3 # Libav 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 LIBAV, 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 Libav."
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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-frei0r enable frei0r video filtering
183 --enable-gnutls enable gnutls [no]
184 --enable-libbs2b enable bs2b DSP library [no]
185 --enable-libcdio enable audio CD grabbing with libcdio
186 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
188 --enable-libdcadec enable DCA decoding via libdcadec [no]
189 --enable-libfaac enable AAC encoding via libfaac [no]
190 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
191 --enable-libfreetype enable libfreetype [no]
192 --enable-libgsm enable GSM de/encoding via libgsm [no]
193 --enable-libilbc enable iLBC de/encoding via libilbc [no]
194 --enable-libmfx enable HW acceleration through libmfx
195 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
196 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
197 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
198 --enable-libopencv enable video filtering via libopencv [no]
199 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
200 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
201 --enable-libopus enable Opus de/encoding via libopus [no]
202 --enable-libpulse enable Pulseaudio input via libpulse [no]
203 --enable-librtmp enable RTMP[E] support via librtmp [no]
204 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
205 --enable-libsnappy enable Snappy compression [no]
206 --enable-libspeex enable Speex de/encoding via libspeex [no]
207 --enable-libtheora enable Theora encoding via libtheora [no]
208 --enable-libtwolame enable MP2 encoding via libtwolame [no]
209 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
210 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
211 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
212 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
213 --enable-libwavpack enable wavpack encoding via libwavpack [no]
214 --enable-libwebp enable WebP encoding via libwebp [no]
215 --enable-libx264 enable H.264 encoding via x264 [no]
216 --enable-libx265 enable HEVC encoding via x265 [no]
217 --enable-libxavs enable AVS encoding via xavs [no]
218 --enable-libxcb enable X11 grabbing using XCB [no]
219 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
220 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
221 --enable-libxvid enable Xvid encoding via xvidcore,
222 native MPEG-4/Xvid encoder exists [no]
223 --enable-mmal enable decoding via MMAL [no]
224 --enable-nvenc enable encoding via NVENC [no]
225 --enable-openssl enable openssl [no]
226 --enable-x11grab enable X11 grabbing (legacy) [no]
227 --enable-zlib enable zlib [autodetect]
230 --arch=ARCH select architecture [$arch]
231 --cpu=CPU select the minimum required CPU (affects
232 instruction selection, may crash on older CPUs)
233 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
234 --enable-cross-compile assume a cross-compiler is used
235 --sysroot=PATH root of cross-build tree
236 --sysinclude=PATH location of cross-build system headers
237 --target-os=OS compiler targets OS [$target_os]
238 --target-exec=CMD command to run executables on target
239 --target-path=DIR path to view of build directory on target
240 --target-samples=DIR path to samples directory on target
241 --toolchain=NAME set tool defaults according to NAME
243 --ar=AR use archive tool AR [$ar_default]
244 --as=AS use assembler AS [$as_default]
245 --cc=CC use C compiler CC [$cc_default]
246 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
247 --ld=LD use linker LD
248 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
249 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
250 --host-cc=HOSTCC use host C compiler HOSTCC
251 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
252 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
253 --host-ld=HOSTLD use host linker HOSTLD
254 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
255 --host-libs=HLIBS use libs HLIBS when linking for host
256 --host-os=OS compiler host OS [$target_os]
257 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
258 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
259 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
260 --extra-libs=ELIBS add ELIBS [$ELIBS]
261 --extra-version=STRING version string suffix []
262 --optflags=OPTFLAGS override optimization-related compiler flags
263 --build-suffix=SUFFIX library name suffix []
264 --enable-pic build position-independent code
265 --enable-thumb compile for Thumb instruction set
266 --enable-lto use link-time optimization
267 --env="ENV=override" override the environment variables
269 Advanced options (experts only):
270 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
271 --disable-symver disable symbol versioning
272 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
273 --disable-safe-bitstream-reader
274 disable buffer boundary checking in bitreaders
275 (faster, but may crash)
276 --enable-memalign-hack emulate memalign, interferes with memory debuggers
277 --enable-sram allow use of on-chip SRAM
279 Optimization options (experts only):
280 --disable-asm disable all assembly optimizations
281 --disable-altivec disable AltiVec optimizations
282 --disable-vsx disable VSX optimizations
283 --disable-power8 disable POWER8 optimizations
284 --disable-amd3dnow disable 3DNow! optimizations
285 --disable-amd3dnowext disable 3DNow! extended optimizations
286 --disable-mmx disable MMX optimizations
287 --disable-mmxext disable MMXEXT optimizations
288 --disable-sse disable SSE optimizations
289 --disable-sse2 disable SSE2 optimizations
290 --disable-sse3 disable SSE3 optimizations
291 --disable-ssse3 disable SSSE3 optimizations
292 --disable-sse4 disable SSE4 optimizations
293 --disable-sse42 disable SSE4.2 optimizations
294 --disable-avx disable AVX optimizations
295 --disable-xop disable XOP optimizations
296 --disable-fma3 disable FMA3 optimizations
297 --disable-fma4 disable FMA4 optimizations
298 --disable-avx2 disable AVX2 optimizations
299 --disable-armv5te disable armv5te optimizations
300 --disable-armv6 disable armv6 optimizations
301 --disable-armv6t2 disable armv6t2 optimizations
302 --disable-vfp disable VFP optimizations
303 --disable-neon disable NEON optimizations
304 --disable-inline-asm disable use of inline assembly
305 --disable-yasm disable use of nasm/yasm assembly
307 Developer options (useful when working on Libav itself):
308 --disable-debug disable debugging symbols
309 --enable-debug=LEVEL set the debug level [$debuglevel]
310 --disable-optimizations disable compiler optimizations
311 --enable-extra-warnings enable more compiler warnings
312 --samples=PATH location of test samples for FATE, if not set use
313 \$LIBAV_SAMPLES at make invocation time.
314 --enable-neon-clobber-test check NEON registers for clobbering (should be
315 used only for debugging purposes)
316 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
317 should be used only for debugging purposes)
318 --enable-random randomly enable/disable components
320 --enable-random=LIST randomly enable/disable specific components or
321 --disable-random=LIST component groups. LIST is a comma-separated list
322 of NAME[:PROB] entries where NAME is a component
323 (group) and PROB the probability associated with
325 --random-seed=VALUE seed value for --enable/disable-random
326 --disable-valgrind-backtrace do not print a backtrace under Valgrind
327 (only applies to --disable-optimizations builds)
329 NOTE: Object files are built at the place where configure is launched.
337 echo "$@" >> $logfile
342 pr -n -t $1 >> $logfile
353 WARNINGS="${WARNINGS}WARNING: $*\n"
360 If you think configure made a mistake, make sure you are using the latest
361 version from Git. If the latest version fails, report the problem to the
362 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
364 if disabled logging; then
366 Rerun configure with logging enabled (do not use --disable-logging), and
367 include the log this produces with your report.
371 Include the log file "$logfile" produced by configure as this will help
378 # Avoid locale weirdness, besides we really just want to translate ASCII.
380 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
384 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
388 echo "$*" | sed 's/["\\]/\\\0/g'
392 v=$(echo "$1" | sed "s/'/'\\\\''/g")
393 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
398 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
405 eval "case $v in $pat) echo $v ;; esac"
413 eval "case $v in $pat) ;; *) echo $v ;; esac"
420 for v; do eval $m; done
426 for v; do echo ${v}${suffix}; done
441 eval : \${$var:=$value}
446 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
452 eval $(sanitize_var_name "$var")='$*'
456 eval echo \$$(sanitize_var_name "$1")
461 eval level=\${${pvar}_level:=0}
462 eval ${pvar}_${level}="\$$pvar"
463 eval ${pvar}_level=$(($level+1))
469 eval level=\${${pvar}_level:-0}
470 test $level = 0 && continue
471 eval level=$(($level-1))
472 eval $pvar="\${${pvar}_${level}}"
473 eval ${pvar}_level=$level
474 eval unset ${pvar}_${level}
496 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
502 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
508 enabled $var && continue
509 eval sel="\$${var}_select"
510 eval sgs="\$${var}_suggest"
514 enable_deep_weak $sgs
526 disabled $var && continue
535 test "${1#!}" = "$1" && op== || op=!=
536 eval test "x\$${1#!}" $op "xyes"
540 test "${1#!}" = "$1" && op== || op=!=
541 eval test "x\$${1#!}" $op "xno"
546 enabled $opt || return 1
552 disabled $opt || return 1
558 enabled $opt && return 0
564 disabled $opt && return 0
571 eval : \${$opt:=\$${opt}_default}
579 [ $var = $value ] && return 0
587 enabled ${cfg}_checking && die "Circular dependency for $cfg."
588 disabled ${cfg}_checking && continue
589 enable ${cfg}_checking
592 eval dep_all="\$${cfg}_deps"
593 eval dep_any="\$${cfg}_deps_any"
594 eval dep_sel="\$${cfg}_select"
595 eval dep_sgs="\$${cfg}_suggest"
596 eval dep_ifa="\$${cfg}_if"
597 eval dep_ifn="\$${cfg}_if_any"
599 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
600 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
601 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
603 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
604 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
605 enabled_all $dep_all || disable $cfg
606 enabled_any $dep_any || disable $cfg
607 disabled_any $dep_sel && disable $cfg
609 if enabled $cfg; then
611 enable_deep_weak $dep_sgs
614 disable ${cfg}_checking
623 for cfg in $allopts; do
624 enabled $cfg || continue
625 eval dep_extralibs="\$${cfg}_extralibs"
626 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
634 map 'eval echo "$v \${$v:-no}"' "$@" |
635 awk "BEGIN { split(\"$files\", files) }
637 c = \"$pfx\" toupper(\$1);
643 if (file ~ /\\.h\$/) {
644 printf(\"#define %s %d\\n\", c, v) >>file;
645 } else if (file ~ /\\.asm\$/) {
646 printf(\"%%define %s %d\\n\", c, v) >>file;
647 } else if (file ~ /\\.mak\$/) {
648 n = -v ? \"\" : \"!\";
649 printf(\"%s%s=yes\\n\", n, c) >>file;
659 enabled $v && printf "%s\n" ${v%$suf};
666 eval "$var=\"\$$var $*\""
672 eval "$var=\"$* \$$var\""
678 for tok in $(eval echo \$$var); do
679 uniq_list="$(filter_out $tok $uniq_list) $tok"
681 eval "$var=\"${uniq_list}\""
689 append CFLAGS $($cflags_filter "$@")
693 append ASFLAGS $($asflags_filter "$@")
697 append LDFLAGS $($ldflags_filter "$@")
701 append LDEXEFLAGS $($ldflags_filter "$@")
705 append STRIPFLAGS "$@"
709 prepend extralibs $($ldflags_filter "$@")
713 append host_cppflags "$@"
717 append host_cflags $($host_cflags_filter "$@")
721 append host_ldflags $($host_ldflags_filter "$@")
725 append compat_objs $1
727 map 'add_cppflags -D$v' "$@"
732 "$@" >> $logfile 2>&1
736 eval printf '%s\\n' $CC_O
740 eval printf '%s\\n' $CC_E
747 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
754 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
758 eval printf '%s\\n' $AS_O
765 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
769 log check_inline_asm "$@"
774 check_cc "$@" <<EOF && enable $name
775 void foo(void){ __asm__ volatile($code); }
781 check_inline_asm ${1}_inline "\"$2\""
782 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
790 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
794 eval printf '%s\\n' $LD_O
799 flags=$(filter_out '-l*' "$@")
800 libs=$(filter '-l*' "$@")
801 check_cc $($cflags_filter $flags) || return
802 flags=$($ldflags_filter $flags)
803 libs=$($ldflags_filter $libs)
804 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
809 test "${hdr%.h}" = "${hdr}" &&
810 echo "#include $hdr" ||
811 echo "#include <$hdr>"
821 for hdr in $headers; do
824 echo "int main(void) { $code; return 0; }"
825 } | check_$check "$@"
829 log check_cppflags "$@"
830 check_cc "$@" <<EOF && append CPPFLAGS "$@"
837 set -- $($cflags_filter "$@")
844 log check_cflags "$@"
845 test_cflags "$@" && add_cflags "$@"
849 log test_ldflags "$@"
851 int main(void){ return 0; }
856 log check_ldflags "$@"
857 test_ldflags "$@" && add_ldflags "$@"
861 log test_stripflags "$@"
862 # call check_cc to get a fresh TMPO
864 int main(void) { return 0; }
866 check_cmd $strip $STRIPFLAGS "$@" $TMPO
870 log check_stripflags "$@"
871 test_stripflags "$@" && add_stripflags "$@"
875 log check_header "$@"
879 check_cpp "$@" <<EOF && enable_safe $header
890 check_ld "$@" <<EOF && enable $func
892 int main(void){ $func(); }
897 log check_mathfunc "$@"
901 test $narg = 2 && args="f, g" || args="f"
903 check_ld "$@" <<EOF && enable $func
905 float foo(float f, float g) { return $func($args); }
906 int main(void){ return 0; }
910 check_func_headers(){
911 log check_func_headers "$@"
916 for hdr in $headers; do
919 for func in $funcs; do
920 echo "long check_$func(void) { return (long) $func; }"
922 echo "int main(void) { return 0; }"
923 } | check_ld "$@" && enable $funcs && enable_safe $headers
926 check_cpp_condition(){
927 log check_cpp_condition "$@"
934 #error "unsatisfied condition: $condition"
944 check_header $header && check_func $func "$@" && add_extralibs "$@"
952 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
956 log check_pkg_config "$@"
961 check_cmd $pkg_config --exists --print-errors $pkg || return
962 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
963 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
964 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
965 set_safe "${pkg}_cflags" $pkg_cflags &&
966 set_safe "${pkg}_libs" $pkg_libs
970 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
976 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
977 # are safe but may not be available everywhere. Thus we use
978 # raise(SIGTERM) instead. The check is run in a subshell so we
979 # can redirect the "Terminated" message from the shell. SIGBUS
980 # is not defined by standard C so it is used conditionally.
