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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [config.log]
81 --disable-logging do not log configure debug information
82 --prefix=PREFIX install in PREFIX [$prefix_default]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --enable-rpath use rpath when linking programs (USE WITH CARE)
93 --enable-gpl allow use of GPL code, the resulting libs
94 and binaries will be under GPL [no]
95 --enable-version3 upgrade (L)GPL to version 3 [no]
96 --enable-nonfree allow use of nonfree code, the resulting libs
97 and binaries will be unredistributable [no]
99 Configuration options:
100 --disable-static do not build static libraries [no]
101 --enable-shared build shared libraries [no]
102 --enable-small optimize for size instead of speed
103 --enable-runtime-cpudetect detect CPU capabilities at runtime (bigger binary)
104 --enable-gray enable full grayscale support (slower color)
105 --disable-swscale-alpha disable alpha channel support in swscale
106 --disable-all disable building components, libraries and programs
109 --disable-programs do not build command line programs
110 --disable-avconv disable avconv build
111 --disable-avplay disable avplay build
112 --disable-avprobe disable avprobe build
113 --disable-avserver deprecated, does nothing
116 --disable-doc do not build documentation
117 --disable-pod2man do not build manual pages
118 --disable-texi2html do not build HTML documentation
119 --disable-avdevice disable libavdevice build
120 --disable-avcodec disable libavcodec build
121 --disable-avformat disable libavformat build
122 --disable-avutil disable libavutil build
123 --disable-swscale disable libswscale build
124 --disable-avfilter disable video filter support [no]
125 --disable-avresample disable libavresample build [no]
126 --disable-pthreads disable pthreads [auto]
127 --disable-w32threads disable Win32 threads [auto]
128 --disable-network disable network support [no]
129 --disable-dct disable DCT code
130 --disable-error-resilience disable error resilience code
131 --disable-lsp disable LSP code
132 --disable-lzo disable LZO decoder code
133 --disable-mdct disable MDCT code
134 --disable-rdft disable RDFT code
135 --disable-fft disable FFT code
136 --disable-faan disable floating point AAN (I)DCT code
138 Individual component options:
139 --disable-everything disable all components listed below
140 --disable-encoder=NAME disable encoder NAME
141 --enable-encoder=NAME enable encoder NAME
142 --disable-encoders disable all encoders
143 --disable-decoder=NAME disable decoder NAME
144 --enable-decoder=NAME enable decoder NAME
145 --disable-decoders disable all decoders
146 --disable-hwaccel=NAME disable hwaccel NAME
147 --enable-hwaccel=NAME enable hwaccel NAME
148 --disable-hwaccels disable all hwaccels
149 --disable-muxer=NAME disable muxer NAME
150 --enable-muxer=NAME enable muxer NAME
151 --disable-muxers disable all muxers
152 --disable-demuxer=NAME disable demuxer NAME
153 --enable-demuxer=NAME enable demuxer NAME
154 --disable-demuxers disable all demuxers
155 --enable-parser=NAME enable parser NAME
156 --disable-parser=NAME disable parser NAME
157 --disable-parsers disable all parsers
158 --enable-bsf=NAME enable bitstream filter NAME
159 --disable-bsf=NAME disable bitstream filter NAME
160 --disable-bsfs disable all bitstream filters
161 --enable-protocol=NAME enable protocol NAME
162 --disable-protocol=NAME disable protocol NAME
163 --disable-protocols disable all protocols
164 --enable-indev=NAME enable input device NAME
165 --disable-indev=NAME disable input device NAME
166 --disable-indevs disable input devices
167 --enable-outdev=NAME enable output device NAME
168 --disable-outdev=NAME disable output device NAME
169 --disable-outdevs disable output devices
170 --disable-devices disable all devices
171 --enable-filter=NAME enable filter NAME
172 --disable-filter=NAME disable filter NAME
173 --disable-filters disable all filters
175 External library support:
177 Using any of the following switches will allow Libav to link to the
178 corresponding external library. All the components depending on that library
179 will become enabled, if all their other dependencies are met and they are not
180 explicitly disabled. E.g. --enable-libwavpack will enable linking to
181 libwavpack and allow the libwavpack encoder to be built, unless it is
182 specifically disabled with --disable-encoder=libwavpack.
184 Note that only the system libraries are auto-detected. All the other external
185 libraries must be explicitly enabled.
187 Also note that the following help text describes the purpose of the libraries
188 themselves, not all their features will necessarily be usable by Libav.
190 --enable-avisynth video frameserver
191 --enable-avxsynth Linux version of AviSynth
192 --enable-bzlib bzip2 compression [autodetect]
193 --enable-frei0r video filtering plugins
194 --enable-gnutls crypto
195 --enable-libbs2b Bauer stereophonic-to-binaural DSP
196 --enable-libcdio audio CD input
197 --enable-libdc1394 IEEE 1394/Firewire camera input
198 --enable-libdcadec DCA audio decoding
199 --enable-libfaac AAC audio encoding
200 --enable-libfdk-aac AAC audio encoding/decoding
201 --enable-libfontconfig font configuration and management
202 --enable-libfreetype font rendering
203 --enable-libgsm GSM audio encoding/decoding
204 --enable-libhdcd HDCD decoding filter
205 --enable-libilbc ILBC audio encoding/decoding
206 --enable-libkvazaar HEVC video encoding
207 --enable-libmp3lame MP3 audio encoding
208 --enable-libopencore-amrnb AMR-NB audio encoding/decoding
209 --enable-libopencore-amrwb AMR-WB audio decoding
210 --enable-libopencv computer vision
211 --enable-libopenh264 H.264 video encoding/decoding
212 --enable-libopenjpeg JPEG 2000 image encoding/decoding
213 --enable-libopus Opus audio encoding/decoding
214 --enable-libpulse Pulseaudio sound server
215 --enable-librtmp RTMP streaming
216 --enable-libschroedinger Dirac video encoding/decoding
217 --enable-libsnappy snappy compression
218 --enable-libspeex Speex audio encoding/decoding
219 --enable-libtheora Theora video encoding/decoding
220 --enable-libtwolame MP2 audio encoding
221 --enable-libvo-aacenc AAC audio encoding
222 --enable-libvo-amrwbenc AMR-WB audio encoding
223 --enable-libvorbis Vorbis audio encoding/decoding
224 --enable-libvpx VP* video encoding/decoding
225 --enable-libwavpack Wavpack audio encoding/decoding
226 --enable-libwebp WebP image encoding/decoding
227 --enable-libx264 H.264 video encoding
228 --enable-libx265 HEVC video encoding
229 --enable-libxavs Chinese AVS video encoding
230 --enable-libxcb X window system protocol communication
231 --enable-libxcb-shm X11 shm communication [auto]
232 --enable-libxcb-xfixes X11 mouse rendering [auto]
233 --enable-libxvid MPEG-4 ASP video encoding
234 --enable-openssl crypto
235 --enable-zlib compression [autodetect]
237 The following libraries provide various hardware acceleration features:
238 --enable-cuda Nvidia CUDA (dynamically linked)
239 --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
240 --enable-dxva2 Microsoft DirectX 9 video acceleration [auto]
241 --enable-libmfx Intel MediaSDK (AKA Quick Sync Video)
242 --enable-libnpp Nvidia CUDA processing
243 --enable-mmal Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
244 --enable-nvenc Nvidia video encoding
245 --enable-omx OpenMAX IL
246 --enable-omx-rpi OpenMAX IL for Raspberry Pi
247 --enable-vaapi Video Acceleration API (mainly Unix/Intel)
248 --enable-vda Apple Video Decode Acceleration [auto]
249 --enable-vdpau Nvidia Video Decode and Presentation API for Unix [auto]
252 --arch=ARCH select architecture [$arch]
253 --cpu=CPU select the minimum required CPU (affects
254 instruction selection, may crash on older CPUs)
255 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
256 --enable-cross-compile assume a cross-compiler is used
257 --sysroot=PATH root of cross-build tree
258 --sysinclude=PATH location of cross-build system headers
259 --target-os=OS compiler targets OS [$target_os]
260 --target-exec=CMD command to run executables on target
261 --target-path=DIR path to view of build directory on target
262 --target-samples=DIR path to samples directory on target
263 --toolchain=NAME set tool defaults according to NAME
265 --ar=AR use archive tool AR [$ar_default]
266 --as=AS use assembler AS [$as_default]
267 --cc=CC use C compiler CC [$cc_default]
268 --objcc=OCC use ObjC compiler OCC [$cc_default]
269 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
270 --ld=LD use linker LD
271 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
272 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
273 --host-cc=HOSTCC use host C compiler HOSTCC
274 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
275 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
276 --host-ld=HOSTLD use host linker HOSTLD
277 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
278 --host-libs=HLIBS use libs HLIBS when linking for host
279 --host-os=OS compiler host OS [$target_os]
280 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
281 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
282 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
283 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
284 --extra-libs=ELIBS add ELIBS [$ELIBS]
285 --extra-version=STRING version string suffix []
286 --optflags=OPTFLAGS override optimization-related compiler flags
287 --enable-pic build position-independent code
288 --enable-thumb compile for Thumb instruction set
289 --enable-lto use link-time optimization
290 --env="ENV=override" override the environment variables
292 Advanced options (experts only):
293 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
294 --custom-allocator=NAME use a supported custom allocator
295 --disable-symver disable symbol versioning
296 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
297 --disable-safe-bitstream-reader
298 disable buffer boundary checking in bitreaders
299 (faster, but may crash)
300 --enable-sram allow use of on-chip SRAM
302 Optimization options (experts only):
303 --disable-asm disable all assembly optimizations
304 --disable-altivec disable AltiVec optimizations
305 --disable-vsx disable VSX optimizations
306 --disable-power8 disable POWER8 optimizations
307 --disable-amd3dnow disable 3DNow! optimizations
308 --disable-amd3dnowext disable 3DNow! extended optimizations
309 --disable-mmx disable MMX optimizations
310 --disable-mmxext disable MMXEXT optimizations
311 --disable-sse disable SSE optimizations
312 --disable-sse2 disable SSE2 optimizations
313 --disable-sse3 disable SSE3 optimizations
314 --disable-ssse3 disable SSSE3 optimizations
315 --disable-sse4 disable SSE4 optimizations
316 --disable-sse42 disable SSE4.2 optimizations
317 --disable-avx disable AVX optimizations
318 --disable-xop disable XOP optimizations
319 --disable-fma3 disable FMA3 optimizations
320 --disable-fma4 disable FMA4 optimizations
321 --disable-avx2 disable AVX2 optimizations
322 --disable-armv5te disable armv5te optimizations
323 --disable-armv6 disable armv6 optimizations
324 --disable-armv6t2 disable armv6t2 optimizations
325 --disable-vfp disable VFP optimizations
326 --disable-neon disable NEON optimizations
327 --disable-inline-asm disable use of inline assembly
328 --disable-yasm disable use of nasm/yasm assembly
330 Developer options (useful when working on Libav itself):
331 --disable-debug disable debugging symbols
332 --enable-debug=LEVEL set the debug level [$debuglevel]
333 --disable-optimizations disable compiler optimizations
334 --enable-extra-warnings enable more compiler warnings
335 --samples=PATH location of test samples for FATE, if not set use
336 \$LIBAV_SAMPLES at make invocation time.
337 --enable-neon-clobber-test check NEON registers for clobbering (should be
338 used only for debugging purposes)
339 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
340 should be used only for debugging purposes)
341 --enable-random randomly enable/disable components
343 --enable-random=LIST randomly enable/disable specific components or
344 --disable-random=LIST component groups. LIST is a comma-separated list
345 of NAME[:PROB] entries where NAME is a component
346 (group) and PROB the probability associated with
348 --random-seed=VALUE seed value for --enable/disable-random
349 --disable-valgrind-backtrace do not print a backtrace under Valgrind
350 (only applies to --disable-optimizations builds)
352 NOTE: Object files are built at the place where configure is launched.
360 echo "$@" >> $logfile
367 printf '%5s %s\n' "${i}" "${line}"
369 done < $1 >> $logfile
380 WARNINGS="${WARNINGS}WARNING: $*\n"
387 If you think configure made a mistake, make sure you are using the latest
388 version from Git. If the latest version fails, report the problem to the
389 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
391 if disabled logging; then
393 Rerun configure with logging enabled (do not use --disable-logging), and
394 include the log this produces with your report.
398 Include the log file "$logfile" produced by configure as this will help
405 # Avoid locale weirdness, besides we really just want to translate ASCII.
407 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
411 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
415 echo "$*" | sed 's/["\\]/\\\0/g'
419 v=$(echo "$1" | sed "s/'/'\\\\''/g")
420 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
425 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
432 eval "case $v in $pat) printf '%s ' $v ;; esac"
440 eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
447 for v; do eval $m; done
453 for v; do echo ${v}${suffix}; done
468 eval : \${$var:=$value}
473 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
479 eval $(sanitize_var_name "$var")='$*'
483 eval echo \$$(sanitize_var_name "$1")
488 eval level=\${${pvar}_level:=0}
489 eval ${pvar}_${level}="\$$pvar"
490 eval ${pvar}_level=$(($level+1))
496 eval level=\${${pvar}_level:-0}
497 test $level = 0 && continue
498 eval level=$(($level-1))
499 eval $pvar="\${${pvar}_${level}}"
500 eval ${pvar}_level=$level
501 eval unset ${pvar}_${level}
523 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
529 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
535 enabled $var && continue
536 eval sel="\$${var}_select"
537 eval sgs="\$${var}_suggest"
541 enable_deep_weak $sgs
553 disabled $var && continue
562 test "${1#!}" = "$1" && op== || op=!=
563 eval test "x\$${1#!}" $op "xyes"
567 test "${1#!}" = "$1" && op== || op=!=
568 eval test "x\$${1#!}" $op "xno"
573 enabled $opt || return 1
579 disabled $opt || return 1
585 enabled $opt && return 0
591 disabled $opt && return 0
598 eval : \${$opt:=\$${opt}_default}
606 [ $var = $value ] && return 0
614 enabled ${cfg}_checking && die "Circular dependency for $cfg."
