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-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)
351 --ignore-tests=TESTS comma-separated list (without "fate-" prefix
352 in the name) of tests whose result is ignored
354 NOTE: Object files are built at the place where configure is launched.
362 echo "$@" >> $logfile
369 printf '%5s %s\n' "${i}" "${line}"
371 done < $1 >> $logfile
382 WARNINGS="${WARNINGS}WARNING: $*\n"
389 If you think configure made a mistake, make sure you are using the latest
390 version from Git. If the latest version fails, report the problem to the
391 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
393 if disabled logging; then
395 Rerun configure with logging enabled (do not use --disable-logging), and
396 include the log this produces with your report.
400 Include the log file "$logfile" produced by configure as this will help
407 # Avoid locale weirdness, besides we really just want to translate ASCII.
409 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
413 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
417 echo "$*" | sed 's/["\\]/\\\0/g'
421 v=$(echo "$1" | sed "s/'/'\\\\''/g")
422 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
427 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
434 eval "case $v in $pat) printf '%s ' $v ;; esac"
442 eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
449 for v; do eval $m; done
455 for v; do echo ${v}${suffix}; done
470 eval : \${$var:=$value}
475 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
481 eval $(sanitize_var_name "$var")='$*'
485 eval echo \$$(sanitize_var_name "$1")
490 eval level=\${${pvar}_level:=0}
491 eval ${pvar}_${level}="\$$pvar"
492 eval ${pvar}_level=$(($level+1))
498 eval level=\${${pvar}_level:-0}
499 test $level = 0 && continue
500 eval level=$(($level-1))
501 eval $pvar="\${${pvar}_${level}}"
502 eval ${pvar}_level=$level
503 eval unset ${pvar}_${level}
525 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
531 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
537 enabled $var && continue
538 eval sel="\$${var}_select"
539 eval sgs="\$${var}_suggest"
543 enable_deep_weak $sgs
555 disabled $var && continue
564 test "${1#!}" = "$1" && op== || op=!=
565 eval test "x\$${1#!}" $op "xyes"
569 test "${1#!}" = "$1" && op== || op=!=
570 eval test "x\$${1#!}" $op "xno"
575 enabled $opt || return 1
581 disabled $opt || return 1
587 enabled $opt && return 0
593 disabled $opt && return 0
600 eval : \${$opt:=\$${opt}_default}
608 [ $var = $value ] && return 0
615 enabled ${cfg}_checking && die "Circular dependency for $cfg."
616 disabled ${cfg}_checking && continue
617 enable ${cfg}_checking
620 eval dep_all="\$${cfg}_deps"
621 eval dep_any="\$${cfg}_deps_any"
622 eval dep_con="\$${cfg}_conflict"
623 eval dep_sel="\$${cfg}_select"
624 eval dep_sgs="\$${cfg}_suggest"
625 eval dep_ifa="\$${cfg}_if"
626 eval dep_ifn="\$${cfg}_if_any"
628 pushvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
629 check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn
630 popvar cfg dep_all dep_any dep_con dep_sel dep_sgs dep_ifa dep_ifn
632 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
633 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
634 enabled_all $dep_all || disable $cfg
635 enabled_any $dep_any || disable $cfg
636 disabled_all $dep_con || disable $cfg
637 disabled_any $dep_sel && disable $cfg
639 if enabled $cfg; then
641 enable_deep_weak $dep_sgs
642 for dep in $dep_all $dep_any $dep_sgs; do
643 # filter out library deps, these do not belong in extralibs
644 is_in $dep $LIBRARY_LIST && continue
645 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs
649 disable ${cfg}_checking
657 map 'eval echo "$v \${$v:-no}"' "$@" |
658 awk "BEGIN { split(\"$files\", files) }
660 c = \"$pfx\" toupper(\$1);
666 if (file ~ /\\.h\$/) {
667 printf(\"#define %s %d\\n\", c, v) >>file;
668 } else if (file ~ /\\.asm\$/) {
669 printf(\"%%define %s %d\\n\", c, v) >>file;
670 } else if (file ~ /\\.mak\$/) {
671 n = -v ? \"\" : \"!\";
672 printf(\"%s%s=yes\\n\", n, c) >>file;
682 enabled $v && printf "%s\n" ${v%$suf}
689 eval "$var=\"\$$var $*\""
695 eval "$var=\"$* \$$var\""
701 for tok in $(eval echo \$$var); do
702 uniq_list="$(filter_out $tok $uniq_list) $tok"
704 eval "$var=\"${uniq_list}\""
710 for entry in $(eval echo \$$var); do
711 tmpvar="$tmpvar $(eval echo \$${entry})"
713 eval "$var=\"${tmpvar}\""
721 append CFLAGS $($cflags_filter "$@")
724 add_cflags_headers(){
725 append CFLAGS_HEADERS $($cflags_filter "$@")
729 append ASFLAGS $($asflags_filter "$@")
733 append OBJCFLAGS $($objcflags_filter "$@")
737 append LDFLAGS $($ldflags_filter "$@")
741 append LDEXEFLAGS $($ldflags_filter "$@")
745 append STRIPFLAGS "$@"
749 prepend extralibs $($ldflags_filter "$@")
753 append host_cppflags "$@"
757 append host_cflags $($host_cflags_filter "$@")
761 append host_ldflags $($host_ldflags_filter "$@")
765 append compat_objs $1
767 map 'add_cppflags -D$v' "$@"
772 "$@" >> $logfile 2>&1
776 eval printf '%s\\n' $CC_O
780 eval printf '%s\\n' $CC_E
787 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
794 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
801 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
805 eval printf '%s\\n' $AS_O
812 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
816 log check_inline_asm "$@"
821 check_cc "$@" <<EOF && enable $name
822 void foo(void){ __asm__ volatile($code); }
828 check_inline_asm ${1}_inline "\"$2\""
829 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
837 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
841 eval printf '%s\\n' $LD_O
846 flags=$(filter_out '-l*' "$@")
847 libs=$(filter '-l*' "$@")
848 check_cc $($cflags_filter $flags) || return
849 flags=$($ldflags_filter $flags)
850 libs=$($ldflags_filter $libs)
851 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
856 test "${hdr%.h}" = "${hdr}" &&
857 echo "#include $hdr" ||
858 echo "#include <$hdr>"
868 for hdr in $headers; do
871 echo "int main(void) { $code; return 0; }"
872 } | check_$check "$@"
876 log check_cppflags "$@"
877 check_cpp "$@" <<EOF && append CPPFLAGS "$@"
884 set -- $($cflags_filter "$@")
891 log check_cflags "$@"
892 test_cflags "$@" && add_cflags "$@"
896 log test_objcflags "$@"
897 set -- $($objcflags_filter "$@")
898 check_objcc "$@" <<EOF
904 log check_objcflags "$@"
905 test_objcflags "$@" && add_objcflags "$@"
909 log test_ldflags "$@"
911 int main(void){ return 0; }
916 log check_ldflags "$@"
917 test_ldflags "$@" && add_ldflags "$@"
921 log test_stripflags "$@"
922 # call check_cc to get a fresh TMPO
924 int main(void) { return 0; }
926 check_cmd $strip $STRIPFLAGS "$@" $TMPO
930 log check_stripflags "$@"
931 test_stripflags "$@" && add_stripflags "$@"
935 log check_header "$@"
939 check_cpp "$@" <<EOF && enable_safe $header
950 check_ld "$@" <<EOF && enable $func
952 int main(void){ $func(); }
957 log check_mathfunc "$@"
961 test $narg = 2 && args="f, g" || args="f"
963 check_ld "$@" <<EOF && enable $func
965 float foo(float f, float g) { return $func($args); }
966 int main(void){ return 0; }
970 check_func_headers(){
971 log check_func_headers "$@"
976 for hdr in $headers; do
979 for func in $funcs; do
980 echo "long check_$func(void) { return (long) $func; }"
982 echo "int main(void) { return 0; }"
983 } | check_ld "$@" && enable $funcs && enable_safe $headers
986 check_cpp_condition(){
987 log check_cpp_condition "$@"
994 #error "unsatisfied condition: $condition"
1000 log test_cflags_cpp "$@"
1004 set -- $($cflags_filter "$flags")
1005 check_cpp "$@" <<EOF
1007 #error "unsatisfied condition: $condition"
1019 check_func_headers "$headers" "$funcs" "$@" &&
1020 enable $name && eval ${name}_extralibs="\$@"
1024 log check_pkg_config "$@"
1032 check_cmd $pkg_config --exists --print-errors $pkg_version || return
1033 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1034 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1035 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1037 add_cflags "$pkg_cflags" &&
1038 eval $(sanitize_var_name ${name}_extralibs)="\$pkg_libs"
1042 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1046 log check_exec_crash "$@"
1049 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1050 # are safe but may not be available everywhere. Thus we use
1051 # raise(SIGTERM) instead. The check is run in a subshell so we
1052 # can redirect the "Terminated" message from the shell. SIGBUS
1053 # is not defined by standard C so it is used conditionally.