982 (check_exec "$@") >> $logfile 2>&1 <<EOF
984 static void sighandler(int sig){
990 int (*func_ptr)(void) = foo;
992 signal(SIGILL, sighandler);
993 signal(SIGFPE, sighandler);
994 signal(SIGSEGV, sighandler);
996 signal(SIGBUS, sighandler);
1008 disable_safe "$type"
1009 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1013 log check_struct "$@"
1018 disable_safe "${struct}_${member}"
1019 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1020 enable_safe "${struct}_${member}"
1024 log check_builtin "$@"
1030 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1033 check_compile_assert(){
1034 log check_compile_assert "$@"
1040 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1048 check_lib $header $func "$@" || die "ERROR: $name not found"
1056 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1059 require_pkg_config(){
1061 check_pkg_config "$@" || die "ERROR: $pkg not found"
1062 add_cflags $(get_safe "${pkg}_cflags")
1063 add_extralibs $(get_safe "${pkg}_libs")
1067 eval printf '%s\\n' $HOSTCC_E
1071 eval printf '%s\\n' $HOSTCC_O
1075 log check_host_cc "$@"
1078 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1082 log check_host_cpp "$@"
1085 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1088 check_host_cppflags(){
1089 log check_host_cppflags "$@"
1090 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1095 check_host_cflags(){
1096 log check_host_cflags "$@"
1097 set -- $($host_cflags_filter "$@")
1098 check_host_cc "$@" <<EOF && append host_cflags "$@"
1103 check_host_cpp_condition(){
1104 log check_host_cpp_condition "$@"
1108 check_host_cpp "$@" <<EOF
1111 #error "unsatisfied condition: $condition"
1119 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1123 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1124 mkdir -p "$(dirname $2)"
1128 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1129 # system-dependent things.
1147 filter_audio_example
1151 transcode_aac_example
1154 EXTERNAL_LIBRARY_LIST="
1208 safe_bitstream_reader
1262 $EXTERNAL_LIBRARY_LIST
1327 ARCH_EXT_LIST_X86_SIMD="
1355 $ARCH_EXT_LIST_X86_SIMD
1384 sync_val_compare_and_swap
1402 cdio_paranoia_paranoia_h
1403 dev_bktr_ioctl_bt848_h
1404 dev_bktr_ioctl_meteor_h
1406 dev_video_bktr_ioctl_bt848_h
1407 dev_video_meteor_ioctl_meteor_h
1415 machine_ioctl_bt848_h
1416 machine_ioctl_meteor_h
1480 GetProcessAffinityMask
1481 GetProcessMemoryInfo
1485 GetSystemTimeAsFileTime
1490 jack_port_get_latency_range
1502 SetConsoleTextAttribute
1513 TOOLCHAIN_FEATURES="
1534 CONDITION_VARIABLE_Ptr
1537 struct_group_source_req
1538 struct_ip_mreq_source
1541 struct_rusage_ru_maxrss
1543 struct_sockaddr_sa_len
1544 struct_sockaddr_storage
1545 struct_v4l2_frmivalenum_discrete
1550 $(add_suffix _external $ARCH_EXT_LIST)
1551 $(add_suffix _inline $ARCH_EXT_LIST)
1578 # options emitted with CONFIG_ prefix but not available on the command line
1715 # code dependency declarations
1717 # architecture extensions
1722 armv8_deps="aarch64"
1723 neon_deps_any="aarch64 arm"
1724 intrinsics_neon_deps="neon"
1725 vfp_deps_any="aarch64 arm"
1728 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1736 x86_64_select="i686"
1737 x86_64_suggest="fast_cmov"
1740 amd3dnowext_deps="amd3dnow"
1756 mmx_external_deps="yasm"
1757 mmx_inline_deps="inline_asm"
1758 mmx_suggest="mmx_external mmx_inline"
1760 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1761 eval dep=\$${ext}_deps
1762 eval ${ext}_external_deps='"${dep}_external"'
1763 eval ${ext}_inline_deps='"${dep}_inline"'
1764 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1767 aligned_stack_if_any="aarch64 ppc x86"
1768 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1769 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1770 fast_unaligned_if_any="aarch64 ppc x86"
1771 simd_align_16_if_any="altivec neon sse"
1773 # system capabilities
1774 symver_if_any="symver_asm_label symver_gnu_asm"
1775 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1778 atomics_gcc_if="sync_val_compare_and_swap"
1779 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1780 atomics_win32_if="MemoryBarrier"
1781 atomics_native_if_any="$ATOMICS_LIST"
1782 w32threads_deps="atomics_native"
1783 threads_if_any="$THREADS_LIST"
1787 error_resilience_select="me_cmp"
1788 faandct_deps="faan fdctdsp"
1789 faanidct_deps="faan idctdsp"
1790 intrax8_select="error_resilience"
1793 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1794 mpeg_er_select="error_resilience"
1795 mpegaudio_select="mpegaudiodsp"
1796 mpegaudiodsp_select="dct"
1797 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp videodsp"
1798 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1799 nvenc_deps_any="dlopen LoadLibrary"
1800 nvenc_extralibs='$ldl'
1804 # decoders / encoders
1805 aac_decoder_select="imdct15 mdct sinewin"
1806 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1807 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1808 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1809 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1810 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1811 adpcm_g722_decoder_select="g722dsp"
1812 adpcm_g722_encoder_select="g722dsp"
1813 aic_decoder_select="golomb idctdsp"
1814 alac_encoder_select="lpc"
1815 als_decoder_select="bswapdsp"
1816 amrnb_decoder_select="lsp"
1817 amrwb_decoder_select="lsp"
1818 amv_decoder_select="sp5x_decoder"
1819 ape_decoder_select="bswapdsp"
1820 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1821 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1822 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1823 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1824 atrac1_decoder_select="mdct sinewin"
1825 atrac3_decoder_select="mdct"
1826 atrac3p_decoder_select="mdct sinewin"
1827 bink_decoder_select="blockdsp hpeldsp"
1828 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1829 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1830 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1831 cllc_decoder_select="bswapdsp"
1832 comfortnoise_encoder_select="lpc"
1833 cook_decoder_select="audiodsp mdct sinewin"
1834 cscd_decoder_select="lzo"
1835 cscd_decoder_suggest="zlib"
1836 dca_decoder_select="fmtconvert mdct"
1837 dds_decoder_select="texturedsp"
1838 dnxhd_decoder_select="blockdsp idctdsp"
1839 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1840 dvvideo_decoder_select="dvprofile idctdsp"
1841 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1842 dxa_decoder_deps="zlib"
1843 eac3_decoder_select="ac3_decoder"
1844 eac3_encoder_select="ac3_encoder"
1845 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1846 eatgq_decoder_select="aandcttables idctdsp"
1847 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
1848 exr_decoder_deps="zlib"
1849 ffv1_decoder_select="golomb rangecoder"
1850 ffv1_encoder_select="rangecoder"
1851 ffvhuff_decoder_select="huffyuv_decoder"
1852 ffvhuff_encoder_select="huffyuv_encoder"
1853 fic_decoder_select="golomb"
1854 flac_decoder_select="flacdsp golomb"
1855 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1856 flashsv_decoder_deps="zlib"
1857 flashsv_encoder_deps="zlib"
1858 flashsv2_decoder_deps="zlib"
1859 flv_decoder_select="h263_decoder"
1860 flv_encoder_select="h263_encoder"
1861 fourxm_decoder_select="blockdsp bswapdsp"
1862 fraps_decoder_select="bswapdsp huffman"
1863 g2m_decoder_deps="zlib"
1864 g2m_decoder_select="blockdsp idctdsp jpegtables"
1865 h261_decoder_select="mpeg_er mpegvideo"
1866 h261_encoder_select="aandcttables mpegvideoenc"
1867 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1868 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1869 h263i_decoder_select="h263_decoder"
1870 h263p_encoder_select="h263_encoder"
1871 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
1872 h264_decoder_suggest="error_resilience"
1873 h264_nvenc_encoder_deps="nvenc"
1874 h264_qsv_decoder_deps="libmfx"
1875 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1876 h264_qsv_encoder_deps="libmfx"
1877 h264_qsv_encoder_select="qsvenc"
1878 hap_decoder_select="snappy texturedsp"
1879 hap_encoder_deps="libsnappy"
1880 hap_encoder_select="texturedspenc"
1881 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1882 hevc_nvenc_encoder_deps="nvenc"
1883 hevc_qsv_encoder_deps="libmfx"
1884 hevc_qsv_encoder_select="qsvenc"
1885 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1886 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1887 iac_decoder_select="imc_decoder"
1888 imc_decoder_select="bswapdsp fft mdct sinewin"
1889 indeo3_decoder_select="hpeldsp"
1890 indeo4_decoder_select="ividsp"
1891 indeo5_decoder_select="ividsp"
1892 interplay_video_decoder_select="hpeldsp"
1893 jpegls_decoder_select="golomb mjpeg_decoder"
1894 jpegls_encoder_select="golomb"
1895 jv_decoder_select="blockdsp"
1896 lagarith_decoder_select="huffyuvdsp"
1897 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1898 loco_decoder_select="golomb"
1899 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1900 metasound_decoder_select="lsp mdct sinewin"
1901 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1902 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1903 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1904 mjpegb_decoder_select="mjpeg_decoder"
1905 mlp_decoder_select="mlp_parser"
1906 motionpixels_decoder_select="bswapdsp"
1907 mp1_decoder_select="mpegaudio"
1908 mp1float_decoder_select="mpegaudio"
1909 mp2_decoder_select="mpegaudio"
1910 mp2float_decoder_select="mpegaudio"
1911 mp3_decoder_select="mpegaudio"
1912 mp3adu_decoder_select="mpegaudio"
1913 mp3adufloat_decoder_select="mpegaudio"
1914 mp3float_decoder_select="mpegaudio"
1915 mp3on4_decoder_select="mpegaudio"
1916 mp3on4float_decoder_select="mpegaudio"
1917 mpc7_decoder_select="bswapdsp mpegaudiodsp"
1918 mpc8_decoder_select="mpegaudiodsp"
1919 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1920 mpeg_xvmc_decoder_select="mpeg2video_decoder"
1921 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
1922 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1923 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
1924 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1925 mpeg2_qsv_decoder_deps="libmfx"
1926 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
1927 mpeg2_qsv_encoder_deps="libmfx"
1928 mpeg2_qsv_encoder_select="qsvenc"
1929 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1930 mpeg4_encoder_select="h263_encoder"
1931 msa1_decoder_select="mss34dsp"
1932 msmpeg4v1_decoder_select="h263_decoder"
1933 msmpeg4v2_decoder_select="h263_decoder"
1934 msmpeg4v2_encoder_select="h263_encoder"
1935 msmpeg4v3_decoder_select="h263_decoder"
1936 msmpeg4v3_encoder_select="h263_encoder"
1937 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
1938 mts2_decoder_select="mss34dsp"
1939 mxpeg_decoder_select="mjpeg_decoder"
1940 nellymoser_decoder_select="mdct sinewin"
1941 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
1942 nuv_decoder_select="idctdsp lzo"
1943 on2avc_decoder_select="mdct"
1944 opus_decoder_deps="avresample"
1945 opus_decoder_select="imdct15"
1946 png_decoder_deps="zlib"
1947 png_encoder_deps="zlib"
1948 png_encoder_select="huffyuvencdsp"
1949 prores_decoder_select="idctdsp"
1950 prores_encoder_select="fdctdsp"
1951 qcelp_decoder_select="lsp"
1952 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1953 ra_144_encoder_select="audio_frame_queue lpc"
1954 ralf_decoder_select="golomb"
1955 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1956 rv10_encoder_select="h263_encoder"
1957 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
1958 rv20_encoder_select="h263_encoder"
1959 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1960 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
1961 shorten_decoder_select="golomb"
1962 sipr_decoder_select="lsp"
1963 sp5x_decoder_select="mjpeg_decoder"
1964 svq1_decoder_select="hpeldsp"
1965 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
1966 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
1967 svq3_decoder_suggest="zlib"
1968 tak_decoder_select="audiodsp"
1969 tdsc_decoder_deps="zlib"
1970 tdsc_decoder_select="mjpeg_decoder"
1971 theora_decoder_select="vp3_decoder"
1972 thp_decoder_select="mjpeg_decoder"
1973 tiff_decoder_suggest="zlib"
1974 tiff_encoder_suggest="zlib"
1975 truehd_decoder_select="mlp_decoder"
1976 truemotion2_decoder_select="bswapdsp"
1977 truespeech_decoder_select="bswapdsp"
1978 tscc_decoder_deps="zlib"
1979 txd_decoder_select="texturedsp"
1980 twinvq_decoder_select="mdct lsp sinewin"
1981 utvideo_decoder_select="bswapdsp"
1982 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
1983 vble_decoder_select="huffyuvdsp"
1984 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
1985 vc1image_decoder_select="vc1_decoder"
1986 vorbis_decoder_select="mdct"
1987 vorbis_encoder_select="mdct"
1988 vp3_decoder_select="hpeldsp vp3dsp videodsp"
1989 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
1990 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
1991 vp6a_decoder_select="vp6_decoder"
1992 vp6f_decoder_select="vp6_decoder"
1993 vp7_decoder_select="h264pred videodsp vp8dsp"
1994 vp8_decoder_select="h264pred videodsp vp8dsp"
1995 vp9_decoder_select="videodsp"
1996 webp_decoder_select="vp8_decoder"
1997 wmapro_decoder_select="mdct sinewin wma_freqs"
1998 wmav1_decoder_select="mdct sinewin wma_freqs"
1999 wmav1_encoder_select="mdct sinewin wma_freqs"
2000 wmav2_decoder_select="mdct sinewin wma_freqs"
2001 wmav2_encoder_select="mdct sinewin wma_freqs"
2002 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2003 wmv1_decoder_select="h263_decoder"
2004 wmv1_encoder_select="h263_encoder"
2005 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2006 wmv2_encoder_select="h263_encoder wmv2dsp"
2007 wmv3_decoder_select="vc1_decoder"
2008 wmv3image_decoder_select="wmv3_decoder"
2009 zerocodec_decoder_deps="zlib"
2010 zlib_decoder_deps="zlib"
2011 zlib_encoder_deps="zlib"
2012 zmbv_decoder_deps="zlib"
2013 zmbv_encoder_deps="zlib"
2015 # hardware accelerators
2016 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2017 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2018 vaapi_deps="va_va_h"
2019 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2020 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2021 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2023 h263_vaapi_hwaccel_deps="vaapi"
2024 h263_vaapi_hwaccel_select="h263_decoder"
2025 h263_vdpau_hwaccel_deps="vdpau"
2026 h263_vdpau_hwaccel_select="h263_decoder"
2027 h264_d3d11va_hwaccel_deps="d3d11va"
2028 h264_d3d11va_hwaccel_select="h264_decoder"
2029 h264_dxva2_hwaccel_deps="dxva2"
2030 h264_dxva2_hwaccel_select="h264_decoder"
2031 h264_mmal_decoder_deps="mmal"
2032 h264_mmal_hwaccel_deps="mmal"
2033 h264_mmal_decoder_select="h264_decoder"
2034 h264_mmal_encoder_deps="mmal"
2035 h264_qsv_hwaccel_deps="libmfx"
2036 h264_vaapi_hwaccel_deps="vaapi"
2037 h264_vaapi_hwaccel_select="h264_decoder"
2038 h264_vda_hwaccel_deps="vda"
2039 h264_vda_hwaccel_select="h264_decoder"
2040 h264_vda_old_hwaccel_deps="vda"
2041 h264_vda_old_hwaccel_select="h264_decoder"
2042 h264_vdpau_hwaccel_deps="vdpau"
2043 h264_vdpau_hwaccel_select="h264_decoder"
2044 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2045 hevc_d3d11va_hwaccel_select="hevc_decoder"
2046 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2047 hevc_dxva2_hwaccel_select="hevc_decoder"
2048 mpeg1_vdpau_hwaccel_deps="vdpau"
2049 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2050 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2051 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2052 mpeg2_dxva2_hwaccel_deps="dxva2"
2053 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2054 mpeg2_qsv_hwaccel_deps="libmfx"
2055 mpeg2_vaapi_hwaccel_deps="vaapi"
2056 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2057 mpeg2_vdpau_hwaccel_deps="vdpau"
2058 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2059 mpeg4_vaapi_hwaccel_deps="vaapi"
2060 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2061 mpeg4_vdpau_hwaccel_deps="vdpau"
2062 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2063 vc1_d3d11va_hwaccel_deps="d3d11va"
2064 vc1_d3d11va_hwaccel_select="vc1_decoder"
2065 vc1_dxva2_hwaccel_deps="dxva2"
2066 vc1_dxva2_hwaccel_select="vc1_decoder"
2067 vc1_vaapi_hwaccel_deps="vaapi"
2068 vc1_vaapi_hwaccel_select="vc1_decoder"
2069 vc1_vdpau_hwaccel_deps="vdpau"
2070 vc1_vdpau_hwaccel_select="vc1_decoder"
2071 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2072 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2073 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2074 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2077 h264_parser_select="h264_decoder"
2078 hevc_parser_select="golomb"
2079 mpegvideo_parser_select="mpegvideo"
2080 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2081 vc1_parser_select="mpegvideo startcode vc1_decoder"
2084 mjpeg2jpeg_bsf_select="jpegtables"
2086 # external libraries
2087 libdcadec_decoder_deps="libdcadec"
2088 libfaac_encoder_deps="libfaac"
2089 libfaac_encoder_select="audio_frame_queue"
2090 libfdk_aac_decoder_deps="libfdk_aac"
2091 libfdk_aac_encoder_deps="libfdk_aac"
2092 libfdk_aac_encoder_select="audio_frame_queue"
2093 libgsm_decoder_deps="libgsm"
2094 libgsm_encoder_deps="libgsm"
2095 libgsm_ms_decoder_deps="libgsm"
2096 libgsm_ms_encoder_deps="libgsm"
2097 libilbc_decoder_deps="libilbc"
2098 libilbc_encoder_deps="libilbc"
2099 libmp3lame_encoder_deps="libmp3lame"
2100 libmp3lame_encoder_select="audio_frame_queue"
2101 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2102 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2103 libopencore_amrnb_encoder_select="audio_frame_queue"
2104 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2105 libopenh264_encoder_deps="libopenh264"
2106 libopenjpeg_decoder_deps="libopenjpeg"
2107 libopenjpeg_encoder_deps="libopenjpeg"
2108 libopus_decoder_deps="libopus"
2109 libopus_encoder_deps="libopus"
2110 libopus_encoder_select="audio_frame_queue"
2111 libschroedinger_decoder_deps="libschroedinger"
2112 libschroedinger_encoder_deps="libschroedinger"
2113 libspeex_decoder_deps="libspeex"
2114 libspeex_encoder_deps="libspeex"
2115 libspeex_encoder_select="audio_frame_queue"
2116 libtheora_encoder_deps="libtheora"
2117 libtwolame_encoder_deps="libtwolame"
2118 libvo_aacenc_encoder_deps="libvo_aacenc"
2119 libvo_aacenc_encoder_select="audio_frame_queue"
2120 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2121 libvorbis_encoder_deps="libvorbis"
2122 libvorbis_encoder_select="audio_frame_queue"
2123 libvpx_vp8_decoder_deps="libvpx"
2124 libvpx_vp8_encoder_deps="libvpx"
2125 libvpx_vp9_decoder_deps="libvpx"
2126 libvpx_vp9_encoder_deps="libvpx"
2127 libwavpack_encoder_deps="libwavpack"
2128 libwebp_encoder_deps="libwebp"
2129 libx262_encoder_deps="libx262"
2130 libx264_encoder_deps="libx264"
2131 libx265_encoder_deps="libx265"
2132 libxavs_encoder_deps="libxavs"
2133 libxvid_encoder_deps="libxvid"
2136 ac3_demuxer_select="ac3_parser"
2137 asf_demuxer_select="riffdec"
2138 asf_muxer_select="riffenc"
2139 asf_stream_muxer_select="asf_muxer"
2140 avi_demuxer_select="riffdec"
2141 avi_muxer_select="riffenc"
2142 avisynth_demuxer_deps="avisynth"
2143 avisynth_demuxer_select="riffdec"
2144 caf_demuxer_select="riffdec"
2145 dash_muxer_select="mp4_muxer"
2146 dirac_demuxer_select="dirac_parser"
2147 dv_demuxer_select="dvprofile"
2148 dv_muxer_select="dvprofile"
2149 dxa_demuxer_select="riffdec"
2150 eac3_demuxer_select="ac3_parser"
2151 f4v_muxer_select="mov_muxer"
2152 flac_demuxer_select="flac_parser"
2153 hds_muxer_select="flv_muxer"
2154 hls_muxer_select="mpegts_muxer"
2155 ipod_muxer_select="mov_muxer"
2156 ismv_muxer_select="mov_muxer"
2157 matroska_audio_muxer_select="matroska_muxer"
2158 matroska_demuxer_select="riffdec"
2159 matroska_demuxer_suggest="bzlib lzo zlib"
2160 matroska_muxer_select="riffenc"
2161 mmf_muxer_select="riffenc"
2162 mov_demuxer_select="riffdec"
2163 mov_demuxer_suggest="zlib"
2164 mov_muxer_select="riffenc rtpenc_chain"
2165 mp3_demuxer_select="mpegaudio_parser"
2166 mp4_muxer_select="mov_muxer"
2167 mpegts_muxer_select="adts_muxer latm_muxer"
2168 mpegtsraw_demuxer_select="mpegts_demuxer"
2169 mxf_d10_muxer_select="mxf_muxer"
2170 nut_muxer_select="riffenc"
2171 nuv_demuxer_select="riffdec"
2172 oga_muxer_select="ogg_muxer"
2173 ogg_demuxer_select="golomb"
2174 opus_muxer_select="ogg_muxer"
2175 psp_muxer_select="mov_muxer"
2176 rtp_demuxer_select="sdp_demuxer"
2177 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2178 rtsp_demuxer_select="http_protocol rtpdec"
2179 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2180 sap_demuxer_select="sdp_demuxer"
2181 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2182 sdp_demuxer_select="rtpdec"
2183 smoothstreaming_muxer_select="ismv_muxer"
2184 spdif_muxer_select="aac_parser"
2185 spx_muxer_select="ogg_muxer"
2186 tak_demuxer_select="tak_parser"
2187 tg2_muxer_select="mov_muxer"
2188 tgp_muxer_select="mov_muxer"
2189 w64_demuxer_select="wav_demuxer"
2190 wav_demuxer_select="riffdec"
2191 wav_muxer_select="riffenc"
2192 webm_muxer_select="riffenc"
2193 wtv_demuxer_select="riffdec"
2194 xmv_demuxer_select="riffdec"
2195 xwma_demuxer_select="riffdec"
2198 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2199 alsa_outdev_deps="alsa_asoundlib_h"
2200 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2201 dv1394_indev_deps="dv1394"
2202 dv1394_indev_select="dv_demuxer"
2203 fbdev_indev_deps="linux_fb_h"
2204 jack_indev_deps="jack_jack_h pthreads"
2205 libcdio_indev_deps="libcdio"
2206 libdc1394_indev_deps="libdc1394"
2207 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2208 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2209 pulse_indev_deps="libpulse"
2210 sndio_indev_deps="sndio_h"
2211 sndio_outdev_deps="sndio_h"
2212 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2213 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2214 vfwcap_indev_extralibs="-lavicap32"
2215 x11grab_indev_deps="x11grab"
2216 x11grab_xcb_indev_deps="libxcb"
2219 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2220 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2221 ffrtmpcrypt_protocol_select="tcp_protocol"
2222 ffrtmphttp_protocol_deps="!librtmp_protocol"
2223 ffrtmphttp_protocol_select="http_protocol"
2224 gopher_protocol_select="network"
2225 http_protocol_select="tcp_protocol"
2226 httpproxy_protocol_select="tcp_protocol"
2227 https_protocol_select="tls_protocol"
2228 icecast_protocol_select="http_protocol"
2229 librtmp_protocol_deps="librtmp"
2230 librtmpe_protocol_deps="librtmp"
2231 librtmps_protocol_deps="librtmp"
2232 librtmpt_protocol_deps="librtmp"
2233 librtmpte_protocol_deps="librtmp"
2234 mmsh_protocol_select="http_protocol"
2235 mmst_protocol_select="network"
2236 rtmp_protocol_deps="!librtmp_protocol"
2237 rtmp_protocol_select="tcp_protocol"
2238 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2239 rtmps_protocol_deps="!librtmp_protocol"
2240 rtmps_protocol_select="tls_protocol"
2241 rtmpt_protocol_select="ffrtmphttp_protocol"
2242 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2243 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2244 rtp_protocol_select="udp_protocol"
2245 sctp_protocol_deps="struct_sctp_event_subscribe"
2246 sctp_protocol_select="network"
2247 srtp_protocol_select="rtp_protocol"
2248 tcp_protocol_select="network"
2249 tls_gnutls_protocol_deps="gnutls"
2250 tls_gnutls_protocol_select="tcp_protocol"
2251 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2252 tls_openssl_protocol_select="tcp_protocol"
2253 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2254 udp_protocol_select="network"
2255 unix_protocol_deps="sys_un_h"
2256 unix_protocol_select="network"
2259 blackframe_filter_deps="gpl"
2260 boxblur_filter_deps="gpl"
2261 bs2b_filter_deps="libbs2b"
2262 cropdetect_filter_deps="gpl"
2263 delogo_filter_deps="gpl"
2264 drawtext_filter_deps="libfreetype"
2265 frei0r_filter_deps="frei0r dlopen"
2266 frei0r_filter_extralibs='$ldl'
2267 frei0r_src_filter_deps="frei0r dlopen"
2268 frei0r_src_filter_extralibs='$ldl'
2269 hqdn3d_filter_deps="gpl"
2270 interlace_filter_deps="gpl"
2271 ocv_filter_deps="libopencv"
2272 resample_filter_deps="avresample"
2273 scale_filter_deps="swscale"
2276 avcodec_example_deps="avcodec avutil"
2277 filter_audio_example_deps="avfilter avutil"
2278 metadata_example_deps="avformat avutil"
2279 output_example_deps="avcodec avformat avutil swscale"
2280 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2281 transcode_aac_example_deps="avcodec avformat avresample"
2283 # libraries, in linking order
2284 avcodec_deps="avutil"
2285 avdevice_deps="avformat avcodec avutil"
2286 avfilter_deps="avutil"
2287 avformat_deps="avcodec avutil"
2288 avresample_deps="avutil"
2289 swscale_deps="avutil"
2292 avconv_deps="avcodec avfilter avformat avresample swscale"
2293 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2294 fps_filter null_filter resample_filter scale_filter
2295 setpts_filter trim_filter"
2296 avplay_deps="avcodec avformat avresample swscale sdl"
2297 avplay_libs='$sdl_libs'
2298 avplay_select="rdft transpose_filter hflip_filter vflip_filter"
2299 avprobe_deps="avcodec avformat"
2303 texi2html_deps="doc"
2305 # default parameters
2307 logfile="config.log"
2309 # installation paths
2310 prefix_default="/usr/local"
2311 bindir_default='${prefix}/bin'
2312 datadir_default='${prefix}/share/avconv'
2313 docdir_default='${prefix}/share/doc/libav'
2314 incdir_default='${prefix}/include'
2315 libdir_default='${prefix}/lib'
2316 mandir_default='${prefix}/share/man'
2317 shlibdir_default="$libdir_default"
2322 host_cc_default="gcc"
2327 pkg_config_default=pkg-config
2333 arch_default=$(uname -m)
2338 target_os_default=$(tolower $(uname -s))
2339 host_os=$target_os_default
2341 # configurable options
2342 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2347 enable faan faandct faanidct
2348 enable optimizations
2349 enable safe_bitstream_reader
2351 enable swscale_alpha
2352 enable valgrind_backtrace
2354 # By default, enable only those hwaccels that have no external dependencies.
2355 enable d3d11va dxva2 vda vdpau
2358 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2361 FULLNAME='$(NAME)$(BUILDSUF)'
2362 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2365 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2366 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2367 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2368 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2369 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2370 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2390 host_cflags_filter=echo
2391 host_ldflags_filter=echo
2393 target_path='$(CURDIR)'
2395 # since the object filename is not given with the -MM flag, the compiler
2396 # is only able to print the basename, and we must add the path ourselves
2397 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2401 if test -f configure; then
2404 source_path=$(cd $(dirname "$0"); pwd)
2405 echo "$source_path" | grep -q '[[:blank:]]' &&
2406 die "Out of tree builds are impossible with whitespace in source path."
2407 test -e "$source_path/config.h" &&
2408 die "Out of tree builds are impossible with config.h in source dir."
2415 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2421 file=$source_path/$3
2422 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2425 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2426 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2427 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2428 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2429 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
2430 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2431 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2432 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2433 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2434 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2435 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2451 for n in $COMPONENT_LIST; do
2452 v=$(toupper ${n%s})_LIST
2454 eval ${n}_if_any="\$$v"
2457 enable $ARCH_EXT_LIST
2460 echo "Unknown option \"$1\"."
2461 echo "See $0 --help for available options."
2466 cat | tr ' ' '\n' | sort | pr -r -3 -t
2472 echo $* | sed s/$suffix//g | print_3_columns
2484 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2485 echo "prob ${prob:-0.5}"
2493 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2494 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2503 --extra-ldexeflags=*)
2504 add_ldexeflags $optval
2507 add_extralibs $optval
2510 disable $INDEV_LIST $OUTDEV_LIST
2513 debuglevel="$optval"
2516 disable $PROGRAM_LIST
2518 --disable-everything)
2519 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2522 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2523 disable $LIBRARY_LIST $PROGRAM_LIST doc
2525 --enable-random|--disable-random)
2526 action=${opt%%-random}
2527 do_random ${action#--} $COMPONENT_LIST
2529 --enable-random=*|--disable-random=*)
2530 action=${opt%%-random=*}
2531 do_random ${action#--} $optval
2533 --enable-*=*|--disable-*=*)
2534 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2535 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2536 eval list=\$$(toupper $thing)_LIST
2537 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2538 $action $(filter "$name" $list)
2540 --enable-avserver|--disable-avserver*)
2541 warn "avserver has been removed, the ${opt} option is only"\
2542 "provided for compatibility and will be removed in the future"
2544 --enable-?*|--disable-?*)
2545 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2546 if is_in $option $COMPONENT_LIST; then
2547 test $action = disable && action=unset
2548 eval $action \$$(toupper ${option%s})_LIST
2549 elif is_in $option $CMDLINE_SELECT; then
2556 NAME="${opt#--list-}"
2557 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2559 eval show_list $NAME \$$(toupper $NAME)_LIST
2561 --help|-h) show_help
2564 optname="${opt%%=*}"
2565 optname="${optname#--}"
2566 optname=$(echo "$optname" | sed 's/-/_/g')
2567 if is_in $optname $CMDLINE_SET; then
2568 eval $optname='$optval'
2569 elif is_in $optname $CMDLINE_APPEND; then
2570 append $optname "$optval"
2582 disabled logging && logfile=/dev/null
2584 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2587 case "$toolchain" in
2590 add_cflags -fsanitize=address
2591 add_ldflags -fsanitize=address
2595 add_cflags -fsanitize=thread -pie
2596 add_ldflags -fsanitize=thread -pie
2600 add_cflags -fsanitize=undefined -O1
2601 add_ldflags -fsanitize=undefined
2605 add_cflags -fsanitize=address
2606 add_ldflags -fsanitize=address
2610 add_cflags -fsanitize=thread -pie -fPIC
2611 add_ldflags -fsanitize=thread -pie -fPIC
2615 add_cflags -fsanitize=undefined
2616 add_ldflags -fsanitize=undefined
2619 target_exec_default="valgrind"
2620 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2623 target_exec_default="valgrind"
2624 target_exec_args="--track-origins=yes --leak-check=full"
2627 # Check whether the current MSVC version needs the C99 converter.
2628 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2629 # support enough of C99 to build libav. Default to the new
2630 # behaviour if the regexp was unable to match anything, since this
2631 # successfully parses the version number of existing supported
2632 # versions that require the converter (MSVC 2010 and 2012).
2633 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2634 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2637 cc_default="c99wrap cl"
2639 ld_default="$source_path/compat/windows/mslink"
2640 nm_default="dumpbin -symbols"
2642 target_os_default="win32"
2643 # Use a relative path for TMPDIR. This makes sure all the
2644 # ffconf temp files are written with a relative path, avoiding
2645 # issues with msys/win32 path conversion for MSVC parameters
2646 # such as -Fo<file> or -out:<file>.
2652 nm_default="dumpbin -symbols"
2654 target_os_default="win32"
2658 add_cflags -fprofile-arcs -ftest-coverage
2659 add_ldflags -fprofile-arcs -ftest-coverage
2662 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2663 add_cflags -fno-strict-overflow -fstack-protector-all
2664 add_ldflags -Wl,-z,relro -Wl,-z,now
2667 die "Unknown toolchain $toolchain"
2671 test -n "$cross_prefix" && enable cross_compile
2673 if enabled cross_compile; then
2674 test -n "$arch" && test -n "$target_os" ||
2675 die "Must specify target arch and OS when cross-compiling"
2678 ar_default="${cross_prefix}${ar_default}"
2679 cc_default="${cross_prefix}${cc_default}"
2680 nm_default="${cross_prefix}${nm_default}"
2681 pkg_config_default="${cross_prefix}${pkg_config_default}"
2682 ranlib="${cross_prefix}${ranlib}"
2683 strip="${cross_prefix}${strip}"
2685 sysinclude_default="${sysroot}/usr/include"
2687 set_default arch cc pkg_config sysinclude target_exec target_os
2688 enabled cross_compile || host_cc_default=$cc
2691 if ! $pkg_config --version >/dev/null 2>&1; then
2692 warn "$pkg_config not found, library detection may fail."
2698 mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2702 EXESUF=$(exesuf $target_os)
2703 HOSTEXESUF=$(exesuf $host_os)
2705 # set temporary file name
2706 : ${TMPDIR:=$TEMPDIR}
2710 if ! check_cmd mktemp -u XXXXXX; then
2711 # simple replacement for missing mktemp
2712 # NOT SAFE FOR GENERAL USE
2714 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2719 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2720 (set -C; exec > $tmp) 2>/dev/null ||
2721 die "Unable to create temporary file in $TMPDIR."
2722 append TMPFILES $tmp
2726 trap 'rm -f -- $TMPFILES' EXIT
2730 tmpfile TMPE $EXESUF
2741 # make sure we can execute files in $TMPDIR
2742 cat > $TMPSH 2>> $logfile <<EOF
2745 chmod +x $TMPSH >> $logfile 2>&1
2746 if ! $TMPSH >> $logfile 2>&1; then
2748 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2749 variable to another directory and make sure that it is not mounted noexec.
2751 die "Sanity test failed."
2757 # Filter out MSVC cl.exe options from cflags that shouldn't
2758 # be passed to gas-preprocessor
2768 -std=c99) echo -c99 ;;
2769 -mcpu=*) echo -arch ${flag#*=} ;;
2770 -mieee) echo -ieee ;;
2771 -O*|-fast) echo $flag ;;
2772 -fno-math-errno) echo -assume nomath_errno ;;
2774 -Wall) echo -msg_enable level2 ;;
2775 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2776 -Wl,*) echo $flag ;;
2786 -Wno-switch) echo -Wno-switch-enum ;;
2787 -Wno-format-zero-length) ;;
2788 -Wdisabled-optimization) ;;
2789 -Wno-pointer-sign) echo -Wno-other ;;
2795 msvc_common_flags(){
2798 # In addition to specifying certain flags under the compiler
2799 # specific filters, they must be specified here as well or else the
2800 # generic catch all at the bottom will print the original flag.
2804 -fomit-frame-pointer) ;;
2808 -fno-signed-zeros) ;;
2812 -lz) echo zlib.lib ;;
2813 -lavifil32) echo vfw32.lib ;;
2814 -lavicap32) echo vfw32.lib user32.lib ;;
2815 -l*) echo ${flag#-l}.lib ;;
2816 -L*) echo -libpath:${flag#-L} ;;
2823 msvc_common_flags "$@"
2826 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2827 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2828 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2829 -wd4273 -wd4554 -wd4701 ;;
2835 msvc_common_flags "$@"
2838 # Despite what Intel's documentation says -Wall, which is supported
2839 # on Windows, does enable remarks so disable them here.
2840 -Wall) echo $flag -Qdiag-disable:remark ;;
2841 -std=c99) echo -Qstd=c99 ;;
2849 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2850 -fomit-frame-pointer) echo -Mnoframe ;;
2861 case "${flag#*=}" in
2862 native) echo -xtarget=native ;;
2863 v9|niagara) echo -xarch=sparc ;;
2864 ultrasparc) echo -xarch=sparcvis ;;
2865 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
2866 i586|pentium) echo -xchip=pentium ;;
2867 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
2868 pentium3*|c3-2) echo -xtarget=pentium3 ;;
2869 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
2870 pentium4*) echo -xtarget=pentium4 ;;
2871 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
2872 *-sse3) echo -xarch=sse3 ;;
2873 core2) echo -xarch=ssse3 -xchip=core2 ;;
2874 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
2875 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
2876 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
2877 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
2878 k8|opteron|athlon64|athlon-fx)
2879 echo -xarch=sse2a ;;
2880 athlon*) echo -xarch=pentium_proa ;;
2883 -std=c99) echo -xc99 ;;
2884 -fomit-frame-pointer) echo -xregs=frameptr ;;
2885 -fPIC) echo -KPIC -xcode=pic32 ;;
2886 -W*,*) echo $flag ;;
2887 -f*-*|-W*|-mimpure-text) ;;
2898 case "${flag#*=}" in
2899 armv7-a|cortex-a*) echo -mv=7a8 ;;
2900 armv7-r|cortex-r*) echo -mv=7r4 ;;
2901 armv7-m|cortex-m*) echo -mv=7m3 ;;
2902 armv6*|arm11*) echo -mv=6 ;;
2903 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2905 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
2908 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
2909 -mfpu=vfp) echo --float_support=vfpv2 ;;
2910 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
2911 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
2912 -msoft-float) echo --float_support=vfplib ;;
2913 -O[0-3]|-mf=*) echo $flag ;;
2915 -pds=*) echo $flag ;;
2916 -D*|-I*) echo $flag ;;
2917 --gcc|--abi=*) echo $flag ;;
2927 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
2928 unset _ld_o _ldflags _ld_lib _ld_path
2929 unset _depflags _DEPCMD _DEPFLAGS
2932 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2934 gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2935 _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2936 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2939 elif $_cc -v 2>&1 | grep -qi ^gcc; then
2941 gcc_version=$($_cc --version | head -n1)
2942 gcc_basever=$($_cc -dumpversion)
2943 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2944 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2945 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2946 if ! $_cc -dumpversion | grep -q '^2\.'; then
2947 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2951 elif $_cc --version 2>/dev/null | grep -q ^icc; then
2953 _ident=$($_cc --version | head -n1)
2958 elif $_cc -v 2>&1 | grep -q xlc; then
2960 _ident=$($_cc -qversion 2>/dev/null | head -n1)
2962 _cflags_size='-O5 -qcompact'
2963 elif $_cc -V 2>/dev/null | grep -q Compaq; then
2965 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2967 _cflags_speed='-fast'
2969 _flags_filter=ccc_flags
2970 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
2971 test -d "$sysroot" || die "No valid sysroot specified."
2973 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
2974 armcc_conf="$PWD/armcc.conf"
2975 $_cc --arm_linux_configure \
2976 --arm_linux_config_file="$armcc_conf" \
2977 --configure_sysroot="$sysroot" \
2978 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2979 die "Error creating armcc configuration file."
2980 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2981 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2982 as_default="${cross_prefix}gcc"
2986 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
2988 _ident=$($_cc -version | head -n1 | tr -s ' ')
2989 _flags='--gcc --abi=eabi -me'
2992 _depflags='-ppa -ppd=$(@:.o=.d)'
2993 _cflags_speed='-O3 -mf=5'
2994 _cflags_size='-O3 -mf=2'
2995 _flags_filter=tms470_flags
2996 elif $_cc -v 2>&1 | grep -q clang; then
2998 _ident=$($_cc --version | head -n1)
2999 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3002 elif $_cc -V 2>&1 | grep -q Sun; then
3004 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3005 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3006 _DEPFLAGS='-xM1 -xc99'
3009 _cflags_size='-O5 -xspace'
3010 _flags_filter=suncc_flags
3011 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3013 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3014 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3017 _flags_filter='filter_out -Wdisabled-optimization'
3018 elif $_cc -v 2>&1 | grep -q Open64; then
3020 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3021 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3024 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3025 elif $_cc -V 2>&1 | grep -q Portland; then
3027 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3028 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3029 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3030 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3032 _flags_filter=pgi_flags
3033 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3035 _ident=$($_cc | head -n1)
3036 # 4509: "This form of conditional instruction is deprecated"
3037 _flags="-nologo -ignore 4509"
3038 _flags_filter=armasm_flags
3039 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3041 _ident=$($_cc 2>&1 | head -n1)
3042 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3043 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3046 if $_cc -nologo- 2>&1 | grep -q Linker; then
3053 _flags_filter=msvc_flags
3055 _ld_path='-libpath:'
3057 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3058 elif $_cc 2>&1 | grep -q Intel; then
3060 _ident=$($_cc 2>&1 | head -n1)
3061 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3062 # Not only is O3 broken on 13.x+ but it is slower on all previous
3063 # versions (tested) as well.
3065 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3066 if $_cc 2>&1 | grep -q Linker; then
3073 _flags_filter=icl_flags
3075 _ld_path='-libpath:'
3076 # -Qdiag-error to make icl error when seeing certain unknown arguments
3077 _flags='-nologo -Qdiag-error:4044,10157'
3078 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3079 # with MSVC which enables it by default.
3080 _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
3081 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3083 _ident=$($_cc --version | head -n1)
3087 _flags_filter=cparser_flags
3090 eval ${pfx}_type=\$_type
3091 eval ${pfx}_ident=\$_ident
3095 eval ${1}_C=\${_cc_c-\${${1}_C}}
3096 eval ${1}_E=\${_cc_e-\${${1}_E}}
3097 eval ${1}_O=\${_cc_o-\${${1}_O}}
3099 if [ -n "$_depflags" ]; then
3100 eval ${1}_DEPFLAGS=\$_depflags
3102 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3103 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3104 eval DEP${1}FLAGS=\$_flags
3109 cflags_filter=$_flags_filter
3110 cflags_speed=$_cflags_speed
3111 cflags_size=$_cflags_size
3112 cflags_noopt=$_cflags_noopt
3113 add_cflags $_flags $_cflags
3114 cc_ldflags=$_ldflags
3117 probe_cc hostcc "$host_cc"
3118 host_cflags_filter=$_flags_filter
3119 add_host_cflags $_flags $_cflags
3122 test -n "$cc_type" && enable $cc_type ||
3123 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3125 : ${as_default:=$cc}
3126 : ${dep_cc_default:=$cc}
3127 : ${ld_default:=$cc}
3128 : ${host_ld_default:=$host_cc}
3129 set_default ar as dep_cc ld host_ld
3132 asflags_filter=$_flags_filter
3133 add_asflags $_flags $_cflags
3137 ldflags_filter=$_flags_filter
3138 add_ldflags $_flags $_ldflags
3139 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3141 LD_LIB=${_ld_lib-$LD_LIB}
3142 LD_PATH=${_ld_path-$LD_PATH}
3144 probe_cc hostld "$host_ld"
3145 host_ldflags_filter=$_flags_filter
3146 add_host_ldflags $_flags $_ldflags
3147 HOSTLD_O=${_ld_o-$HOSTLD_O}
3149 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3150 probe_cc depcc "$dep_cc"
3151 CCDEP=${_DEPCMD:-$DEPCMD}
3152 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3156 if $ar 2>&1 | grep -q Microsoft; then
3159 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3162 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3163 arflags='-Xany -r -c'
3170 add_cflags $extra_cflags
3171 add_asflags $extra_cflags
3173 if test -n "$sysroot"; then
3176 add_cppflags --sysroot="$sysroot"
3177 add_ldflags --sysroot="$sysroot"
3180 add_cppflags -I"$sysinclude"
3181 add_ldflags --sysroot="$sysroot"
3186 if test "$cpu" = host; then
3187 enabled cross_compile &&
3188 die "--cpu=host makes no sense when cross-compiling."
3193 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3195 s/.*$1=\\([^ ]*\\).*/\\1/
3200 cpu=$(check_native -march || check_native -mcpu)
3204 test "${cpu:-host}" = host &&
3205 die "--cpu=host not supported with compiler $cc"
3208 # Deal with common $arch aliases
3222 "Power Macintosh"|ppc*|powerpc*)
3237 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3242 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3245 # Add processor-specific flags
3246 if enabled aarch64; then
3250 cpuflags="-march=$cpu"
3253 cpuflags="-mcpu=$cpu"
3257 elif enabled alpha; then
3259 cpuflags="-mcpu=$cpu"
3261 elif enabled arm; then
3264 check_cpp_condition stddef.h \
3265 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3270 if check_arm_arch 4; then echo armv4;
3271 elif check_arm_arch 4T; then echo armv4t;
3272 elif check_arm_arch 5; then echo armv5;
3273 elif check_arm_arch 5E; then echo armv5e;
3274 elif check_arm_arch 5T; then echo armv5t;
3275 elif check_arm_arch 5TE; then echo armv5te;
3276 elif check_arm_arch 5TEJ; then echo armv5te;
3277 elif check_arm_arch 6; then echo armv6;
3278 elif check_arm_arch 6J; then echo armv6j;
3279 elif check_arm_arch 6K; then echo armv6k;
3280 elif check_arm_arch 6Z; then echo armv6z;
3281 elif check_arm_arch 6ZK; then echo armv6zk;
3282 elif check_arm_arch 6T2; then echo armv6t2;
3283 elif check_arm_arch 7; then echo armv7;
3284 elif check_arm_arch 7A 7_A; then echo armv7-a;
3285 elif check_arm_arch 7S; then echo armv7-a;
3286 elif check_arm_arch 7R 7_R; then echo armv7-r;
3287 elif check_arm_arch 7M 7_M; then echo armv7-m;
3288 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3289 elif check_arm_arch 8A 8_A; then echo armv8-a;
3293 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3297 cpuflags="-march=$cpu"
3298 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3301 cpuflags="-mcpu=$cpu"
3303 cortex-a*) subarch=armv7a ;;
3304 cortex-r*) subarch=armv7r ;;
3305 cortex-m*) enable thumb; subarch=armv7m ;;
3306 arm11*) subarch=armv6 ;;
3307 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3308 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3309 *) subarch=$(probe_arm_arch) ;;
3315 armv5t*) enable fast_clz ;;
3316 armv[6-8]*) enable fast_clz fast_unaligned ;;
3319 elif enabled avr32; then
3324 cpuflags="-mpart=$cpu"
3328 cpuflags="-march=$cpu"
3332 cpuflags="-mcpu=$cpu"
3336 cpuflags="-march=$cpu"
3340 elif enabled bfin; then
3342 cpuflags="-mcpu=$cpu"
3344 elif enabled mips; then
3346 cpuflags="-march=$cpu"
3348 elif enabled ppc; then
3352 case $(tolower $cpu) in
3353 601|ppc601|powerpc601)
3354 cpuflags="-mcpu=601"
3357 603*|ppc603*|powerpc603*)
3358 cpuflags="-mcpu=603"
3361 604*|ppc604*|powerpc604*)
3362 cpuflags="-mcpu=604"
3365 g3|75*|ppc75*|powerpc75*)
3366 cpuflags="-mcpu=750"
3369 g4|745*|ppc745*|powerpc745*)
3370 cpuflags="-mcpu=7450"
3373 74*|ppc74*|powerpc74*)
3374 cpuflags="-mcpu=7400"
3377 g5|970|ppc970|powerpc970)
3378 cpuflags="-mcpu=970"
3382 cpuflags="-mcpu=$cpu"
3386 cpuflags="-mcpu=$cpu"
3390 cpuflags="-mcpu=cell"
3395 cpuflags="-mcpu=e500mc"
3399 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3404 cpuflags="-mcpu=8540 -mhard-float"
3410 elif enabled sparc; then
3413 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3414 cpuflags="-mcpu=$cpu"
3416 ultrasparc*|niagara[234])
3417 cpuflags="-mcpu=$cpu"
3421 elif enabled x86; then
3425 cpuflags="-march=$cpu"
3429 # targets that do NOT support nopl and conditional mov (cmov)
3430 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3431 cpuflags="-march=$cpu"
3434 # targets that do support nopl and conditional mov (cmov)
3435 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3436 cpuflags="-march=$cpu"
3440 # targets that do support conditional mov but on which it's slow
3441 pentium4|pentium4m|prescott|nocona)
3442 cpuflags="-march=$cpu"
3450 if [ "$cpu" != generic ]; then
3451 add_cflags $cpuflags
3452 add_asflags $cpuflags
3455 # compiler sanity check
3457 int main(void){ return 0; }
3459 if test "$?" != 0; then
3460 echo "$cc is unable to create an executable file."
3461 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3462 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3463 echo "Only do this if you know what cross compiling means."
3465 die "C compiler test failed."
3468 add_cppflags -D_ISOC99_SOURCE
3469 check_cflags -std=c99
3470 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3473 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3477 add_host_cppflags -D_ISOC99_SOURCE
3478 check_host_cflags -std=c99
3479 check_host_cflags -Wall
3480 check_host_cflags -O3
3486 check_code cc "" "int test[2*($expr) - 1]" &&
3487 subarch=$arch64 || subarch=$arch32
3495 check_64bit mips mips64 '_MIPS_SIM > 1'
3499 check_64bit parisc parisc64 'sizeof(void *) > 4'
3503 check_64bit ppc ppc64 'sizeof(void *) > 4'
3507 check_64bit s390 s390x 'sizeof(void *) > 4'
3511 check_64bit sparc sparc64 'sizeof(void *) > 4'
3515 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3516 if test "$subarch" = "x86_64"; then
3523 enabled spic && enable_weak pic
3529 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3530 enabled shared && add_ldflags -Wl,-brtl
3534 enable section_data_rel_ro
3535 SLIB_INSTALL_NAME='$(SLIBNAME)'
3537 # soname not set on purpose
3541 prefix_default="/boot/common"
3542 network_extralibs="-lnetwork"
3546 SHFLAGS='-shared -Wl,-h,$$(@F)'
3547 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3548 network_extralibs="-lsocket -lnsl"
3549 # When using suncc to build, the Solaris linker will mark
3550 # an executable with each instruction set encountered by
3551 # the Solaris assembler. As our libraries contain their own
3552 # guards for processor-specific code, instead suppress
3553 # generation of the HWCAPS ELF section on Solaris x86 only.
3554 enabled_all suncc x86 &&
3555 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3556 add_ldflags -Wl,-M,mapfile
3557 nm_default='nm -P -g'
3561 oss_indev_extralibs="-lossaudio"
3562 oss_outdev_extralibs="-lossaudio"
3567 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3569 oss_indev_extralibs="-lossaudio"
3570 oss_outdev_extralibs="-lossaudio"
3578 add_extralibs -lpoll -lgnugetopt
3581 enabled ppc && add_asflags -force_cpusubtype_ALL
3582 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3583 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3584 add_ldflags -Wl,-dynamic,-search_paths_first
3586 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
3587 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
3589 enabled x86_64 && objformat="macho64"
3590 enabled_any pic shared ||
3591 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3594 if test $target_os = "mingw32ce"; then
3600 if enabled x86_64; then
3601 LIBTARGET="i386:x86-64"
3602 elif enabled arm; then
3605 check_ldflags -Wl,--nxcompat
3606 check_ldflags -Wl,--dynamicbase
3607 shlibdir_default="$bindir_default"
3610 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3611 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3612 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3613 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3615 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3616 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3617 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3619 dlltool="${cross_prefix}dlltool"
3625 if enabled shared; then
3626 # Link to the import library instead of the normal static library
3629 # Cannot build both shared and static libs with MSVC or icl.
3632 shlibdir_default="$bindir_default"
3635 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3636 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3637 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3638 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3640 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3641 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3642 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3649 shlibdir_default="$bindir_default"
3652 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
3653 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
3654 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3656 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
3657 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
3661 *-dos|freedos|opendos)
3662 network_extralibs="-lsocket"
3665 add_cppflags -U__STRICT_ANSI__
3669 enable section_data_rel_ro
3673 ranlib="echo ignoring ranlib"
3678 add_cppflags -D_GNU_SOURCE
3679 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3680 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3684 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3685 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3686 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3687 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3688 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3689 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3690 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
3691 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3692 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3693 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3697 add_cppflags -D_BSD_SOURCE
3702 add_cppflags -D_QNX_SOURCE
3703 network_extralibs="-lsocket"
3708 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3709 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3710 add_ldflags -Wl,--target1-abs,--no-undefined \
3711 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3712 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3713 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3714 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3715 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3718 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
3723 add_cppflags -D_C99_SNPRINTF_EXTENSION \
3724 -D_REENTRANT_SOURCE \
3725 -D_RESEARCH_SOURCE \
3728 add_compat strtod.o strtod=avpriv_strtod
3729 network_extralibs='-lbsd'
3730 exeobjs=compat/plan9/main.o
3736 die "Unknown OS '$target_os'."
3740 # determine libc flavour
3745 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
3746 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
3747 eval ${pfx}libc_type=uclibc
3748 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3749 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
3750 eval ${pfx}libc_type=glibc
3751 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3752 # MinGW headers can be installed on Cygwin, so check for newlib first.
3753 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
3754 eval ${pfx}libc_type=newlib
3755 add_${pfx}cppflags -U__STRICT_ANSI__
3756 # MinGW64 is backwards compatible with MinGW32, so check for it first.
3757 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
3758 eval ${pfx}libc_type=mingw64
3759 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3760 eval test \$${pfx_no_}cc_type = "gcc" &&
3761 add_${pfx}cppflags -D__printf__=__gnu_printf__
3762 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
3763 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
3764 eval ${pfx}libc_type=mingw32
3765 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
3766 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
3767 die "ERROR: MinGW32 runtime version must be >= 3.15."
3768 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
3769 eval test \$${pfx_no_}cc_type = "gcc" &&
3770 add_${pfx}cppflags -D__printf__=__gnu_printf__
3771 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
3772 eval ${pfx}libc_type=msvcrt
3773 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
3774 if [ "$pfx" = host_ ]; then
3775 add_host_cppflags -Dsnprintf=_snprintf
3777 add_compat strtod.o strtod=avpriv_strtod
3778 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
3779 _snprintf=avpriv_snprintf \
3780 vsnprintf=avpriv_vsnprintf
3783 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
3784 # 0x601 by default unless something else is set by the user.
3785 # This can easily lead to us detecting functions only present
3786 # in such new versions and producing binaries requiring windows 7.0.
3787 # Therefore explicitly set the default to XP unless the user has
3788 # set something else on the command line.
3789 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
3790 add_${pfx}cppflags -D_WIN32_WINNT=0x0502
3791 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
3792 eval ${pfx}libc_type=klibc
3793 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
3794 eval ${pfx}libc_type=bionic
3795 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
3796 eval ${pfx}libc_type=solaris
3797 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
3799 eval ${pfx}libc_type=default
3800 add_${pfx}cppflags -D_DEFAULT_SOURCE
3805 test -n "$libc_type" && enable libc_$libc_type
3807 test -n "$host_libc_type" && enable host_libc_$host_libc_type
3811 add_compat strtod.o strtod=avpriv_strtod
3815 # hacks for compiler/libc/os combinations
3817 if enabled_all tms470 libc_glibc; then
3818 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
3819 add_cppflags -D__USER_LABEL_PREFIX__=
3820 add_cppflags -D__builtin_memset=memset
3821 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
3822 add_cflags -pds=48 # incompatible redefinition of macro
3825 if enabled_all ccc libc_glibc; then
3826 add_ldflags -Wl,-z,now # calls to libots crash without this
3829 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
3830 add_cppflags '-I\$(SRC_PATH)/compat/float'
3833 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3836 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
3838 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
3840 set_default $PATHS_LIST
3843 # we need to build at least one lib type
3844 if ! enabled_any static shared; then
3846 At least one library type must be built.
3847 Specify --enable-static to build the static libraries or --enable-shared to
3848 build the shared libraries as well. To only build the shared libraries specify
3849 --disable-static in addition to --enable-shared.
3854 die_license_disabled() {
3855 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3858 die_license_disabled gpl libcdio
3859 die_license_disabled gpl libx264
3860 die_license_disabled gpl libx265
3861 die_license_disabled gpl libxavs
3862 die_license_disabled gpl libxvid
3863 die_license_disabled gpl x11grab
3865 die_license_disabled nonfree libfaac
3866 die_license_disabled nonfree libfdk_aac
3867 die_license_disabled nonfree nvenc
3868 die_license_disabled nonfree openssl
3870 die_license_disabled version3 libopencore_amrnb
3871 die_license_disabled version3 libopencore_amrwb
3872 die_license_disabled version3 libvo_aacenc
3873 die_license_disabled version3 libvo_amrwbenc
3875 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3877 disabled optimizations || check_cflags -fomit-frame-pointer
3880 disabled pic && return
3883 case "$target_os" in
3893 enabled pic && enable_weak_pic
3895 check_cc <<EOF || die "Symbol mangling check failed."
3898 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3899 extern_prefix=${sym%%ff_extern*}
3901 check_cc <<EOF && enable_weak inline_asm
3902 void foo(void) { __asm__ volatile ("" ::); }
3906 for restrict_keyword in restrict __restrict__ __restrict; do
3907 check_cc <<EOF && _restrict=$restrict_keyword && break
3908 void foo(char * $restrict_keyword p);
3912 check_cc <<EOF && enable pragma_deprecated
3913 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
3916 check_cc <<EOF && enable attribute_packed
3917 struct { int x; } __attribute__((packed)) x;
3920 check_cc <<EOF && enable attribute_may_alias
3921 union { int x; } __attribute__((may_alias)) x;
3924 check_cc <<EOF || die "endian test failed"
3925 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3927 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3930 log "check_gas using '$as' as AS"
3931 # :vararg is used on aarch64, arm and ppc altivec
3932 check_as <<EOF || return 1
3933 .macro m n, y:vararg=0
3938 # .altmacro is only used in arm asm
3939 ! enabled arm || check_as <<EOF || return 1
3946 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
3948 enabled_any arm aarch64 && nogas=die
3949 enabled_all ppc altivec && nogas=warn
3953 arm*) gaspp_as_type=armasm; as_noop=-h ;;
3954 gcc) gaspp_as_type=gas ;;
3955 *) gaspp_as_type=$as_type ;;
3958 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
3960 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
3961 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
3963 if ! check_gas ; then
3966 $nogas "GNU assembler not found, install/update gas-preprocessor"
3969 check_as <<EOF && enable as_func
3975 check_inline_asm inline_asm_labels '"1:\n"'
3977 if enabled aarch64; then
3978 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
3979 # internal assembler in clang 3.3 does not support this instruction
3980 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
3981 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
3983 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
3985 elif enabled alpha; then
3989 elif enabled arm; then
3991 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
3992 enabled thumb && check_cflags -mthumb || check_cflags -marm
3994 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3996 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3997 case "${cross_prefix:-$cc}" in
3998 *hardfloat*) enable vfp_args; fpabi=vfp ;;
3999 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4000 __asm__ (".eabi_attribute 28, 1");
4001 int main(void) { return 0; }
4004 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4007 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4008 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4009 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4010 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4011 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4012 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4014 [ $target_os = linux ] || [ $target_os = android ] ||
4015 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4018 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4020 check_as <<EOF && enable as_dn_directive
4025 # llvm's integrated assembler supports .object_arch from llvm 3.5
4026 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4030 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4032 elif enabled mips; then
4034 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4036 elif enabled parisc; then
4038 if enabled gcc; then
4039 case $($cc -dumpversion) in
4040 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4044 elif enabled ppc; then
4046 enable local_aligned_8 local_aligned_16
4048 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4049 check_inline_asm ibm_asm '"add 0, 0, 0"'
4050 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4051 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4053 # AltiVec flags: The FSF version of GCC differs from the Apple version
4054 if enabled altivec; then
4055 check_cflags -maltivec -mabi=altivec &&
4056 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4057 check_cflags -faltivec
4059 # check if our compiler supports Motorola AltiVec C API
4060 check_cc <<EOF || disable altivec
4063 vector signed int v1 = (vector signed int) { 0 };
4064 vector signed int v2 = (vector signed int) { 1 };
4065 v1 = vec_add(v1, v2);
4070 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4073 if enabled vsx; then
4074 check_cflags -mvsx &&
4075 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4078 if enabled power8; then
4079 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4082 elif enabled x86; then
4084 check_builtin rdtsc intrin.h "__rdtsc()"
4085 check_builtin mm_empty mmintrin.h "_mm_empty()"
4087 enable local_aligned_8 local_aligned_16
4089 # check whether EBP is available on x86
4090 # As 'i' is stored on the stack, this program will crash
4091 # if the base pointer is used to access it because the
4092 # base pointer is cleared in the inline assembly code.
4093 check_exec_crash <<EOF && enable ebp_available
4095 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4099 # check whether EBX is available on x86
4100 check_inline_asm ebx_available '""::"b"(0)' &&
4101 check_inline_asm ebx_available '"":::"%ebx"'
4103 # check whether xmm clobbers are supported
4104 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4106 # check whether binutils is new enough to compile SSSE3/MMXEXT
4107 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4108 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4110 if ! disabled_any asm mmx yasm; then
4111 if check_cmd $yasmexe --version; then
4112 enabled x86_64 && yasm_extra="-m amd64"
4113 yasm_debug="-g dwarf2"
4114 elif check_cmd nasm -v; then
4116 yasm_debug="-g -F dwarf"
4117 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4120 YASMFLAGS="-f $objformat $yasm_extra"
4121 enabled pic && append YASMFLAGS "-DPIC"
4122 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4123 case "$objformat" in
4124 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4127 check_yasm "movbe ecx, [5]" && enable yasm ||
4128 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4129 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4130 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4131 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4132 check_yasm "CPU amdnop" || disable cpunop
4136 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4143 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4145 check_ldflags -Wl,--as-needed
4147 if check_func dlopen; then
4149 elif check_func dlopen -ldl; then
4153 if ! disabled network; then
4154 check_func getaddrinfo $network_extralibs
4155 check_func getservbyport $network_extralibs
4156 check_func inet_aton $network_extralibs
4158 check_type netdb.h "struct addrinfo"
4159 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4160 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4161 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4162 check_type poll.h "struct pollfd"
4163 check_type netinet/sctp.h "struct sctp_event_subscribe"
4164 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4165 check_type netinet/in.h "struct sockaddr_in6"
4166 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4167 check_type "sys/types.h sys/socket.h" socklen_t
4169 # Prefer arpa/inet.h over winsock2
4170 if check_header arpa/inet.h ; then
4171 check_func closesocket
4172 elif check_header winsock2.h ; then
4173 check_func_headers winsock2.h closesocket -lws2 &&
4174 network_extralibs="-lws2" ||
4175 { check_func_headers winsock2.h closesocket -lws2_32 &&
4176 network_extralibs="-lws2_32"; } || disable winsock2_h network
4177 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4179 check_type ws2tcpip.h socklen_t
4180 check_type ws2tcpip.h "struct addrinfo"
4181 check_type ws2tcpip.h "struct group_source_req"
4182 check_type ws2tcpip.h "struct ip_mreq_source"
4183 check_type ws2tcpip.h "struct ipv6_mreq"
4184 check_type winsock2.h "struct pollfd"
4185 check_struct winsock2.h "struct sockaddr" sa_len
4186 check_type ws2tcpip.h "struct sockaddr_in6"
4187 check_type ws2tcpip.h "struct sockaddr_storage"
4193 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4194 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4195 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4196 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4198 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4199 check_func ${malloc_prefix}memalign && enable memalign
4200 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4202 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
4203 check_func_headers time.h clock_gettime || { check_func_headers time.h clock_gettime -lrt && add_extralibs -lrt && LIBRT="-lrt"; }
4207 check_func gethrtime
4209 check_func getrusage
4210 check_func gettimeofday
4213 check_func localtime_r
4214 check_func mach_absolute_time
4218 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4219 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt; }
4220 check_func sched_getaffinity
4221 check_func setrlimit
4222 check_func strerror_r
4227 check_func_headers io.h setmode
4228 check_func_headers stdlib.h getenv
4230 check_func_headers windows.h CoTaskMemFree -lole32
4231 check_func_headers windows.h GetProcessAffinityMask
4232 check_func_headers windows.h GetProcessTimes
4233 check_func_headers windows.h GetSystemTimeAsFileTime
4234 check_func_headers windows.h LoadLibrary
4235 check_func_headers windows.h MapViewOfFile
4236 check_func_headers windows.h SetConsoleTextAttribute
4237 check_func_headers windows.h Sleep
4238 check_func_headers windows.h VirtualAlloc
4239 check_struct windows.h "CONDITION_VARIABLE" Ptr
4241 check_header direct.h
4242 check_header dlfcn.h
4243 check_header d3d11.h
4245 check_header dxva2api.h
4247 check_header mach/mach_time.h
4248 check_header malloc.h
4250 check_header sys/mman.h
4251 check_header sys/param.h
4252 check_header sys/resource.h
4253 check_header sys/select.h
4254 check_header sys/time.h
4255 check_header sys/un.h
4256 check_header unistd.h
4257 check_header valgrind/valgrind.h
4258 check_header vdpau/vdpau.h
4259 check_header vdpau/vdpau_x11.h
4260 check_header VideoDecodeAcceleration/VDADecoder.h
4261 check_header windows.h
4262 check_header X11/extensions/XvMClib.h
4264 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
4265 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4266 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4268 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4270 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC"
4271 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
4272 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0600
4274 if ! disabled w32threads && ! enabled pthreads; then
4275 check_func_headers "windows.h process.h" _beginthreadex &&
4276 enable w32threads || disable w32threads
4279 # check for some common methods of building with pthread support
4280 # do this before the optional library checks as some of them require pthreads
4281 if ! disabled pthreads && ! enabled w32threads; then
4283 if check_func pthread_join -pthread; then
4285 add_extralibs -pthread
4286 elif check_func pthread_join -pthreads; then
4287 add_cflags -pthreads
4288 add_extralibs -pthreads
4289 elif check_func pthread_join -lpthreadGC2; then
4290 add_extralibs -lpthreadGC2
4291 elif check_lib pthread.h pthread_join -lpthread; then
4293 elif ! check_func pthread_join; then
4298 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4299 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4301 check_lib math.h sin -lm && LIBM="-lm"
4302 enabled vaapi && require vaapi va/va.h vaInitialize -lva
4308 for func in $MATH_FUNCS; do
4309 eval check_mathfunc $func \${${func}_args:-1}
4312 # these are off by default, so fail if requested and not available
4313 enabled avisynth && { check_lib2 "avisynth/avisynth_c.h windows.h" LoadLibrary ||
4314 check_lib2 "avxsynth/avxsynth_c.h dlfcn.h" dlopen -ldl ||
4315 die "ERROR: LoadLibrary/dlopen not found, or avisynth header not found"; }
4316 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4317 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4318 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4319 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4320 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4321 enabled libfdk_aac && require_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen
4322 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4323 enabled libfreetype && require_pkg_config freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
4324 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4325 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4326 done || die "ERROR: libgsm not found"; }
4327 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4328 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4329 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4330 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4331 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4332 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
4333 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4334 enabled libopenjpeg && { { check_header openjpeg.h && check_lib2 openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC; } ||
4335 { require_pkg_config libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; } }
4336 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4337 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4338 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4339 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4340 enabled libsnappy && require snappy snappy-c.h snappy_compress -lsnappy
4341 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4342 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4343 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame
4344 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4345 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4346 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4347 enabled libvpx && require_pkg_config "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version && {
4348 enabled libvpx_vp8_decoder && {
4349 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
4350 disable libvpx_vp8_decoder;
4352 enabled libvpx_vp8_encoder && {
4353 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
4354 disable libvpx_vp8_encoder;
4356 enabled libvpx_vp9_decoder && {
4357 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
4358 disable libvpx_vp9_decoder;
4360 enabled libvpx_vp9_encoder && {
4361 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
4362 disable libvpx_vp9_encoder;
4364 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
4365 die "libvpx enabled but no supported decoders found"
4368 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4369 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4370 enabled libx264 && require_pkg_config x264 "stdint.h x264.h" x264_encoder_encode &&
4371 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4372 die "ERROR: libx264 version must be >= 0.118."; } &&
4373 { check_cpp_condition x264.h "X264_MPEG2" &&
4375 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
4376 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
4377 die "ERROR: libx265 version must be >= 57."; }
4378 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
4379 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4380 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
4381 { ! enabled cross_compile && {
4382 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline ;
4383 add_extralibs -L/opt/vc/lib/ -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ;
4384 check_lib interface/mmal/mmal.h mmal_port_connect ; }
4385 check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
4386 die "ERROR: mmal not found"; }
4387 enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4388 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4389 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4390 die "ERROR: openssl not found"; }
4392 if enabled gnutls; then
4393 { check_lib2 gmp.h mpz_export -lgmp && enable gmp; } ||
4394 { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
4398 if enabled libdc1394; then
4399 { require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new &&
4400 enable libdc1394_2; } ||
4401 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
4402 enable libdc1394_1; } ||
4403 die "ERROR: No version of libdc1394 found "
4406 if enabled nvenc; then
4407 check_header cuda.h || die "ERROR: cuda.h not found.";
4408 check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found.";
4409 check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 5" ||
4410 die "ERROR: NVENC API version 4 or older is not supported";
4413 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4414 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4415 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4419 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
4420 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
4422 check_header linux/fb.h
4423 check_header linux/videodev2.h
4424 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
4426 check_header sys/videoio.h
4428 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4429 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4430 # w32api 3.12 had it defined wrong
4431 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4433 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4434 { check_header dev/bktr/ioctl_meteor.h &&
4435 check_header dev/bktr/ioctl_bt848.h; } ||
4436 { check_header machine/ioctl_meteor.h &&
4437 check_header machine/ioctl_bt848.h; } ||
4438 { check_header dev/video/meteor/ioctl_meteor.h &&
4439 check_header dev/video/bktr/ioctl_bt848.h; } ||
4440 check_header dev/ic/bt8xx.h
4442 check_header sndio.h
4443 check_header sys/soundcard.h
4444 check_header soundcard.h
4446 enabled_any alsa_indev alsa_outdev &&
4447 check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
4449 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack &&
4450 check_func jack_port_get_latency_range -ljack
4452 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
4454 if enabled libcdio; then
4455 check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4456 check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4457 die "ERROR: No usable libcdio/cdparanoia found"
4460 check_lib X11/Xlib.h XOpenDisplay -lX11 && enable xlib
4462 if enabled libxcb || enabled x11grab && ! disabled libxcb; then
4463 check_pkg_config xcb-shape xcb/shape.h xcb_shape_rectangles || {
4464 enabled libxcb && die "ERROR: libxcb not found";
4465 } && disable x11grab && enable libxcb
4467 disabled libxcb_shm ||
4468 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
4469 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
4470 } && check_header sys/shm.h && enable libxcb_shm
4472 disabled libxcb_xfixes ||
4473 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
4474 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
4475 } && enable libxcb_xfixes
4477 add_cflags "$xcb_event_cflags $xcb_shm_cflags $xcb_xfixes_cflags"
4478 add_extralibs "$xcb_event_libs $xcb_shm_libs $xcb_xfixes_libs"
4481 if enabled x11grab; then
4482 enabled xlib || die "ERROR: Xlib not found"
4483 require Xext X11/extensions/XShm.h XShmCreateImage -lXext
4484 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
4487 enabled vaapi && enabled xlib &&
4488 check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
4492 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4495 enabled vdpau && enabled xlib &&
4496 check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau &&
4497 prepend avconv_libs $($ldflags_filter "-lvdpau") &&
4500 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4502 # add some useful compiler flags if supported
4503 check_cflags -Wdeclaration-after-statement
4505 check_cflags -Wdisabled-optimization
4506 check_cflags -Wpointer-arith
4507 check_cflags -Wredundant-decls
4508 check_cflags -Wcast-qual
4509 check_cflags -Wwrite-strings
4510 check_cflags -Wtype-limits
4511 check_cflags -Wundef
4512 check_cflags -Wmissing-prototypes
4513 check_cflags -Wstrict-prototypes
4514 enabled extra_warnings && check_cflags -Winline
4516 check_disable_warning(){
4517 warning_flag=-W${1#-Wno-}
4518 test_cflags $warning_flag && add_cflags $1
4521 check_disable_warning -Wno-parentheses
4522 check_disable_warning -Wno-switch
4523 check_disable_warning -Wno-format-zero-length
4524 check_disable_warning -Wno-pointer-sign
4526 # add some linker flags
4527 check_ldflags -Wl,--warn-common
4528 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4529 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
4530 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4532 # add some strip flags
4533 # -wN '..@*' is more selective than -x, but not available everywhere.
4534 check_stripflags -wN \'..@*\' || check_stripflags -x || strip='true'
4536 enabled neon_clobber_test &&
4537 check_ldflags -Wl,--wrap,avcodec_open2 \
4538 -Wl,--wrap,avcodec_decode_audio4 \
4539 -Wl,--wrap,avcodec_decode_video2 \
4540 -Wl,--wrap,avcodec_decode_subtitle2 \
4541 -Wl,--wrap,avcodec_encode_audio2 \
4542 -Wl,--wrap,avcodec_encode_video2 \
4543 -Wl,--wrap,avcodec_encode_subtitle \
4544 -Wl,--wrap,avresample_convert ||
4545 disable neon_clobber_test
4547 enabled xmm_clobber_test &&
4548 check_ldflags -Wl,--wrap,avcodec_open2 \
4549 -Wl,--wrap,avcodec_decode_audio4 \
4550 -Wl,--wrap,avcodec_decode_video2 \
4551 -Wl,--wrap,avcodec_decode_subtitle2 \
4552 -Wl,--wrap,avcodec_encode_audio2 \
4553 -Wl,--wrap,avcodec_encode_video2 \
4554 -Wl,--wrap,avcodec_encode_subtitle \
4555 -Wl,--wrap,avresample_convert \
4556 -Wl,--wrap,sws_scale ||
4557 disable xmm_clobber_test
4560 if test_ldflags -Wl,--version-script,$TMPV; then
4561 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
4562 check_cc <<EOF && enable symver_asm_label
4563 void ff_foo(void) __asm__ ("av_foo@VERSION");
4564 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4566 check_cc <<EOF && enable symver_gnu_asm
4567 __asm__(".symver ff_foo,av_foo@VERSION");
4568 void ff_foo(void) {}
4572 if [ -z "$optflags" ]; then
4573 if enabled small; then
4574 optflags=$cflags_size
4575 elif enabled optimizations; then
4576 optflags=$cflags_speed
4578 optflags=$cflags_noopt
4584 enabled lto && check_ldflags "$@"
4588 if enabled lto; then
4589 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4591 check_ldflags -flto $cpuflags
4594 check_optflags $optflags
4595 check_optflags -fno-math-errno
4596 check_optflags -fno-signed-zeros
4598 if enabled icc; then
4599 # Just warnings, no remarks
4601 # -wd: Disable following warnings
4602 # 144, 167, 556: -Wno-pointer-sign
4603 # 1292: attribute "foo" ignored
4604 # 1419: external declaration in primary source file
4605 # 10006: ignoring unknown option -fno-signed-zeros
4606 # 10148: ignoring unknown option -Wno-parentheses
4607 # 10156: ignoring option '-W'; no argument required
4608 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
4609 # 11030: Warning unknown option --as-needed
4610 # 10156: ignoring option '-export'; no argument required
4611 check_ldflags -wd10156,11030
4612 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4613 enable ebp_available
4614 if enabled x86_32; then
4615 icc_version=$($cc -dumpversion)
4616 test ${icc_version%%.*} -ge 11 &&
4617 check_cflags -falign-stack=maintain-16-byte ||
4618 disable aligned_stack
4620 elif enabled ccc; then
4621 # disable some annoying warnings
4622 add_cflags -msg_disable bitnotint
4623 add_cflags -msg_disable mixfuncvoid
4624 add_cflags -msg_disable nonstandcast
4625 add_cflags -msg_disable unsupieee
4626 elif enabled gcc; then
4627 check_optflags -fno-tree-vectorize
4628 check_cflags -Werror=implicit-function-declaration
4629 check_cflags -Werror=missing-prototypes
4630 check_cflags -Werror=return-type
4631 check_cflags -Werror=declaration-after-statement
4632 check_cflags -Werror=vla
4633 check_cflags -Werror=format-security
4634 check_cflags -fdiagnostics-color=auto
4635 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4636 elif enabled llvm_gcc; then
4637 check_cflags -mllvm -stack-alignment=16
4638 elif enabled clang; then
4639 check_cflags -mllvm -stack-alignment=16
4640 check_cflags -Qunused-arguments
4641 check_cflags -Werror=implicit-function-declaration
4642 check_cflags -Werror=missing-prototypes
4643 check_cflags -Werror=return-type
4644 elif enabled cparser; then
4645 add_cflags -Wno-missing-variable-declarations
4646 add_cflags -Wno-empty-statement
4647 elif enabled armcc; then
4648 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
4649 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
4650 # 2523: use of inline assembly is deprecated
4651 add_cflags -W${armcc_opt},--diag_suppress=2523
4652 add_cflags -W${armcc_opt},--diag_suppress=1207
4653 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4654 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4655 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4656 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4657 elif enabled tms470; then
4658 add_cflags -pds=824 -pds=837
4660 elif enabled pathscale; then
4661 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
4662 elif enabled_any msvc icl; then
4663 enabled x86_32 && disable aligned_stack
4664 enabled_all x86_32 debug && add_cflags -Oy-
4665 enabled debug && add_ldflags -debug
4666 enable pragma_deprecated
4667 if enabled icl; then
4668 # -Qansi-alias is basically -fstrict-aliasing, but does not work
4669 # (correctly) on icl 13.x.
4670 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
4671 add_cflags -Qansi-alias
4672 # icl will pass the inline asm tests but inline asm is currently
4673 # not supported (build will fail)
4676 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
4677 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
4682 add_asflags -Qunused-arguments
4688 check_ldflags -Qunused-arguments
4694 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
4697 add_cppflags -Dmain=plan9_main
4701 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
4703 check_deps $CONFIG_LIST \
4708 enabled_all dxva2 CoTaskMemFree &&
4709 prepend avconv_libs $($ldflags_filter "-lole32") &&
4712 ! enabled_any memalign posix_memalign aligned_malloc &&
4713 enabled simd_align_16 && enable memalign_hack
4715 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
4717 for thread in $THREADS_LIST; do
4718 if enabled $thread; then
4719 test -n "$thread_type" &&
4720 die "ERROR: Only one thread type must be selected." ||
4721 thread_type="$thread"
4725 enabled zlib && add_cppflags -DZLIB_CONST
4727 # conditional library dependencies, in linking order
4728 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
4729 enabled resample_filter && prepend avfilter_deps "avresample"
4730 enabled scale_filter && prepend avfilter_deps "swscale"
4732 enabled opus_decoder && prepend avcodec_deps "avresample"
4736 eval "deps=\$$lib_deps"
4737 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
4741 map 'expand_deps $v' $LIBRARY_LIST
4743 echo "install prefix $prefix"
4744 echo "source path $source_path"
4745 echo "C compiler $cc"
4746 echo "C library $libc_type"
4747 if test "$host_cc" != "$cc"; then
4748 echo "host C compiler $host_cc"
4749 echo "host C library $host_libc_type"
4751 echo "ARCH $arch ($cpu)"
4752 if test "$build_suffix" != ""; then
4753 echo "build suffix $build_suffix"
4755 if test "$extra_version" != ""; then
4756 echo "version string suffix $extra_version"
4758 echo "big-endian ${bigendian-no}"
4759 echo "runtime cpu detection ${runtime_cpudetect-no}"
4760 if enabled x86; then
4761 echo "${yasmexe} ${yasm-no}"
4762 echo "MMX enabled ${mmx-no}"
4763 echo "MMXEXT enabled ${mmxext-no}"
4764 echo "3DNow! enabled ${amd3dnow-no}"
4765 echo "3DNow! extended enabled ${amd3dnowext-no}"
4766 echo "SSE enabled ${sse-no}"
4767 echo "SSSE3 enabled ${ssse3-no}"
4768 echo "AVX enabled ${avx-no}"
4769 echo "XOP enabled ${xop-no}"
4770 echo "FMA3 enabled ${fma3-no}"
4771 echo "FMA4 enabled ${fma4-no}"
4772 echo "i686 features enabled ${i686-no}"
4773 echo "CMOV is fast ${fast_cmov-no}"
4774 echo "EBX available ${ebx_available-no}"
4775 echo "EBP available ${ebp_available-no}"
4777 if enabled aarch64; then
4778 echo "NEON enabled ${neon-no}"
4779 echo "VFP enabled ${vfp-no}"
4781 if enabled arm; then
4782 echo "ARMv5TE enabled ${armv5te-no}"
4783 echo "ARMv6 enabled ${armv6-no}"
4784 echo "ARMv6T2 enabled ${armv6t2-no}"
4785 echo "VFP enabled ${vfp-no}"
4786 echo "NEON enabled ${neon-no}"
4788 if enabled ppc; then
4789 echo "AltiVec enabled ${altivec-no}"
4790 echo "VSX enabled ${vsx-no}"
4791 echo "POWER8 enabled ${power8-no}"
4792 echo "PPC 4xx optimizations ${ppc4xx-no}"
4793 echo "dcbzl available ${dcbzl-no}"
4795 echo "debug symbols ${debug-no}"
4796 echo "optimize for size ${small-no}"
4797 echo "optimizations ${optimizations-no}"
4798 echo "static ${static-no}"
4799 echo "shared ${shared-no}"
4800 echo "new filter support ${avfilter-no}"
4801 echo "network support ${network-no}"
4802 echo "threading support ${thread_type-no}"
4803 echo "safe bitstream reader ${safe_bitstream_reader-no}"
4804 echo "SDL support ${sdl-no}"
4805 test -n "$random_seed" &&
4806 echo "random seed ${random_seed}"
4809 echo "External libraries:"
4810 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
4813 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
4814 echo "Enabled ${type}s:"
4815 eval list=\$$(toupper $type)_LIST
4816 print_enabled '_*' $list | print_3_columns
4820 license="LGPL version 2.1 or later"
4821 if enabled nonfree; then
4822 license="nonfree and unredistributable"
4823 elif enabled gplv3; then
4824 license="GPL version 3 or later"
4825 elif enabled lgplv3; then
4826 license="LGPL version 3 or later"
4827 elif enabled gpl; then
4828 license="GPL version 2 or later"
4831 echo "License: $license"
4833 echo "Creating config.mak and config.h..."
4835 test -e Makefile || echo "include $source_path/Makefile" > Makefile
4837 config_files="$TMPH config.mak"
4839 cat > config.mak <<EOF
4840 # Automatically generated by configure - do not modify!
4841 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
4843 LIBDIR=\$(DESTDIR)$libdir
4844 SHLIBDIR=\$(DESTDIR)$shlibdir
4845 INCDIR=\$(DESTDIR)$incdir
4846 BINDIR=\$(DESTDIR)$bindir
4847 DATADIR=\$(DESTDIR)$datadir
4848 DOCDIR=\$(DESTDIR)$docdir
4849 MANDIR=\$(DESTDIR)$mandir
4850 SRC_PATH=$source_path
4853 INTRINSICS=$intrinsics
4858 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
4860 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
4882 LDEXEFLAGS=$LDEXEFLAGS
4883 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
4884 STRIPFLAGS=$STRIPFLAGS
4885 YASMFLAGS=$YASMFLAGS
4886 BUILDSUF=$build_suffix
4894 EXTRA_VERSION=$extra_version
4896 CCDEP_FLAGS=$CCDEP_FLAGS
4898 ASDEP_FLAGS=$ASDEP_FLAGS
4899 CC_DEPFLAGS=$CC_DEPFLAGS
4900 AS_DEPFLAGS=$AS_DEPFLAGS
4903 HOSTCFLAGS=$host_cflags
4904 HOSTCPPFLAGS=$host_cppflags
4905 HOSTEXESUF=$HOSTEXESUF
4906 HOSTLDFLAGS=$host_ldflags
4909 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4910 HOSTCCDEP=$HOSTCCDEP
4911 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4912 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4916 TARGET_EXEC=$target_exec $target_exec_args
4917 TARGET_PATH=$target_path
4918 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
4919 CFLAGS-avplay=$sdl_cflags
4920 ZLIB=$($ldflags_filter -lz)
4921 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4922 EXTRALIBS=$extralibs
4923 COMPAT_OBJS=$compat_objs
4926 LIBTARGET=${LIBTARGET}
4927 SLIBNAME=${SLIBNAME}
4928 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4929 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4930 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4931 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4932 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4933 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4934 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4935 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4936 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
4941 name=$(toupper $lcname)
4942 file=$source_path/$lcname/version.h
4943 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
4944 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4945 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4946 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4947 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
4950 map 'get_version $v' $LIBRARY_LIST
4952 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
4954 print_program_libs(){
4955 eval "program_libs=\$${1}_libs"
4956 eval echo "LIBS-${1}=${program_libs}" >> config.mak
4959 map 'print_program_libs $v' $PROGRAM_LIST
4962 /* Automatically generated by configure - do not modify! */
4963 #ifndef LIBAV_CONFIG_H
4964 #define LIBAV_CONFIG_H
4965 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
4966 #define LIBAV_LICENSE "$(c_escape $license)"
4967 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4968 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4969 #define restrict $_restrict
4970 #define EXTERN_PREFIX "${extern_prefix}"
4971 #define EXTERN_ASM ${extern_prefix}
4972 #define SLIBSUF "$SLIBSUF"
4975 test -n "$malloc_prefix" &&
4976 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4978 if enabled yasm; then
4979 append config_files $TMPASM
4983 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
4985 print_config ARCH_ "$config_files" $ARCH_LIST
4986 print_config HAVE_ "$config_files" $HAVE_LIST
4987 print_config CONFIG_ "$config_files" $CONFIG_LIST \
4991 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
4993 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4994 cp_if_changed $TMPH config.h
4997 enabled yasm && cp_if_changed $TMPASM config.asm
5000 /* Generated by ffconf */
5001 #ifndef AVUTIL_AVCONFIG_H
5002 #define AVUTIL_AVCONFIG_H
5005 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5007 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5009 cp_if_changed $TMPH libavutil/avconfig.h
5011 test -n "$WARNINGS" && printf "\n$WARNINGS"
5013 # build pkg-config files
5016 eval printf "\"lib${1} >= \$LIB$(toupper ${1})_VERSION, \""
5019 pkgconfig_generate(){
5021 shortname=${name#lib}${build_suffix}
5025 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5026 requires=${requires%, }
5027 enabled ${name#lib} || return 0
5029 cat <<EOF > $name/$name.pc
5031 exec_prefix=\${prefix}
5036 Description: $comment
5038 Requires: $(enabled shared || echo $requires)
5039 Requires.private: $(enabled shared && echo $requires)
5041 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
5042 Libs.private: $(enabled shared && echo $libs)
5043 Cflags: -I\${includedir}
5045 cat <<EOF > $name/$name-uninstalled.pc
5048 libdir=\${pcfiledir}
5049 includedir=${source_path}
5052 Description: $comment
5056 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
5057 Cflags: -I\${includedir}
5061 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
5062 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5063 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5064 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5065 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5066 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5067 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"