615 disabled ${cfg}_checking && continue
616 enable ${cfg}_checking
619 eval dep_all="\$${cfg}_deps"
620 eval dep_any="\$${cfg}_deps_any"
621 eval dep_sel="\$${cfg}_select"
622 eval dep_sgs="\$${cfg}_suggest"
623 eval dep_ifa="\$${cfg}_if"
624 eval dep_ifn="\$${cfg}_if_any"
626 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
627 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
628 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
630 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
631 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
632 enabled_all $dep_all || disable $cfg
633 enabled_any $dep_any || disable $cfg
634 disabled_any $dep_sel && disable $cfg
636 if enabled $cfg; then
638 enable_deep_weak $dep_sgs
641 disable ${cfg}_checking
650 for cfg in $allopts; do
651 enabled $cfg || continue
652 eval dep_extralibs="\$${cfg}_extralibs"
653 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
661 map 'eval echo "$v \${$v:-no}"' "$@" |
662 awk "BEGIN { split(\"$files\", files) }
664 c = \"$pfx\" toupper(\$1);
670 if (file ~ /\\.h\$/) {
671 printf(\"#define %s %d\\n\", c, v) >>file;
672 } else if (file ~ /\\.asm\$/) {
673 printf(\"%%define %s %d\\n\", c, v) >>file;
674 } else if (file ~ /\\.mak\$/) {
675 n = -v ? \"\" : \"!\";
676 printf(\"%s%s=yes\\n\", n, c) >>file;
686 enabled $v && printf "%s\n" ${v%$suf}
693 eval "$var=\"\$$var $*\""
699 eval "$var=\"$* \$$var\""
705 for tok in $(eval echo \$$var); do
706 uniq_list="$(filter_out $tok $uniq_list) $tok"
708 eval "$var=\"${uniq_list}\""
716 append CFLAGS $($cflags_filter "$@")
719 add_cflags_headers(){
720 append CFLAGS_HEADERS $($cflags_filter "$@")
724 append ASFLAGS $($asflags_filter "$@")
728 append OBJCFLAGS $($objcflags_filter "$@")
732 append LDFLAGS $($ldflags_filter "$@")
736 append LDEXEFLAGS $($ldflags_filter "$@")
740 append STRIPFLAGS "$@"
744 prepend extralibs $($ldflags_filter "$@")
748 append host_cppflags "$@"
752 append host_cflags $($host_cflags_filter "$@")
756 append host_ldflags $($host_ldflags_filter "$@")
760 append compat_objs $1
762 map 'add_cppflags -D$v' "$@"
767 "$@" >> $logfile 2>&1
771 eval printf '%s\\n' $CC_O
775 eval printf '%s\\n' $CC_E
782 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
789 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
796 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
800 eval printf '%s\\n' $AS_O
807 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
811 log check_inline_asm "$@"
816 check_cc "$@" <<EOF && enable $name
817 void foo(void){ __asm__ volatile($code); }
823 check_inline_asm ${1}_inline "\"$2\""
824 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
832 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
836 eval printf '%s\\n' $LD_O
841 flags=$(filter_out '-l*' "$@")
842 libs=$(filter '-l*' "$@")
843 check_cc $($cflags_filter $flags) || return
844 flags=$($ldflags_filter $flags)
845 libs=$($ldflags_filter $libs)
846 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
851 test "${hdr%.h}" = "${hdr}" &&
852 echo "#include $hdr" ||
853 echo "#include <$hdr>"
863 for hdr in $headers; do
866 echo "int main(void) { $code; return 0; }"
867 } | check_$check "$@"
871 log check_cppflags "$@"
872 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
879 set -- $($cflags_filter "$@")
886 log check_cflags "$@"
887 test_cflags "$@" && add_cflags "$@"
891 log test_objcflags "$@"
892 set -- $($objcflags_filter "$@")
893 check_objcc "$@" <<EOF
899 log check_objcflags "$@"
900 test_objcflags "$@" && add_objcflags "$@"
904 log test_ldflags "$@"
906 int main(void){ return 0; }
911 log check_ldflags "$@"
912 test_ldflags "$@" && add_ldflags "$@"
916 log test_stripflags "$@"
917 # call check_cc to get a fresh TMPO
919 int main(void) { return 0; }
921 check_cmd $strip $STRIPFLAGS "$@" $TMPO
925 log check_stripflags "$@"
926 test_stripflags "$@" && add_stripflags "$@"
930 log check_header "$@"
934 check_cpp "$@" <<EOF && enable_safe $header
945 check_ld "$@" <<EOF && enable $func
947 int main(void){ $func(); }
952 log check_mathfunc "$@"
956 test $narg = 2 && args="f, g" || args="f"
958 check_ld "$@" <<EOF && enable $func
960 float foo(float f, float g) { return $func($args); }
961 int main(void){ return 0; }
965 check_func_headers(){
966 log check_func_headers "$@"
971 for hdr in $headers; do
974 for func in $funcs; do
975 echo "long check_$func(void) { return (long) $func; }"
977 echo "int main(void) { return 0; }"
978 } | check_ld "$@" && enable $funcs && enable_safe $headers
981 check_cpp_condition(){
982 log check_cpp_condition "$@"
989 #error "unsatisfied condition: $condition"
995 log test_cflags_cpp "$@"
999 set -- $($cflags_filter "$flags")
1000 check_cpp "$@" <<EOF
1002 #error "unsatisfied condition: $condition"
1012 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1016 log check_pkg_config "$@"
1022 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1023 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1024 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1025 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1026 set_safe "${pkg}_cflags" $pkg_cflags &&
1027 set_safe "${pkg}_libs" $pkg_libs
1031 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1035 log check_exec_crash "$@"
1038 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1039 # are safe but may not be available everywhere. Thus we use
1040 # raise(SIGTERM) instead. The check is run in a subshell so we
1041 # can redirect the "Terminated" message from the shell. SIGBUS
1042 # is not defined by standard C so it is used conditionally.
1044 (check_exec "$@") >> $logfile 2>&1 <<EOF
1046 static void sighandler(int sig){
1052 int (*func_ptr)(void) = foo;
1054 signal(SIGILL, sighandler);
1055 signal(SIGFPE, sighandler);
1056 signal(SIGSEGV, sighandler);
1058 signal(SIGBUS, sighandler);
1070 disable_safe "$type"
1071 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1075 log check_struct "$@"
1080 disable_safe "${struct}_${member}"
1081 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1082 enable_safe "${struct}_${member}"
1086 log check_builtin "$@"
1092 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1095 check_compile_assert(){
1096 log check_compile_assert "$@"
1102 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1111 check_lib "$headers" $func "$@" || die "ERROR: $name_version not found"
1114 require_pkg_config(){
1115 log require_pkg_config "$@"
1118 check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1119 add_cflags $(get_safe "${pkg}_cflags")
1120 add_extralibs $(get_safe "${pkg}_libs")
1124 eval printf '%s\\n' $HOSTCC_E
1128 eval printf '%s\\n' $HOSTCC_O
1132 log check_host_cc "$@"
1135 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1139 log check_host_cpp "$@"
1142 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1145 check_host_cppflags(){
1146 log check_host_cppflags "$@"
1147 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1152 check_host_cflags(){
1153 log check_host_cflags "$@"
1154 set -- $($host_cflags_filter "$@")
1155 check_host_cc "$@" <<EOF && append host_cflags "$@"
1160 check_host_cpp_condition(){
1161 log check_host_cpp_condition "$@"
1165 check_host_cpp "$@" <<EOF
1168 #error "unsatisfied condition: $condition"
1176 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1180 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1181 mkdir -p "$(dirname $2)"
1185 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1186 # system-dependent things.
1188 AVCODEC_COMPONENTS="
1196 AVDEVICE_COMPONENTS="
1200 AVFILTER_COMPONENTS="
1203 AVFORMAT_COMPONENTS="
1209 AVRESAMPLE_COMPONENTS=""
1210 AVUTIL_COMPONENTS=""
1214 $AVDEVICE_COMPONENTS
1215 $AVFILTER_COMPONENTS
1216 $AVFORMAT_COMPONENTS
1217 $AVRESAMPLE_COMPONENTS
1222 decode_audio_example
1223 decode_video_example
1224 encode_audio_example
1225 encode_video_example
1226 filter_audio_example
1230 transcode_aac_example
1233 HWACCEL_LIBRARY_NONFREE_LIST="
1237 HWACCEL_LIBRARY_LIST="
1238 $HWACCEL_LIBRARY_NONFREE_LIST
1250 EXTERNAL_LIBRARY_GPL_LIST="
1258 EXTERNAL_LIBRARY_NONFREE_LIST="
1264 EXTERNAL_LIBRARY_VERSION3_LIST="
1271 EXTERNAL_LIBRARY_LIST="
1272 $EXTERNAL_LIBRARY_GPL_LIST
1273 $EXTERNAL_LIBRARY_NONFREE_LIST
1274 $EXTERNAL_LIBRARY_VERSION3_LIST
1316 safe_bitstream_reader
1359 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1362 $EXTERNAL_LIBRARY_LIST
1363 $HWACCEL_LIBRARY_LIST
1427 ARCH_EXT_LIST_X86_SIMD="
1455 $ARCH_EXT_LIST_X86_SIMD
1460 ARCH_EXT_LIST_MIPS="
1497 sync_val_compare_and_swap
1511 AVFoundation_AVFoundation_h
1516 cdio_paranoia_paranoia_h
1518 dev_bktr_ioctl_bt848_h
1519 dev_bktr_ioctl_meteor_h
1521 dev_video_bktr_ioctl_bt848_h
1522 dev_video_meteor_ioctl_meteor_h
1530 machine_ioctl_bt848_h
1531 machine_ioctl_meteor_h
1596 GetProcessAffinityMask
1597 GetProcessMemoryInfo
1600 GetSystemTimeAsFileTime
1605 jack_port_get_latency_range
1617 SetConsoleTextAttribute
1628 TOOLCHAIN_FEATURES="
1650 CONDITION_VARIABLE_Ptr
1653 struct_group_source_req
1654 struct_ip_mreq_source
1657 struct_rusage_ru_maxrss
1659 struct_sockaddr_sa_len
1660 struct_sockaddr_storage
1661 struct_v4l2_frmivalenum_discrete
1666 $(add_suffix _external $ARCH_EXT_LIST)
1667 $(add_suffix _inline $ARCH_EXT_LIST)
1682 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1691 # options emitted with CONFIG_ prefix but not available on the command line
1837 # code dependency declarations
1839 # architecture extensions
1844 armv8_deps="aarch64"
1845 neon_deps_any="aarch64 arm"
1846 intrinsics_neon_deps="neon"
1847 vfp_deps_any="aarch64 arm"
1850 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1858 x86_64_select="i686"
1859 x86_64_suggest="fast_cmov"
1862 amd3dnowext_deps="amd3dnow"
1878 mmx_external_deps="yasm"
1879 mmx_inline_deps="inline_asm"
1880 mmx_suggest="mmx_external mmx_inline"
1882 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1883 eval dep=\$${ext}_deps
1884 eval ${ext}_external_deps='"${dep}_external"'
1885 eval ${ext}_inline_deps='"${dep}_inline"'
1886 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1889 aligned_stack_if_any="aarch64 ppc x86"
1890 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1891 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1892 fast_unaligned_if_any="aarch64 ppc x86"
1893 simd_align_16_if_any="altivec neon sse"
1894 simd_align_32_if_any="avx"
1896 # system capabilities
1897 symver_if_any="symver_asm_label symver_gnu_asm"
1898 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1901 atomics_gcc_if="sync_val_compare_and_swap"
1902 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1903 atomics_win32_if="MemoryBarrier"
1904 atomics_native_if_any="$ATOMICS_LIST"
1905 w32threads_deps="atomics_native"
1906 threads_if_any="$THREADS_LIST"
1910 dirac_parse_select="golomb"
1911 error_resilience_select="me_cmp"
1912 faandct_deps="faan fdctdsp"
1913 faanidct_deps="faan idctdsp"
1914 h264dsp_select="startcode"
1915 intrax8_select="blockdsp idctdsp"
1918 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1919 mpeg_er_select="error_resilience"
1920 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1921 mpegaudiodsp_select="dct"
1922 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1923 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1924 vc1dsp_select="h264chroma qpeldsp startcode"
1926 # decoders / encoders
1927 aac_decoder_select="imdct15 mdct sinewin"
1928 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1929 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1930 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1931 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1932 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1933 adpcm_g722_decoder_select="g722dsp"
1934 adpcm_g722_encoder_select="g722dsp"
1935 aic_decoder_select="golomb idctdsp"
1936 alac_encoder_select="lpc"
1937 als_decoder_select="bswapdsp"
1938 amrnb_decoder_select="lsp"
1939 amrwb_decoder_select="lsp"
1940 amv_decoder_select="sp5x_decoder"
1941 ape_decoder_select="bswapdsp"
1942 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1943 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1944 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1945 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1946 atrac1_decoder_select="mdct sinewin"
1947 atrac3_decoder_select="mdct"
1948 atrac3p_decoder_select="mdct sinewin"
1949 bink_decoder_select="blockdsp hpeldsp"
1950 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1951 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1952 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1953 cllc_decoder_select="bswapdsp"
1954 comfortnoise_encoder_select="lpc"
1955 cook_decoder_select="audiodsp mdct sinewin"
1956 cscd_decoder_select="lzo"
1957 cscd_decoder_suggest="zlib"
1958 dca_decoder_select="fmtconvert mdct"
1959 dds_decoder_select="texturedsp"
1960 dnxhd_decoder_select="blockdsp idctdsp"
1961 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1962 dvvideo_decoder_select="dvprofile idctdsp"
1963 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1964 dxa_decoder_deps="zlib"
1965 dxv_decoder_select="lzf texturedsp"
1966 eac3_decoder_select="ac3_decoder"
1967 eac3_encoder_select="ac3_encoder"
1968 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1969 eatgq_decoder_select="aandcttables idctdsp"
1970 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
1971 exr_decoder_deps="zlib"
1972 ffv1_decoder_select="golomb rangecoder"
1973 ffv1_encoder_select="rangecoder"
1974 ffvhuff_decoder_select="huffyuv_decoder"
1975 ffvhuff_encoder_select="huffyuv_encoder"
1976 fic_decoder_select="golomb"
1977 flac_decoder_select="flacdsp golomb"
1978 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1979 flashsv_decoder_deps="zlib"
1980 flashsv_encoder_deps="zlib"
1981 flashsv2_decoder_deps="zlib"
1982 flv_decoder_select="h263_decoder"
1983 flv_encoder_select="h263_encoder"
1984 fourxm_decoder_select="blockdsp bswapdsp"
1985 fraps_decoder_select="bswapdsp huffman"
1986 g2m_decoder_deps="zlib"
1987 g2m_decoder_select="blockdsp idctdsp jpegtables"
1988 h261_decoder_select="mpeg_er mpegvideo"
1989 h261_encoder_select="aandcttables mpegvideoenc"
1990 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1991 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1992 h263i_decoder_select="h263_decoder"
1993 h263p_encoder_select="h263_encoder"
1994 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
1995 h264_decoder_suggest="error_resilience"
1996 hap_decoder_select="snappy texturedsp"
1997 hap_encoder_deps="libsnappy"
1998 hap_encoder_select="texturedspenc"
1999 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2000 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2001 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2002 iac_decoder_select="imc_decoder"
2003 imc_decoder_select="bswapdsp fft mdct sinewin"
2004 indeo3_decoder_select="hpeldsp"
2005 indeo4_decoder_select="ividsp"
2006 indeo5_decoder_select="ividsp"
2007 interplay_video_decoder_select="hpeldsp"
2008 jpegls_decoder_select="golomb mjpeg_decoder"
2009 jpegls_encoder_select="golomb"