1055 (check_exec "$@") >> $logfile 2>&1 <<EOF
1057 static void sighandler(int sig){
1063 int (*func_ptr)(void) = foo;
1065 signal(SIGILL, sighandler);
1066 signal(SIGFPE, sighandler);
1067 signal(SIGSEGV, sighandler);
1069 signal(SIGBUS, sighandler);
1081 disable_safe "$type"
1082 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1086 log check_struct "$@"
1091 disable_safe "${struct}_${member}"
1092 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1093 enable_safe "${struct}_${member}"
1097 log check_builtin "$@"
1103 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1106 check_compile_assert(){
1107 log check_compile_assert "$@"
1113 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1123 check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1130 check_header "$header" "$@" || die "ERROR: $header not found"
1133 require_cpp_condition(){
1138 check_cpp_condition "$header" "$condition" "$@" || die "ERROR: $condition not satisfied"
1141 require_pkg_config(){
1142 log require_pkg_config "$@"
1144 check_pkg_config "$@" || die "ERROR: $pkg_version not found"
1148 eval printf '%s\\n' $HOSTCC_E
1152 eval printf '%s\\n' $HOSTCC_O
1156 log check_host_cc "$@"
1159 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1163 log check_host_cpp "$@"
1166 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1169 check_host_cppflags(){
1170 log check_host_cppflags "$@"
1171 check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1172 #include <stdlib.h>;
1176 check_host_cflags(){
1177 log check_host_cflags "$@"
1178 set -- $($host_cflags_filter "$@")
1179 check_host_cc "$@" <<EOF && append host_cflags "$@"
1184 check_host_cpp_condition(){
1185 log check_host_cpp_condition "$@"
1189 check_host_cpp "$@" <<EOF
1192 #error "unsatisfied condition: $condition"
1200 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1204 cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1205 mkdir -p "$(dirname $2)"
1209 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1210 # system-dependent things.
1212 AVCODEC_COMPONENTS="
1220 AVDEVICE_COMPONENTS="
1224 AVFILTER_COMPONENTS="
1227 AVFORMAT_COMPONENTS="
1233 AVRESAMPLE_COMPONENTS=""
1234 AVUTIL_COMPONENTS=""
1238 $AVDEVICE_COMPONENTS
1239 $AVFILTER_COMPONENTS
1240 $AVFORMAT_COMPONENTS
1241 $AVRESAMPLE_COMPONENTS
1246 decode_audio_example
1247 decode_video_example
1248 encode_audio_example
1249 encode_video_example
1250 filter_audio_example
1254 transcode_aac_example
1257 # catchall list of things that require external libs to link
1263 HWACCEL_LIBRARY_NONFREE_LIST="
1267 HWACCEL_LIBRARY_LIST="
1268 $HWACCEL_LIBRARY_NONFREE_LIST
1280 EXTERNAL_LIBRARY_GPL_LIST="
1288 EXTERNAL_LIBRARY_NONFREE_LIST="
1294 EXTERNAL_LIBRARY_VERSION3_LIST="
1301 EXTERNAL_LIBRARY_LIST="
1302 $EXTERNAL_LIBRARY_GPL_LIST
1303 $EXTERNAL_LIBRARY_NONFREE_LIST
1304 $EXTERNAL_LIBRARY_VERSION3_LIST
1339 SYSTEM_LIBRARY_LIST="
1349 safe_bitstream_reader
1392 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1395 $EXTERNAL_LIBRARY_LIST
1396 $HWACCEL_LIBRARY_LIST
1402 $SYSTEM_LIBRARY_LIST
1461 ARCH_EXT_LIST_X86_SIMD="
1489 $ARCH_EXT_LIST_X86_SIMD
1494 ARCH_EXT_LIST_MIPS="
1531 sync_val_compare_and_swap
1545 AVFoundation_AVFoundation_h
1550 cdio_paranoia_paranoia_h
1553 dev_bktr_ioctl_bt848_h
1554 dev_bktr_ioctl_meteor_h
1556 dev_video_bktr_ioctl_bt848_h
1557 dev_video_meteor_ioctl_meteor_h
1564 machine_ioctl_bt848_h
1565 machine_ioctl_meteor_h
1629 GetProcessAffinityMask
1630 GetProcessMemoryInfo
1633 GetSystemTimeAsFileTime
1638 jack_port_get_latency_range
1650 SetConsoleTextAttribute
1661 TOOLCHAIN_FEATURES="
1684 CONDITION_VARIABLE_Ptr
1687 struct_group_source_req
1688 struct_ip_mreq_source
1691 struct_rusage_ru_maxrss
1693 struct_sockaddr_sa_len
1694 struct_sockaddr_storage
1695 struct_v4l2_frmivalenum_discrete
1700 $(add_suffix _external $ARCH_EXT_LIST)
1701 $(add_suffix _inline $ARCH_EXT_LIST)
1716 MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
1725 # options emitted with CONFIG_ prefix but not available on the command line
1874 # code dependency declarations
1876 # architecture extensions
1881 armv8_deps="aarch64"
1882 neon_deps_any="aarch64 arm"
1883 intrinsics_neon_deps="neon"
1884 vfp_deps_any="aarch64 arm"
1887 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1895 x86_64_select="i686"
1896 x86_64_suggest="fast_cmov"
1899 amd3dnowext_deps="amd3dnow"
1915 mmx_external_deps="yasm"
1916 mmx_inline_deps="inline_asm"
1917 mmx_suggest="mmx_external mmx_inline"
1919 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1920 eval dep=\$${ext}_deps
1921 eval ${ext}_external_deps='"${dep}_external"'
1922 eval ${ext}_inline_deps='"${dep}_inline"'
1923 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1926 aligned_stack_if_any="aarch64 ppc x86"
1927 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1928 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1929 fast_unaligned_if_any="aarch64 ppc x86"
1930 simd_align_16_if_any="altivec neon sse"
1931 simd_align_32_if_any="avx"
1933 # system capabilities
1934 symver_if_any="symver_asm_label symver_gnu_asm"
1935 valgrind_backtrace_conflict="optimizations"
1936 valgrind_backtrace_deps="valgrind_valgrind_h"
1939 atomics_gcc_if="sync_val_compare_and_swap"
1940 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1941 atomics_win32_if="MemoryBarrier"
1942 atomics_native_if_any="$ATOMICS_LIST"
1943 w32threads_deps="atomics_native"
1944 threads_if_any="$THREADS_LIST"
1948 dirac_parse_select="golomb"
1949 error_resilience_select="me_cmp"
1950 faandct_deps="faan fdctdsp"
1951 faanidct_deps="faan idctdsp"
1952 h264dsp_select="startcode"
1953 hevc_ps_select="golomb"
1954 intrax8_select="blockdsp idctdsp"
1957 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1958 mpeg_er_select="error_resilience"
1959 mpegaudio_select="mpegaudiodsp mpegaudioheader"
1960 mpegaudiodsp_select="dct"
1961 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1962 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1963 vc1dsp_select="h264chroma qpeldsp startcode"
1965 # decoders / encoders
1966 aac_decoder_select="imdct15 mdct sinewin"
1967 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1968 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1969 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1970 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1971 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1972 adpcm_g722_decoder_select="g722dsp"
1973 adpcm_g722_encoder_select="g722dsp"
1974 aic_decoder_select="golomb idctdsp"
1975 alac_encoder_select="lpc"
1976 als_decoder_select="bswapdsp"
1977 amrnb_decoder_select="lsp"
1978 amrwb_decoder_select="lsp"
1979 amv_decoder_select="sp5x_decoder"
1980 ape_decoder_select="bswapdsp"
1981 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1982 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1983 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1984 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1985 atrac1_decoder_select="mdct sinewin"
1986 atrac3_decoder_select="mdct"
1987 atrac3p_decoder_select="mdct sinewin"
1988 bink_decoder_select="blockdsp hpeldsp"
1989 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1990 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1991 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1992 cllc_decoder_select="bswapdsp"
1993 comfortnoise_encoder_select="lpc"
1994 cook_decoder_select="audiodsp mdct sinewin"
1995 cscd_decoder_select="lzo"
1996 cscd_decoder_suggest="zlib"
1997 dca_decoder_select="fmtconvert mdct"
1998 dds_decoder_select="texturedsp"
1999 dnxhd_decoder_select="blockdsp idctdsp"
2000 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2001 dvvideo_decoder_select="dvprofile idctdsp"
2002 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2003 dxa_decoder_deps="zlib"
2004 dxv_decoder_select="lzf texturedsp"
2005 eac3_decoder_select="ac3_decoder"
2006 eac3_encoder_select="ac3_encoder"
2007 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2008 eatgq_decoder_select="aandcttables idctdsp"
2009 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2010 exr_decoder_deps="zlib"
2011 ffv1_decoder_select="rangecoder"
2012 ffv1_encoder_select="rangecoder"
2013 ffvhuff_decoder_select="huffyuv_decoder"
2014 ffvhuff_encoder_select="huffyuv_encoder"
2015 fic_decoder_select="golomb"
2016 flac_decoder_select="flacdsp"
2017 flac_encoder_select="bswapdsp flacdsp lpc"
2018 flashsv_decoder_deps="zlib"
2019 flashsv_encoder_deps="zlib"
2020 flashsv2_decoder_deps="zlib"
2021 flv_decoder_select="h263_decoder"
2022 flv_encoder_select="h263_encoder"
2023 fourxm_decoder_select="blockdsp bswapdsp"
2024 fraps_decoder_select="bswapdsp huffman"
2025 g2m_decoder_deps="zlib"
2026 g2m_decoder_select="blockdsp idctdsp jpegtables"
2027 h261_decoder_select="mpeg_er mpegvideo"
2028 h261_encoder_select="aandcttables mpegvideoenc"
2029 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2030 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2031 h263i_decoder_select="h263_decoder"
2032 h263p_encoder_select="h263_encoder"
2033 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2034 h264_decoder_suggest="error_resilience"
2035 hap_decoder_select="snappy texturedsp"
2036 hap_encoder_deps="libsnappy"
2037 hap_encoder_select="texturedspenc"
2038 hevc_decoder_select="bswapdsp cabac hevc_ps videodsp"
2039 huffyuv_decoder_select="bswapdsp huffyuvdsp"
2040 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
2041 iac_decoder_select="imc_decoder"
2042 imc_decoder_select="bswapdsp fft mdct sinewin"
2043 indeo3_decoder_select="hpeldsp"
2044 indeo4_decoder_select="ividsp"
2045 indeo5_decoder_select="ividsp"
2046 interplay_video_decoder_select="hpeldsp"
2047 jpegls_decoder_select="mjpeg_decoder"
2048 jv_decoder_select="blockdsp"
2049 lagarith_decoder_select="huffyuvdsp"
2050 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2051 magicyuv_decoder_select="huffyuvdsp"
2052 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2053 metasound_decoder_select="lsp mdct sinewin"
2054 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2055 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
2056 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2057 mjpegb_decoder_select="mjpeg_decoder"
2058 mlp_decoder_select="mlp_parser"
2059 motionpixels_decoder_select="bswapdsp"
2060 mp1_decoder_select="mpegaudio"
2061 mp1float_decoder_select="mpegaudio"
2062 mp2_decoder_select="mpegaudio"
2063 mp2float_decoder_select="mpegaudio"
2064 mp3_decoder_select="mpegaudio"
2065 mp3adu_decoder_select="mpegaudio"
2066 mp3adufloat_decoder_select="mpegaudio"
2067 mp3float_decoder_select="mpegaudio"
2068 mp3on4_decoder_select="mpegaudio"
2069 mp3on4float_decoder_select="mpegaudio"
2070 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2071 mpc8_decoder_select="mpegaudiodsp"
2072 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2073 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2074 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2075 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2076 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2077 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2078 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2079 mpeg4_encoder_select="h263_encoder"
2080 msa1_decoder_select="mss34dsp"
2081 msmpeg4v1_decoder_select="h263_decoder"
2082 msmpeg4v2_decoder_select="h263_decoder"
2083 msmpeg4v2_encoder_select="h263_encoder"
2084 msmpeg4v3_decoder_select="h263_decoder"
2085 msmpeg4v3_encoder_select="h263_encoder"
2086 mss2_decoder_select="error_resilience mpeg_er mpegvideo qpeldsp vc1_decoder"
2087 mts2_decoder_select="mss34dsp"
2088 mxpeg_decoder_select="mjpeg_decoder"
2089 nellymoser_decoder_select="mdct sinewin"
2090 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2091 nuv_decoder_select="idctdsp lzo"
2092 on2avc_decoder_select="mdct"
2093 opus_decoder_deps="avresample"
2094 opus_decoder_select="imdct15"
2095 png_decoder_deps="zlib"
2096 png_encoder_deps="zlib"
2097 png_encoder_select="huffyuvencdsp"
2098 prores_decoder_select="idctdsp"
2099 prores_encoder_select="fdctdsp"
2100 qcelp_decoder_select="lsp"
2101 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2102 ra_144_encoder_select="audio_frame_queue lpc"
2103 ralf_decoder_select="golomb"
2104 rscc_decoder_deps="zlib"
2105 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2106 rv10_encoder_select="h263_encoder"
2107 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2108 rv20_encoder_select="h263_encoder"
2109 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2110 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2111 screenpresso_decoder_deps="zlib"
2112 sipr_decoder_select="lsp"
2113 sp5x_decoder_select="mjpeg_decoder"
2114 svq1_decoder_select="hpeldsp"
2115 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2116 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2117 svq3_decoder_suggest="zlib"
2118 tak_decoder_select="audiodsp"
2119 tdsc_decoder_deps="zlib"
2120 tdsc_decoder_select="mjpeg_decoder"
2121 theora_decoder_select="vp3_decoder"
2122 thp_decoder_select="mjpeg_decoder"
2123 tiff_decoder_suggest="zlib"
2124 tiff_encoder_suggest="zlib"
2125 truehd_decoder_select="mlp_decoder"
2126 truemotion2_decoder_select="bswapdsp"
2127 truespeech_decoder_select="bswapdsp"
2128 tscc_decoder_deps="zlib"
2129 txd_decoder_select="texturedsp"
2130 twinvq_decoder_select="mdct lsp sinewin"
2131 utvideo_decoder_select="bswapdsp"
2132 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2133 vble_decoder_select="huffyuvdsp"
2134 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2135 vc1image_decoder_select="vc1_decoder"
2136 vorbis_decoder_select="mdct"
2137 vorbis_encoder_select="mdct"
2138 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2139 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2140 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2141 vp6a_decoder_select="vp6_decoder"
2142 vp6f_decoder_select="vp6_decoder"
2143 vp7_decoder_select="h264pred videodsp vp8dsp"
2144 vp8_decoder_select="h264pred videodsp vp8dsp"
2145 vp9_decoder_select="videodsp vp9_superframe_split_bsf"
2146 webp_decoder_select="vp8_decoder"
2147 wmapro_decoder_select="mdct sinewin wma_freqs"
2148 wmav1_decoder_select="mdct sinewin wma_freqs"
2149 wmav1_encoder_select="mdct sinewin wma_freqs"
2150 wmav2_decoder_select="mdct sinewin wma_freqs"
2151 wmav2_encoder_select="mdct sinewin wma_freqs"
2152 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2153 wmv1_decoder_select="h263_decoder"
2154 wmv1_encoder_select="h263_encoder"
2155 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2156 wmv2_encoder_select="h263_encoder wmv2dsp"
2157 wmv3_decoder_select="vc1_decoder"
2158 wmv3image_decoder_select="wmv3_decoder"
2159 zerocodec_decoder_deps="zlib"
2160 zlib_decoder_deps="zlib"
2161 zlib_encoder_deps="zlib"
2162 zmbv_decoder_deps="zlib"
2163 zmbv_encoder_deps="zlib"
2165 # hardware accelerators
2166 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2167 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2168 dxva2_lib_deps="dxva2"
2169 vda_deps="VideoDecodeAcceleration_VDADecoder_h blocks_extension pthreads"
2170 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2172 h263_vaapi_hwaccel_deps="vaapi"
2173 h263_vaapi_hwaccel_select="h263_decoder"
2174 h264_d3d11va_hwaccel_deps="d3d11va"
2175 h264_d3d11va_hwaccel_select="h264_decoder"
2176 h264_dxva2_hwaccel_deps="dxva2"
2177 h264_dxva2_hwaccel_select="h264_decoder"
2178 h264_mmal_hwaccel_deps="mmal"
2179 h264_qsv_hwaccel_deps="libmfx"
2180 h264_vaapi_hwaccel_deps="vaapi"
2181 h264_vaapi_hwaccel_select="h264_decoder"
2182 h264_vda_hwaccel_deps="vda"
2183 h264_vda_hwaccel_select="h264_decoder"
2184 h264_vda_old_hwaccel_deps="vda"
2185 h264_vda_old_hwaccel_select="h264_decoder"
2186 h264_vdpau_hwaccel_deps="vdpau"
2187 h264_vdpau_hwaccel_select="h264_decoder"
2188 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2189 hevc_d3d11va_hwaccel_select="hevc_decoder"
2190 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2191 hevc_dxva2_hwaccel_select="hevc_decoder"
2192 hevc_qsv_hwaccel_deps="libmfx"
2193 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2194 hevc_vaapi_hwaccel_select="hevc_decoder"
2195 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2196 hevc_vdpau_hwaccel_select="hevc_decoder"
2197 mpeg1_vdpau_hwaccel_deps="vdpau"
2198 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2199 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2200 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2201 mpeg2_dxva2_hwaccel_deps="dxva2"
2202 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2203 mpeg2_mmal_hwaccel_deps="mmal"
2204 mpeg2_qsv_hwaccel_deps="libmfx"
2205 mpeg2_vaapi_hwaccel_deps="vaapi"
2206 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2207 mpeg2_vdpau_hwaccel_deps="vdpau"
2208 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2209 mpeg4_vaapi_hwaccel_deps="vaapi"
2210 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2211 mpeg4_vdpau_hwaccel_deps="vdpau"
2212 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2213 vc1_d3d11va_hwaccel_deps="d3d11va"
2214 vc1_d3d11va_hwaccel_select="vc1_decoder"
2215 vc1_dxva2_hwaccel_deps="dxva2"
2216 vc1_dxva2_hwaccel_select="vc1_decoder"
2217 vc1_mmal_hwaccel_deps="mmal"
2218 vc1_qsv_hwaccel_deps="libmfx"
2219 vc1_vaapi_hwaccel_deps="vaapi"
2220 vc1_vaapi_hwaccel_select="vc1_decoder"
2221 vc1_vdpau_hwaccel_deps="vdpau"
2222 vc1_vdpau_hwaccel_select="vc1_decoder"
2223 vp8_qsv_hwaccel_deps="libmfx"
2224 vp8_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferVP8"
2225 vp8_vaapi_hwaccel_select="vp8_decoder"
2226 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2227 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2228 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2229 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2231 # hardware-accelerated codecs
2232 nvenc_deps_any="libdl LoadLibrary"
2233 omx_deps="libdl pthreads"
2234 omx_rpi_select="omx"
2237 vaapi_encode_deps="vaapi"
2239 hwupload_cuda_filter_deps="cuda"
2240 scale_npp_filter_deps="cuda libnpp"
2242 h264_mmal_decoder_deps="mmal"
2243 h264_nvenc_encoder_deps="nvenc"
2244 h264_omx_encoder_deps="omx"
2245 h264_qsv_decoder_deps="libmfx"
2246 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2247 h264_qsv_encoder_deps="libmfx"
2248 h264_qsv_encoder_select="qsvenc"
2249 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2250 h264_vaapi_encoder_select="vaapi_encode golomb"
2251 hevc_nvenc_encoder_deps="nvenc"
2252 hevc_qsv_decoder_deps="libmfx"
2253 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser hevc_qsv_hwaccel qsvdec"
2254 hevc_qsv_encoder_deps="libmfx"
2255 hevc_qsv_encoder_select="hevc_ps qsvenc"
2256 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2257 hevc_vaapi_encoder_select="vaapi_encode golomb"
2258 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2259 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2260 mpeg2_mmal_decoder_deps="mmal"
2261 mpeg2_qsv_decoder_deps="libmfx"
2262 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2263 mpeg2_qsv_encoder_deps="libmfx"
2264 mpeg2_qsv_encoder_select="qsvenc"
2265 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2266 mpeg2_vaapi_encoder_select="vaapi_encode"
2267 mpeg4_omx_encoder_deps="omx"
2268 vc1_mmal_decoder_deps="mmal"
2269 vc1_qsv_decoder_deps="libmfx"
2270 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2271 vp8_qsv_decoder_deps="libmfx"
2272 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2273 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2274 vp8_vaapi_encoder_select="vaapi_encode"
2276 nvenc_h264_encoder_select="h264_nvenc_encoder"
2277 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2280 h264_parser_select="golomb h264dsp h264parse"
2281 hevc_parser_select="hevc_ps"
2282 mpegaudio_parser_select="mpegaudioheader"
2283 mpegvideo_parser_select="mpegvideo"
2284 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2285 vc1_parser_select="vc1dsp"
2288 mjpeg2jpeg_bsf_select="jpegtables"
2290 # external libraries
2291 avisynth_deps="LoadLibrary"
2292 avxsynth_deps="libdl"
2293 avisynth_demuxer_deps_any="avisynth avxsynth"
2294 avisynth_demuxer_select="riffdec"
2295 libdcadec_decoder_deps="libdcadec"
2296 libfaac_encoder_deps="libfaac"
2297 libfaac_encoder_select="audio_frame_queue"
2298 libfdk_aac_decoder_deps="libfdk_aac"
2299 libfdk_aac_encoder_deps="libfdk_aac"
2300 libfdk_aac_encoder_select="audio_frame_queue"
2301 libgsm_decoder_deps="libgsm"
2302 libgsm_encoder_deps="libgsm"
2303 libgsm_ms_decoder_deps="libgsm"
2304 libgsm_ms_encoder_deps="libgsm"
2305 libilbc_decoder_deps="libilbc"
2306 libilbc_encoder_deps="libilbc"
2307 libkvazaar_encoder_deps="libkvazaar"
2308 libmp3lame_encoder_deps="libmp3lame"
2309 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2310 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2311 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2312 libopencore_amrnb_encoder_select="audio_frame_queue"
2313 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2314 libopenh264_decoder_deps="libopenh264"
2315 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2316 libopenh264_encoder_deps="libopenh264"
2317 libopenjpeg_decoder_deps="libopenjpeg"
2318 libopenjpeg_encoder_deps="libopenjpeg"
2319 libopus_decoder_deps="libopus"
2320 libopus_encoder_deps="libopus"
2321 libopus_encoder_select="audio_frame_queue"
2322 libschroedinger_decoder_deps="libschroedinger"
2323 libschroedinger_encoder_deps="libschroedinger"
2324 libspeex_decoder_deps="libspeex"
2325 libspeex_encoder_deps="libspeex"
2326 libspeex_encoder_select="audio_frame_queue"
2327 libtheora_encoder_deps="libtheora"
2328 libtwolame_encoder_deps="libtwolame"
2329 libvo_aacenc_encoder_deps="libvo_aacenc"
2330 libvo_aacenc_encoder_select="audio_frame_queue"
2331 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2332 libvorbis_encoder_deps="libvorbis"
2333 libvorbis_encoder_select="audio_frame_queue"
2334 libvpx_vp8_decoder_deps="libvpx"
2335 libvpx_vp8_encoder_deps="libvpx"
2336 libvpx_vp9_decoder_deps="libvpx"
2337 libvpx_vp9_encoder_deps="libvpx"
2338 libwavpack_encoder_deps="libwavpack"
2339 libwavpack_encoder_select="audio_frame_queue"
2340 libwebp_encoder_deps="libwebp"
2341 libx262_encoder_deps="libx262"
2342 libx264_encoder_deps="libx264"
2343 libx265_encoder_deps="libx265"
2344 libxavs_encoder_deps="libxavs"
2345 libxvid_encoder_deps="libxvid mkstemp"
2348 ac3_demuxer_select="ac3_parser"
2349 asf_demuxer_select="riffdec"
2350 asf_muxer_select="riffenc"
2351 asf_stream_muxer_select="asf_muxer"
2352 avi_demuxer_select="iso_media riffdec"
2353 avi_muxer_select="riffenc"
2354 caf_demuxer_select="iso_media riffdec"
2355 dash_muxer_select="mp4_muxer"
2356 dirac_demuxer_select="dirac_parser"
2357 dv_demuxer_select="dvprofile"
2358 dv_muxer_select="dvprofile"
2359 dxa_demuxer_select="riffdec"
2360 eac3_demuxer_select="ac3_parser"
2361 f4v_muxer_select="mov_muxer"
2362 flac_demuxer_select="flac_parser"
2363 hds_muxer_select="flv_muxer"
2364 hls_muxer_select="mpegts_muxer"
2365 ipod_muxer_select="mov_muxer"
2366 ismv_muxer_select="mov_muxer"
2367 matroska_audio_muxer_select="matroska_muxer"
2368 matroska_demuxer_select="iso_media riffdec"
2369 matroska_demuxer_suggest="bzlib lzo zlib"
2370 matroska_muxer_select="iso_media riffenc"
2371 mmf_muxer_select="riffenc"
2372 mov_demuxer_select="iso_media riffdec"
2373 mov_demuxer_suggest="zlib"
2374 mov_muxer_select="iso_media riffenc rtpenc_chain"
2375 mp3_demuxer_select="mpegaudio_parser"
2376 mp3_muxer_select="mpegaudioheader"
2377 mp4_muxer_select="mov_muxer"
2378 mpegts_demuxer_select="iso_media"
2379 mpegts_muxer_select="adts_muxer latm_muxer"
2380 mpegtsraw_demuxer_select="mpegts_demuxer"
2381 mxf_d10_muxer_select="mxf_muxer"
2382 nut_muxer_select="riffenc"
2383 nuv_demuxer_select="riffdec"
2384 oga_muxer_select="ogg_muxer"
2385 ogg_demuxer_select="dirac_parse"
2386 opus_muxer_select="ogg_muxer"
2387 psp_muxer_select="mov_muxer"
2388 rtp_demuxer_select="sdp_demuxer"
2389 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2390 rtsp_demuxer_select="http_protocol rtpdec"
2391 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2392 sap_demuxer_select="sdp_demuxer"
2393 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2394 sdp_demuxer_select="rtpdec"
2395 smoothstreaming_muxer_select="ismv_muxer"
2396 spdif_muxer_select="aac_parser"
2397 spx_muxer_select="ogg_muxer"
2398 swf_demuxer_suggest="zlib"
2399 tak_demuxer_select="tak_parser"
2400 tg2_muxer_select="mov_muxer"
2401 tgp_muxer_select="mov_muxer"
2402 w64_demuxer_select="wav_demuxer"
2403 wav_demuxer_select="riffdec"
2404 wav_muxer_select="riffenc"
2405 webm_muxer_select="iso_media riffenc"
2406 wtv_demuxer_select="mpegts_demuxer riffdec"
2407 xmv_demuxer_select="riffdec"
2408 xwma_demuxer_select="riffdec"
2411 alsa_indev_deps="alsa"
2412 alsa_outdev_deps="alsa"
2413 avfoundation_indev_deps="AVFoundation_AVFoundation_h objc_arc pthreads"
2414 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2415 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2416 dv1394_indev_deps="dv1394"
2417 dv1394_indev_select="dv_demuxer"
2418 fbdev_indev_deps="linux_fb_h"
2419 jack_indev_deps="jack"
2420 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
2421 libcdio_indev_deps="libcdio"
2422 libdc1394_indev_deps="libdc1394"
2423 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2424 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2425 pulse_indev_deps="libpulse"
2426 sndio_indev_deps="sndio"
2427 sndio_outdev_deps="sndio"
2428 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2429 vfwcap_indev_deps="vfw32 vfwcap_defines"
2430 xcbgrab_indev_deps="libxcb libxcb_shape"
2431 xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
2434 ffrtmpcrypt_protocol_conflict="librtmp_protocol"
2435 ffrtmpcrypt_protocol_deps_any="gmp openssl"
2436 ffrtmpcrypt_protocol_select="tcp_protocol"
2437 ffrtmphttp_protocol_conflict="librtmp_protocol"
2438 ffrtmphttp_protocol_select="http_protocol"
2439 gopher_protocol_select="network"
2440 http_protocol_select="tcp_protocol"
2441 httpproxy_protocol_select="tcp_protocol"
2442 https_protocol_select="tls_protocol"
2443 icecast_protocol_select="http_protocol"
2444 librtmp_protocol_deps="librtmp"
2445 librtmpe_protocol_deps="librtmp"
2446 librtmps_protocol_deps="librtmp"
2447 librtmpt_protocol_deps="librtmp"
2448 librtmpte_protocol_deps="librtmp"
2449 mmsh_protocol_select="http_protocol"
2450 mmst_protocol_select="network"
2451 rtmp_protocol_conflict="librtmp_protocol"
2452 rtmp_protocol_select="tcp_protocol"
2453 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2454 rtmps_protocol_conflict="librtmp_protocol"
2455 rtmps_protocol_select="tls_protocol"
2456 rtmpt_protocol_select="ffrtmphttp_protocol"
2457 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2458 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2459 rtp_protocol_select="udp_protocol"
2460 sctp_protocol_deps="struct_sctp_event_subscribe"
2461 sctp_protocol_select="network"
2462 srtp_protocol_select="rtp_protocol srtp"
2463 tcp_protocol_select="network"
2464 tls_gnutls_protocol_deps="gnutls"
2465 tls_gnutls_protocol_select="tcp_protocol"
2466 tls_openssl_protocol_conflict="tls_gnutls_protocol"
2467 tls_openssl_protocol_deps="openssl"
2468 tls_openssl_protocol_select="tcp_protocol"
2469 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2470 udp_protocol_select="network"
2471 unix_protocol_deps="sys_un_h"
2472 unix_protocol_select="network"
2475 asyncts_filter_deps="avresample"
2476 blackframe_filter_deps="gpl"
2477 boxblur_filter_deps="gpl"
2478 bs2b_filter_deps="libbs2b"
2479 cropdetect_filter_deps="gpl"
2480 deinterlace_qsv_filter_deps="libmfx"
2481 deinterlace_vaapi_filter_deps="vaapi"
2482 delogo_filter_deps="gpl"
2483 drawtext_filter_deps="libfreetype"
2484 drawtext_filter_suggest="libfontconfig"
2485 frei0r_filter_deps="frei0r libdl"
2486 frei0r_src_filter_deps="frei0r libdl"
2487 hdcd_filter_deps="libhdcd"
2488 hqdn3d_filter_deps="gpl"
2489 interlace_filter_deps="gpl"
2490 movie_filter_deps="avcodec avformat"
2491 ocv_filter_deps="libopencv"
2492 resample_filter_deps="avresample"
2493 scale_filter_deps="swscale"
2494 scale_qsv_filter_deps="libmfx"
2495 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2498 decode_audio_example_deps="avcodec avutil"
2499 decode_video_example_deps="avcodec avutil"
2500 encode_audio_example_deps="avcodec avutil"
2501 encode_video_example_deps="avcodec avutil"
2502 filter_audio_example_deps="avfilter avutil"
2503 metadata_example_deps="avformat avutil"
2504 output_example_deps="avcodec avformat avresample avutil swscale"
2505 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
2506 transcode_aac_example_deps="avcodec avformat avresample"
2509 cpu_init_extralibs="pthreads_extralibs"
2510 cws2fws_extralibs="zlib_extralibs"
2512 # libraries, in linking order
2513 avcodec_deps="avutil"
2514 avcodec_select="null_bsf"
2515 avdevice_deps="avformat avcodec avutil"
2516 avfilter_deps="avutil"
2517 avformat_deps="avcodec avutil"
2518 avformat_suggest="network"
2519 avresample_deps="avutil"
2520 swscale_deps="avutil"
2522 avcodec_extralibs="pthreads_extralibs libm_extralibs"
2523 avdevice_extralibs="libm_extralibs"
2524 avformat_extralibs="libm_extralibs"
2525 avfilter_extralibs="pthreads_extralibs libm_extralibs"
2526 avresample_extralibs="libm_extralibs"
2527 avutil_extralibs="clock_gettime_extralibs cuda_extralibs libm_extralibs libmfx_extralibs nanosleep_extralibs user32_extralibs vaapi_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs wincrypt_extralibs"
2528 swscale_extralibs="libm_extralibs"
2531 avconv_deps="avcodec avfilter avformat avresample swscale"
2532 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2533 fps_filter null_filter resample_filter scale_filter
2535 avconv_suggest="dxva2_lib ole32 psapi shell32"
2536 avplay_deps="avcodec avfilter avformat avresample sdl"
2537 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2538 avplay_suggest="shell32"
2539 avprobe_deps="avcodec avformat"
2540 avprobe_suggest="shell32"
2544 texi2html_deps="doc"
2546 # default parameters
2548 logfile="avbuild/config.log"
2550 # installation paths
2551 prefix_default="/usr/local"
2552 bindir_default='${prefix}/bin'
2553 datadir_default='${prefix}/share/avconv'
2554 docdir_default='${prefix}/share/doc/libav'
2555 incdir_default='${prefix}/include'
2556 libdir_default='${prefix}/lib'
2557 mandir_default='${prefix}/share/man'
2558 shlibdir_default="$libdir_default"
2563 host_cc_default="gcc"
2567 pkg_config_default=pkg-config
2570 version_script='--version-script'
2574 arch_default=$(uname -m)
2579 target_os_default=$(tolower $(uname -s))
2580 host_os=$target_os_default
2582 # configurable options
2583 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2588 enable faan faandct faanidct
2589 enable optimizations
2590 enable safe_bitstream_reader
2592 enable swscale_alpha
2593 enable valgrind_backtrace
2595 # By default, enable only those hwaccels that have no external dependencies.
2596 enable d3d11va dxva2 vda vdpau
2598 # internal components are enabled by default
2599 enable $EXTRALIBS_LIST
2601 # Avoid external, non-system, libraries getting enabled by dependency resolution
2602 disable $EXTERNAL_LIBRARY_LIST
2605 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2608 LIBNAME='$(LIBPREF)$(NAME)$(LIBSUF)'
2611 SLIBNAME='$(SLIBPREF)$(NAME)$(SLIBSUF)'
2612 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2613 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2614 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2615 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2616 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2617 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
2639 host_extralibs='-lm'
2640 host_cflags_filter=echo
2641 host_ldflags_filter=echo
2643 target_path='$(CURDIR)'
2645 # since the object filename is not given with the -MM flag, the compiler
2646 # is only able to print the basename, and we must add the path ourselves
2647 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2653 if test -f configure; then
2656 source_path=$(cd $(dirname "$0"); pwd)
2657 echo "$source_path" | grep -q '[[:blank:]]' &&
2658 die "Out of tree builds are impossible with whitespace in source path."
2659 test -e "$source_path/config.h" &&
2660 die "Out of tree builds are impossible with config.h in source dir."
2667 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2673 file=$source_path/$3
2674 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2677 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2678 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2679 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2680 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2681 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2682 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2683 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2684 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2685 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2687 find_things_extern(){
2690 file=$source_path/$3
2691 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2694 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2695 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2697 AVCODEC_COMPONENTS_LIST="
2705 AVDEVICE_COMPONENTS_LIST="
2710 AVFILTER_COMPONENTS_LIST="
2714 AVFORMAT_COMPONENTS_LIST="
2721 $AVCODEC_COMPONENTS_LIST
2722 $AVDEVICE_COMPONENTS_LIST
2723 $AVFILTER_COMPONENTS_LIST
2724 $AVFORMAT_COMPONENTS_LIST
2727 for n in $COMPONENT_LIST; do
2728 v=$(toupper ${n%s})_LIST
2730 eval ${n}_if_any="\$$v"
2733 enable $ARCH_EXT_LIST
2736 echo "Unknown option \"$1\"."
2737 echo "See $0 --help for available options."
2742 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2748 echo $* | sed s/$suffix//g | print_3_columns
2760 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2761 echo "prob ${prob:-0.5}"
2769 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2770 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2779 --extra-ldexeflags=*)
2780 add_ldexeflags $optval
2783 add_extralibs $optval
2786 disable $INDEV_LIST $OUTDEV_LIST
2789 debuglevel="$optval"
2792 disable $PROGRAM_LIST
2794 --disable-everything)
2795 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2798 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2799 disable $LIBRARY_LIST $PROGRAM_LIST doc
2801 --enable-random|--disable-random)
2802 action=${opt%%-random}
2803 do_random ${action#--} $COMPONENT_LIST
2805 --enable-random=*|--disable-random=*)
2806 action=${opt%%-random=*}
2807 do_random ${action#--} $optval
2809 --enable-*=*|--disable-*=*)
2810 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2811 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2812 eval list=\$$(toupper $thing)_LIST
2813 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2814 $action $(filter "$name" $list)
2816 --enable-avserver|--disable-avserver*)
2817 warn "avserver has been removed, the ${opt} option is only"\
2818 "provided for compatibility and will be removed in the future"
2820 --enable-?*|--disable-?*)
2821 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2822 if is_in $option $COMPONENT_LIST; then
2823 test $action = disable && action=unset
2824 eval $action \$$(toupper ${option%s})_LIST
2825 elif is_in $option $CMDLINE_SELECT; then
2832 NAME="${opt#--list-}"
2833 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2835 eval show_list $NAME \$$(toupper $NAME)_LIST
2837 --help|-h) show_help
2839 --quiet|-q) quiet=yes
2842 optname="${opt%%=*}"
2843 optname="${optname#--}"
2844 optname=$(echo "$optname" | sed 's/-/_/g')
2845 if is_in $optname $CMDLINE_SET; then
2846 eval $optname='$optval'
2847 elif is_in $optname $CMDLINE_APPEND; then
2848 append $optname "$optval"
2860 disabled logging && logfile=/dev/null
2862 # Die early if licensing-related configure options are incompatible.
2863 die_license_disabled() {
2864 enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
2867 map "die_license_disabled gpl" $EXTERNAL_LIBRARY_GPL_LIST
2868 map "die_license_disabled nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST $HWACCEL_LIBRARY_NONFREE_LIST
2869 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST
2871 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2873 # Disable all the library-specific components if the library itself
2874 # is disabled, see AVCODEC_LIST and following _LIST variables.
2876 disable_components(){
2877 disabled ${1} && disable $(
2878 eval components="\$$(toupper ${1})_COMPONENTS"
2879 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2883 map 'disable_components $v' $LIBRARY_LIST
2885 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2888 case "$toolchain" in
2890 cc_default="${toolchain%-asan}"
2891 add_cflags -fsanitize=address
2892 add_ldflags -fsanitize=address
2895 cc_default="${toolchain%-msan}"
2896 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2897 add_ldflags -fsanitize=memory
2900 cc_default="${toolchain%-tsan}"
2901 add_cflags -fsanitize=thread -fPIE
2902 add_ldflags -fsanitize=thread -pie
2903 case "$toolchain" in
2911 cc_default="${toolchain%-usan}"
2912 add_cflags -fsanitize=undefined
2913 add_ldflags -fsanitize=undefined
2914 case "$toolchain" in
2921 target_exec_default="valgrind"
2922 case "$toolchain" in
2924 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2927 target_exec_args="--track-origins=yes --leak-check=full"
2932 # Check whether the current MSVC version needs the C99 converter.
2933 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2934 # support enough of C99 to build libav. Default to the new
2935 # behaviour if the regexp was unable to match anything, since this
2936 # successfully parses the version number of existing supported
2937 # versions that require the converter (MSVC 2010 and 2012).
2938 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2939 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2942 cc_default="c99wrap cl"
2944 ld_default="$source_path/compat/windows/mslink"
2945 nm_default="dumpbin -symbols"
2952 target_os_default="win32"
2953 # Use a relative path for TMPDIR. This makes sure all the
2954 # ffconf temp files are written with a relative path, avoiding
2955 # issues with msys/win32 path conversion for MSVC parameters
2956 # such as -Fo<file> or -out:<file>.
2962 nm_default="dumpbin -symbols"
2964 target_os_default="win32"
2968 add_cflags -fprofile-arcs -ftest-coverage
2969 add_ldflags -fprofile-arcs -ftest-coverage
2972 add_cflags -fprofile-arcs -ftest-coverage
2973 add_ldflags --coverage
2976 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2977 add_cflags -fno-strict-overflow -fstack-protector-all
2978 add_ldflags -Wl,-z,relro -Wl,-z,now
2981 die "Unknown toolchain $toolchain"
2985 test -n "$cross_prefix" && enable cross_compile
2987 if enabled cross_compile; then
2988 test -n "$arch" && test -n "$target_os" ||
2989 die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
2992 ar_default="${cross_prefix}${ar_default}"
2993 cc_default="${cross_prefix}${cc_default}"
2994 occ_default="${cross_prefix}${occ_default}"
2995 nm_default="${cross_prefix}${nm_default}"
2996 pkg_config_default="${cross_prefix}${pkg_config_default}"
2997 ranlib="${cross_prefix}${ranlib}"
2998 strip="${cross_prefix}${strip}"
3000 sysinclude_default="${sysroot}/usr/include"
3002 set_default arch cc pkg_config sysinclude target_exec target_os
3003 enabled cross_compile || host_cc_default=$cc
3006 if ! $pkg_config --version >/dev/null 2>&1; then
3007 warn "$pkg_config not found, library detection may fail."
3013 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3017 EXESUF=$(exesuf $target_os)
3018 HOSTEXESUF=$(exesuf $host_os)
3020 # set temporary file name
3021 : ${TMPDIR:=$TEMPDIR}
3025 if ! check_cmd mktemp -u XXXXXX; then
3026 # simple replacement for missing mktemp
3027 # NOT SAFE FOR GENERAL USE
3029 tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3035 AVTMPDIR=$(mktemp -d "${TMPDIR}/avconf.XXXXXXXX" 2> /dev/null) ||
3036 die "Unable to create temporary directory in $TMPDIR."
3039 tmp="${AVTMPDIR}/test"$2
3040 (set -C; exec > $tmp) 2> /dev/null ||
3041 die "Unable to create temporary file in $AVTMPDIR."
3045 trap 'rm -rf -- "$AVTMPDIR"' EXIT
3050 tmpfile TMPE $EXESUF
3061 # make sure we can execute files in $TMPDIR
3062 cat > $TMPSH 2>> $logfile <<EOF
3065 chmod +x $TMPSH >> $logfile 2>&1
3066 if ! $TMPSH >> $logfile 2>&1; then
3068 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3069 variable to another directory and make sure that it is not mounted noexec.
3071 die "Sanity test failed."
3077 # Filter out MSVC cl.exe options from cflags that shouldn't
3078 # be passed to gas-preprocessor
3088 -std=c99) echo -c99 ;;
3089 -mcpu=*) echo -arch ${flag#*=} ;;
3090 -mieee) echo -ieee ;;
3091 -O*|-fast) echo $flag ;;
3092 -fno-math-errno) echo -assume nomath_errno ;;
3094 -Wall) echo -msg_enable level2 ;;
3095 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3096 -Wl,*) echo $flag ;;
3106 -Wno-switch) echo -Wno-switch-enum ;;
3107 -Wno-format-zero-length) ;;
3108 -Wdisabled-optimization) ;;
3109 -Wno-pointer-sign) echo -Wno-other ;;
3115 msvc_common_flags(){
3118 # In addition to specifying certain flags under the compiler
3119 # specific filters, they must be specified here as well or else the
3120 # generic catch all at the bottom will print the original flag.
3125 -fomit-frame-pointer) ;;
3129 -fno-signed-zeros) ;;
3133 -lz) echo zlib.lib ;;
3134 -lx264) echo libx264.lib ;;
3135 -l*) echo ${flag#-l}.lib ;;
3136 -L*) echo -libpath:${flag#-L} ;;
3143 msvc_common_flags "$@"
3146 -Wall) echo -W3 -wd4018 -wd4146 -wd4244 -wd4305 \
3148 -Wextra) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3149 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3150 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3151 -wd4273 -wd4554 -wd4701 -wd4703 ;;
3157 msvc_common_flags "$@"
3160 # Despite what Intel's documentation says -Wall, which is supported
3161 # on Windows, does enable remarks so disable them here.
3162 -Wall) echo $flag -Qdiag-disable:remark ;;
3163 -std=c99) echo -Qstd=c99 ;;
3171 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3172 -fomit-frame-pointer) echo -Mnoframe ;;
3183 case "${flag#*=}" in
3184 native) echo -xtarget=native ;;
3185 v9|niagara) echo -xarch=sparc ;;
3186 ultrasparc) echo -xarch=sparcvis ;;
3187 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3188 i586|pentium) echo -xchip=pentium ;;
3189 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3190 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3191 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3192 pentium4*) echo -xtarget=pentium4 ;;
3193 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3194 *-sse3) echo -xarch=sse3 ;;
3195 core2) echo -xarch=ssse3 -xchip=core2 ;;
3196 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3197 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3198 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3199 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3200 k8|opteron|athlon64|athlon-fx)
3201 echo -xarch=sse2a ;;
3202 athlon*) echo -xarch=pentium_proa ;;
3205 -std=c99) echo -xc99 ;;
3206 -fomit-frame-pointer) echo -xregs=frameptr ;;
3207 -fPIC) echo -KPIC -xcode=pic32 ;;
3208 -W*,*) echo $flag ;;
3209 -f*-*|-W*|-mimpure-text) ;;
3220 case "${flag#*=}" in
3221 armv7-a|cortex-a*) echo -mv=7a8 ;;
3222 armv7-r|cortex-r*) echo -mv=7r4 ;;
3223 armv7-m|cortex-m*) echo -mv=7m3 ;;
3224 armv6*|arm11*) echo -mv=6 ;;
3225 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3227 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3230 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3231 -mfpu=vfp) echo --float_support=vfpv2 ;;
3232 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3233 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3234 -msoft-float) echo --float_support=vfplib ;;
3235 -O[0-3]|-mf=*) echo $flag ;;
3237 -pds=*) echo $flag ;;
3238 -D*|-I*) echo $flag ;;
3239 --gcc|--abi=*) echo $flag ;;
3249 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3250 unset _ld_o _ldflags _ld_lib _ld_path
3251 unset _depflags _DEPCMD _DEPFLAGS
3254 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3256 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3257 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3258 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3261 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3263 gcc_version=$($_cc --version | head -n1)
3264 gcc_basever=$($_cc -dumpversion)
3265 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3266 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3267 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3268 if ! $_cc -dumpversion | grep -q '^2\.'; then
3269 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3273 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3275 _ident=$($_cc --version | head -n1)
3280 elif $_cc -v 2>&1 | grep -q xlc; then
3282 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3284 _cflags_size='-O5 -qcompact'
3285 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3287 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3289 _cflags_speed='-fast'
3291 _flags_filter=ccc_flags
3292 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3293 test -d "$sysroot" || die "No valid sysroot specified."
3295 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3296 armcc_conf="$PWD/armcc.conf"
3297 $_cc --arm_linux_configure \
3298 --arm_linux_config_file="$armcc_conf" \
3299 --configure_sysroot="$sysroot" \
3300 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3301 die "Error creating armcc configuration file."
3302 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3303 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3304 as_default="${cross_prefix}gcc"
3308 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3310 _ident=$($_cc -version | head -n1 | tr -s ' ')
3311 _flags='--gcc --abi=eabi -me'
3314 _depflags='-ppa -ppd=$(@:.o=.d)'
3315 _cflags_speed='-O3 -mf=5'
3316 _cflags_size='-O3 -mf=2'
3317 _flags_filter=tms470_flags
3318 elif $_cc -v 2>&1 | grep -q clang; then
3320 _ident=$($_cc --version 2>/dev/null | head -n1)
3321 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3324 elif $_cc -V 2>&1 | grep -q Sun; then
3326 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3327 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3328 _DEPFLAGS='-xM1 -xc99'
3331 _cflags_size='-O5 -xspace'
3332 _flags_filter=suncc_flags
3333 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3335 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3336 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3339 _flags_filter='filter_out -Wdisabled-optimization'
3340 elif $_cc -v 2>&1 | grep -q Open64; then
3342 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3343 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3346 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3347 elif $_cc -V 2>&1 | grep -q Portland; then
3349 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3350 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3351 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3352 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3354 _flags_filter=pgi_flags
3355 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3357 _ident=$($_cc | head -n1)
3358 # 4509: "This form of conditional instruction is deprecated"
3359 _flags="-nologo -ignore 4509"
3360 _flags_filter=armasm_flags
3361 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3363 _ident=$($_cc 2>&1 | head -n1)
3364 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3365 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3369 if $_cc -nologo- 2>&1 | grep -q Linker; then
3376 _flags_filter=msvc_flags
3378 _ld_path='-libpath:'
3380 elif $_cc 2>&1 | grep -q Intel; then
3382 _ident=$($_cc 2>&1 | head -n1)
3383 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3384 # Not only is O3 broken on 13.x+ but it is slower on all previous
3385 # versions (tested) as well.
3387 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3388 if $_cc 2>&1 | grep -q Linker; then
3395 _flags_filter=icl_flags
3397 _ld_path='-libpath:'
3398 # -Qdiag-error to make icl error when seeing certain unknown arguments
3399 _flags='-nologo -Qdiag-error:4044,10157'
3400 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3401 # with MSVC which enables it by default.
3402 _cflags='-Qms0 -Qvec- -Qsimd- -GS'
3403 elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
3404 # lld can emulate multiple different linkers; in ms link.exe mode,
3405 # the -? parameter gives the help output which contains an identifyable
3406 # string, while it gives an error in other modes.
3408 # The link.exe mode doesn't have a switch for getting the version,
3409 # but we can force it back to gnu mode and get the version from there.
3410 _ident=$($_cc -flavor gnu --version 2>/dev/null)
3412 _flags_filter=msvc_flags
3414 _ld_path='-libpath:'
3415 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3417 _ident=$($_cc --version | head -n1)
3421 _flags_filter=cparser_flags
3424 eval ${pfx}_type=\$_type
3425 eval ${pfx}_ident=\$_ident
3429 eval ${1}_C=\${_cc_c-\${${1}_C}}
3430 eval ${1}_E=\${_cc_e-\${${1}_E}}
3431 eval ${1}_O=\${_cc_o-\${${1}_O}}
3433 if [ -n "$_depflags" ]; then
3434 eval ${1}_DEPFLAGS=\$_depflags
3436 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3437 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3438 eval DEP${1}FLAGS=\$_flags
3443 cflags_filter=$_flags_filter
3444 cflags_speed=$_cflags_speed
3445 cflags_size=$_cflags_size
3446 cflags_noopt=$_cflags_noopt
3447 add_cflags $_flags $_cflags
3448 cc_ldflags=$_ldflags
3451 probe_cc hostcc "$host_cc"
3452 host_cflags_filter=$_flags_filter
3453 host_cflags_speed=$_cflags_speed
3454 add_host_cflags $_flags $_cflags
3457 test -n "$cc_type" && enable $cc_type ||
3458 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3460 : ${as_default:=$cc}
3461 : ${objcc_default:=$cc}
3462 : ${dep_cc_default:=$cc}
3463 : ${ld_default:=$cc}
3464 : ${host_ld_default:=$host_cc}
3465 set_default ar as objcc dep_cc ld host_ld
3468 asflags_filter=$_flags_filter
3469 add_asflags $_flags $_cflags
3472 probe_cc objcc "$objcc"
3473 objcflags_filter=$_flags_filter
3474 add_objcflags $_flags $_cflags
3478 ldflags_filter=$_flags_filter
3479 add_ldflags $_flags $_ldflags
3480 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3482 LD_LIB=${_ld_lib-$LD_LIB}
3483 LD_PATH=${_ld_path-$LD_PATH}
3485 probe_cc hostld "$host_ld"
3486 host_ldflags_filter=$_flags_filter
3487 add_host_ldflags $_flags $_ldflags
3488 HOSTLD_O=${_ld_o-$HOSTLD_O}
3490 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3491 probe_cc depcc "$dep_cc"
3492 CCDEP=${_DEPCMD:-$DEPCMD}
3493 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3497 if $ar 2>&1 | grep -q Microsoft; then
3500 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3503 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3504 arflags='-Xany -r -c'
3511 add_cflags $extra_cflags
3512 add_objcflags $extra_objcflags
3513 add_asflags $extra_cflags
3515 if test -n "$sysroot"; then
3518 add_cppflags --sysroot="$sysroot"
3519 add_ldflags --sysroot="$sysroot"
3522 add_cppflags -I"$sysinclude"
3523 add_ldflags --sysroot="$sysroot"
3528 if test "$cpu" = host; then
3529 enabled cross_compile &&
3530 die "--cpu=host makes no sense when cross-compiling."
3535 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3537 s/.*$1=\\([^ ]*\\).*/\\1/
3542 cpu=$(check_native -march || check_native -mcpu)
3546 test "${cpu:-host}" = host &&
3547 die "--cpu=host not supported with compiler $cc"
3550 # Deal with common $arch aliases
3574 "Power Macintosh"|ppc*|powerpc*)
3589 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3594 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3597 # Add processor-specific flags
3598 if enabled aarch64; then
3602 cpuflags="-march=$cpu"
3605 cpuflags="-mcpu=$cpu"
3609 elif enabled alpha; then
3611 cpuflags="-mcpu=$cpu"
3613 elif enabled arm; then
3616 check_cpp_condition stddef.h \
3617 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3622 if check_arm_arch 4; then echo armv4
3623 elif check_arm_arch 4T; then echo armv4t
3624 elif check_arm_arch 5; then echo armv5
3625 elif check_arm_arch 5E; then echo armv5e
3626 elif check_arm_arch 5T; then echo armv5t
3627 elif check_arm_arch 5TE; then echo armv5te
3628 elif check_arm_arch 5TEJ; then echo armv5te
3629 elif check_arm_arch 6; then echo armv6
3630 elif check_arm_arch 6J; then echo armv6j
3631 elif check_arm_arch 6K; then echo armv6k
3632 elif check_arm_arch 6Z; then echo armv6z
3633 elif check_arm_arch 6ZK; then echo armv6zk
3634 elif check_arm_arch 6T2; then echo armv6t2
3635 elif check_arm_arch 7; then echo armv7
3636 elif check_arm_arch 7A 7_A; then echo armv7-a
3637 elif check_arm_arch 7S; then echo armv7-a
3638 elif check_arm_arch 7R 7_R; then echo armv7-r
3639 elif check_arm_arch 7M 7_M; then echo armv7-m
3640 elif check_arm_arch 7EM 7E_M; then echo armv7-m
3641 elif check_arm_arch 8A 8_A; then echo armv8-a
3645 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3649 cpuflags="-march=$cpu"
3650 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3653 cpuflags="-mcpu=$cpu"
3655 cortex-a*) subarch=armv7a ;;
3656 cortex-r*) subarch=armv7r ;;
3657 cortex-m*) enable thumb; subarch=armv7m ;;
3658 arm11*) subarch=armv6 ;;
3659 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3660 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3661 *) subarch=$(probe_arm_arch) ;;
3667 armv5t*) enable fast_clz ;;
3668 armv[6-8]*) enable fast_clz fast_unaligned ;;
3671 elif enabled avr32; then
3676 cpuflags="-mpart=$cpu"
3680 cpuflags="-march=$cpu"
3684 cpuflags="-mcpu=$cpu"
3688 cpuflags="-march=$cpu"
3692 elif enabled bfin; then
3694 cpuflags="-mcpu=$cpu"
3696 elif enabled mips; then
3698 cpuflags="-march=$cpu"
3700 elif enabled ppc; then
3704 case $(tolower $cpu) in
3705 601|ppc601|powerpc601)
3706 cpuflags="-mcpu=601"
3709 603*|ppc603*|powerpc603*)
3710 cpuflags="-mcpu=603"
3713 604*|ppc604*|powerpc604*)
3714 cpuflags="-mcpu=604"
3717 g3|75*|ppc75*|powerpc75*)
3718 cpuflags="-mcpu=750"
3721 g4|745*|ppc745*|powerpc745*)
3722 cpuflags="-mcpu=7450"
3725 74*|ppc74*|powerpc74*)
3726 cpuflags="-mcpu=7400"
3729 g5|970|ppc970|powerpc970)
3730 cpuflags="-mcpu=970"
3734 cpuflags="-mcpu=$cpu"
3738 cpuflags="-mcpu=$cpu"
3742 cpuflags="-mcpu=cell"
3747 cpuflags="-mcpu=e500mc"
3751 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3756 cpuflags="-mcpu=8540 -mhard-float"
3762 elif enabled sparc; then
3765 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3766 cpuflags="-mcpu=$cpu"
3768 ultrasparc*|niagara[234])
3769 cpuflags="-mcpu=$cpu"
3773 elif enabled x86; then
3777 cpuflags="-march=$cpu"
3781 # targets that do NOT support nopl and conditional mov (cmov)
3782 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3783 cpuflags="-march=$cpu"
3786 # targets that do support nopl and conditional mov (cmov)
3787 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3788 cpuflags="-march=$cpu"
3792 # targets that do support conditional mov but on which it's slow
3793 pentium4|pentium4m|prescott|nocona)
3794 cpuflags="-march=$cpu"
3802 if [ "$cpu" != generic ]; then
3803 add_cflags $cpuflags
3804 add_asflags $cpuflags
3805 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3808 # compiler sanity check
3810 int main(void){ return 0; }
3812 if test "$?" != 0; then
3813 echo "$cc is unable to create an executable file."
3814 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3815 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3816 echo "Only do this if you know what cross compiling means."
3818 die "C compiler test failed."
3821 add_cppflags -D_ISOC99_SOURCE
3823 # some compilers silently accept -std=c11, so we also need to check that the
3824 # version macro is defined properly
3825 check_cpp_condition stdlib.h "__STDC_VERSION__ >= 201112L" -std=c11 &&
3826 add_cflags -std=c11 ||
3827 check_cflags -std=c99
3829 check_cppflags -D_FILE_OFFSET_BITS=64
3830 check_cppflags -D_LARGEFILE_SOURCE
3832 add_host_cppflags -D_ISOC99_SOURCE
3833 check_host_cflags -std=c99
3834 check_host_cflags -Wall
3835 check_host_cflags $host_cflags_speed
3841 check_code cc "" "int test[2*($expr) - 1]" &&
3842 subarch=$arch64 || subarch=$arch32
3850 check_64bit mips mips64 '_MIPS_SIM > 1'
3854 check_64bit parisc parisc64 'sizeof(void *) > 4'
3858 check_64bit ppc ppc64 'sizeof(void *) > 4'
3862 check_64bit s390 s390x 'sizeof(void *) > 4'
3866 check_64bit sparc sparc64 'sizeof(void *) > 4'
3870 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3871 if test "$subarch" = "x86_64"; then
3878 enabled spic && enable_weak pic
3884 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3885 enabled shared && add_ldflags -Wl,-brtl
3889 enable section_data_rel_ro
3890 SLIB_INSTALL_NAME='$(SLIBNAME)'
3892 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3895 prefix_default="/boot/common"
3896 network_extralibs="-lnetwork"
3900 SHFLAGS='-shared -Wl,-h,$$(@F)'
3901 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3902 network_extralibs="-lsocket -lnsl"
3903 # When using suncc to build, the Solaris linker will mark
3904 # an executable with each instruction set encountered by
3905 # the Solaris assembler. As our libraries contain their own
3906 # guards for processor-specific code, instead suppress
3907 # generation of the HWCAPS ELF section on Solaris x86 only.
3908 enabled_all suncc x86 &&
3909 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3910 add_ldflags -Wl,-M,mapfile
3911 nm_default='nm -P -g'
3913 VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
3917 oss_indev_extralibs="-lossaudio"
3918 oss_outdev_extralibs="-lossaudio"
3923 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
3925 oss_indev_extralibs="-lossaudio"
3926 oss_outdev_extralibs="-lossaudio"
3934 add_extralibs -lpoll -lgnugetopt
3937 enabled ppc && add_asflags -force_cpusubtype_ALL
3938 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
3939 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
3940 add_ldflags -Wl,-dynamic,-search_paths_first
3942 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME).$(LIBVERSION)$(SLIBSUF)'
3943 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME).$(LIBMAJOR)$(SLIBSUF)'
3945 enabled x86_64 && objformat="macho64"
3946 enabled_any pic shared ||
3947 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
3948 check_header dispatch/dispatch.h &&
3949 add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
3952 die "Native MSYS builds are discouraged, please use the MINGW environment."
3955 if test $target_os = "mingw32ce"; then
3961 if enabled x86_64; then
3962 LIBTARGET="i386:x86-64"
3963 elif enabled arm; then
3966 check_ldflags -Wl,--nxcompat
3967 check_ldflags -Wl,--dynamicbase
3968 shlibdir_default="$bindir_default"
3971 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3972 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
3973 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
3974 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
3976 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
3977 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
3978 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
3980 dlltool="${cross_prefix}dlltool"
3986 if enabled shared; then
3987 # Link to the import library instead of the normal static library
3990 # Cannot build both shared and static libs with MSVC or icl.
3993 shlibdir_default="$bindir_default"
3996 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
3997 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
3998 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
3999 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4001 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4002 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4003 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4010 shlibdir_default="$bindir_default"
4013 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4014 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(NAME)-$(LIBMAJOR)$(SLIBSUF)'
4015 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4017 SLIB_INSTALL_EXTRA_LIB='lib$(NAME).dll.a'
4018 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(NAME).dll.a'
4022 *-dos|freedos|opendos)
4023 network_extralibs="-lsocket"
4026 add_cppflags -U__STRICT_ANSI__
4030 enable section_data_rel_ro
4034 ranlib="echo ignoring ranlib"
4039 add_cppflags -D_GNU_SOURCE
4040 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap
4041 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4045 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4046 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4047 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4048 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4049 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4050 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4051 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4052 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4053 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4054 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4058 add_cppflags -D_BSD_SOURCE
4063 add_cppflags -D_QNX_SOURCE
4064 network_extralibs="-lsocket"
4069 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4070 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4071 add_ldflags -Wl,--target1-abs,--no-undefined \
4072 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4073 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4074 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4075 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4076 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib