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:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --quiet Suppress showing informative output
67 --list-decoders show all available decoders
68 --list-encoders show all available encoders
69 --list-hwaccels show all available hardware accelerators
70 --list-demuxers show all available demuxers
71 --list-muxers show all available muxers
72 --list-parsers show all available parsers
73 --list-protocols show all available protocols
74 --list-bsfs show all available bitstream filters
75 --list-indevs show all available input devices
76 --list-outdevs show all available output devices
77 --list-filters show all available filters
80 --logfile=FILE log tests and output to FILE [avbuild/config.log]
81 --disable-logging do not log configure debug information
82 --prefix=PREFIX install in PREFIX [$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-libjack JACK audio sound server
207 --enable-libkvazaar HEVC video encoding
208 --enable-libmp3lame MP3 audio encoding
209 --enable-libopencore-amrnb AMR-NB audio encoding/decoding
210 --enable-libopencore-amrwb AMR-WB audio decoding
211 --enable-libopencv computer vision
212 --enable-libopenh264 H.264 video encoding/decoding
213 --enable-libopenjpeg JPEG 2000 image encoding/decoding
214 --enable-libopus Opus audio encoding/decoding
215 --enable-libpulse Pulseaudio sound server
216 --enable-librtmp RTMP streaming
217 --enable-libschroedinger Dirac video encoding/decoding
218 --enable-libsnappy snappy compression
219 --enable-libspeex Speex audio encoding/decoding
220 --enable-libtheora Theora video encoding/decoding
221 --enable-libtwolame MP2 audio encoding
222 --enable-libvo-aacenc AAC audio encoding
223 --enable-libvo-amrwbenc AMR-WB audio encoding
224 --enable-libvorbis Vorbis audio encoding/decoding
225 --enable-libvpx VP* video encoding/decoding
226 --enable-libwavpack Wavpack audio encoding/decoding
227 --enable-libwebp WebP image encoding/decoding
228 --enable-libx264 H.264 video encoding
229 --enable-libx265 HEVC video encoding
230 --enable-libxavs Chinese AVS video encoding
231 --enable-libxcb X window system protocol communication
232 --enable-libxcb-shm X11 shm communication [auto]
233 --enable-libxcb-xfixes X11 mouse rendering [auto]
234 --enable-libxvid MPEG-4 ASP video encoding
235 --enable-openssl crypto
236 --enable-zlib compression [autodetect]
238 The following libraries provide various hardware acceleration features:
239 --enable-cuda Nvidia CUDA (dynamically linked)
240 --enable-d3d11va Microsoft Direct3D 11 video acceleration [auto]
241 --enable-dxva2 Microsoft DirectX 9 video acceleration [auto]
242 --enable-libmfx Intel MediaSDK (AKA Quick Sync Video)
243 --enable-libnpp Nvidia CUDA processing
244 --enable-mmal Broadcom Multi-Media Abstraction Layer (Raspberry Pi)
245 --enable-nvenc Nvidia video encoding
246 --enable-omx OpenMAX IL
247 --enable-omx-rpi OpenMAX IL for Raspberry Pi
248 --enable-vaapi Video Acceleration API (mainly Unix/Intel)
249 --enable-vda Apple Video Decode Acceleration [auto]
250 --enable-vdpau Nvidia Video Decode and Presentation API for Unix [auto]
253 --arch=ARCH select architecture [$arch]
254 --cpu=CPU select the minimum required CPU (affects
255 instruction selection, may crash on older CPUs)
256 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
257 --enable-cross-compile assume a cross-compiler is used
258 --sysroot=PATH root of cross-build tree
259 --sysinclude=PATH location of cross-build system headers
260 --target-os=OS compiler targets OS [$target_os]
261 --target-exec=CMD command to run executables on target
262 --target-path=DIR path to view of build directory on target
263 --target-samples=DIR path to samples directory on target
264 --toolchain=NAME set tool defaults according to NAME
266 --ar=AR use archive tool AR [$ar_default]
267 --as=AS use assembler AS [$as_default]
268 --cc=CC use C compiler CC [$cc_default]
269 --objcc=OCC use ObjC compiler OCC [$cc_default]
270 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
271 --ld=LD use linker LD
272 --x86asmexe=X86ASM use x86 assembler X86ASM
273 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
274 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
275 --host-cc=HOSTCC use host C compiler HOSTCC
276 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
277 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
278 --host-ld=HOSTLD use host linker HOSTLD
279 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
280 --host-libs=HLIBS use libs HLIBS when linking for host
281 --host-os=OS compiler host OS [$target_os]
282 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
283 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
284 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
285 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
286 --extra-libs=ELIBS add ELIBS [$ELIBS]
287 --extra-version=STRING version string suffix []
288 --optflags=OPTFLAGS override optimization-related compiler flags
289 --enable-pic build position-independent code
290 --enable-thumb compile for Thumb instruction set
291 --enable-lto use link-time optimization
292 --env="ENV=override" override the environment variables
294 Advanced options (experts only):
295 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
296 --custom-allocator=NAME use a supported custom allocator
297 --disable-symver disable symbol versioning
298 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
299 --disable-safe-bitstream-reader
300 disable buffer boundary checking in bitreaders
301 (faster, but may crash)
302 --enable-sram allow use of on-chip SRAM
304 Optimization options (experts only):
305 --disable-asm disable all assembly optimizations
306 --disable-altivec disable AltiVec optimizations
307 --disable-vsx disable VSX optimizations
308 --disable-power8 disable POWER8 optimizations
309 --disable-amd3dnow disable 3DNow! optimizations
310 --disable-amd3dnowext disable 3DNow! extended optimizations
311 --disable-mmx disable MMX optimizations
312 --disable-mmxext disable MMXEXT optimizations
313 --disable-sse disable SSE optimizations
314 --disable-sse2 disable SSE2 optimizations
315 --disable-sse3 disable SSE3 optimizations
316 --disable-ssse3 disable SSSE3 optimizations
317 --disable-sse4 disable SSE4 optimizations
318 --disable-sse42 disable SSE4.2 optimizations
319 --disable-avx disable AVX optimizations
320 --disable-xop disable XOP optimizations
321 --disable-fma3 disable FMA3 optimizations
322 --disable-fma4 disable FMA4 optimizations
323 --disable-avx2 disable AVX2 optimizations
324 --disable-armv5te disable armv5te optimizations
325 --disable-armv6 disable armv6 optimizations
326 --disable-armv6t2 disable armv6t2 optimizations
327 --disable-vfp disable VFP optimizations
328 --disable-neon disable NEON optimizations
329 --disable-inline-asm disable use of inline assembly
330 --disable-x86asm disable use of standalone x86 assembly
332 Developer options (useful when working on Libav itself):
333 --disable-debug disable debugging symbols
334 --enable-debug=LEVEL set the debug level [$debuglevel]
335 --disable-optimizations disable compiler optimizations
336 --enable-extra-warnings enable more compiler warnings
337 --samples=PATH location of test samples for FATE, if not set use
338 \$LIBAV_SAMPLES at make invocation time.
339 --enable-neon-clobber-test check NEON registers for clobbering (should be
340 used only for debugging purposes)
341 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
342 should be used only for debugging purposes)
343 --enable-random randomly enable/disable components
345 --enable-random=LIST randomly enable/disable specific components or
346 --disable-random=LIST component groups. LIST is a comma-separated list
347 of NAME[:PROB] entries where NAME is a component
348 (group) and PROB the probability associated with
350 --random-seed=VALUE seed value for --enable/disable-random
351 --disable-valgrind-backtrace do not print a backtrace under Valgrind
352 (only applies to --disable-optimizations builds)
353 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
354 in the name) of tests whose result is ignored
356 NOTE: Object files are built at the place where configure is launched.
364 echo "$@" >> $logfile
371 printf '%5s %s\n' "${i}" "${line}"
373 done < $1 >> $logfile
384 WARNINGS="${WARNINGS}WARNING: $*\n"
391 If you think configure made a mistake, make sure you are using the latest
392 version from Git. If the latest version fails, report the problem to the
393 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
395 if disabled logging; then
397 Rerun configure with logging enabled (do not use --disable-logging), and
398 include the log this produces with your report.
402 Include the log file "$logfile" produced by configure as this will help
409 # Avoid locale weirdness, besides we really just want to translate ASCII.
411 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
415 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
419 echo "$*" | sed 's/["\\]/\\\0/g'
423 v=$(echo "$1" | sed "s/'/'\\\\''/g")
424 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
429 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
436 eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"
444 eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"
451 for v; do eval $m; done
457 for v; do echo ${v}${suffix}; done
472 eval : \${$var:=$value}
477 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
483 eval $(sanitize_var_name "$var")='$*'
487 eval echo \$$(sanitize_var_name "$1")
492 eval level=\${${pvar}_level:=0}
493 eval ${pvar}_${level}="\$$pvar"
494 eval ${pvar}_level=$(($level+1))
500 eval level=\${${pvar}_level:-0}
501 test $level = 0 && continue
502 eval level=$(($level-1))
503 eval $pvar="\${${pvar}_${level}}"
504 eval ${pvar}_level=$level
505 eval unset ${pvar}_${level}
527 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
533 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
539 enabled $var && continue
540 eval sel="\$${var}_select"
541 eval sgs="\$${var}_suggest"
545 enable_deep_weak $sgs
557 disabled $var && continue
566 test "${1#!}" = "$1" && op== || op=!=
567 eval test "x\$${1#!}" $op "xyes"
571 test "${1#!}" = "$1" && op== || op=!=
572 eval test "x\$${1#!}" $op "xno"
577 enabled $opt || return 1
583 disabled $opt || return 1
589 enabled $opt && return 0
595 disabled $opt && return 0
602 eval : \${$opt:=\$${opt}_default}
610 [ $var = $value ] && return 0
617 enabled ${cfg}_checking && die "Circular dependency for $cfg."
618 disabled ${cfg}_checking && continue
619 enable ${cfg}_checking
622 eval dep_all="\$${cfg}_deps"
623 eval dep_any="\$${cfg}_deps_any"
624 eval dep_con="\$${cfg}_conflict"
625 eval dep_sel="\$${cfg}_select"
626 eval dep_sgs="\$${cfg}_suggest"
627 eval dep_ifa="\$${cfg}_if"
628 eval dep_ifn="\$${cfg}_if_any"
630 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
631 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
632 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
634 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
635 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
636 enabled_all $dep_all || disable $cfg
637 enabled_any $dep_any || disable $cfg
638 disabled_all $dep_con || disable $cfg
639 disabled_any $dep_sel && disable $cfg
641 if enabled $cfg; then
643 enable_deep_weak $dep_sgs
644 for dep in $dep_all $dep_any $dep_sgs; do
645 # filter out library deps, these do not belong in extralibs
646 is_in $dep $LIBRARY_LIST && continue
647 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
651 disable ${cfg}_checking
659 map 'eval echo "$v \${$v:-no}"' "$@" |
660 awk "BEGIN { split(\"$files\", files) }
662 c = \"$pfx\" toupper(\$1);
668 if (file ~ /\\.h\$/) {
669 printf(\"#define %s %d\\n\", c, v) >>file;
670 } else if (file ~ /\\.asm\$/) {
671 printf(\"%%define %s %d\\n\", c, v) >>file;
672 } else if (file ~ /\\.mak\$/) {
673 n = -v ? \"\" : \"!\";
674 printf(\"%s%s=yes\\n\", n, c) >>file;
684 enabled $v && printf "%s\n" ${v%$suf}
691 eval "$var=\"\$$var $*\""
697 eval "$var=\"$* \$$var\""
703 for tok in $(eval echo \$$var); do
704 uniq_list="$(filter_out $tok $uniq_list) $tok"
706 eval "$var=\"${uniq_list}\""
712 for entry in $(eval echo \$$var); do
713 tmpvar="$tmpvar $(eval echo \$${entry})"
715 eval "$var=\"${tmpvar}\""
723 append CFLAGS $($cflags_filter "$@")
726 add_cflags_headers(){
727 append CFLAGS_HEADERS $($cflags_filter "$@")
731 append ASFLAGS $($asflags_filter "$@")
735 append OBJCFLAGS $($objcflags_filter "$@")
739 append LDFLAGS $($ldflags_filter "$@")
743 append LDEXEFLAGS $($ldflags_filter "$@")
747 append STRIPFLAGS "$@"
751 prepend extralibs $($ldflags_filter "$@")
755 append host_cppflags "$@"
759 append host_cflags $($host_cflags_filter "$@")
763 append host_ldflags $($host_ldflags_filter "$@")
767 append compat_objs $1
769 map 'add_cppflags -D$v' "$@"
774 "$@" >> $logfile 2>&1
778 eval printf '%s\\n' $CC_O
782 eval printf '%s\\n' $CC_E
789 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
796 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
803 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
807 eval printf '%s\\n' $AS_O
814 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
818 log check_inline_asm "$@"
823 check_cc "$@" <<EOF && enable $name
824 void foo(void){ __asm__ volatile($code); }
830 check_inline_asm ${1}_inline "\"$2\""
831 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
835 log check_x86asm "$@"
839 check_cmd $x86asmexe $X86ASMFLAGS "$@" -o $TMPO $TMPS
843 eval printf '%s\\n' $LD_O
848 flags=$(filter_out '-l*' "$@")
849 libs=$(filter '-l*' "$@")
850 check_cc $($cflags_filter $flags) || return
851 flags=$($ldflags_filter $flags)
852 libs=$($ldflags_filter $libs)
853 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
858 test "${hdr%.h}" = "${hdr}" &&
859 echo "#include $hdr" ||
860 echo "#include <$hdr>"
870 for hdr in $headers; do
873 echo "int main(void) { $code; return 0; }"
874 } | check_$check "$@"
878 log check_cppflags "$@"
879 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
886 set -- $($cflags_filter "$@")
893 log check_cflags "$@"
894 test_cflags "$@" && add_cflags "$@"
898 log test_objcflags "$@"
899 set -- $($objcflags_filter "$@")
900 check_objcc "$@" <<EOF
906 log check_objcflags "$@"
907 test_objcflags "$@" && add_objcflags "$@"
911 log test_ldflags "$@"
913 int main(void){ return 0; }
918 log check_ldflags "$@"
919 test_ldflags "$@" && add_ldflags "$@"
923 log test_stripflags "$@"
924 # call check_cc to get a fresh TMPO
926 int main(void) { return 0; }
928 check_cmd $strip $STRIPFLAGS "$@" $TMPO
932 log check_stripflags "$@"
933 test_stripflags "$@" && add_stripflags "$@"
937 log check_header "$@"
940 disable_sanitized $header
941 check_cpp "$@" <<EOF && enable_sanitized $header
952 check_ld "$@" <<EOF && enable $func
954 int main(void){ $func(); }
959 log check_mathfunc "$@"
963 test $narg = 2 && args="f, g" || args="f"
965 check_ld "$@" <<EOF && enable $func
967 float foo(float f, float g) { return $func($args); }
968 int main(void){ return 0; }
972 check_func_headers(){
973 log check_func_headers "$@"
978 for hdr in $headers; do
981 for func in $funcs; do
982 echo "long check_$func(void) { return (long) $func; }"
984 echo "int main(void) { return 0; }"
985 } | check_ld "$@" && enable $funcs && enable_sanitized $headers
988 check_cpp_condition(){
989 log check_cpp_condition "$@"
996 #error "unsatisfied condition: $condition"
1002 log test_cflags_cpp "$@"
1006 set -- $($cflags_filter "$flags")
1007 check_cpp "$@" <<EOF
1009 #error "unsatisfied condition: $condition"
1021 check_func_headers "$headers" "$funcs" "$@" &&
1022 enable $name && eval ${name}_extralibs="\$@"
1026 log check_pkg_config "$@"
1034 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1035 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1036 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1037 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1039 add_cflags "$pkg_cflags" &&
1040 eval $(sanitize_var_name ${name}_extralibs)="\$pkg_libs"
1044 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1048 log check_exec_crash "$@"
1051 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1052 # are safe but may not be available everywhere. Thus we use
1053 # raise(SIGTERM) instead. The check is run in a subshell so we
1054 # can redirect the "Terminated" message from the shell. SIGBUS
1055 # is not defined by standard C so it is used conditionally.
1057 (check_exec "$@") >> $logfile 2>&1 <<EOF
1059 static void sighandler(int sig){
1065 int (*func_ptr)(void) = foo;
1067 signal(SIGILL, sighandler);
1068 signal(SIGFPE, sighandler);
1069 signal(SIGSEGV, sighandler);
1071 signal(SIGBUS, sighandler);
1083 disable_sanitized "$type"
1084 check_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"
1088 log check_struct "$@"
1093 disable_sanitized "${struct}_${member}"
1094 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1095 enable_sanitized "${struct}_${member}"
1099 log check_builtin "$@"
1105 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1108 check_compile_assert(){
1109 log check_compile_assert "$@"
1115 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1125 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1132 check_header "$header" "$@" || die "ERROR: $header not found"
1135 require_cpp_condition(){
1140 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1143 require_pkg_config(){
1144 log require_pkg_config "$@"
1146 check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1150 eval printf '%s\\n' $HOSTCC_E
1154 eval printf '%s\\n' $HOSTCC_O
1158 log check_host_cc "$@"
1161 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1165 log check_host_cpp "$@"
1168 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1171 check_host_cppflags(){
1172 log check_host_cppflags "$@"
1173 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1174 #include <stdlib.h>;
1178 check_host_cflags(){
1179 log check_host_cflags "$@"
1180 set -- $($host_cflags_filter "$@")
1181 check_host_cc "$@" <<EOF && append host_cflags "$@"
1186 check_host_cpp_condition(){
1187 log check_host_cpp_condition "$@"
1191 check_host_cpp "$@" <<EOF
1194 #error "unsatisfied condition: $condition"
1202 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1206 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1207 mkdir -p "$(dirname $2)"
1211 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1212 # system-dependent things.
1214 AVCODEC_COMPONENTS="
1222 AVDEVICE_COMPONENTS="
1226 AVFILTER_COMPONENTS="
1229 AVFORMAT_COMPONENTS="
1235 AVRESAMPLE_COMPONENTS=""
1236 AVUTIL_COMPONENTS=""
1240 $AVDEVICE_COMPONENTS
1241 $AVFILTER_COMPONENTS
1242 $AVFORMAT_COMPONENTS
1243 $AVRESAMPLE_COMPONENTS
1248 decode_audio_example
1249 decode_video_example
1250 encode_audio_example
1251 encode_video_example
1252 filter_audio_example
1256 transcode_aac_example
1259 # catchall list of things that require external libs to link
1265 HWACCEL_LIBRARY_NONFREE_LIST="
1269 HWACCEL_LIBRARY_LIST="
1270 $HWACCEL_LIBRARY_NONFREE_LIST
1282 EXTERNAL_LIBRARY_GPL_LIST="
1290 EXTERNAL_LIBRARY_NONFREE_LIST="
1296 EXTERNAL_LIBRARY_VERSION3_LIST="
1303 EXTERNAL_LIBRARY_LIST="
1304 $EXTERNAL_LIBRARY_GPL_LIST
1305 $EXTERNAL_LIBRARY_NONFREE_LIST
1306 $EXTERNAL_LIBRARY_VERSION3_LIST
1342 SYSTEM_LIBRARY_LIST="
1352 safe_bitstream_reader
1395 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1398 $EXTERNAL_LIBRARY_LIST
1399 $HWACCEL_LIBRARY_LIST
1405 $SYSTEM_LIBRARY_LIST
1464 ARCH_EXT_LIST_X86_SIMD="
1492 $ARCH_EXT_LIST_X86_SIMD
1497 ARCH_EXT_LIST_MIPS="
1534 sync_val_compare_and_swap
1548 AVFoundation_AVFoundation_h
1553 cdio_paranoia_paranoia_h
1556 dev_bktr_ioctl_bt848_h
1557 dev_bktr_ioctl_meteor_h
1559 dev_video_bktr_ioctl_bt848_h
1560 dev_video_meteor_ioctl_meteor_h
1567 machine_ioctl_bt848_h
1568 machine_ioctl_meteor_h
1632 GetProcessAffinityMask
1633 GetProcessMemoryInfo
1636 GetSystemTimeAsFileTime
1652 SetConsoleTextAttribute
1663 TOOLCHAIN_FEATURES="
1686 CONDITION_VARIABLE_Ptr
1689 struct_group_source_req
1690 struct_ip_mreq_source
1693 struct_rusage_ru_maxrss
1695 struct_sockaddr_sa_len
1696 struct_sockaddr_storage
1697 struct_v4l2_frmivalenum_discrete
1702 $(add_suffix _external $ARCH_EXT_LIST)
1703 $(add_suffix _inline $ARCH_EXT_LIST)
1718 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1727 # options emitted with CONFIG_ prefix but not available on the command line
1878 # code dependency declarations
1880 # architecture extensions
1885 armv8_deps="aarch64"
1886 neon_deps_any="aarch64 arm"
1887 intrinsics_neon_deps="neon"
1888 vfp_deps_any="aarch64 arm"
1891 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1899 x86_64_select="i686"
1900 x86_64_suggest="fast_cmov"
1903 amd3dnowext_deps="amd3dnow"
1919 mmx_external_deps="x86asm"
1920 mmx_inline_deps="inline_asm"
1921 mmx_suggest="mmx_external mmx_inline"
1923 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1924 eval dep=\$${ext}_deps
1925 eval ${ext}_external_deps='"${dep}_external"'
1926 eval ${ext}_inline_deps='"${dep}_inline"'
1927 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1930 aligned_stack_if_any="aarch64 ppc x86"
1931 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1932 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1933 fast_unaligned_if_any="aarch64 ppc x86"
1934 simd_align_16_if_any="altivec neon sse"
1935 simd_align_32_if_any="avx"
1937 # system capabilities
1938 symver_if_any="symver_asm_label symver_gnu_asm"
1939 valgrind_backtrace_conflict="optimizations"
1940 valgrind_backtrace_deps="valgrind_valgrind_h"
1943 atomics_gcc_if="sync_val_compare_and_swap"
1944 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1945 atomics_win32_if="MemoryBarrier"
1946 atomics_native_if_any="$ATOMICS_LIST"
1947 w32threads_deps="atomics_native"
1948 threads_if_any="$THREADS_LIST"
1952 dirac_parse_select="golomb"
1953 error_resilience_select="me_cmp"
1954 faandct_deps="faan fdctdsp"
1955 faanidct_deps="faan idctdsp"
1956 h264dsp_select="startcode"
1957 hevc_ps_select="golomb"
1958 intrax8_select="blockdsp idctdsp"
1961 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1962 mpeg_er_select="error_resilience"
1963 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1964 mpegaudiodsp_select="dct"
1965 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1966 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1967 vc1dsp_select="h264chroma qpeldsp startcode"
1969 # decoders / encoders
1970 aac_decoder_select="adts_header imdct15 mdct sinewin"
1971 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1972 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1973 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1974 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1975 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1976 adpcm_g722_decoder_select="g722dsp"
1977 adpcm_g722_encoder_select="g722dsp"
1978 aic_decoder_select="golomb idctdsp"
1979 alac_encoder_select="lpc"
1980 als_decoder_select="bswapdsp"
1981 amrnb_decoder_select="lsp"
1982 amrwb_decoder_select="lsp"
1983 amv_decoder_select="sp5x_decoder"
1984 ape_decoder_select="bswapdsp"
1985 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1986 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1987 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1988 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1989 atrac1_decoder_select="mdct sinewin"
1990 atrac3_decoder_select="mdct"
1991 atrac3p_decoder_select="mdct sinewin"
1992 bink_decoder_select="blockdsp hpeldsp"
1993 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1994 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1995 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1996 cllc_decoder_select="bswapdsp"
1997 comfortnoise_encoder_select="lpc"
1998 cook_decoder_select="audiodsp mdct sinewin"
1999 cscd_decoder_select="lzo"
2000 cscd_decoder_suggest="zlib"
2001 dca_decoder_select="fmtconvert mdct"
2002 dds_decoder_select="texturedsp"
2003 dnxhd_decoder_select="blockdsp idctdsp"
2004 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2005 dvvideo_decoder_select="dvprofile idctdsp"
2006 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2007 dxa_decoder_deps="zlib"
2008 dxv_decoder_select="lzf texturedsp"
2009 eac3_decoder_select="ac3_decoder"
2010 eac3_encoder_select="ac3_encoder"
2011 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2012 eatgq_decoder_select="aandcttables idctdsp"
2013 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2014 exr_decoder_deps="zlib"
2015 ffv1_decoder_select="rangecoder"
2016 ffv1_encoder_select="rangecoder"
2017 ffvhuff_decoder_select="huffyuv_decoder"
2018 ffvhuff_encoder_select="huffyuv_encoder"
2019 fic_decoder_select="golomb"
2020 flac_decoder_select="flacdsp"
2021 flac_encoder_select="bswapdsp flacdsp lpc"
2022 flashsv_decoder_deps="zlib"
2023 flashsv_encoder_deps="zlib"
2024 flashsv2_decoder_deps="zlib"
2025 flv_decoder_select="h263_decoder"
2026 flv_encoder_select="h263_encoder"
2027 fourxm_decoder_select="blockdsp bswapdsp"
2028 fraps_decoder_select="bswapdsp huffman"
2029 g2m_decoder_deps="zlib"
2030 g2m_decoder_select="blockdsp idctdsp jpegtables"
2031 h261_decoder_select="mpeg_er mpegvideo"
2032 h261_encoder_select="aandcttables mpegvideoenc"
2033 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2034 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2035 h263i_decoder_select="h263_decoder"
2036 h263p_encoder_select="h263_encoder"
2037 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2038 h264_decoder_suggest="error_resilience"
2039 hap_decoder_select="snappy texturedsp"
2040 hap_encoder_deps="libsnappy"
2041 hap_encoder_select="texturedspenc"
2042 hevc_decoder_select="bswapdsp cabac hevc_ps videodsp"
2043 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2044 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2045 iac_decoder_select="imc_decoder"
2046 imc_decoder_select="bswapdsp fft mdct sinewin"
2047 indeo3_decoder_select="hpeldsp"
2048 indeo4_decoder_select="ividsp"
2049 indeo5_decoder_select="ividsp"
2050 interplay_video_decoder_select="hpeldsp"
2051 jpegls_decoder_select="mjpeg_decoder"
2052 jv_decoder_select="blockdsp"
2053 lagarith_decoder_select="huffyuvdsp"
2054 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2055 magicyuv_decoder_select="huffyuvdsp"
2056 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2057 metasound_decoder_select="lsp mdct sinewin"
2058 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2059 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2060 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2061 mjpegb_decoder_select="mjpeg_decoder"
2062 mlp_decoder_select="mlp_parser"
2063 motionpixels_decoder_select="bswapdsp"
2064 mp1_decoder_select="mpegaudio"
2065 mp1float_decoder_select="mpegaudio"
2066 mp2_decoder_select="mpegaudio"
2067 mp2float_decoder_select="mpegaudio"
2068 mp3_decoder_select="mpegaudio"
2069 mp3adu_decoder_select="mpegaudio"
2070 mp3adufloat_decoder_select="mpegaudio"
2071 mp3float_decoder_select="mpegaudio"
2072 mp3on4_decoder_select="mpegaudio"
2073 mp3on4float_decoder_select="mpegaudio"
2074 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2075 mpc8_decoder_select="mpegaudiodsp"
2076 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2077 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2078 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2079 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2080 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2081 mpeg4_encoder_select="h263_encoder"
2082 msa1_decoder_select="mss34dsp"
2083 msmpeg4v1_decoder_select="h263_decoder"
2084 msmpeg4v2_decoder_select="h263_decoder"
2085 msmpeg4v2_encoder_select="h263_encoder"
2086 msmpeg4v3_decoder_select="h263_decoder"
2087 msmpeg4v3_encoder_select="h263_encoder"
2088 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2089 mts2_decoder_select="mss34dsp"
2090 mxpeg_decoder_select="mjpeg_decoder"
2091 nellymoser_decoder_select="mdct sinewin"
2092 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2093 nuv_decoder_select="idctdsp lzo"
2094 on2avc_decoder_select="mdct"
2095 opus_decoder_deps="avresample"
2096 opus_decoder_select="imdct15"
2097 png_decoder_deps="zlib"
2098 png_encoder_deps="zlib"
2099 png_encoder_select="huffyuvencdsp"
2100 prores_decoder_select="idctdsp"
2101 prores_encoder_select="fdctdsp"
2102 qcelp_decoder_select="lsp"
2103 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2104 ra_144_encoder_select="audio_frame_queue lpc"
2105 ralf_decoder_select="golomb"
2106 rscc_decoder_deps="zlib"
2107 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2108 rv10_encoder_select="h263_encoder"
2109 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2110 rv20_encoder_select="h263_encoder"
2111 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2112 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2113 screenpresso_decoder_deps="zlib"
2114 sipr_decoder_select="lsp"
2115 sp5x_decoder_select="mjpeg_decoder"
2116 svq1_decoder_select="hpeldsp"
2117 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2118 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2119 svq3_decoder_suggest="zlib"
2120 tak_decoder_select="audiodsp"
2121 tdsc_decoder_deps="zlib"
2122 tdsc_decoder_select="mjpeg_decoder"
2123 theora_decoder_select="vp3_decoder"
2124 thp_decoder_select="mjpeg_decoder"
2125 tiff_decoder_suggest="zlib"
2126 tiff_encoder_suggest="zlib"
2127 truehd_decoder_select="mlp_decoder"
2128 truemotion2_decoder_select="bswapdsp"
2129 truespeech_decoder_select="bswapdsp"
2130 tscc_decoder_deps="zlib"
2131 txd_decoder_select="texturedsp"
2132 twinvq_decoder_select="mdct lsp sinewin"
2133 utvideo_decoder_select="bswapdsp huffyuvdsp"
2134 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2135 vble_decoder_select="huffyuvdsp"
2136 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2137 vc1image_decoder_select="vc1_decoder"
2138 vorbis_decoder_select="mdct"
2139 vorbis_encoder_select="mdct"
2140 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2141 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2142 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2143 vp6a_decoder_select="vp6_decoder"
2144 vp6f_decoder_select="vp6_decoder"
2145 vp7_decoder_select="h264pred videodsp vp8dsp"
2146 vp8_decoder_select="h264pred videodsp vp8dsp"
2147 vp9_decoder_select="videodsp vp9_superframe_split_bsf"
2148 webp_decoder_select="vp8_decoder"
2149 wmapro_decoder_select="mdct sinewin wma_freqs"
2150 wmav1_decoder_select="mdct sinewin wma_freqs"
2151 wmav1_encoder_select="mdct sinewin wma_freqs"
2152 wmav2_decoder_select="mdct sinewin wma_freqs"
2153 wmav2_encoder_select="mdct sinewin wma_freqs"
2154 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2155 wmv1_decoder_select="h263_decoder"
2156 wmv1_encoder_select="h263_encoder"
2157 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2158 wmv2_encoder_select="h263_encoder wmv2dsp"
2159 wmv3_decoder_select="vc1_decoder"
2160 wmv3image_decoder_select="wmv3_decoder"
2161 zerocodec_decoder_deps="zlib"
2162 zlib_decoder_deps="zlib"
2163 zlib_encoder_deps="zlib"
2164 zmbv_decoder_deps="zlib"
2165 zmbv_encoder_deps="zlib"
2167 # hardware accelerators
2168 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2169 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2170 dxva2_lib_deps="dxva2"
2171 vda_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension pthreads"
2172 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2174 h263_vaapi_hwaccel_deps="vaapi"
2175 h263_vaapi_hwaccel_select="h263_decoder"
2176 h264_d3d11va_hwaccel_deps="d3d11va"
2177 h264_d3d11va_hwaccel_select="h264_decoder"
2178 h264_dxva2_hwaccel_deps="dxva2"
2179 h264_dxva2_hwaccel_select="h264_decoder"
2180 h264_mmal_hwaccel_deps="mmal"
2181 h264_qsv_hwaccel_deps="libmfx"
2182 h264_vaapi_hwaccel_deps="vaapi"
2183 h264_vaapi_hwaccel_select="h264_decoder"
2184 h264_vda_hwaccel_deps="vda"
2185 h264_vda_hwaccel_select="h264_decoder"
2186 h264_vda_old_hwaccel_deps="vda"
2187 h264_vda_old_hwaccel_select="h264_decoder"
2188 h264_vdpau_hwaccel_deps="vdpau"
2189 h264_vdpau_hwaccel_select="h264_decoder"
2190 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2191 hevc_d3d11va_hwaccel_select="hevc_decoder"
2192 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2193 hevc_dxva2_hwaccel_select="hevc_decoder"
2194 hevc_qsv_hwaccel_deps="libmfx"
2195 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2196 hevc_vaapi_hwaccel_select="hevc_decoder"
2197 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2198 hevc_vdpau_hwaccel_select="hevc_decoder"
2199 mpeg1_vdpau_hwaccel_deps="vdpau"
2200 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2201 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2202 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2203 mpeg2_dxva2_hwaccel_deps="dxva2"
2204 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2205 mpeg2_mmal_hwaccel_deps="mmal"
2206 mpeg2_qsv_hwaccel_deps="libmfx"
2207 mpeg2_vaapi_hwaccel_deps="vaapi"
2208 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2209 mpeg2_vdpau_hwaccel_deps="vdpau"
2210 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2211 mpeg4_vaapi_hwaccel_deps="vaapi"
2212 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2213 mpeg4_vdpau_hwaccel_deps="vdpau"
2214 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2215 vc1_d3d11va_hwaccel_deps="d3d11va"
2216 vc1_d3d11va_hwaccel_select="vc1_decoder"
2217 vc1_dxva2_hwaccel_deps="dxva2"
2218 vc1_dxva2_hwaccel_select="vc1_decoder"
2219 vc1_mmal_hwaccel_deps="mmal"
2220 vc1_qsv_hwaccel_deps="libmfx"
2221 vc1_vaapi_hwaccel_deps="vaapi"
2222 vc1_vaapi_hwaccel_select="vc1_decoder"
2223 vc1_vdpau_hwaccel_deps="vdpau"
2224 vc1_vdpau_hwaccel_select="vc1_decoder"
2225 vp8_qsv_hwaccel_deps="libmfx"
2226 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2227 vp8_vaapi_hwaccel_select="vp8_decoder"
2228 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2229 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2230 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2231 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2233 # hardware-accelerated codecs
2234 nvenc_deps_any="libdl LoadLibrary"
2235 omx_deps="libdl pthreads"
2236 omx_rpi_select="omx"
2239 vaapi_encode_deps="vaapi"
2241 hwupload_cuda_filter_deps="cuda"
2242 scale_npp_filter_deps="cuda libnpp"
2244 h264_mmal_decoder_deps="mmal"
2245 h264_nvenc_encoder_deps="nvenc"
2246 h264_omx_encoder_deps="omx"
2247 h264_qsv_decoder_deps="libmfx"
2248 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2249 h264_qsv_encoder_deps="libmfx"
2250 h264_qsv_encoder_select="qsvenc"
2251 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2252 h264_vaapi_encoder_select="vaapi_encode golomb"
2253 hevc_nvenc_encoder_deps="nvenc"
2254 hevc_qsv_decoder_deps="libmfx"
2255 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2256 hevc_qsv_encoder_deps="libmfx"
2257 hevc_qsv_encoder_select="hevc_ps qsvenc"
2258 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2259 hevc_vaapi_encoder_select="vaapi_encode golomb"
2260 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2261 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2262 mpeg2_mmal_decoder_deps="mmal"
2263 mpeg2_qsv_decoder_deps="libmfx"
2264 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2265 mpeg2_qsv_encoder_deps="libmfx"
2266 mpeg2_qsv_encoder_select="qsvenc"
2267 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2268 mpeg2_vaapi_encoder_select="vaapi_encode"
2269 mpeg4_omx_encoder_deps="omx"
2270 vc1_mmal_decoder_deps="mmal"
2271 vc1_qsv_decoder_deps="libmfx"
2272 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2273 vp8_qsv_decoder_deps="libmfx"
2274 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2275 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2276 vp8_vaapi_encoder_select="vaapi_encode"
2277 vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"
2278 vp9_vaapi_encoder_select="vaapi_encode"
2280 nvenc_h264_encoder_select="h264_nvenc_encoder"
2281 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2284 aac_parser_select="adts_header"
2285 h264_parser_select="golomb h264dsp h264parse"
2286 hevc_parser_select="hevc_ps"
2287 mpegaudio_parser_select="mpegaudioheader"
2288 mpegvideo_parser_select="mpegvideo"
2289 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2290 vc1_parser_select="vc1dsp"
2293 aac_adtstoasc_bsf_select="adts_header"
2294 mjpeg2jpeg_bsf_select="jpegtables"
2296 # external libraries
2297 avisynth_deps="LoadLibrary"
2298 avxsynth_deps="libdl"
2299 avisynth_demuxer_deps_any="avisynth avxsynth"
2300 avisynth_demuxer_select="riffdec"
2301 libdcadec_decoder_deps="libdcadec"
2302 libfaac_encoder_deps="libfaac"
2303 libfaac_encoder_select="audio_frame_queue"
2304 libfdk_aac_decoder_deps="libfdk_aac"
2305 libfdk_aac_encoder_deps="libfdk_aac"
2306 libfdk_aac_encoder_select="audio_frame_queue"
2307 libgsm_decoder_deps="libgsm"
2308 libgsm_encoder_deps="libgsm"
2309 libgsm_ms_decoder_deps="libgsm"
2310 libgsm_ms_encoder_deps="libgsm"
2311 libilbc_decoder_deps="libilbc"
2312 libilbc_encoder_deps="libilbc"
2313 libkvazaar_encoder_deps="libkvazaar"
2314 libmp3lame_encoder_deps="libmp3lame"
2315 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2316 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2317 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2318 libopencore_amrnb_encoder_select="audio_frame_queue"
2319 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2320 libopenh264_decoder_deps="libopenh264"
2321 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2322 libopenh264_encoder_deps="libopenh264"
2323 libopenjpeg_decoder_deps="libopenjpeg"
2324 libopenjpeg_encoder_deps="libopenjpeg"
2325 libopus_decoder_deps="libopus"
2326 libopus_encoder_deps="libopus"
2327 libopus_encoder_select="audio_frame_queue"
2328 libschroedinger_decoder_deps="libschroedinger"
2329 libschroedinger_encoder_deps="libschroedinger"
2330 libspeex_decoder_deps="libspeex"
2331 libspeex_encoder_deps="libspeex"
2332 libspeex_encoder_select="audio_frame_queue"
2333 libtheora_encoder_deps="libtheora"
2334 libtwolame_encoder_deps="libtwolame"
2335 libvo_aacenc_encoder_deps="libvo_aacenc"
2336 libvo_aacenc_encoder_select="audio_frame_queue"
2337 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2338 libvorbis_encoder_deps="libvorbis"
2339 libvorbis_encoder_select="audio_frame_queue"
2340 libvpx_vp8_decoder_deps="libvpx"
2341 libvpx_vp8_encoder_deps="libvpx"
2342 libvpx_vp9_decoder_deps="libvpx"
2343 libvpx_vp9_encoder_deps="libvpx"
2344 libwavpack_encoder_deps="libwavpack"
2345 libwavpack_encoder_select="audio_frame_queue"
2346 libwebp_encoder_deps="libwebp"
2347 libx262_encoder_deps="libx262"
2348 libx264_encoder_deps="libx264"
2349 libx265_encoder_deps="libx265"
2350 libxavs_encoder_deps="libxavs"
2351 libxvid_encoder_deps="libxvid mkstemp"
2354 ac3_demuxer_select="ac3_parser"
2355 asf_demuxer_select="riffdec"
2356 asf_muxer_select="riffenc"
2357 asf_stream_muxer_select="asf_muxer"
2358 avi_demuxer_select="iso_media riffdec"
2359 avi_muxer_select="riffenc"
2360 caf_demuxer_select="iso_media riffdec"
2361 dash_muxer_select="mp4_muxer"
2362 dirac_demuxer_select="dirac_parser"
2363 dv_demuxer_select="dvprofile"
2364 dv_muxer_select="dvprofile"
2365 dxa_demuxer_select="riffdec"
2366 eac3_demuxer_select="ac3_parser"
2367 f4v_muxer_select="mov_muxer"
2368 flac_demuxer_select="flac_parser"
2369 hds_muxer_select="flv_muxer"
2370 hls_muxer_select="mpegts_muxer"
2371 ipod_muxer_select="mov_muxer"
2372 ismv_muxer_select="mov_muxer"
2373 matroska_audio_muxer_select="matroska_muxer"
2374 matroska_demuxer_select="iso_media riffdec"
2375 matroska_demuxer_suggest="bzlib lzo zlib"
2376 matroska_muxer_select="iso_media riffenc"
2377 mmf_muxer_select="riffenc"
2378 mov_demuxer_select="iso_media riffdec"
2379 mov_demuxer_suggest="zlib"
2380 mov_muxer_select="iso_media riffenc rtpenc_chain"
2381 mp3_demuxer_select="mpegaudio_parser"
2382 mp3_muxer_select="mpegaudioheader"
2383 mp4_muxer_select="mov_muxer"
2384 mpegts_demuxer_select="iso_media"
2385 mpegts_muxer_select="adts_muxer latm_muxer"
2386 mpegtsraw_demuxer_select="mpegts_demuxer"
2387 mxf_d10_muxer_select="mxf_muxer"
2388 nut_muxer_select="riffenc"
2389 nuv_demuxer_select="riffdec"
2390 oga_muxer_select="ogg_muxer"
2391 ogg_demuxer_select="dirac_parse"
2392 opus_muxer_select="ogg_muxer"
2393 psp_muxer_select="mov_muxer"
2394 rtp_demuxer_select="sdp_demuxer"
2395 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2396 rtsp_demuxer_select="http_protocol rtpdec"
2397 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2398 sap_demuxer_select="sdp_demuxer"
2399 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2400 sdp_demuxer_select="rtpdec"
2401 smoothstreaming_muxer_select="ismv_muxer"
2402 spdif_demuxer_select="adts_header"
2403 spdif_muxer_select="adts_header"
2404 spx_muxer_select="ogg_muxer"
2405 swf_demuxer_suggest="zlib"
2406 tak_demuxer_select="tak_parser"
2407 tg2_muxer_select="mov_muxer"
2408 tgp_muxer_select="mov_muxer"
2409 w64_demuxer_select="wav_demuxer"
2410 wav_demuxer_select="riffdec"
2411 wav_muxer_select="riffenc"
2412 webm_muxer_select="iso_media riffenc"
2413 wtv_demuxer_select="mpegts_demuxer riffdec"
2414 xmv_demuxer_select="riffdec"
2415 xwma_demuxer_select="riffdec"
2418 alsa_indev_deps="alsa"
2419 alsa_outdev_deps="alsa"
2420 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2421 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2422 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2423 dv1394_indev_deps="dv1394"
2424 dv1394_indev_select="dv_demuxer"
2425 fbdev_indev_deps="linux_fb_h"
2426 jack_indev_deps="libjack"
2427 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2428 libcdio_indev_deps="libcdio"
2429 libdc1394_indev_deps="libdc1394"
2430 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2431 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2432 pulse_indev_deps="libpulse"
2433 sndio_indev_deps="sndio"
2434 sndio_outdev_deps="sndio"
2435 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2436 vfwcap_indev_deps="vfw32 vfwcap_defines"
2437 xcbgrab_indev_deps="libxcb libxcb_shape"
2438 xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
2441 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
2442 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2443 ffrtmpcrypt_protocol_select="tcp_protocol"
2444 ffrtmphttp_protocol_conflict="librtmp_protocol"
2445 ffrtmphttp_protocol_select="http_protocol"
2446 gopher_protocol_select="network"
2447 http_protocol_select="tcp_protocol"
2448 httpproxy_protocol_select="tcp_protocol"
2449 https_protocol_select="tls_protocol"
2450 icecast_protocol_select="http_protocol"
2451 librtmp_protocol_deps="librtmp"
2452 librtmpe_protocol_deps="librtmp"
2453 librtmps_protocol_deps="librtmp"
2454 librtmpt_protocol_deps="librtmp"
2455 librtmpte_protocol_deps="librtmp"
2456 mmsh_protocol_select="http_protocol"
2457 mmst_protocol_select="network"
2458 rtmp_protocol_conflict="librtmp_protocol"
2459 rtmp_protocol_select="tcp_protocol"
2460 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2461 rtmps_protocol_conflict="librtmp_protocol"
2462 rtmps_protocol_select="tls_protocol"
2463 rtmpt_protocol_select="ffrtmphttp_protocol"
2464 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2465 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2466 rtp_protocol_select="udp_protocol"
2467 sctp_protocol_deps="struct_sctp_event_subscribe"
2468 sctp_protocol_select="network"
2469 srtp_protocol_select="rtp_protocol srtp"
2470 tcp_protocol_select="network"
2471 tls_gnutls_protocol_deps="gnutls"
2472 tls_gnutls_protocol_select="tcp_protocol"
2473 tls_openssl_protocol_conflict="tls_gnutls_protocol"
2474 tls_openssl_protocol_deps="openssl"
2475 tls_openssl_protocol_select="tcp_protocol"
2476 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2477 udp_protocol_select="network"
2478 unix_protocol_deps="sys_un_h"
2479 unix_protocol_select="network"
2482 asyncts_filter_deps="avresample"
2483 blackframe_filter_deps="gpl"
2484 boxblur_filter_deps="gpl"
2485 bs2b_filter_deps="libbs2b"
2486 cropdetect_filter_deps="gpl"
2487 deinterlace_qsv_filter_deps="libmfx"
2488 deinterlace_vaapi_filter_deps="vaapi"
2489 delogo_filter_deps="gpl"
2490 drawtext_filter_deps="libfreetype"
2491 drawtext_filter_suggest="libfontconfig"
2492 frei0r_filter_deps="frei0r libdl"
2493 frei0r_src_filter_deps="frei0r libdl"
2494 hdcd_filter_deps="libhdcd"
2495 hqdn3d_filter_deps="gpl"
2496 interlace_filter_deps="gpl"
2497 movie_filter_deps="avcodec avformat"
2498 ocv_filter_deps="libopencv"
2499 resample_filter_deps="avresample"
2500 scale_filter_deps="swscale"
2501 scale_qsv_filter_deps="libmfx"
2502 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2505 decode_audio_example_deps="avcodec avutil"
2506 decode_video_example_deps="avcodec avutil"
2507 encode_audio_example_deps="avcodec avutil"
2508 encode_video_example_deps="avcodec avutil"
2509 filter_audio_example_deps="avfilter avutil"
2510 metadata_example_deps="avformat avutil"
2511 output_example_deps="avcodec avformat avresample avutil swscale"
2512 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2513 transcode_aac_example_deps="avcodec avformat avresample"
2516 cpu_init_extralibs="pthreads_extralibs"
2517 cws2fws_extralibs="zlib_extralibs"
2519 # libraries, in linking order
2520 avcodec_deps="avutil"
2521 avcodec_select="null_bsf"
2522 avdevice_deps="avformat avcodec avutil"
2523 avfilter_deps="avutil"
2524 avformat_deps="avcodec avutil"
2525 avformat_suggest="network"
2526 avresample_deps="avutil"
2527 swscale_deps="avutil"
2529 avcodec_extralibs="pthreads_extralibs libm_extralibs"
2530 avdevice_extralibs="libm_extralibs"
2531 avformat_extralibs="libm_extralibs"
2532 avfilter_extralibs="pthreads_extralibs libm_extralibs"
2533 avresample_extralibs="libm_extralibs"
2534 avutil_extralibs="clock_gettime_extralibs cuda_extralibs libm_extralibs libmfx_extralibs nanosleep_extralibs pthreads_extralibs user32_extralibs vaapi_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs wincrypt_extralibs"
2535 swscale_extralibs="libm_extralibs"
2538 avconv_deps="avcodec avfilter avformat avresample swscale"
2539 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2540 fps_filter null_filter resample_filter scale_filter
2542 avconv_suggest="dxva2_lib ole32 psapi shell32"
2543 avplay_deps="avcodec avfilter avformat avresample sdl"
2544 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2545 avplay_suggest="shell32"
2546 avprobe_deps="avcodec avformat"
2547 avprobe_suggest="shell32"
2551 texi2html_deps="doc"
2553 # default parameters
2555 logfile="avbuild/config.log"
2557 # installation paths
2558 prefix_default="/usr/local"
2559 bindir_default='${prefix}/bin'
2560 datadir_default='${prefix}/share/avconv'
2561 docdir_default='${prefix}/share/doc/libav'
2562 incdir_default='${prefix}/include'
2563 libdir_default='${prefix}/lib'
2564 mandir_default='${prefix}/share/man'
2565 shlibdir_default="$libdir_default"
2570 host_cc_default="gcc"
2571 x86asmexe_default="nasm"
2574 pkg_config_default=pkg-config
2577 version_script='--version-script'
2580 arch_default=$(uname -m)
2585 target_os_default=$(tolower $(uname -s))
2586 host_os=$target_os_default
2588 # configurable options
2589 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2594 enable faan faandct faanidct
2595 enable optimizations
2596 enable safe_bitstream_reader
2598 enable swscale_alpha
2599 enable valgrind_backtrace
2601 # By default, enable only those hwaccels that have no external dependencies.
2602 enable d3d11va dxva2 vda vdpau
2604 # internal components are enabled by default
2605 enable $EXTRALIBS_LIST
2607 # Avoid external, non-system, libraries getting enabled by dependency resolution
2608 disable $EXTERNAL_LIBRARY_LIST
2611 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2614 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2617 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2618 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2619 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2620 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2621 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2622 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2623 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2646 host_extralibs='-lm'
2647 host_cflags_filter=echo
2648 host_ldflags_filter=echo
2650 target_path='$(CURDIR)'
2652 # since the object filename is not given with the -MM flag, the compiler
2653 # is only able to print the basename, and we must add the path ourselves
2654 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2660 if test -f configure; then
2663 source_path=$(cd $(dirname "$0"); pwd)
2664 echo "$source_path" | grep -q '[[:blank:]]' &&
2665 die "Out of tree builds are impossible with whitespace in source path."
2666 test -e "$source_path/config.h" &&
2667 die "Out of tree builds are impossible with config.h in source dir."
2674 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2680 file=$source_path/$3
2681 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2684 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2685 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2686 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2687 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2688 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2689 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2690 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2691 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2692 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2694 find_things_extern(){
2697 file=$source_path/$3
2698 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2701 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2702 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2704 AVCODEC_COMPONENTS_LIST="
2712 AVDEVICE_COMPONENTS_LIST="
2717 AVFILTER_COMPONENTS_LIST="
2721 AVFORMAT_COMPONENTS_LIST="
2728 $AVCODEC_COMPONENTS_LIST
2729 $AVDEVICE_COMPONENTS_LIST
2730 $AVFILTER_COMPONENTS_LIST
2731 $AVFORMAT_COMPONENTS_LIST
2734 for n in $COMPONENT_LIST; do
2735 v=$(toupper ${n%s})_LIST
2737 eval ${n}_if_any="\$$v"
2740 enable $ARCH_EXT_LIST
2743 echo "Unknown option \"$1\"."
2744 echo "See $0 --help for available options."
2749 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2755 echo $* | sed s/$suffix//g | print_3_columns
2767 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2768 echo "prob ${prob:-0.5}"
2776 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2777 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2786 --extra-ldexeflags=*)
2787 add_ldexeflags $optval
2790 add_extralibs $optval
2793 disable $INDEV_LIST $OUTDEV_LIST
2796 debuglevel="$optval"
2799 disable $PROGRAM_LIST
2801 --disable-everything)
2802 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2805 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2806 disable $LIBRARY_LIST $PROGRAM_LIST doc
2808 --enable-random|--disable-random)
2809 action=${opt%%-random}
2810 do_random ${action#--} $COMPONENT_LIST
2812 --enable-random=*|--disable-random=*)
2813 action=${opt%%-random=*}
2814 do_random ${action#--} $optval
2816 --enable-*=*|--disable-*=*)
2817 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2818 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2819 eval list=\$$(toupper $thing)_LIST
2820 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2821 $action $(filter "$name" $list)
2823 --enable-avserver|--disable-avserver*)
2824 warn "avserver has been removed, the ${opt} option is only"\
2825 "provided for compatibility and will be removed in the future"
2827 --enable-yasm|--disable-yasm)
2828 warn "The ${opt} option is only provided for compatibility and will be\n"\
2829 "removed in the future. Use --enable-x86asm / --disable-x86asm instead."
2830 test $opt = --enable-yasm && x86asm=yes || x86asm=no
2832 --enable-?*|--disable-?*)
2833 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2834 if is_in $option $COMPONENT_LIST; then
2835 test $action = disable && action=unset
2836 eval $action \$$(toupper ${option%s})_LIST
2837 elif is_in $option $CMDLINE_SELECT; then
2844 NAME="${opt#--list-}"
2845 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2847 eval show_list $NAME \$$(toupper $NAME)_LIST
2849 --help|-h) show_help
2851 --quiet|-q) quiet=yes
2854 optname="${opt%%=*}"
2855 optname="${optname#--}"
2856 optname=$(echo "$optname" | sed 's/-/_/g')
2857 if is_in $optname $CMDLINE_SET; then
2858 eval $optname='$optval'
2859 elif is_in $optname $CMDLINE_APPEND; then
2860 append $optname "$optval"
2872 disabled logging && logfile=/dev/null
2874 # Die early if licensing-related configure options are incompatible.
2875 die_license_disabled() {
2876 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2879 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2880 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2881 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2883 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2885 # Disable all the library-specific components if the library itself
2886 # is disabled, see AVCODEC_LIST and following _LIST variables.
2888 disable_components(){
2889 disabled ${1} && disable $(
2890 eval components="\$$(toupper ${1})_COMPONENTS"
2891 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2895 map 'disable_components $v' $LIBRARY_LIST
2897 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2900 case "$toolchain" in
2902 cc_default="${toolchain%-asan}"
2903 add_cflags -fsanitize=address
2904 add_ldflags -fsanitize=address
2907 cc_default="${toolchain%-msan}"
2908 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2909 add_ldflags -fsanitize=memory
2912 cc_default="${toolchain%-tsan}"
2913 add_cflags -fsanitize=thread -fPIE
2914 add_ldflags -fsanitize=thread -pie
2915 case "$toolchain" in
2923 cc_default="${toolchain%-usan}"
2924 add_cflags -fsanitize=undefined
2925 add_ldflags -fsanitize=undefined
2926 case "$toolchain" in
2933 target_exec_default="valgrind"
2934 case "$toolchain" in
2936 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2939 target_exec_args="--track-origins=yes --leak-check=full"
2944 # Check whether the current MSVC version needs the C99 converter.
2945 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2946 # support enough of C99 to build libav. Default to the new
2947 # behaviour if the regexp was unable to match anything, since this
2948 # successfully parses the version number of existing supported
2949 # versions that require the converter (MSVC 2010 and 2012).
2950 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2951 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2954 cc_default="c99wrap cl"
2956 ld_default="$source_path/compat/windows/mslink"
2957 nm_default="dumpbin -symbols"
2964 target_os_default="win32"
2965 # Use a relative path for TMPDIR. This makes sure all the
2966 # ffconf temp files are written with a relative path, avoiding
2967 # issues with msys/win32 path conversion for MSVC parameters
2968 # such as -Fo<file> or -out:<file>.
2974 nm_default="dumpbin -symbols"
2976 target_os_default="win32"
2980 add_cflags -fprofile-arcs -ftest-coverage
2981 add_ldflags -fprofile-arcs -ftest-coverage
2984 add_cflags -fprofile-arcs -ftest-coverage
2985 add_ldflags --coverage
2988 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2989 add_cflags -fno-strict-overflow -fstack-protector-all
2990 add_ldflags -Wl,-z,relro -Wl,-z,now
2993 die "Unknown toolchain $toolchain"
2997 test -n "$cross_prefix" && enable cross_compile
2999 if enabled cross_compile; then
3000 test -n "$arch" && test -n "$target_os" ||
3001 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3004 ar_default="${cross_prefix}${ar_default}"
3005 cc_default="${cross_prefix}${cc_default}"
3006 objcc_default="${cross_prefix}${objcc_default}"
3007 x86asmexe_default="${cross_prefix}${x86asmexe_default}"
3008 nm_default="${cross_prefix}${nm_default}"
3009 pkg_config_default="${cross_prefix}${pkg_config_default}"
3010 ranlib="${cross_prefix}${ranlib}"
3011 strip="${cross_prefix}${strip}"
3013 sysinclude_default="${sysroot}/usr/include"
3015 set_default arch cc pkg_config sysinclude target_exec target_os x86asmexe
3016 enabled cross_compile || host_cc_default=$cc
3019 if ! $pkg_config --version >/dev/null 2>&1; then
3020 warn "$pkg_config not found, library detection may fail."
3026 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3030 EXESUF=$(exesuf $target_os)
3031 HOSTEXESUF=$(exesuf $host_os)
3033 # set temporary file name
3034 : ${TMPDIR:=$TEMPDIR}
3038 if ! check_cmd mktemp -u XXXXXX; then
3039 # simple replacement for missing mktemp
3040 # NOT SAFE FOR GENERAL USE
3042 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3048 AVTMPDIR=$(mktemp -d "${TMPDIR}/avconf.XXXXXXXX" 2> /dev/null) ||
3049 die "Unable to create temporary directory in $TMPDIR."
3052 tmp="${AVTMPDIR}/test"$2
3053 (set -C; exec > $tmp) 2> /dev/null ||
3054 die "Unable to create temporary file in $AVTMPDIR."
3058 trap 'rm -rf -- "$AVTMPDIR"' EXIT
3063 tmpfile TMPE $EXESUF
3074 # make sure we can execute files in $TMPDIR
3075 cat > $TMPSH 2>> $logfile <<EOF
3078 chmod +x $TMPSH >> $logfile 2>&1
3079 if ! $TMPSH >> $logfile 2>&1; then
3081 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3082 variable to another directory and make sure that it is not mounted noexec.
3084 die "Sanity test failed."
3090 # Filter out MSVC cl.exe options from cflags that shouldn't
3091 # be passed to gas-preprocessor
3101 -std=c99) echo -c99 ;;
3102 -mcpu=*) echo -arch ${flag#*=} ;;
3103 -mieee) echo -ieee ;;
3104 -O*|-fast) echo $flag ;;
3105 -fno-math-errno) echo -assume nomath_errno ;;
3107 -Wall) echo -msg_enable level2 ;;
3108 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3109 -Wl,*) echo $flag ;;
3119 -Wno-switch) echo -Wno-switch-enum ;;
3120 -Wno-format-zero-length) ;;
3121 -Wdisabled-optimization) ;;
3122 -Wno-pointer-sign) echo -Wno-other ;;
3128 msvc_common_flags(){
3131 # In addition to specifying certain flags under the compiler
3132 # specific filters, they must be specified here as well or else the
3133 # generic catch all at the bottom will print the original flag.
3138 -fomit-frame-pointer) ;;
3142 -fno-signed-zeros) ;;
3146 -lz) echo zlib.lib ;;
3147 -lx264) echo libx264.lib ;;
3148 -l*) echo ${flag#-l}.lib ;;
3149 -L*) echo -libpath:${flag#-L} ;;
3156 msvc_common_flags "$@"
3159 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
3161 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3162 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3163 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3164 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3170 msvc_common_flags "$@"
3173 # Despite what Intel's documentation says -Wall, which is supported
3174 # on Windows, does enable remarks so disable them here.
3175 -Wall) echo $flag -Qdiag-disable:remark ;;
3176 -std=c99) echo -Qstd=c99 ;;
3184 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3185 -fomit-frame-pointer) echo -Mnoframe ;;
3196 case "${flag#*=}" in
3197 native) echo -xtarget=native ;;
3198 v9|niagara) echo -xarch=sparc ;;
3199 ultrasparc) echo -xarch=sparcvis ;;
3200 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3201 i586|pentium) echo -xchip=pentium ;;
3202 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3203 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3204 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3205 pentium4*) echo -xtarget=pentium4 ;;
3206 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3207 *-sse3) echo -xarch=sse3 ;;
3208 core2) echo -xarch=ssse3 -xchip=core2 ;;
3209 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3210 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3211 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3212 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3213 k8|opteron|athlon64|athlon-fx)
3214 echo -xarch=sse2a ;;
3215 athlon*) echo -xarch=pentium_proa ;;
3218 -std=c99) echo -xc99 ;;
3219 -fomit-frame-pointer) echo -xregs=frameptr ;;
3220 -fPIC) echo -KPIC -xcode=pic32 ;;
3221 -W*,*) echo $flag ;;
3222 -f*-*|-W*|-mimpure-text) ;;
3233 case "${flag#*=}" in
3234 armv7-a|cortex-a*) echo -mv=7a8 ;;
3235 armv7-r|cortex-r*) echo -mv=7r4 ;;
3236 armv7-m|cortex-m*) echo -mv=7m3 ;;
3237 armv6*|arm11*) echo -mv=6 ;;
3238 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3240 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3243 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3244 -mfpu=vfp) echo --float_support=vfpv2 ;;
3245 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3246 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3247 -msoft-float) echo --float_support=vfplib ;;
3248 -O[0-3]|-mf=*) echo $flag ;;
3250 -pds=*) echo $flag ;;
3251 -D*|-I*) echo $flag ;;
3252 --gcc|--abi=*) echo $flag ;;
3262 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3263 unset _ld_o _ldflags _ld_lib _ld_path
3264 unset _depflags _DEPCMD _DEPFLAGS
3267 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3269 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3270 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3271 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3274 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3276 gcc_version=$($_cc --version | head -n1)
3277 gcc_basever=$($_cc -dumpversion)
3278 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3279 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3280 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3281 if ! $_cc -dumpversion | grep -q '^2\.'; then
3282 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3286 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3288 _ident=$($_cc --version | head -n1)
3293 elif $_cc -v 2>&1 | grep -q xlc; then
3295 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3297 _cflags_size='-O5 -qcompact'
3298 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3300 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3302 _cflags_speed='-fast'
3304 _flags_filter=ccc_flags
3305 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3306 test -d "$sysroot" || die "No valid sysroot specified."
3308 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3309 armcc_conf="$PWD/armcc.conf"
3310 $_cc --arm_linux_configure \
3311 --arm_linux_config_file="$armcc_conf" \
3312 --configure_sysroot="$sysroot" \
3313 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3314 die "Error creating armcc configuration file."
3315 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3316 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3317 as_default="${cross_prefix}gcc"
3321 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3323 _ident=$($_cc -version | head -n1 | tr -s ' ')
3324 _flags='--gcc --abi=eabi -me'
3327 _depflags='-ppa -ppd=$(@:.o=.d)'
3328 _cflags_speed='-O3 -mf=5'
3329 _cflags_size='-O3 -mf=2'
3330 _flags_filter=tms470_flags
3331 elif $_cc -v 2>&1 | grep -q clang; then
3333 _ident=$($_cc --version 2>/dev/null | head -n1)
3334 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3337 elif $_cc -V 2>&1 | grep -q Sun; then
3339 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3340 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3341 _DEPFLAGS='-xM1 -xc99'
3344 _cflags_size='-O5 -xspace'
3345 _flags_filter=suncc_flags
3346 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3348 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3349 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3352 _flags_filter='filter_out -Wdisabled-optimization'
3353 elif $_cc -v 2>&1 | grep -q Open64; then
3355 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3356 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3359 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3360 elif $_cc -V 2>&1 | grep -q Portland; then
3362 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3363 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3364 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3365 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3367 _flags_filter=pgi_flags
3368 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3370 _ident=$($_cc | head -n1)
3371 # 4509: "This form of conditional instruction is deprecated"
3372 _flags="-nologo -ignore 4509"
3373 _flags_filter=armasm_flags
3374 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3376 _ident=$($_cc 2>&1 | head -n1)
3377 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3378 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3382 if $_cc -nologo- 2>&1 | grep -q Linker; then
3389 _flags_filter=msvc_flags
3391 _ld_path='-libpath:'
3393 elif $_cc 2>&1 | grep -q Intel; then
3395 _ident=$($_cc 2>&1 | head -n1)
3396 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3397 # Not only is O3 broken on 13.x+ but it is slower on all previous
3398 # versions (tested) as well.
3400 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3401 if $_cc 2>&1 | grep -q Linker; then
3408 _flags_filter=icl_flags
3410 _ld_path='-libpath:'
3411 # -Qdiag-error to make icl error when seeing certain unknown arguments
3412 _flags='-nologo -Qdiag-error:4044,10157'
3413 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3414 # with MSVC which enables it by default.
3415 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3416 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3417 # lld can emulate multiple different linkers; in ms link.exe mode,
3418 # the -? parameter gives the help output which contains an identifyable
3419 # string, while it gives an error in other modes.
3421 # The link.exe mode doesn't have a switch for getting the version,
3422 # but we can force it back to gnu mode and get the version from there.
3423 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3425 _flags_filter=msvc_flags
3427 _ld_path='-libpath:'
3428 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3430 _ident=$($_cc --version | head -n1)
3434 _flags_filter=cparser_flags
3437 eval ${pfx}_type=\$_type
3438 eval ${pfx}_ident=\$_ident
3442 eval ${1}_C=\${_cc_c-\${${1}_C}}
3443 eval ${1}_E=\${_cc_e-\${${1}_E}}
3444 eval ${1}_O=\${_cc_o-\${${1}_O}}
3446 if [ -n "$_depflags" ]; then
3447 eval ${1}_DEPFLAGS=\$_depflags
3449 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3450 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3451 eval DEP${1}FLAGS=\$_flags
3456 cflags_filter=$_flags_filter
3457 cflags_speed=$_cflags_speed
3458 cflags_size=$_cflags_size
3459 cflags_noopt=$_cflags_noopt
3460 add_cflags $_flags $_cflags
3461 cc_ldflags=$_ldflags
3464 probe_cc hostcc "$host_cc"
3465 host_cflags_filter=$_flags_filter
3466 host_cflags_speed=$_cflags_speed
3467 add_host_cflags $_flags $_cflags
3470 test -n "$cc_type" && enable $cc_type ||
3471 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3473 : ${as_default:=$cc}
3474 : ${objcc_default:=$cc}
3475 : ${dep_cc_default:=$cc}
3476 : ${ld_default:=$cc}
3477 : ${host_ld_default:=$host_cc}
3478 set_default ar as objcc dep_cc ld host_ld
3481 asflags_filter=$_flags_filter
3482 add_asflags $_flags $_cflags
3485 probe_cc objcc "$objcc"
3486 objcflags_filter=$_flags_filter
3487 add_objcflags $_flags $_cflags
3491 ldflags_filter=$_flags_filter
3492 add_ldflags $_flags $_ldflags
3493 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3495 LD_LIB=${_ld_lib-$LD_LIB}
3496 LD_PATH=${_ld_path-$LD_PATH}
3498 probe_cc hostld "$host_ld"
3499 host_ldflags_filter=$_flags_filter
3500 add_host_ldflags $_flags $_ldflags
3501 HOSTLD_O=${_ld_o-$HOSTLD_O}
3503 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3504 probe_cc depcc "$dep_cc"
3505 CCDEP=${_DEPCMD:-$DEPCMD}
3506 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3510 if $ar 2>&1 | grep -q Microsoft; then
3513 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3516 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3517 arflags='-Xany -r -c'
3524 add_cflags $extra_cflags
3525 add_objcflags $extra_objcflags
3526 add_asflags $extra_cflags
3528 if test -n "$sysroot"; then
3531 add_cppflags --sysroot="$sysroot"
3532 add_ldflags --sysroot="$sysroot"
3535 add_cppflags -I"$sysinclude"
3536 add_ldflags --sysroot="$sysroot"
3541 if test "$cpu" = host; then
3542 enabled cross_compile &&
3543 die "--cpu=host makes no sense when cross-compiling."
3548 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3550 s/.*$1=\\([^ ]*\\).*/\\1/
3555 cpu=$(check_native -march || check_native -mcpu)
3559 test "${cpu:-host}" = host &&
3560 die "--cpu=host not supported with compiler $cc"
3563 # Deal with common $arch aliases
3587 "Power Macintosh"|ppc*|powerpc*)
3602 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3607 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3610 # Add processor-specific flags
3611 if enabled aarch64; then
3615 cpuflags="-march=$cpu"
3618 cpuflags="-mcpu=$cpu"
3622 elif enabled alpha; then
3624 cpuflags="-mcpu=$cpu"
3626 elif enabled arm; then
3629 check_cpp_condition stddef.h \
3630 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3635 if check_arm_arch 4; then echo armv4
3636 elif check_arm_arch 4T; then echo armv4t
3637 elif check_arm_arch 5; then echo armv5
3638 elif check_arm_arch 5E; then echo armv5e
3639 elif check_arm_arch 5T; then echo armv5t
3640 elif check_arm_arch 5TE; then echo armv5te
3641 elif check_arm_arch 5TEJ; then echo armv5te
3642 elif check_arm_arch 6; then echo armv6
3643 elif check_arm_arch 6J; then echo armv6j
3644 elif check_arm_arch 6K; then echo armv6k
3645 elif check_arm_arch 6Z; then echo armv6z
3646 elif check_arm_arch 6ZK; then echo armv6zk
3647 elif check_arm_arch 6T2; then echo armv6t2
3648 elif check_arm_arch 7; then echo armv7
3649 elif check_arm_arch 7A 7_A; then echo armv7-a
3650 elif check_arm_arch 7S; then echo armv7-a
3651 elif check_arm_arch 7R 7_R; then echo armv7-r
3652 elif check_arm_arch 7M 7_M; then echo armv7-m
3653 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3654 elif check_arm_arch 8A 8_A; then echo armv8-a
3658 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3662 cpuflags="-march=$cpu"
3663 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3666 cpuflags="-mcpu=$cpu"
3668 cortex-a*) subarch=armv7a ;;
3669 cortex-r*) subarch=armv7r ;;
3670 cortex-m*) enable thumb; subarch=armv7m ;;
3671 arm11*) subarch=armv6 ;;
3672 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3673 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3674 *) subarch=$(probe_arm_arch) ;;
3680 armv5t*) enable fast_clz ;;
3681 armv[6-8]*) enable fast_clz fast_unaligned ;;
3684 elif enabled avr32; then
3689 cpuflags="-mpart=$cpu"
3693 cpuflags="-march=$cpu"
3697 cpuflags="-mcpu=$cpu"
3701 cpuflags="-march=$cpu"
3705 elif enabled bfin; then
3707 cpuflags="-mcpu=$cpu"
3709 elif enabled mips; then
3711 cpuflags="-march=$cpu"
3713 elif enabled ppc; then
3717 case $(tolower $cpu) in
3718 601|ppc601|powerpc601)
3719 cpuflags="-mcpu=601"
3722 603*|ppc603*|powerpc603*)
3723 cpuflags="-mcpu=603"
3726 604*|ppc604*|powerpc604*)
3727 cpuflags="-mcpu=604"
3730 g3|75*|ppc75*|powerpc75*)
3731 cpuflags="-mcpu=750"
3734 g4|745*|ppc745*|powerpc745*)
3735 cpuflags="-mcpu=7450"
3738 74*|ppc74*|powerpc74*)
3739 cpuflags="-mcpu=7400"
3742 g5|970|ppc970|powerpc970)
3743 cpuflags="-mcpu=970"
3747 cpuflags="-mcpu=$cpu"
3751 cpuflags="-mcpu=$cpu"
3755 cpuflags="-mcpu=cell"
3760 cpuflags="-mcpu=e500mc"
3764 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3769 cpuflags="-mcpu=8540 -mhard-float"
3775 elif enabled sparc; then
3778 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3779 cpuflags="-mcpu=$cpu"
3781 ultrasparc*|niagara[234])
3782 cpuflags="-mcpu=$cpu"
3786 elif enabled x86; then
3790 cpuflags="-march=$cpu"
3794 # targets that do NOT support nopl and conditional mov (cmov)
3795 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3796 cpuflags="-march=$cpu"
3799 # targets that do support nopl and conditional mov (cmov)
3800 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3801 cpuflags="-march=$cpu"
3805 # targets that do support conditional mov but on which it's slow
3806 pentium4|pentium4m|prescott|nocona)
3807 cpuflags="-march=$cpu"
3815 if [ "$cpu" != generic ]; then
3816 add_cflags $cpuflags
3817 add_asflags $cpuflags
3818 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3821 # compiler sanity check
3823 int main(void){ return 0; }
3825 if test "$?" != 0; then
3826 echo "$cc is unable to create an executable file."
3827 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3828 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3829 echo "Only do this if you know what cross compiling means."
3831 die "C compiler test failed."
3834 add_cppflags -D_ISOC99_SOURCE
3836 # some compilers silently accept -std=c11, so we also need to check that the
3837 # version macro is defined properly
3838 check_cpp_condition stdlib.h "__STDC_VERSION__ >= 201112L" -std=c11 &&
3839 add_cflags -std=c11 ||
3840 check_cflags -std=c99
3842 check_cppflags -D_FILE_OFFSET_BITS=64
3843 check_cppflags -D_LARGEFILE_SOURCE
3845 add_host_cppflags -D_ISOC99_SOURCE
3846 check_host_cflags -std=c99
3847 check_host_cflags -Wall
3848 check_host_cflags $host_cflags_speed
3854 check_code cc "" "int test[2*($expr) - 1]" &&
3855 subarch=$arch64 || subarch=$arch32
3863 check_64bit mips mips64 '_MIPS_SIM > 1'
3867 check_64bit parisc parisc64 'sizeof(void *) > 4'
3871 check_64bit ppc ppc64 'sizeof(void *) > 4'
3875 check_64bit s390 s390x 'sizeof(void *) > 4'
3879 check_64bit sparc sparc64 'sizeof(void *) > 4'
3883 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3884 if test "$subarch" = "x86_64"; then
3891 enabled spic && enable_weak pic
3893 enabled x86_64 && objformat=elf64 || objformat="elf32"
3899 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3900 enabled shared && add_ldflags -Wl,-brtl
3904 enable section_data_rel_ro
3905 SLIB_INSTALL_NAME='$(SLIBNAME)'
3907 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3910 prefix_default="/boot/common"
3911 network_extralibs="-lnetwork"
3915 SHFLAGS='-shared -Wl,-h,$$(@F)'
3916 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3917 network_extralibs="-lsocket -lnsl"
3918 # When using suncc to build, the Solaris linker will mark
3919 # an executable with each instruction set encountered by
3920 # the Solaris assembler. As our libraries contain their own
3921 # guards for processor-specific code, instead suppress
3922 # generation of the HWCAPS ELF section on Solaris x86 only.
3923 enabled_all suncc x86 &&
3924 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3925 add_ldflags -Wl,-M,mapfile
3926 nm_default='nm -P -g'
3928 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3932 oss_indev_extralibs="-lossaudio"
3933 oss_outdev_extralibs="-lossaudio"
3938 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3940 oss_indev_extralibs="-lossaudio"
3941 oss_outdev_extralibs="-lossaudio"
3949 add_extralibs -lpoll -lgnugetopt
3952 enabled ppc && add_asflags -force_cpusubtype_ALL
3953 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3954 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3955 add_ldflags -Wl,-dynamic,-search_paths_first
3956 check_cflags -Werror=partial-availability
3958 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
3959 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
3960 enabled x86_64 && objformat="macho64" || objformat="macho32"
3961 enabled_any pic shared ||
3962 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3963 check_header dispatch/dispatch.h &&
3964 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3967 die "Native MSYS builds are discouraged, please use the MINGW environment."
3970 if test $target_os = "mingw32ce"; then
3976 if enabled x86_64; then
3977 LIBTARGET="i386:x86-64"
3978 elif enabled arm; then
3981 check_ldflags -Wl,--nxcompat
3982 check_ldflags -Wl,--dynamicbase
3983 shlibdir_default="$bindir_default"
3986 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3987 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
3988 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3989 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3991 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3992 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3993 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3994 enabled x86_64 && objformat="win64" || objformat="win32"
3995 dlltool="${cross_prefix}dlltool"
4001 if enabled shared; then
4002 # Link to the import library instead of the normal static library
4005 # Cannot build both shared and static libs with MSVC or icl.
4008 shlibdir_default="$bindir_default"
4011 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4012 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4013 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4014 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4016 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4017 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4018 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4019 enabled x86_64 && objformat="win64" || objformat="win32"
4025 shlibdir_default="$bindir_default"
4028 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4029 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4030 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4032 SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
4033 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
4034 enabled x86_64 && objformat="win64" || objformat="win32"
4037 *-dos|freedos|opendos)
4038 network_extralibs="-lsocket"
4041 add_cppflags -U__STRICT_ANSI__
4045 enable section_data_rel_ro
4049 ranlib="echo ignoring ranlib"
4054 add_cppflags -D_GNU_SOURCE
4055 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
4056 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4060 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4061 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4062 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4063 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4064 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4065 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4066 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4067 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4068 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4069 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4073 add_cppflags -D_BSD_SOURCE