2010 jv_decoder_select="blockdsp"
2011 lagarith_decoder_select="huffyuvdsp"
2012 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2013 loco_decoder_select="golomb"
2014 magicyuv_decoder_select="huffyuvdsp"
2015 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2016 metasound_decoder_select="lsp mdct sinewin"
2017 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2018 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2019 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2020 mjpegb_decoder_select="mjpeg_decoder"
2021 mlp_decoder_select="mlp_parser"
2022 motionpixels_decoder_select="bswapdsp"
2023 mp1_decoder_select="mpegaudio"
2024 mp1float_decoder_select="mpegaudio"
2025 mp2_decoder_select="mpegaudio"
2026 mp2float_decoder_select="mpegaudio"
2027 mp3_decoder_select="mpegaudio"
2028 mp3adu_decoder_select="mpegaudio"
2029 mp3adufloat_decoder_select="mpegaudio"
2030 mp3float_decoder_select="mpegaudio"
2031 mp3on4_decoder_select="mpegaudio"
2032 mp3on4float_decoder_select="mpegaudio"
2033 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2034 mpc8_decoder_select="mpegaudiodsp"
2035 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2036 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2037 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2038 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2039 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2040 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2041 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2042 mpeg4_encoder_select="h263_encoder"
2043 msa1_decoder_select="mss34dsp"
2044 msmpeg4v1_decoder_select="h263_decoder"
2045 msmpeg4v2_decoder_select="h263_decoder"
2046 msmpeg4v2_encoder_select="h263_encoder"
2047 msmpeg4v3_decoder_select="h263_decoder"
2048 msmpeg4v3_encoder_select="h263_encoder"
2049 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2050 mts2_decoder_select="mss34dsp"
2051 mxpeg_decoder_select="mjpeg_decoder"
2052 nellymoser_decoder_select="mdct sinewin"
2053 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2054 nuv_decoder_select="idctdsp lzo"
2055 on2avc_decoder_select="mdct"
2056 opus_decoder_deps="avresample"
2057 opus_decoder_select="imdct15"
2058 png_decoder_deps="zlib"
2059 png_encoder_deps="zlib"
2060 png_encoder_select="huffyuvencdsp"
2061 prores_decoder_select="idctdsp"
2062 prores_encoder_select="fdctdsp"
2063 qcelp_decoder_select="lsp"
2064 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2065 ra_144_encoder_select="audio_frame_queue lpc"
2066 ralf_decoder_select="golomb"
2067 rscc_decoder_deps="zlib"
2068 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2069 rv10_encoder_select="h263_encoder"
2070 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2071 rv20_encoder_select="h263_encoder"
2072 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2073 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2074 screenpresso_decoder_deps="zlib"
2075 shorten_decoder_select="golomb"
2076 sipr_decoder_select="lsp"
2077 sp5x_decoder_select="mjpeg_decoder"
2078 svq1_decoder_select="hpeldsp"
2079 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2080 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2081 svq3_decoder_suggest="zlib"
2082 tak_decoder_select="audiodsp"
2083 tdsc_decoder_deps="zlib"
2084 tdsc_decoder_select="mjpeg_decoder"
2085 theora_decoder_select="vp3_decoder"
2086 thp_decoder_select="mjpeg_decoder"
2087 tiff_decoder_suggest="zlib"
2088 tiff_encoder_suggest="zlib"
2089 truehd_decoder_select="mlp_decoder"
2090 truemotion2_decoder_select="bswapdsp"
2091 truespeech_decoder_select="bswapdsp"
2092 tscc_decoder_deps="zlib"
2093 txd_decoder_select="texturedsp"
2094 twinvq_decoder_select="mdct lsp sinewin"
2095 utvideo_decoder_select="bswapdsp"
2096 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2097 vble_decoder_select="huffyuvdsp"
2098 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2099 vc1image_decoder_select="vc1_decoder"
2100 vorbis_decoder_select="mdct"
2101 vorbis_encoder_select="mdct"
2102 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2103 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2104 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2105 vp6a_decoder_select="vp6_decoder"
2106 vp6f_decoder_select="vp6_decoder"
2107 vp7_decoder_select="h264pred videodsp vp8dsp"
2108 vp8_decoder_select="h264pred videodsp vp8dsp"
2109 vp9_decoder_select="videodsp"
2110 webp_decoder_select="vp8_decoder"
2111 wmapro_decoder_select="mdct sinewin wma_freqs"
2112 wmav1_decoder_select="mdct sinewin wma_freqs"
2113 wmav1_encoder_select="mdct sinewin wma_freqs"
2114 wmav2_decoder_select="mdct sinewin wma_freqs"
2115 wmav2_encoder_select="mdct sinewin wma_freqs"
2116 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2117 wmv1_decoder_select="h263_decoder"
2118 wmv1_encoder_select="h263_encoder"
2119 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2120 wmv2_encoder_select="h263_encoder wmv2dsp"
2121 wmv3_decoder_select="vc1_decoder"
2122 wmv3image_decoder_select="wmv3_decoder"
2123 zerocodec_decoder_deps="zlib"
2124 zlib_decoder_deps="zlib"
2125 zlib_encoder_deps="zlib"
2126 zmbv_decoder_deps="zlib"
2127 zmbv_encoder_deps="zlib"
2129 # hardware accelerators
2130 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2131 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2132 vaapi_deps="va_va_h"
2133 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2134 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2135 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2137 h263_vaapi_hwaccel_deps="vaapi"
2138 h263_vaapi_hwaccel_select="h263_decoder"
2139 h264_d3d11va_hwaccel_deps="d3d11va"
2140 h264_d3d11va_hwaccel_select="h264_decoder"
2141 h264_dxva2_hwaccel_deps="dxva2"
2142 h264_dxva2_hwaccel_select="h264_decoder"
2143 h264_mmal_hwaccel_deps="mmal"
2144 h264_qsv_hwaccel_deps="libmfx"
2145 h264_vaapi_hwaccel_deps="vaapi"
2146 h264_vaapi_hwaccel_select="h264_decoder"
2147 h264_vda_hwaccel_deps="vda"
2148 h264_vda_hwaccel_select="h264_decoder"
2149 h264_vda_old_hwaccel_deps="vda"
2150 h264_vda_old_hwaccel_select="h264_decoder"
2151 h264_vdpau_hwaccel_deps="vdpau"
2152 h264_vdpau_hwaccel_select="h264_decoder"
2153 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2154 hevc_d3d11va_hwaccel_select="hevc_decoder"
2155 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2156 hevc_dxva2_hwaccel_select="hevc_decoder"
2157 hevc_qsv_hwaccel_deps="libmfx"
2158 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2159 hevc_vdpau_hwaccel_select="hevc_decoder"
2160 mpeg1_vdpau_hwaccel_deps="vdpau"
2161 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2162 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2163 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2164 mpeg2_dxva2_hwaccel_deps="dxva2"
2165 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2166 mpeg2_mmal_hwaccel_deps="mmal"
2167 mpeg2_qsv_hwaccel_deps="libmfx"
2168 mpeg2_vaapi_hwaccel_deps="vaapi"
2169 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2170 mpeg2_vdpau_hwaccel_deps="vdpau"
2171 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2172 mpeg4_vaapi_hwaccel_deps="vaapi"
2173 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2174 mpeg4_vdpau_hwaccel_deps="vdpau"
2175 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2176 vc1_d3d11va_hwaccel_deps="d3d11va"
2177 vc1_d3d11va_hwaccel_select="vc1_decoder"
2178 vc1_dxva2_hwaccel_deps="dxva2"
2179 vc1_dxva2_hwaccel_select="vc1_decoder"
2180 vc1_mmal_hwaccel_deps="mmal"
2181 vc1_qsv_hwaccel_deps="libmfx"
2182 vc1_vaapi_hwaccel_deps="vaapi"
2183 vc1_vaapi_hwaccel_select="vc1_decoder"
2184 vc1_vdpau_hwaccel_deps="vdpau"
2185 vc1_vdpau_hwaccel_select="vc1_decoder"
2186 vp8_qsv_hwaccel_deps="libmfx"
2187 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2188 vp8_vaapi_hwaccel_select="vp8_decoder"
2189 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2190 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2191 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2192 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2194 # hardware-accelerated codecs
2195 nvenc_deps_any="dlopen LoadLibrary"
2196 nvenc_extralibs='$ldl'
2197 omx_deps="dlopen pthreads"
2198 omx_extralibs='$ldl'
2199 omx_rpi_select="omx"
2202 vaapi_encode_deps="vaapi"
2204 hwupload_cuda_filter_deps="cuda"
2205 scale_npp_filter_deps="cuda libnpp"
2207 h264_mmal_decoder_deps="mmal"
2208 h264_nvenc_encoder_deps="nvenc"
2209 h264_omx_encoder_deps="omx"
2210 h264_qsv_decoder_deps="libmfx"
2211 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2212 h264_qsv_encoder_deps="libmfx"
2213 h264_qsv_encoder_select="qsvenc"
2214 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2215 h264_vaapi_encoder_select="vaapi_encode golomb"
2216 hevc_nvenc_encoder_deps="nvenc"
2217 hevc_qsv_decoder_deps="libmfx"
2218 hevc_qsv_encoder_deps="libmfx"
2219 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2220 hevc_qsv_encoder_select="qsvenc"
2221 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2222 hevc_vaapi_encoder_select="vaapi_encode golomb"
2223 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2224 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2225 mpeg2_mmal_decoder_deps="mmal"
2226 mpeg2_qsv_decoder_deps="libmfx"
2227 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2228 mpeg2_qsv_encoder_deps="libmfx"
2229 mpeg2_qsv_encoder_select="qsvenc"
2230 mpeg4_omx_encoder_deps="omx"
2231 vc1_mmal_decoder_deps="mmal"
2232 vc1_qsv_decoder_deps="libmfx"
2233 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2234 vp8_qsv_decoder_deps="libmfx"
2235 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2237 nvenc_h264_encoder_deps="nvenc"
2238 nvenc_hevc_encoder_deps="nvenc"
2241 h264_parser_select="golomb h264dsp h264parse"
2242 hevc_parser_select="golomb"
2243 mpegaudio_parser_select="mpegaudioheader"
2244 mpegvideo_parser_select="mpegvideo"
2245 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2246 vc1_parser_select="vc1dsp"
2249 mjpeg2jpeg_bsf_select="jpegtables"
2251 # external libraries
2252 avisynth_deps="LoadLibrary"
2253 avxsynth_deps="dlopen"
2254 avisynth_demuxer_deps_any="avisynth avxsynth"
2255 avisynth_demuxer_select="riffdec"
2256 libdcadec_decoder_deps="libdcadec"
2257 libfaac_encoder_deps="libfaac"
2258 libfaac_encoder_select="audio_frame_queue"
2259 libfdk_aac_decoder_deps="libfdk_aac"
2260 libfdk_aac_encoder_deps="libfdk_aac"
2261 libfdk_aac_encoder_select="audio_frame_queue"
2262 libgsm_decoder_deps="libgsm"
2263 libgsm_encoder_deps="libgsm"
2264 libgsm_ms_decoder_deps="libgsm"
2265 libgsm_ms_encoder_deps="libgsm"
2266 libilbc_decoder_deps="libilbc"
2267 libilbc_encoder_deps="libilbc"
2268 libkvazaar_encoder_deps="libkvazaar"
2269 libmp3lame_encoder_deps="libmp3lame"
2270 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2271 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2272 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2273 libopencore_amrnb_encoder_select="audio_frame_queue"
2274 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2275 libopenh264_decoder_deps="libopenh264"
2276 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2277 libopenh264_encoder_deps="libopenh264"
2278 libopenjpeg_decoder_deps="libopenjpeg"
2279 libopenjpeg_encoder_deps="libopenjpeg"
2280 libopus_decoder_deps="libopus"
2281 libopus_encoder_deps="libopus"
2282 libopus_encoder_select="audio_frame_queue"
2283 libschroedinger_decoder_deps="libschroedinger"
2284 libschroedinger_encoder_deps="libschroedinger"
2285 libspeex_decoder_deps="libspeex"
2286 libspeex_encoder_deps="libspeex"
2287 libspeex_encoder_select="audio_frame_queue"
2288 libtheora_encoder_deps="libtheora"
2289 libtwolame_encoder_deps="libtwolame"
2290 libvo_aacenc_encoder_deps="libvo_aacenc"
2291 libvo_aacenc_encoder_select="audio_frame_queue"
2292 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2293 libvorbis_encoder_deps="libvorbis"
2294 libvorbis_encoder_select="audio_frame_queue"
2295 libvpx_vp8_decoder_deps="libvpx"
2296 libvpx_vp8_encoder_deps="libvpx"
2297 libvpx_vp9_decoder_deps="libvpx"
2298 libvpx_vp9_encoder_deps="libvpx"
2299 libwavpack_encoder_deps="libwavpack"
2300 libwavpack_encoder_select="audio_frame_queue"
2301 libwebp_encoder_deps="libwebp"
2302 libx262_encoder_deps="libx262"
2303 libx264_encoder_deps="libx264"
2304 libx265_encoder_deps="libx265"
2305 libxavs_encoder_deps="libxavs"
2306 libxvid_encoder_deps="libxvid mkstemp"
2309 ac3_demuxer_select="ac3_parser"
2310 asf_demuxer_select="riffdec"
2311 asf_muxer_select="riffenc"
2312 asf_stream_muxer_select="asf_muxer"
2313 avi_demuxer_select="iso_media riffdec"
2314 avi_muxer_select="riffenc"
2315 caf_demuxer_select="iso_media riffdec"
2316 dash_muxer_select="mp4_muxer"
2317 dirac_demuxer_select="dirac_parser"
2318 dv_demuxer_select="dvprofile"
2319 dv_muxer_select="dvprofile"
2320 dxa_demuxer_select="riffdec"
2321 eac3_demuxer_select="ac3_parser"
2322 f4v_muxer_select="mov_muxer"
2323 flac_demuxer_select="flac_parser"
2324 hds_muxer_select="flv_muxer"
2325 hls_muxer_select="mpegts_muxer"
2326 ipod_muxer_select="mov_muxer"
2327 ismv_muxer_select="mov_muxer"
2328 matroska_audio_muxer_select="matroska_muxer"
2329 matroska_demuxer_select="iso_media riffdec"
2330 matroska_demuxer_suggest="bzlib lzo zlib"
2331 matroska_muxer_select="iso_media riffenc"
2332 mmf_muxer_select="riffenc"
2333 mov_demuxer_select="iso_media riffdec"
2334 mov_demuxer_suggest="zlib"
2335 mov_muxer_select="iso_media riffenc rtpenc_chain"
2336 mp3_demuxer_select="mpegaudio_parser"
2337 mp3_muxer_select="mpegaudioheader"
2338 mp4_muxer_select="mov_muxer"
2339 mpegts_demuxer_select="iso_media"
2340 mpegts_muxer_select="adts_muxer latm_muxer"
2341 mpegtsraw_demuxer_select="mpegts_demuxer"
2342 mxf_d10_muxer_select="mxf_muxer"
2343 nut_muxer_select="riffenc"
2344 nuv_demuxer_select="riffdec"
2345 oga_muxer_select="ogg_muxer"
2346 ogg_demuxer_select="dirac_parse"
2347 opus_muxer_select="ogg_muxer"
2348 psp_muxer_select="mov_muxer"
2349 rtp_demuxer_select="sdp_demuxer"
2350 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2351 rtsp_demuxer_select="http_protocol rtpdec"
2352 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2353 sap_demuxer_select="sdp_demuxer"
2354 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2355 sdp_demuxer_select="rtpdec"
2356 smoothstreaming_muxer_select="ismv_muxer"
2357 spdif_muxer_select="aac_parser"
2358 spx_muxer_select="ogg_muxer"
2359 swf_demuxer_suggest="zlib"
2360 tak_demuxer_select="tak_parser"
2361 tg2_muxer_select="mov_muxer"
2362 tgp_muxer_select="mov_muxer"
2363 w64_demuxer_select="wav_demuxer"
2364 wav_demuxer_select="riffdec"
2365 wav_muxer_select="riffenc"
2366 webm_muxer_select="iso_media riffenc"
2367 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2368 wtv_demuxer_select="mpegts_demuxer riffdec"
2369 xmv_demuxer_select="riffdec"
2370 xwma_demuxer_select="riffdec"
2373 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2374 alsa_outdev_deps="alsa_asoundlib_h"
2375 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2376 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2377 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2378 dv1394_indev_deps="dv1394"
2379 dv1394_indev_select="dv_demuxer"
2380 fbdev_indev_deps="linux_fb_h"
2381 jack_indev_deps="jack_jack_h"
2382 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2383 libcdio_indev_deps="libcdio"
2384 libdc1394_indev_deps="libdc1394"
2385 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2386 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2387 pulse_indev_deps="libpulse"
2388 sndio_indev_deps="sndio_h"
2389 sndio_outdev_deps="sndio_h"
2390 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2391 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2392 vfwcap_indev_extralibs="-lavicap32"
2393 xcbgrab_indev_deps="libxcb"
2396 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2397 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2398 ffrtmpcrypt_protocol_select="tcp_protocol"
2399 ffrtmphttp_protocol_deps="!librtmp_protocol"
2400 ffrtmphttp_protocol_select="http_protocol"
2401 gopher_protocol_select="network"
2402 http_protocol_select="tcp_protocol"
2403 httpproxy_protocol_select="tcp_protocol"
2404 https_protocol_select="tls_protocol"
2405 icecast_protocol_select="http_protocol"
2406 librtmp_protocol_deps="librtmp"
2407 librtmpe_protocol_deps="librtmp"
2408 librtmps_protocol_deps="librtmp"
2409 librtmpt_protocol_deps="librtmp"
2410 librtmpte_protocol_deps="librtmp"
2411 mmsh_protocol_select="http_protocol"
2412 mmst_protocol_select="network"
2413 rtmp_protocol_deps="!librtmp_protocol"
2414 rtmp_protocol_select="tcp_protocol"
2415 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2416 rtmps_protocol_deps="!librtmp_protocol"
2417 rtmps_protocol_select="tls_protocol"
2418 rtmpt_protocol_select="ffrtmphttp_protocol"
2419 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2420 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2421 rtp_protocol_select="udp_protocol"
2422 sctp_protocol_deps="struct_sctp_event_subscribe"
2423 sctp_protocol_select="network"
2424 srtp_protocol_select="rtp_protocol srtp"
2425 tcp_protocol_select="network"
2426 tls_gnutls_protocol_deps="gnutls"
2427 tls_gnutls_protocol_select="tcp_protocol"
2428 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2429 tls_openssl_protocol_select="tcp_protocol"
2430 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2431 udp_protocol_select="network"
2432 unix_protocol_deps="sys_un_h"
2433 unix_protocol_select="network"
2436 asyncts_filter_deps="avresample"
2437 blackframe_filter_deps="gpl"
2438 boxblur_filter_deps="gpl"
2439 bs2b_filter_deps="libbs2b"
2440 cropdetect_filter_deps="gpl"
2441 deinterlace_qsv_filter_deps="libmfx"
2442 delogo_filter_deps="gpl"
2443 drawtext_filter_deps="libfreetype"
2444 frei0r_filter_deps="frei0r dlopen"
2445 frei0r_filter_extralibs='$ldl'
2446 frei0r_src_filter_deps="frei0r dlopen"
2447 frei0r_src_filter_extralibs='$ldl'
2448 hdcd_filter_deps="libhdcd"
2449 hqdn3d_filter_deps="gpl"
2450 interlace_filter_deps="gpl"
2451 movie_filter_deps="avcodec avformat"
2452 ocv_filter_deps="libopencv"
2453 resample_filter_deps="avresample"
2454 scale_filter_deps="swscale"
2455 scale_qsv_filter_deps="libmfx"
2456 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2459 decode_audio_example_deps="avcodec avutil"
2460 decode_video_example_deps="avcodec avutil"
2461 encode_audio_example_deps="avcodec avutil"
2462 encode_video_example_deps="avcodec avutil"
2463 filter_audio_example_deps="avfilter avutil"
2464 metadata_example_deps="avformat avutil"
2465 output_example_deps="avcodec avformat avresample avutil swscale"
2466 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2467 transcode_aac_example_deps="avcodec avformat avresample"
2469 # libraries, in linking order
2470 avcodec_deps="avutil"
2471 avdevice_deps="avformat avcodec avutil"
2472 avfilter_deps="avutil"
2473 avformat_deps="avcodec avutil"
2474 avresample_deps="avutil"
2475 swscale_deps="avutil"
2478 avconv_deps="avcodec avfilter avformat avresample swscale"
2479 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2480 fps_filter null_filter resample_filter scale_filter
2482 avplay_deps="avcodec avfilter avformat avresample sdl"
2483 avplay_libs='$sdl_libs'
2484 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2485 avprobe_deps="avcodec avformat"
2489 texi2html_deps="doc"
2491 # default parameters
2493 logfile="config.log"
2495 # installation paths
2496 prefix_default="/usr/local"
2497 bindir_default='${prefix}/bin'
2498 datadir_default='${prefix}/share/avconv'
2499 docdir_default='${prefix}/share/doc/libav'
2500 incdir_default='${prefix}/include'
2501 libdir_default='${prefix}/lib'
2502 mandir_default='${prefix}/share/man'
2503 shlibdir_default="$libdir_default"
2508 host_cc_default="gcc"
2512 pkg_config_default=pkg-config
2515 version_script='--version-script'
2519 arch_default=$(uname -m)
2524 target_os_default=$(tolower $(uname -s))
2525 host_os=$target_os_default
2527 # configurable options
2528 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2533 enable faan faandct faanidct
2534 enable optimizations
2535 enable safe_bitstream_reader
2537 enable swscale_alpha
2538 enable valgrind_backtrace
2540 # By default, enable only those hwaccels that have no external dependencies.
2541 enable d3d11va dxva2 vda vdpau
2544 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2547 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2550 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2551 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2552 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2553 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2554 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2555 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2556 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2579 host_cflags_filter=echo
2580 host_ldflags_filter=echo
2582 target_path='$(CURDIR)'
2584 # since the object filename is not given with the -MM flag, the compiler
2585 # is only able to print the basename, and we must add the path ourselves
2586 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2590 if test -f configure; then
2593 source_path=$(cd $(dirname "$0"); pwd)
2594 echo "$source_path" | grep -q '[[:blank:]]' &&
2595 die "Out of tree builds are impossible with whitespace in source path."
2596 test -e "$source_path/config.h" &&
2597 die "Out of tree builds are impossible with config.h in source dir."
2604 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2610 file=$source_path/$3
2611 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2614 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2615 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2616 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2617 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2618 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2619 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2620 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2621 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2622 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2624 find_things_extern(){
2627 file=$source_path/$3
2628 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2631 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2632 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2648 for n in $COMPONENT_LIST; do
2649 v=$(toupper ${n%s})_LIST
2651 eval ${n}_if_any="\$$v"
2654 enable $ARCH_EXT_LIST
2657 echo "Unknown option \"$1\"."
2658 echo "See $0 --help for available options."
2663 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2669 echo $* | sed s/$suffix//g | print_3_columns
2681 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2682 echo "prob ${prob:-0.5}"
2690 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2691 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2700 --extra-ldexeflags=*)
2701 add_ldexeflags $optval
2704 add_extralibs $optval
2707 disable $INDEV_LIST $OUTDEV_LIST
2710 debuglevel="$optval"
2713 disable $PROGRAM_LIST
2715 --disable-everything)
2716 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2719 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2720 disable $LIBRARY_LIST $PROGRAM_LIST doc
2722 --enable-random|--disable-random)
2723 action=${opt%%-random}
2724 do_random ${action#--} $COMPONENT_LIST
2726 --enable-random=*|--disable-random=*)
2727 action=${opt%%-random=*}
2728 do_random ${action#--} $optval
2730 --enable-*=*|--disable-*=*)
2731 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2732 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2733 eval list=\$$(toupper $thing)_LIST
2734 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2735 $action $(filter "$name" $list)
2737 --enable-avserver|--disable-avserver*)
2738 warn "avserver has been removed, the ${opt} option is only"\
2739 "provided for compatibility and will be removed in the future"
2741 --enable-?*|--disable-?*)
2742 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2743 if is_in $option $COMPONENT_LIST; then
2744 test $action = disable && action=unset
2745 eval $action \$$(toupper ${option%s})_LIST
2746 elif is_in $option $CMDLINE_SELECT; then
2753 NAME="${opt#--list-}"
2754 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2756 eval show_list $NAME \$$(toupper $NAME)_LIST
2758 --help|-h) show_help
2760 --quiet|-q) quiet=yes
2763 optname="${opt%%=*}"
2764 optname="${optname#--}"
2765 optname=$(echo "$optname" | sed 's/-/_/g')
2766 if is_in $optname $CMDLINE_SET; then
2767 eval $optname='$optval'
2768 elif is_in $optname $CMDLINE_APPEND; then
2769 append $optname "$optval"
2781 disabled logging && logfile=/dev/null
2783 # Die early if licensing-related configure options are incompatible.
2784 die_license_disabled() {
2785 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2788 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2789 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2790 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2792 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2794 # Disable all the library-specific components if the library itself
2795 # is disabled, see AVCODEC_LIST and following _LIST variables.
2797 disable_components(){
2798 disabled ${1} && disable $(
2799 eval components="\$$(toupper ${1})_COMPONENTS"
2800 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2804 map 'disable_components $v' $LIBRARY_LIST
2806 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2809 case "$toolchain" in
2811 cc_default="${toolchain%-asan}"
2812 add_cflags -fsanitize=address
2813 add_ldflags -fsanitize=address
2816 cc_default="${toolchain%-msan}"
2817 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2818 add_ldflags -fsanitize=memory
2821 cc_default="${toolchain%-tsan}"
2822 add_cflags -fsanitize=thread -pie
2823 add_ldflags -fsanitize=thread -pie
2824 case "$toolchain" in
2832 cc_default="${toolchain%-usan}"
2833 add_cflags -fsanitize=undefined
2834 add_ldflags -fsanitize=undefined
2835 case "$toolchain" in
2842 target_exec_default="valgrind"
2843 case "$toolchain" in
2845 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2848 target_exec_args="--track-origins=yes --leak-check=full"
2853 # Check whether the current MSVC version needs the C99 converter.
2854 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2855 # support enough of C99 to build libav. Default to the new
2856 # behaviour if the regexp was unable to match anything, since this
2857 # successfully parses the version number of existing supported
2858 # versions that require the converter (MSVC 2010 and 2012).
2859 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2860 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2863 cc_default="c99wrap cl"
2865 ld_default="$source_path/compat/windows/mslink"
2866 nm_default="dumpbin -symbols"
2873 target_os_default="win32"
2874 # Use a relative path for TMPDIR. This makes sure all the
2875 # ffconf temp files are written with a relative path, avoiding
2876 # issues with msys/win32 path conversion for MSVC parameters
2877 # such as -Fo<file> or -out:<file>.
2883 nm_default="dumpbin -symbols"
2885 target_os_default="win32"
2889 add_cflags -fprofile-arcs -ftest-coverage
2890 add_ldflags -fprofile-arcs -ftest-coverage
2893 add_cflags -fprofile-arcs -ftest-coverage
2894 add_ldflags --coverage
2897 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2898 add_cflags -fno-strict-overflow -fstack-protector-all
2899 add_ldflags -Wl,-z,relro -Wl,-z,now
2902 die "Unknown toolchain $toolchain"
2906 test -n "$cross_prefix" && enable cross_compile
2908 if enabled cross_compile; then
2909 test -n "$arch" && test -n "$target_os" ||
2910 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
2913 ar_default="${cross_prefix}${ar_default}"
2914 cc_default="${cross_prefix}${cc_default}"
2915 occ_default="${cross_prefix}${occ_default}"
2916 nm_default="${cross_prefix}${nm_default}"
2917 pkg_config_default="${cross_prefix}${pkg_config_default}"
2918 ranlib="${cross_prefix}${ranlib}"
2919 strip="${cross_prefix}${strip}"
2921 sysinclude_default="${sysroot}/usr/include"
2923 set_default arch cc pkg_config sysinclude target_exec target_os
2924 enabled cross_compile || host_cc_default=$cc
2927 if ! $pkg_config --version >/dev/null 2>&1; then
2928 warn "$pkg_config not found, library detection may fail."
2934 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2938 EXESUF=$(exesuf $target_os)
2939 HOSTEXESUF=$(exesuf $host_os)
2941 # set temporary file name
2942 : ${TMPDIR:=$TEMPDIR}
2946 if ! check_cmd mktemp -u XXXXXX; then
2947 # simple replacement for missing mktemp
2948 # NOT SAFE FOR GENERAL USE
2950 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2955 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2956 (set -C; exec > $tmp) 2>/dev/null ||
2957 die "Unable to create temporary file in $TMPDIR."
2958 append TMPFILES $tmp
2962 trap 'rm -f -- $TMPFILES' EXIT
2966 tmpfile TMPE $EXESUF
2977 # make sure we can execute files in $TMPDIR
2978 cat > $TMPSH 2>> $logfile <<EOF
2981 chmod +x $TMPSH >> $logfile 2>&1
2982 if ! $TMPSH >> $logfile 2>&1; then
2984 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2985 variable to another directory and make sure that it is not mounted noexec.
2987 die "Sanity test failed."
2993 # Filter out MSVC cl.exe options from cflags that shouldn't
2994 # be passed to gas-preprocessor
3004 -std=c99) echo -c99 ;;
3005 -mcpu=*) echo -arch ${flag#*=} ;;
3006 -mieee) echo -ieee ;;
3007 -O*|-fast) echo $flag ;;
3008 -fno-math-errno) echo -assume nomath_errno ;;
3010 -Wall) echo -msg_enable level2 ;;
3011 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3012 -Wl,*) echo $flag ;;
3022 -Wno-switch) echo -Wno-switch-enum ;;
3023 -Wno-format-zero-length) ;;
3024 -Wdisabled-optimization) ;;
3025 -Wno-pointer-sign) echo -Wno-other ;;
3031 msvc_common_flags(){
3034 # In addition to specifying certain flags under the compiler
3035 # specific filters, they must be specified here as well or else the
3036 # generic catch all at the bottom will print the original flag.
3040 -fomit-frame-pointer) ;;
3044 -fno-signed-zeros) ;;
3048 -lz) echo zlib.lib ;;
3049 -lavicap32) echo vfw32.lib user32.lib ;;
3050 -lx264) echo libx264.lib ;;
3051 -l*) echo ${flag#-l}.lib ;;
3052 -L*) echo -libpath:${flag#-L} ;;
3059 msvc_common_flags "$@"
3062 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3063 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3064 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3065 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3071 msvc_common_flags "$@"
3074 # Despite what Intel's documentation says -Wall, which is supported
3075 # on Windows, does enable remarks so disable them here.
3076 -Wall) echo $flag -Qdiag-disable:remark ;;
3077 -std=c99) echo -Qstd=c99 ;;
3085 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3086 -fomit-frame-pointer) echo -Mnoframe ;;
3097 case "${flag#*=}" in
3098 native) echo -xtarget=native ;;
3099 v9|niagara) echo -xarch=sparc ;;
3100 ultrasparc) echo -xarch=sparcvis ;;
3101 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3102 i586|pentium) echo -xchip=pentium ;;
3103 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3104 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3105 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3106 pentium4*) echo -xtarget=pentium4 ;;
3107 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3108 *-sse3) echo -xarch=sse3 ;;
3109 core2) echo -xarch=ssse3 -xchip=core2 ;;
3110 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3111 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3112 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3113 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3114 k8|opteron|athlon64|athlon-fx)
3115 echo -xarch=sse2a ;;
3116 athlon*) echo -xarch=pentium_proa ;;
3119 -std=c99) echo -xc99 ;;
3120 -fomit-frame-pointer) echo -xregs=frameptr ;;
3121 -fPIC) echo -KPIC -xcode=pic32 ;;
3122 -W*,*) echo $flag ;;
3123 -f*-*|-W*|-mimpure-text) ;;
3134 case "${flag#*=}" in
3135 armv7-a|cortex-a*) echo -mv=7a8 ;;
3136 armv7-r|cortex-r*) echo -mv=7r4 ;;
3137 armv7-m|cortex-m*) echo -mv=7m3 ;;
3138 armv6*|arm11*) echo -mv=6 ;;
3139 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3141 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3144 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3145 -mfpu=vfp) echo --float_support=vfpv2 ;;
3146 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3147 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3148 -msoft-float) echo --float_support=vfplib ;;
3149 -O[0-3]|-mf=*) echo $flag ;;
3151 -pds=*) echo $flag ;;
3152 -D*|-I*) echo $flag ;;
3153 --gcc|--abi=*) echo $flag ;;
3163 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3164 unset _ld_o _ldflags _ld_lib _ld_path
3165 unset _depflags _DEPCMD _DEPFLAGS
3168 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3170 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3171 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3172 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3175 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3177 gcc_version=$($_cc --version | head -n1)
3178 gcc_basever=$($_cc -dumpversion)
3179 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3180 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3181 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3182 if ! $_cc -dumpversion | grep -q '^2\.'; then
3183 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3187 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3189 _ident=$($_cc --version | head -n1)
3194 elif $_cc -v 2>&1 | grep -q xlc; then
3196 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3198 _cflags_size='-O5 -qcompact'
3199 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3201 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3203 _cflags_speed='-fast'
3205 _flags_filter=ccc_flags
3206 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3207 test -d "$sysroot" || die "No valid sysroot specified."
3209 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3210 armcc_conf="$PWD/armcc.conf"
3211 $_cc --arm_linux_configure \
3212 --arm_linux_config_file="$armcc_conf" \
3213 --configure_sysroot="$sysroot" \
3214 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3215 die "Error creating armcc configuration file."
3216 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3217 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3218 as_default="${cross_prefix}gcc"
3222 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3224 _ident=$($_cc -version | head -n1 | tr -s ' ')
3225 _flags='--gcc --abi=eabi -me'
3228 _depflags='-ppa -ppd=$(@:.o=.d)'
3229 _cflags_speed='-O3 -mf=5'
3230 _cflags_size='-O3 -mf=2'
3231 _flags_filter=tms470_flags
3232 elif $_cc -v 2>&1 | grep -q clang; then
3234 _ident=$($_cc --version 2>/dev/null | head -n1)
3235 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3238 elif $_cc -V 2>&1 | grep -q Sun; then
3240 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3241 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3242 _DEPFLAGS='-xM1 -xc99'
3245 _cflags_size='-O5 -xspace'
3246 _flags_filter=suncc_flags
3247 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3249 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3250 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3253 _flags_filter='filter_out -Wdisabled-optimization'
3254 elif $_cc -v 2>&1 | grep -q Open64; then
3256 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3257 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3260 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3261 elif $_cc -V 2>&1 | grep -q Portland; then
3263 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3264 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3265 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3266 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3268 _flags_filter=pgi_flags
3269 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3271 _ident=$($_cc | head -n1)
3272 # 4509: "This form of conditional instruction is deprecated"
3273 _flags="-nologo -ignore 4509"
3274 _flags_filter=armasm_flags
3275 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3277 _ident=$($_cc 2>&1 | head -n1)
3278 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3279 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3282 if $_cc -nologo- 2>&1 | grep -q Linker; then
3289 _flags_filter=msvc_flags
3291 _ld_path='-libpath:'
3293 elif $_cc 2>&1 | grep -q Intel; then
3295 _ident=$($_cc 2>&1 | head -n1)
3296 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3297 # Not only is O3 broken on 13.x+ but it is slower on all previous
3298 # versions (tested) as well.
3300 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3301 if $_cc 2>&1 | grep -q Linker; then
3308 _flags_filter=icl_flags
3310 _ld_path='-libpath:'
3311 # -Qdiag-error to make icl error when seeing certain unknown arguments
3312 _flags='-nologo -Qdiag-error:4044,10157'
3313 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3314 # with MSVC which enables it by default.
3315 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3316 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3317 # lld can emulate multiple different linkers; in ms link.exe mode,
3318 # the -? parameter gives the help output which contains an identifyable
3319 # string, while it gives an error in other modes.
3321 # The link.exe mode doesn't have a switch for getting the version,
3322 # but we can force it back to gnu mode and get the version from there.
3323 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3325 _flags_filter=msvc_flags
3327 _ld_path='-libpath:'
3328 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3330 _ident=$($_cc --version | head -n1)
3334 _flags_filter=cparser_flags
3337 eval ${pfx}_type=\$_type
3338 eval ${pfx}_ident=\$_ident
3342 eval ${1}_C=\${_cc_c-\${${1}_C}}
3343 eval ${1}_E=\${_cc_e-\${${1}_E}}
3344 eval ${1}_O=\${_cc_o-\${${1}_O}}
3346 if [ -n "$_depflags" ]; then
3347 eval ${1}_DEPFLAGS=\$_depflags
3349 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3350 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3351 eval DEP${1}FLAGS=\$_flags
3356 cflags_filter=$_flags_filter
3357 cflags_speed=$_cflags_speed
3358 cflags_size=$_cflags_size
3359 cflags_noopt=$_cflags_noopt
3360 add_cflags $_flags $_cflags
3361 cc_ldflags=$_ldflags
3364 probe_cc hostcc "$host_cc"
3365 host_cflags_filter=$_flags_filter
3366 add_host_cflags $_flags $_cflags
3369 test -n "$cc_type" && enable $cc_type ||
3370 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3372 : ${as_default:=$cc}
3373 : ${objcc_default:=$cc}
3374 : ${dep_cc_default:=$cc}
3375 : ${ld_default:=$cc}
3376 : ${host_ld_default:=$host_cc}
3377 set_default ar as objcc dep_cc ld host_ld
3380 asflags_filter=$_flags_filter
3381 add_asflags $_flags $_cflags
3384 probe_cc objcc "$objcc"
3385 objcflags_filter=$_flags_filter
3386 add_objcflags $_flags $_cflags
3390 ldflags_filter=$_flags_filter
3391 add_ldflags $_flags $_ldflags
3392 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3394 LD_LIB=${_ld_lib-$LD_LIB}
3395 LD_PATH=${_ld_path-$LD_PATH}
3397 probe_cc hostld "$host_ld"
3398 host_ldflags_filter=$_flags_filter
3399 add_host_ldflags $_flags $_ldflags
3400 HOSTLD_O=${_ld_o-$HOSTLD_O}
3402 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3403 probe_cc depcc "$dep_cc"
3404 CCDEP=${_DEPCMD:-$DEPCMD}
3405 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3409 if $ar 2>&1 | grep -q Microsoft; then
3412 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3415 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3416 arflags='-Xany -r -c'
3423 add_cflags $extra_cflags
3424 add_objcflags $extra_objcflags
3425 add_asflags $extra_cflags
3427 if test -n "$sysroot"; then
3430 add_cppflags --sysroot="$sysroot"
3431 add_ldflags --sysroot="$sysroot"
3434 add_cppflags -I"$sysinclude"
3435 add_ldflags --sysroot="$sysroot"
3440 if test "$cpu" = host; then
3441 enabled cross_compile &&
3442 die "--cpu=host makes no sense when cross-compiling."
3447 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3449 s/.*$1=\\([^ ]*\\).*/\\1/
3454 cpu=$(check_native -march || check_native -mcpu)
3458 test "${cpu:-host}" = host &&
3459 die "--cpu=host not supported with compiler $cc"
3462 # Deal with common $arch aliases
3486 "Power Macintosh"|ppc*|powerpc*)
3501 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3506 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3509 # Add processor-specific flags
3510 if enabled aarch64; then
3514 cpuflags="-march=$cpu"
3517 cpuflags="-mcpu=$cpu"
3521 elif enabled alpha; then
3523 cpuflags="-mcpu=$cpu"
3525 elif enabled arm; then
3528 check_cpp_condition stddef.h \
3529 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3534 if check_arm_arch 4; then echo armv4
3535 elif check_arm_arch 4T; then echo armv4t
3536 elif check_arm_arch 5; then echo armv5
3537 elif check_arm_arch 5E; then echo armv5e
3538 elif check_arm_arch 5T; then echo armv5t
3539 elif check_arm_arch 5TE; then echo armv5te
3540 elif check_arm_arch 5TEJ; then echo armv5te
3541 elif check_arm_arch 6; then echo armv6
3542 elif check_arm_arch 6J; then echo armv6j
3543 elif check_arm_arch 6K; then echo armv6k
3544 elif check_arm_arch 6Z; then echo armv6z
3545 elif check_arm_arch 6ZK; then echo armv6zk
3546 elif check_arm_arch 6T2; then echo armv6t2
3547 elif check_arm_arch 7; then echo armv7
3548 elif check_arm_arch 7A 7_A; then echo armv7-a
3549 elif check_arm_arch 7S; then echo armv7-a
3550 elif check_arm_arch 7R 7_R; then echo armv7-r
3551 elif check_arm_arch 7M 7_M; then echo armv7-m
3552 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3553 elif check_arm_arch 8A 8_A; then echo armv8-a
3557 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3561 cpuflags="-march=$cpu"
3562 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3565 cpuflags="-mcpu=$cpu"
3567 cortex-a*) subarch=armv7a ;;
3568 cortex-r*) subarch=armv7r ;;
3569 cortex-m*) enable thumb; subarch=armv7m ;;
3570 arm11*) subarch=armv6 ;;
3571 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3572 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3573 *) subarch=$(probe_arm_arch) ;;
3579 armv5t*) enable fast_clz ;;
3580 armv[6-8]*) enable fast_clz fast_unaligned ;;
3583 elif enabled avr32; then
3588 cpuflags="-mpart=$cpu"
3592 cpuflags="-march=$cpu"
3596 cpuflags="-mcpu=$cpu"
3600 cpuflags="-march=$cpu"
3604 elif enabled bfin; then
3606 cpuflags="-mcpu=$cpu"
3608 elif enabled mips; then
3610 cpuflags="-march=$cpu"
3612 elif enabled ppc; then
3616 case $(tolower $cpu) in
3617 601|ppc601|powerpc601)
3618 cpuflags="-mcpu=601"
3621 603*|ppc603*|powerpc603*)
3622 cpuflags="-mcpu=603"
3625 604*|ppc604*|powerpc604*)
3626 cpuflags="-mcpu=604"
3629 g3|75*|ppc75*|powerpc75*)
3630 cpuflags="-mcpu=750"
3633 g4|745*|ppc745*|powerpc745*)
3634 cpuflags="-mcpu=7450"
3637 74*|ppc74*|powerpc74*)
3638 cpuflags="-mcpu=7400"
3641 g5|970|ppc970|powerpc970)
3642 cpuflags="-mcpu=970"
3646 cpuflags="-mcpu=$cpu"
3650 cpuflags="-mcpu=$cpu"
3654 cpuflags="-mcpu=cell"
3659 cpuflags="-mcpu=e500mc"
3663 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3668 cpuflags="-mcpu=8540 -mhard-float"
3674 elif enabled sparc; then
3677 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3678 cpuflags="-mcpu=$cpu"
3680 ultrasparc*|niagara[234])
3681 cpuflags="-mcpu=$cpu"
3685 elif enabled x86; then
3689 cpuflags="-march=$cpu"
3693 # targets that do NOT support nopl and conditional mov (cmov)
3694 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3695 cpuflags="-march=$cpu"
3698 # targets that do support nopl and conditional mov (cmov)
3699 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3700 cpuflags="-march=$cpu"
3704 # targets that do support conditional mov but on which it's slow
3705 pentium4|pentium4m|prescott|nocona)
3706 cpuflags="-march=$cpu"
3714 if [ "$cpu" != generic ]; then
3715 add_cflags $cpuflags
3716 add_asflags $cpuflags
3717 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3720 # compiler sanity check
3722 int main(void){ return 0; }
3724 if test "$?" != 0; then
3725 echo "$cc is unable to create an executable file."
3726 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3727 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3728 echo "Only do this if you know what cross compiling means."
3730 die "C compiler test failed."
3733 add_cppflags -D_ISOC99_SOURCE
3735 # some compilers silently accept -std=c11, so we also need to check that the
3736 # version macro is defined properly
3737 if test_cflags_cpp -std=c11 "__STDC_VERSION__ >= 201112L"; then
3740 check_cflags -std=c99
3743 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3746 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3750 add_host_cppflags -D_ISOC99_SOURCE
3751 check_host_cflags -std=c99
3752 check_host_cflags -Wall
3753 check_host_cflags -O3
3759 check_code cc "" "int test[2*($expr) - 1]" &&
3760 subarch=$arch64 || subarch=$arch32
3768 check_64bit mips mips64 '_MIPS_SIM > 1'
3772 check_64bit parisc parisc64 'sizeof(void *) > 4'
3776 check_64bit ppc ppc64 'sizeof(void *) > 4'
3780 check_64bit s390 s390x 'sizeof(void *) > 4'
3784 check_64bit sparc sparc64 'sizeof(void *) > 4'
3788 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3789 if test "$subarch" = "x86_64"; then
3796 enabled spic && enable_weak pic
3802 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3803 enabled shared && add_ldflags -Wl,-brtl
3807 enable section_data_rel_ro
3808 SLIB_INSTALL_NAME='$(SLIBNAME)'
3810 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3813 prefix_default="/boot/common"
3814 network_extralibs="-lnetwork"
3818 SHFLAGS='-shared -Wl,-h,$$(@F)'
3819 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3820 network_extralibs="-lsocket -lnsl"
3821 # When using suncc to build, the Solaris linker will mark
3822 # an executable with each instruction set encountered by
3823 # the Solaris assembler. As our libraries contain their own
3824 # guards for processor-specific code, instead suppress
3825 # generation of the HWCAPS ELF section on Solaris x86 only.
3826 enabled_all suncc x86 &&
3827 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3828 add_ldflags -Wl,-M,mapfile
3829 nm_default='nm -P -g'
3831 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3835 oss_indev_extralibs="-lossaudio"
3836 oss_outdev_extralibs="-lossaudio"
3841 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3843 oss_indev_extralibs="-lossaudio"
3844 oss_outdev_extralibs="-lossaudio"
3852 add_extralibs -lpoll -lgnugetopt
3855 enabled ppc && add_asflags -force_cpusubtype_ALL
3856 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3857 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3858 add_ldflags -Wl,-dynamic,-search_paths_first
3860 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
3861 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
3863 enabled x86_64 && objformat="macho64"
3864 enabled_any pic shared ||
3865 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3866 check_header dispatch/dispatch.h &&
3867 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3870 die "Native MSYS builds are discouraged, please use the MINGW environment."
3873 if test $target_os = "mingw32ce"; then
3879 if enabled x86_64; then
3880 LIBTARGET="i386:x86-64"
3881 elif enabled arm; then
3884 check_ldflags -Wl,--nxcompat
3885 check_ldflags -Wl,--dynamicbase
3886 shlibdir_default="$bindir_default"
3889 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3890 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
3891 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3892 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3894 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3895 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3896 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3898 dlltool="${cross_prefix}dlltool"
3904 if enabled shared; then
3905 # Link to the import library instead of the normal static library
3908 # Cannot build both shared and static libs with MSVC or icl.
3911 shlibdir_default="$bindir_default"
3914 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3915 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
3916 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3917 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3919 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3920 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3921 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
3928 shlibdir_default="$bindir_default"
3931 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3932 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
3933 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3935 SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
3936 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
3940 *-dos|freedos|opendos)
3941 network_extralibs="-lsocket"
3944 add_cppflags -U__STRICT_ANSI__
3948 enable section_data_rel_ro
3952 ranlib="echo ignoring ranlib"
3957 add_cppflags -D_GNU_SOURCE
3958 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
3959 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
3963 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3964 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
3965 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
3966 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3967 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3968 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3969 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
3970 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3971 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3972 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3976 add_cppflags -D_BSD_SOURCE
3981 add_cppflags -D_QNX_SOURCE
3982 network_extralibs="-lsocket"
3987 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3988 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3989 add_ldflags -Wl,--target1-abs,--no-undefined \
3990 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3991 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3992 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3993 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3994 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3997 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4004 die "Unknown OS '$target_os'."
4008 # determine libc flavour
4013 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4014 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4015 eval ${pfx}libc_type=uclibc
4016 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4017 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4018 eval ${pfx}libc_type=glibc
4019 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4020 # MinGW headers can be installed on Cygwin, so check for newlib first.
4021 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4022 eval ${pfx}libc_type=newlib
4023 add_${pfx}cppflags -U__STRICT_ANSI__
4024 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4025 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4026 eval ${pfx}libc_type=mingw64
4027 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4028 eval test \$${pfx_no_}cc_type = "gcc" &&
4029 add_${pfx}cppflags -D__printf__=__gnu_printf__
4030 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4031 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4032 eval ${pfx}libc_type=mingw32
4033 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4034 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4035 die "ERROR: MinGW32 runtime version must be >= 3.15."
4036 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4037 check_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700__" &&
4038 add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700
4039 eval test \$${pfx_no_}cc_type = "gcc" &&
4040 add_${pfx}cppflags -D__printf__=__gnu_printf__
4041 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4042 eval ${pfx}libc_type=msvcrt
4043 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4044 if [ "$pfx" = host_ ]; then
4045 add_host_cppflags -Dsnprintf=_snprintf
4047 add_compat strtod.o strtod=avpriv_strtod
4048 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4049 _snprintf=avpriv_snprintf \
4050 vsnprintf=avpriv_vsnprintf
4053 add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS
4054 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4055 # 0x601 by default unless something else is set by the user.
4056 # This can easily lead to us detecting functions only present
4057 # in such new versions and producing binaries requiring windows 7.0.
4058 # Therefore explicitly set the default to XP unless the user has
4059 # set something else on the command line.
4060 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4061 # family. For these cases, configure is free to use any functions
4062 # found in the SDK headers by default. (Alternatively, we could force
4063 # _WIN32_WINNT to 0x0602 in that case.)
4064 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4065 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4066 #ifdef WINAPI_FAMILY
4067 #include <winapifamily.h>
4068 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4073 if [ "$pfx" = "" ]; then
4074 check_func strtoll || add_cflags -Dstrtoll=_strtoi64
4076 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4077 eval ${pfx}libc_type=klibc
4078 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4079 eval ${pfx}libc_type=bionic
4080 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4081 eval ${pfx}libc_type=solaris
4082 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4084 eval ${pfx}libc_type=default
4085 add_${pfx}cppflags -D_DEFAULT_SOURCE
4090 test -n "$libc_type" && enable libc_$libc_type
4092 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4096 add_compat strtod.o strtod=avpriv_strtod
4100 # hacks for compiler/libc/os combinations
4102 if enabled_all tms470 libc_glibc; then
4103 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4104 add_cppflags -D__USER_LABEL_PREFIX__=
4105 add_cppflags -D__builtin_memset=memset
4106 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4107 add_cflags -pds=48 # incompatible redefinition of macro
4110 if enabled_all ccc libc_glibc; then
4111 add_ldflags -Wl,-z,now # calls to libots crash without this
4114 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4115 add_cppflags '-I\$(SRC_PATH)/compat/float'
4118 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4121 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $LIBAV_CONFIGURATION)" >config.fate
4123 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4125 set_default $PATHS_LIST
4128 # we need to build at least one lib type
4129 if ! enabled_any static shared; then
4131 At least one library type must be built.
4132 Specify --enable-static to build the static libraries or --enable-shared to
4133 build the shared libraries as well. To only build the shared libraries specify
4134 --disable-static in addition to --enable-shared.
4139 disabled optimizations || check_cflags -fomit-frame-pointer
4142 disabled pic && return
4145 case "$target_os" in
4155 enabled pic && enable_weak_pic
4157 check_cc <<EOF || die "Symbol mangling check failed."
4160 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4161 extern_prefix=${sym%%ff_extern*}
4163 check_cc <<EOF && enable_weak inline_asm
4164 void foo(void) { __asm__ volatile ("" ::); }
4168 for restrict_keyword in restrict __restrict__ __restrict; do
4169 check_cc <<EOF && _restrict=$restrict_keyword && break
4170 void foo(char * $restrict_keyword p);
4174 check_cc <<EOF && enable pragma_deprecated
4175 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4178 check_cc <<EOF && enable attribute_packed
4179 struct { int x; } __attribute__((packed)) x;
4182 check_cc <<EOF && enable attribute_may_alias
4183 union { int x; } __attribute__((may_alias)) x;
4186 check_cc <<EOF || die "endian test failed"
4187 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
4189 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
4192 log "check_gas using '$as' as AS"
4193 # :vararg is used on aarch64, arm and ppc altivec
4194 check_as <<EOF || return 1
4195 .macro m n, y:vararg=0
4200 # .altmacro is only used in arm asm
4201 ! enabled arm || check_as <<EOF || return 1
4208 if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then
4210 enabled_any arm aarch64 && nogas=die
4211 enabled_all ppc altivec && nogas=warn
4215 arm*) gaspp_as_type=armasm; as_noop=-h ;;
4216 gcc) gaspp_as_type=gas ;;
4217 *) gaspp_as_type=$as_type ;;
4220 [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"
4222 check_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as $as_noop &&
4223 gas="gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- $as"
4225 if ! check_gas ; then
4228 $nogas "GNU assembler not found, install/update gas-preprocessor"
4231 check_as <<EOF && enable as_func
4237 check_inline_asm inline_asm_labels '"1:\n"'
4239 if enabled aarch64; then
4240 enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]'
4241 # internal assembler in clang 3.3 does not support this instruction
4242 enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1'
4243 enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2'
4245 map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM
4247 elif enabled alpha; then
4251 elif enabled arm; then
4253 enabled msvc && check_cpp_condition stddef.h "defined _M_ARMT" && enable thumb
4254 check_cpp_condition stddef.h "defined __thumb__" && enable_weak thumb
4255 enabled thumb && check_cflags -mthumb || check_cflags -marm
4257 if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
4259 elif check_cpp_condition stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then
4261 elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then
4262 case "${cross_prefix:-$cc}" in
4263 *hardfloat*) enable vfp_args; fpabi=vfp ;;
4264 *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
4265 __asm__ (".eabi_attribute 28, 1");
4266 int main(void) { return 0; }
4269 warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
4272 enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'
4273 enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0'
4274 enabled armv6t2 && check_insn armv6t2 'movt r0, #0'
4275 enabled neon && check_insn neon 'vadd.i16 q0, q0, q0'
4276 enabled vfp && check_insn vfp 'fadds s0, s0, s0'
4277 enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0'
4279 [ $target_os = linux ] || [ $target_os = android ] ||
4280 map 'enabled_any ${v}_external ${v}_inline || disable $v' \
4283 check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
4285 check_as <<EOF && enable as_dn_directive
4289 check_as <<EOF && enable as_fpu_directive
4293 # llvm's integrated assembler supports .object_arch from llvm 3.5
4294 [ "$objformat" = elf ] && check_as <<EOF && enable as_object_arch
4298 [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic
4300 elif enabled mips; then
4302 check_inline_asm loongson '"dmult.g $1, $2, $3"'
4304 # make sure that only an instruction set is enabled
4305 disable mips64r6 mips32r6 mips64r2 mips32r2 mips64r1 mips32r1
4307 if enabled mips64; then
4308 check_inline_asm mips64r6 '"dlsa $0, $0, $0, 1"' ||
4309 check_inline_asm mips64r2 '"dext $0, $0, 0, 1"' ||
4310 check_inline_asm mips64r1 '"daddi $0, $0, 0"'
4312 check_inline_asm mips32r6 '"aui $0, $0, 0"' ||
4313 check_inline_asm mips32r2 '"ext $0, $0, 0, 1"' ||
4314 check_inline_asm mips32r1 '"addi $0, $0, 0"'
4317 elif enabled parisc; then
4319 if enabled gcc; then
4320 case $($cc -dumpversion) in
4321 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
4325 elif enabled ppc; then
4327 enable local_aligned_8 local_aligned_16 local_aligned_32
4329 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
4330 check_inline_asm ibm_asm '"add 0, 0, 0"'
4331 check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
4332 check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
4334 # AltiVec flags: The FSF version of GCC differs from the Apple version
4335 if enabled altivec; then
4336 check_cflags -maltivec -mabi=altivec &&
4337 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
4338 check_cflags -faltivec
4340 # check if our compiler supports Motorola AltiVec C API
4341 check_cc <<EOF || disable altivec
4344 vector signed int v1 = (vector signed int) { 0 };
4345 vector signed int v2 = (vector signed int) { 1 };
4346 v1 = vec_add(v1, v2);
4351 enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"
4354 if enabled vsx; then
4355 check_cflags -mvsx &&
4356 check_builtin vec_vsx_ld "altivec.h" "__builtin_vec_vsx_ld" || disable vsx
4359 if enabled power8; then
4360 check_cpp_condition "altivec.h" "defined(_ARCH_PWR8)" || disable power8
4363 elif enabled x86; then
4365 check_builtin rdtsc intrin.h "__rdtsc()"
4366 check_builtin mm_empty mmintrin.h "_mm_empty()"
4368 enable local_aligned_8 local_aligned_16 local_aligned_32
4370 # check whether EBP is available on x86
4371 # As 'i' is stored on the stack, this program will crash
4372 # if the base pointer is used to access it because the
4373 # base pointer is cleared in the inline assembly code.
4374 check_exec_crash <<EOF && enable ebp_available
4376 __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
4380 # check whether EBX is available on x86
4381 check_inline_asm ebx_available '""::"b"(0)' &&
4382 check_inline_asm ebx_available '"":::"%ebx"'
4384 # check whether xmm clobbers are supported
4385 check_inline_asm xmm_clobbers '"":::"%xmm0"'
4387 # check whether binutils is new enough to compile SSSE3/MMXEXT
4388 enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"'
4389 enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
4391 if ! disabled_any asm mmx yasm; then
4392 if check_cmd $yasmexe --version; then
4393 enabled x86_64 && yasm_extra="-m amd64"
4394 yasm_debug="-g dwarf2"
4395 elif check_cmd nasm -v; then
4397 yasm_debug="-g -F dwarf"
4398 enabled x86_64 && test "$objformat" = elf && objformat=elf64
4401 YASMFLAGS="-f $objformat $yasm_extra"
4402 enabled pic && append YASMFLAGS "-DPIC"
4403 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
4404 case "$objformat" in
4405 elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
4408 check_yasm "movbe ecx, [5]" && enable yasm ||
4409 die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build."
4410 check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external
4411 check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external
4412 check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external
4413 check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
4414 check_yasm "CPU amdnop" || disable cpunop
4418 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
4425 check_code cc arm_neon.h "int16x8_t test = vdupq_n_s16(0)" && enable intrinsics_neon
4427 check_ldflags -Wl,--as-needed
4429 if check_func dlopen; then
4431 elif check_func dlopen -ldl; then
4435 if ! disabled network; then
4436 check_func getaddrinfo $network_extralibs
4437 check_func inet_aton $network_extralibs
4439 check_type netdb.h "struct addrinfo"
4440 check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
4441 check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
4442 check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
4443 check_type poll.h "struct pollfd"
4444 check_type netinet/sctp.h "struct sctp_event_subscribe"
4445 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
4446 check_type netinet/in.h "struct sockaddr_in6"
4447 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
4448 check_type "sys/types.h sys/socket.h" socklen_t
4450 # Prefer arpa/inet.h over winsock2
4451 if check_header arpa/inet.h ; then
4452 check_func closesocket
4453 elif check_header winsock2.h ; then
4454 check_func_headers winsock2.h closesocket -lws2 &&
4455 network_extralibs="-lws2" ||
4456 { check_func_headers winsock2.h closesocket -lws2_32 &&
4457 network_extralibs="-lws2_32"; } || disable winsock2_h network
4458 check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
4460 check_type ws2tcpip.h socklen_t
4461 check_type ws2tcpip.h "struct addrinfo"
4462 check_type ws2tcpip.h "struct group_source_req"
4463 check_type ws2tcpip.h "struct ip_mreq_source"
4464 check_type ws2tcpip.h "struct ipv6_mreq"
4465 check_type winsock2.h "struct pollfd"
4466 check_struct winsock2.h "struct sockaddr" sa_len
4467 check_type ws2tcpip.h "struct sockaddr_in6"
4468 check_type ws2tcpip.h "struct sockaddr_storage"
4474 check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"
4475 check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"
4476 check_builtin MemoryBarrier windows.h "MemoryBarrier()"
4477 check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"
4479 case "$custom_allocator" in
4481 # jemalloc by default does not use a prefix
4482 require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc
4485 require_pkg_config libtcmalloc gperftools/tcmalloc.h tc_malloc
4490 check_func_headers malloc.h _aligned_malloc && enable aligned_malloc
4491 check_func ${malloc_prefix}memalign && enable memalign
4492 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
4494 check_cpp_condition unistd.h "defined(_POSIX_MONOTONIC_CLOCK)" &&
4495 check_func_headers time.h clock_gettime ||
4496 { check_lib time.h clock_gettime -lrt && LIBRT="-lrt"; }
4500 check_func gethrtime
4502 check_func getrusage
4503 check_func gettimeofday
4506 check_func localtime_r
4507 check_func mach_absolute_time
4511 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
4512 check_func_headers time.h nanosleep || { check_func_headers time.h nanosleep -lrt && add_extralibs -lrt; }
4513 check_func sched_getaffinity
4514 check_func setrlimit
4515 check_func strerror_r
4520 check_func_headers io.h setmode
4521 check_func_headers stdlib.h getenv
4523 check_func_headers windows.h CoTaskMemFree -lole32
4524 check_func_headers windows.h GetProcessAffinityMask
4525 check_func_headers windows.h GetProcessTimes
4526 check_func_headers windows.h GetSystemTimeAsFileTime
4527 check_func_headers windows.h LoadLibrary
4528 check_func_headers windows.h MapViewOfFile
4529 check_func_headers windows.h SetConsoleTextAttribute
4530 check_func_headers windows.h Sleep
4531 check_func_headers windows.h VirtualAlloc
4532 check_struct windows.h "CONDITION_VARIABLE" Ptr
4534 check_header direct.h
4535 check_header dlfcn.h
4536 check_header d3d11.h
4538 check_header dxva2api.h
4540 check_header mach/mach_time.h
4541 check_header malloc.h
4543 check_header sys/mman.h
4544 check_header sys/param.h
4545 check_header sys/resource.h
4546 check_header sys/select.h
4547 check_header sys/time.h
4548 check_header sys/un.h
4549 check_header unistd.h
4550 check_header valgrind/valgrind.h
4551 check_header vdpau/vdpau.h
4552 check_header vdpau/vdpau_x11.h
4553 check_header VideoDecodeAcceleration/VDADecoder.h
4554 check_header windows.h
4555 check_header X11/extensions/XvMClib.h
4557 # it seems there are versions of clang in some distros that try to use the
4558 # gcc headers, which explodes for stdatomic
4559 # so we also check that atomics actually work here
4560 check_builtin stdatomic_h stdatomic.h "atomic_int foo; atomic_store(&foo, 0)"
4562 check_lib "windows.h shellapi.h" CommandLineToArgvW -lshell32
4563 check_lib "windows.h wincrypt.h" CryptGenRandom -ladvapi32
4564 check_lib "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
4566 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
4568 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
4569 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
4570 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
4572 check_type "va/va.h va/va_dec_vp8.h" "VAPictureParameterBufferVP8"
4573 check_type "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer"
4574 check_type "va/va.h va/va_enc_h264.h" "VAEncPictureParameterBufferH264"
4575 check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"
4576 check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"
4578 check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"
4580 if ! disabled w32threads && ! enabled pthreads; then
4581 check_func_headers "windows.h process.h" _beginthreadex &&
4582 enable w32threads || disable w32threads
4585 # check for some common methods of building with pthread support
4586 # do this before the optional library checks as some of them require pthreads
4587 if ! disabled pthreads && ! enabled w32threads; then
4589 if check_func pthread_join -pthread; then
4591 add_extralibs -pthread
4592 elif check_func pthread_join -pthreads; then
4593 add_cflags -pthreads
4594 add_extralibs -pthreads
4595 elif check_func pthread_join -lpthreadGC2; then
4596 add_extralibs -lpthreadGC2
4597 elif check_lib pthread.h pthread_join -lpthread; then
4599 elif ! check_func pthread_join; then
4605 check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)"
4607 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
4608 disabled bzlib || check_lib bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
4610 check_lib math.h sin -lm && LIBM="-lm"
4616 for func in $MATH_FUNCS; do
4617 eval check_mathfunc $func \${${func}_args:-1} $LIBM
4620 # these are off by default, so fail if requested and not available
4621 enabled avisynth && { check_header avisynth/avisynth_c.h || die "ERROR: avisynth/avisynth_c.h header not found"; }
4622 enabled avxsynth && require avxsynth "avxsynth/avxsynth_c.h dlfcn.h" dlopen -ldl
4623 enabled cuda && check_lib cuda.h cuInit -lcuda
4624 enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
4625 enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
4626 enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open
4627 enabled libdc1394 && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
4628 enabled libdcadec && require libdcadec libdcadec/dca_context.h dcadec_context_create -ldcadec
4629 enabled libfaac && require libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
4630 enabled libfdk_aac && require_pkg_config fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen
4631 enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
4632 enabled libfreetype && require_pkg_config freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType
4633 enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
4634 check_lib "${gsm_hdr}" gsm_create -lgsm && break;
4635 done || die "ERROR: libgsm not found"; }
4636 enabled libhdcd && require_pkg_config libhdcd "hdcd/hdcd_simple.h" hdcd_new
4637 enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
4638 enabled libkvazaar && require_pkg_config "kvazaar >= 0.8.1" kvazaar.h kvz_api_get
4639 enabled libmfx && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
4640 enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
4641 enabled libnpp && require libnpp npp.h nppGetLibVersion -lnppi -lnppc
4642 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
4643 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
4644 enabled libopencv && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
4645 enabled libopenh264 && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
4646 enabled libopenjpeg && { check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
4647 require_pkg_config libopenjpeg1 openjpeg.h opj_version -DOPJ_STATIC; }
4648 enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
4649 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
4650 enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
4651 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
4652 enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy
4653 enabled libspeex && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
4654 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
4655 enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame
4656 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
4657 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
4658 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
4659 enabled libvpx && require_pkg_config "vpx >= 1.3.0" vpx/vpx_codec.h vpx_codec_version && {
4660 enabled libvpx_vp8_decoder && {
4661 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||
4662 disable libvpx_vp8_decoder;
4664 enabled libvpx_vp8_encoder && {
4665 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||
4666 disable libvpx_vp8_encoder;
4668 enabled libvpx_vp9_decoder && {
4669 check_pkg_config vpx "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
4670 disable libvpx_vp9_decoder;
4672 enabled libvpx_vp9_encoder && {
4673 check_pkg_config vpx "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
4674 disable libvpx_vp9_encoder;
4676 if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
4677 die "libvpx enabled but no supported decoders found"
4680 enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack
4681 enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion
4682 enabled libx264 && require_pkg_config x264 "stdint.h x264.h" x264_encoder_encode &&
4683 { check_cpp_condition x264.h "X264_BUILD >= 118" ||
4684 die "ERROR: libx264 version must be >= 0.118."; } &&
4685 { check_cpp_condition x264.h "X264_MPEG2" &&
4687 enabled libx265 && require_pkg_config x265 x265.h x265_api_get &&
4688 { check_cpp_condition x265.h "X265_BUILD >= 57" ||
4689 die "ERROR: libx265 version must be >= 57."; }
4690 enabled libxavs && require libxavs "stdint.h xavs.h" xavs_encoder_encode -lxavs
4691 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
4692 enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||
4693 { ! enabled cross_compile &&
4694 add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&
4695 add_ldflags -L/opt/vc/lib/ &&
4696 check_lib interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||
4697 die "ERROR: mmal not found" &&
4698 check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }
4699 enabled omx_rpi && { check_header OMX_Core.h ||
4700 { ! enabled cross_compile && add_cflags -isystem/opt/vc/include/IL && check_header OMX_Core.h ; } ||
4701 die "ERROR: OpenMAX IL headers not found"; }
4702 enabled omx && { check_header OMX_Core.h || die "ERROR: OpenMAX IL headers not found"; }
4703 enabled openssl && { { check_pkg_config openssl openssl/ssl.h OPENSSL_init_ssl ||
4704 check_pkg_config openssl openssl/ssl.h SSL_library_init; } && {
4705 add_cflags $openssl_cflags && add_extralibs $openssl_libs; }||
4706 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
4707 check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
4708 check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
4709 die "ERROR: openssl not found"; }
4711 enabled gnutls && check_lib gmp.h mpz_export -lgmp && enable gmp
4713 if enabled nvenc; then
4714 check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."
4715 check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||
4716 die "ERROR: NVENC API version 5 or older is not supported"
4719 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
4720 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
4721 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags &&
4725 ! disabled pod2man && check_cmd pod2man --help && enable pod2man || disable pod2man
4726 ! disabled texi2html && check_cmd texi2html -version && enable texi2html || disable texi2html
4728 check_header linux/fb.h
4729 check_header linux/videodev2.h
4730 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
4732 check_header AVFoundation/AVFoundation.h
4734 check_header sys/videoio.h
4736 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
4737 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
4738 # w32api 3.12 had it defined wrong
4739 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
4741 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
4742 { check_header dev/bktr/ioctl_meteor.h &&
4743 check_header dev/bktr/ioctl_bt848.h; } ||
4744 { check_header machine/ioctl_meteor.h &&
4745 check_header machine/ioctl_bt848.h; } ||
4746 { check_header dev/video/meteor/ioctl_meteor.h &&
4747 check_header dev/video/bktr/ioctl_bt848.h; } ||
4748 check_header dev/ic/bt8xx.h
4750 check_header sndio.h
4751 check_header sys/soundcard.h
4752 check_header soundcard.h
4754 enabled_any alsa_indev alsa_outdev &&
4755 check_lib alsa/asoundlib.h snd_pcm_htimestamp -lasound
4757 enabled jack_indev && check_lib jack/jack.h jack_client_open -ljack &&
4758 check_func jack_port_get_latency_range -ljack
4760 enabled_any sndio_indev sndio_outdev && check_lib sndio.h sio_open -lsndio
4762 if enabled libcdio; then
4763 check_lib "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4764 check_lib "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||
4765 die "ERROR: No usable libcdio/cdparanoia found"
4768 if enabled libxcb; then
4769 check_pkg_config xcb-shape xcb/shape.h xcb_shape_rectangles || {
4770 enabled libxcb && die "ERROR: libxcb not found";
4773 disabled libxcb_shm ||
4774 check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
4775 enabled libxcb_shm && die "ERROR: libxcb_shm not found";
4776 } && check_header sys/shm.h && enable libxcb_shm
4778 disabled libxcb_xfixes ||
4779 check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
4780 enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
4781 } && enable libxcb_xfixes
4783 add_cflags "$xcb_shape_cflags $xcb_shm_cflags $xcb_xfixes_cflags"
4784 add_extralibs "$xcb_shape_libs $xcb_shm_libs $xcb_xfixes_libs"
4787 enabled vaapi && require vaapi va/va.h vaInitialize -lva
4790 check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
4794 check_lib "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm &&
4798 check_lib "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 -lX11 &&
4802 check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
4806 check_lib "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11 &&
4809 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
4811 # add some useful compiler flags if supported
4812 check_cflags -Wdeclaration-after-statement
4814 check_cflags -Wdisabled-optimization
4815 check_cflags -Wpointer-arith
4816 check_cflags -Wredundant-decls
4817 check_cflags -Wwrite-strings
4818 check_cflags -Wtype-limits
4819 check_cflags -Wundef
4820 check_cflags -Wmissing-prototypes
4821 check_cflags -Wstrict-prototypes
4823 if enabled extra_warnings; then
4824 check_cflags -Wcast-qual
4825 check_cflags -Wextra
4826 check_cflags -Wpedantic
4829 check_disable_warning(){
4830 warning_flag=-W${1#-Wno-}
4831 test_cflags $warning_flag && add_cflags $1
4834 check_disable_warning -Wno-parentheses
4835 check_disable_warning -Wno-switch
4836 check_disable_warning -Wno-format-zero-length
4837 check_disable_warning -Wno-pointer-sign
4839 check_disable_warning_headers(){
4840 warning_flag=-W${1#-Wno-}
4841 test_cflags $warning_flag && add_cflags_headers $1
4844 check_disable_warning_headers -Wno-deprecated-declarations
4845 check_disable_warning_headers -Wno-unused-variable
4847 check_objcflags -fobjc-arc && enable objc_arc
4849 # add some linker flags
4850 check_ldflags -Wl,--warn-common
4851 check_ldflags -Wl,-rpath-link=libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
4852 enabled rpath && add_ldexeflags -Wl,-rpath,$libdir
4853 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
4855 # add some strip flags
4856 # -wN '..@*' is more selective than -x, but not available everywhere.
4857 check_stripflags -wN \'..@*\' || check_stripflags -x || strip='true'
4859 enabled neon_clobber_test &&
4860 check_ldflags -Wl,--wrap,avcodec_open2 \
4861 -Wl,--wrap,avcodec_decode_audio4 \
4862 -Wl,--wrap,avcodec_decode_video2 \
4863 -Wl,--wrap,avcodec_decode_subtitle2 \
4864 -Wl,--wrap,avcodec_encode_audio2 \
4865 -Wl,--wrap,avcodec_encode_video2 \
4866 -Wl,--wrap,avcodec_encode_subtitle \
4867 -Wl,--wrap,avcodec_send_packet \
4868 -Wl,--wrap,avcodec_receive_packet \
4869 -Wl,--wrap,avcodec_send_frame \
4870 -Wl,--wrap,avcodec_receive_frame \
4871 -Wl,--wrap,avresample_convert ||
4872 disable neon_clobber_test
4874 enabled xmm_clobber_test &&
4875 check_ldflags -Wl,--wrap,avcodec_open2 \
4876 -Wl,--wrap,avcodec_decode_audio4 \
4877 -Wl,--wrap,avcodec_decode_video2 \
4878 -Wl,--wrap,avcodec_decode_subtitle2 \
4879 -Wl,--wrap,avcodec_encode_audio2 \
4880 -Wl,--wrap,avcodec_encode_video2 \
4881 -Wl,--wrap,avcodec_encode_subtitle \
4882 -Wl,--wrap,avcodec_send_packet \
4883 -Wl,--wrap,avcodec_receive_packet \
4884 -Wl,--wrap,avcodec_send_frame \
4885 -Wl,--wrap,avcodec_receive_frame \
4886 -Wl,--wrap,avresample_convert \
4887 -Wl,--wrap,sws_scale ||
4888 disable xmm_clobber_test
4890 check_ld <<EOF && enable proper_dce
4891 extern const int array[512];
4892 static inline int func(void) { return array[0]; }
4893 int main(void) { return 0; }
4896 if enabled proper_dce; then
4897 echo "X { local: *; };" > $TMPV
4898 if test_ldflags -Wl,${version_script},$TMPV; then
4899 append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'
4900 check_cc <<EOF && enable symver_asm_label
4901 void ff_foo(void) __asm__ ("av_foo@VERSION");
4902 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
4904 check_cc <<EOF && enable symver_gnu_asm
4905 __asm__(".symver ff_foo,av_foo@VERSION");
4906 void ff_foo(void) {}
4911 if [ -z "$optflags" ]; then
4912 if enabled small; then
4913 optflags=$cflags_size
4914 elif enabled optimizations; then
4915 optflags=$cflags_speed
4917 optflags=$cflags_noopt
4923 enabled lto && check_ldflags "$@"
4927 if enabled lto; then
4928 test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"
4930 check_ldflags -flto $cpuflags
4933 check_optflags $optflags
4934 check_optflags -fno-math-errno
4935 check_optflags -fno-signed-zeros
4937 if enabled icc; then
4938 # Just warnings, no remarks
4940 # -wd: Disable following warnings
4941 # 144, 167, 556: -Wno-pointer-sign
4942 # 1292: attribute "foo" ignored
4943 # 1419: external declaration in primary source file
4944 # 10006: ignoring unknown option -fno-signed-zeros
4945 # 10148: ignoring unknown option -Wno-parentheses
4946 # 10156: ignoring option '-W'; no argument required
4947 check_cflags -wd144,167,556,1292,1419,10006,10148,10156
4948 # 11030: Warning unknown option --as-needed
4949 # 10156: ignoring option '-export'; no argument required
4950 check_ldflags -wd10156,11030
4951 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
4952 enable ebp_available
4953 if enabled x86_32; then
4954 icc_version=$($cc -dumpversion)
4955 test ${icc_version%%.*} -ge 11 &&
4956 check_cflags -falign-stack=maintain-16-byte ||
4957 disable aligned_stack
4959 elif enabled ccc; then
4960 # disable some annoying warnings
4961 add_cflags -msg_disable bitnotint
4962 add_cflags -msg_disable mixfuncvoid
4963 add_cflags -msg_disable nonstandcast
4964 add_cflags -msg_disable unsupieee
4965 elif enabled gcc; then
4966 check_optflags -fno-tree-vectorize
4967 check_cflags -Werror=implicit-function-declaration
4968 check_cflags -Werror=missing-prototypes
4969 check_cflags -Werror=return-type
4970 check_cflags -Werror=declaration-after-statement
4971 check_cflags -Werror=vla
4972 check_cflags -Werror=format-security
4973 check_cflags -fdiagnostics-color=auto
4974 enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized
4975 elif enabled llvm_gcc; then
4976 check_cflags -mllvm -stack-alignment=16
4977 elif enabled clang; then
4978 check_cflags -mllvm -stack-alignment=16
4979 check_cflags -Qunused-arguments
4980 check_cflags -Werror=implicit-function-declaration
4981 check_cflags -Werror=missing-prototypes
4982 check_cflags -Werror=return-type
4983 elif enabled cparser; then
4984 add_cflags -Wno-missing-variable-declarations
4985 add_cflags -Wno-empty-statement
4986 elif enabled armcc; then
4987 add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat
4988 add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir
4989 # 2523: use of inline assembly is deprecated
4990 add_cflags -W${armcc_opt},--diag_suppress=2523
4991 add_cflags -W${armcc_opt},--diag_suppress=1207
4992 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
4993 add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
4994 add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign
4995 add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign
4996 elif enabled tms470; then
4997 add_cflags -pds=824 -pds=837
4999 elif enabled pathscale; then
5000 add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
5001 elif enabled_any msvc icl; then
5002 enabled x86_32 && disable aligned_stack
5003 enabled_all x86_32 debug && add_cflags -Oy-
5004 enabled debug && add_ldflags -debug
5005 enable pragma_deprecated
5006 if enabled icl; then
5007 # -Qansi-alias is basically -fstrict-aliasing, but does not work
5008 # (correctly) on icl 13.x.
5009 check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&
5010 add_cflags -Qansi-alias
5011 # icl will pass the inline asm tests but inline asm is currently
5012 # not supported (build will fail)
5015 # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.
5016 check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2
5017 # The CRT headers contain __declspec(restrict) in a few places, but if redefining
5018 # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)
5019 # (as it ends up if the restrict redefine is done before including stdlib.h), while
5020 # MSVC 2013 and newer can handle it fine.
5021 # If this declspec fails, force including stdlib.h before the restrict redefinition
5022 # happens in config.h.
5023 if [ $_restrict != restrict ]; then
5024 check_cc <<EOF || add_cflags -FIstdlib.h
5025 __declspec($_restrict) void* foo(int);
5030 for pfx in "" host_; do
5031 varname=${pfx%_}cc_type
5032 eval "type=\$$varname"
5033 if [ $type = "msvc" ]; then
5034 check_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline
5035 static inline int foo(int a) { return a; }
5042 add_asflags -Qunused-arguments
5048 check_ldflags -Qunused-arguments
5054 enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
5058 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
5060 check_deps $CONFIG_LIST \
5065 enabled_all dxva2 CoTaskMemFree &&
5066 prepend avconv_libs $($ldflags_filter "-lole32") &&
5069 map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
5071 for thread in $THREADS_LIST; do
5072 if enabled $thread; then
5073 test -n "$thread_type" &&
5074 die "ERROR: Only one thread type must be selected." ||
5075 thread_type="$thread"
5079 if disabled stdatomic_h; then
5080 if enabled atomics_gcc; then
5081 add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'
5082 elif enabled atomics_win32; then
5083 add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'
5084 elif enabled atomics_suncc; then
5085 add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'
5086 elif enabled pthreads; then
5087 add_compat atomics/pthread/stdatomic.o
5088 add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'
5090 enabled threads && die "Threading is enabled, but no atomics are available"
5091 add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'
5095 enabled zlib && add_cppflags -DZLIB_CONST
5097 # conditional library dependencies, in linking order
5098 enabled movie_filter && prepend avfilter_deps "avformat avcodec"
5099 enabled_any asyncts_filter resample_filter &&
5100 prepend avfilter_deps "avresample"
5101 enabled scale_filter && prepend avfilter_deps "swscale"
5103 enabled opus_decoder && prepend avcodec_deps "avresample"
5107 eval "deps=\$$lib_deps"
5108 append $lib_deps $(map 'eval echo \$${v}_deps' $deps)
5112 map 'expand_deps $v' $LIBRARY_LIST
5114 if test "$quiet" != "yes"; then
5116 echo "install prefix $prefix"
5117 echo "source path $source_path"
5118 echo "C compiler $cc"
5119 echo "C library $libc_type"
5120 if test "$host_cc" != "$cc"; then
5121 echo "host C compiler $host_cc"
5122 echo "host C library $host_libc_type"
5124 echo "ARCH $arch ($cpu)"
5125 if test "$extra_version" != ""; then
5126 echo "version string suffix $extra_version"
5128 echo "big-endian ${bigendian-no}"
5129 echo "runtime cpu detection ${runtime_cpudetect-no}"
5130 if enabled x86; then
5131 echo "${yasmexe} ${yasm-no}"
5132 echo "MMX enabled ${mmx-no}"
5133 echo "MMXEXT enabled ${mmxext-no}"
5134 echo "3DNow! enabled ${amd3dnow-no}"
5135 echo "3DNow! extended enabled ${amd3dnowext-no}"
5136 echo "SSE enabled ${sse-no}"
5137 echo "SSSE3 enabled ${ssse3-no}"
5138 echo "AVX enabled ${avx-no}"
5139 echo "XOP enabled ${xop-no}"
5140 echo "FMA3 enabled ${fma3-no}"
5141 echo "FMA4 enabled ${fma4-no}"
5142 echo "i686 features enabled ${i686-no}"
5143 echo "CMOV is fast ${fast_cmov-no}"
5144 echo "EBX available ${ebx_available-no}"
5145 echo "EBP available ${ebp_available-no}"
5147 if enabled aarch64; then
5148 echo "NEON enabled ${neon-no}"
5149 echo "VFP enabled ${vfp-no}"
5151 if enabled arm; then
5152 echo "ARMv5TE enabled ${armv5te-no}"
5153 echo "ARMv6 enabled ${armv6-no}"
5154 echo "ARMv6T2 enabled ${armv6t2-no}"
5155 echo "VFP enabled ${vfp-no}"
5156 echo "NEON enabled ${neon-no}"
5158 if enabled ppc; then
5159 echo "AltiVec enabled ${altivec-no}"
5160 echo "VSX enabled ${vsx-no}"
5161 echo "POWER8 enabled ${power8-no}"
5162 echo "PPC 4xx optimizations ${ppc4xx-no}"
5163 echo "dcbzl available ${dcbzl-no}"
5165 echo "debug symbols ${debug-no}"
5166 echo "optimize for size ${small-no}"
5167 echo "optimizations ${optimizations-no}"
5168 echo "static ${static-no}"
5169 echo "shared ${shared-no}"
5170 echo "network support ${network-no}"
5171 echo "threading support ${thread_type-no}"
5172 echo "safe bitstream reader ${safe_bitstream_reader-no}"
5173 test -n "$random_seed" &&
5174 echo "random seed ${random_seed}"
5177 echo "External libraries:"
5178 print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
5180 echo "External libraries providing hardware acceleration:"
5181 print_enabled '' $HWACCEL_LIBRARY_LIST | print_3_columns
5185 print_enabled '' $LIBRARY_LIST | print_3_columns
5189 print_enabled '' $PROGRAM_LIST | print_3_columns
5192 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
5193 echo "Enabled ${type}s:"
5194 eval list=\$$(toupper $type)_LIST
5195 print_enabled '_*' $list | print_3_columns
5199 license="LGPL version 2.1 or later"
5200 if enabled nonfree; then
5201 license="nonfree and unredistributable"
5202 elif enabled gplv3; then
5203 license="GPL version 3 or later"
5204 elif enabled lgplv3; then
5205 license="LGPL version 3 or later"
5206 elif enabled gpl; then
5207 license="GPL version 2 or later"
5210 echo "License: $license"
5212 echo "Creating configuration files ..."
5214 fi # test "$quiet" != "yes"
5216 test -e Makefile || echo "include $source_path/Makefile" > Makefile
5218 config_files="$TMPH config.mak"
5220 cat > config.mak <<EOF
5221 # Automatically generated by configure - do not modify!
5222 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
5224 LIBDIR=\$(DESTDIR)$libdir
5225 SHLIBDIR=\$(DESTDIR)$shlibdir
5226 INCDIR=\$(DESTDIR)$incdir
5227 BINDIR=\$(DESTDIR)$bindir
5228 DATADIR=\$(DESTDIR)$datadir
5229 DOCDIR=\$(DESTDIR)$docdir
5230 MANDIR=\$(DESTDIR)$mandir
5231 SRC_PATH=$source_path
5234 INTRINSICS=$intrinsics
5241 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
5243 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
5254 OBJCFLAGS=$OBJCFLAGS
5269 LDEXEFLAGS=$LDEXEFLAGS
5270 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
5271 STRIPFLAGS=$STRIPFLAGS
5272 YASMFLAGS=$YASMFLAGS
5279 EXTRA_VERSION=$extra_version
5281 CCDEP_FLAGS=$CCDEP_FLAGS
5283 ASDEP_FLAGS=$ASDEP_FLAGS
5284 CC_DEPFLAGS=$CC_DEPFLAGS
5285 AS_DEPFLAGS=$AS_DEPFLAGS
5288 HOSTCFLAGS=$host_cflags
5289 HOSTCPPFLAGS=$host_cppflags
5290 HOSTEXESUF=$HOSTEXESUF
5291 HOSTLDFLAGS=$host_ldflags
5294 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
5295 HOSTCCDEP=$HOSTCCDEP
5296 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
5297 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
5301 TARGET_EXEC=$target_exec $target_exec_args
5302 TARGET_PATH=$target_path
5303 TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}
5304 CFLAGS-avplay=$sdl_cflags
5305 CFLAGS_HEADERS=$CFLAGS_HEADERS
5306 ZLIB=$($ldflags_filter -lz)
5307 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
5308 EXTRALIBS=$extralibs
5309 COMPAT_OBJS=$compat_objs
5311 LIBTARGET=${LIBTARGET}
5312 SLIBNAME=${SLIBNAME}
5313 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
5314 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
5315 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
5316 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
5317 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
5318 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
5319 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
5320 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
5321 VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}
5322 SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
5327 name=$(toupper $lcname)
5328 file=$source_path/$lcname/version.h
5329 eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
5330 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
5331 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
5332 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
5333 eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak
5336 map 'get_version $v' $LIBRARY_LIST
5338 map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST
5340 print_program_libs(){
5341 eval "program_libs=\$${1}_libs"
5342 eval echo "LIBS-${1}=${program_libs}" >> config.mak
5345 map 'print_program_libs $v' $PROGRAM_LIST
5348 /* Automatically generated by configure - do not modify! */
5349 #ifndef LIBAV_CONFIG_H
5350 #define LIBAV_CONFIG_H
5351 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
5352 #define LIBAV_LICENSE "$(c_escape $license)"
5353 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
5354 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
5355 #define restrict $_restrict
5356 #define EXTERN_PREFIX "${extern_prefix}"
5357 #define EXTERN_ASM ${extern_prefix}
5358 #define SLIBSUF "$SLIBSUF"
5361 test -n "$malloc_prefix" &&
5362 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
5364 if enabled yasm; then
5365 append config_files $TMPASM
5369 enabled getenv || echo "#define getenv(x) NULL" >> $TMPH
5371 print_config ARCH_ "$config_files" $ARCH_LIST
5372 print_config HAVE_ "$config_files" $HAVE_LIST
5373 print_config CONFIG_ "$config_files" $CONFIG_LIST \
5377 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
5379 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
5380 cp_if_changed $TMPH config.h
5383 enabled yasm && cp_if_changed $TMPASM config.asm
5386 /* Generated by ffconf */
5387 #ifndef AVUTIL_AVCONFIG_H
5388 #define AVUTIL_AVCONFIG_H
5391 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
5393 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
5395 cp_if_changed $TMPH libavutil/avconfig.h
5397 # generate the lists of enabled components
5398 print_enabled_components(){
5403 echo "static const $struct_name *$name[] = {" > $TMPH
5405 enabled $c && printf " &ff_%s,\n" $c >> $TMPH
5407 echo " NULL };" >> $TMPH
5408 cp_if_changed $TMPH $file
5411 print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST
5412 print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST
5414 test -n "$WARNINGS" && printf "\n$WARNINGS"
5416 # build pkg-config files
5419 eval printf "\"lib${1} >= \$LIB$(toupper ${1})_VERSION, \""
5422 pkgconfig_generate(){
5424 shortname=${name#lib}
5428 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps))
5429 requires=${requires%, }
5430 enabled ${name#lib} || return 0
5432 cat <<EOF > $name/$name.pc
5434 exec_prefix=\${prefix}
5439 Description: $comment
5441 Requires: $(enabled shared || echo $requires)
5442 Requires.private: $(enabled shared && echo $requires)
5444 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
5445 Libs.private: $(enabled shared && echo $libs)
5446 Cflags: -I\${includedir}
5448 cat <<EOF > $name/$name-uninstalled.pc
5451 libdir=\${pcfiledir}
5452 includedir=${source_path}
5455 Description: $comment
5459 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
5460 Cflags: -I\${includedir}
5464 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBRT $LIBM"
5465 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs"
5466 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs"
5467 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs"
5468 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
5469 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$LIBM"
5470 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM"