#!/bin/sh # # FFmpeg configure script # # Copyright (c) 2000-2002 Fabrice Bellard # Copyright (c) 2005-2008 Diego Biurrun # Copyright (c) 2005-2008 Mans Rullgard # # Prevent locale nonsense from breaking basic text processing. LC_ALL=C export LC_ALL # make sure we are running under a compatible shell # try to make this part work with most shells try_exec(){ echo "Trying shell $1" type "$1" > /dev/null 2>&1 && exec "$@" } unset foo (: ${foo%%bar}) 2> /dev/null E1="$?" (: ${foo?}) 2> /dev/null E2="$?" if test "$E1" != 0 || test "$E2" = 0; then echo "Broken shell detected. Trying alternatives." export FF_CONF_EXEC if test "0$FF_CONF_EXEC" -lt 1; then FF_CONF_EXEC=1 try_exec bash "$0" "$@" fi if test "0$FF_CONF_EXEC" -lt 2; then FF_CONF_EXEC=2 try_exec ksh "$0" "$@" fi if test "0$FF_CONF_EXEC" -lt 3; then FF_CONF_EXEC=3 try_exec /usr/xpg4/bin/sh "$0" "$@" fi echo "No compatible shell script interpreter found." echo "This configure script requires a POSIX-compatible shell" echo "such as bash or ksh." echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH." echo "Instead, install a working POSIX-compatible shell." echo "Disabling this configure test will create a broken FFmpeg." if test "$BASH_VERSION" = '2.04.0(1)-release'; then echo "This bash version ($BASH_VERSION) is broken on your platform." echo "Upgrade to a later version if available." fi exit 1 fi test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH show_help(){ cat <<EOF Usage: configure [options] Options: [defaults in brackets after descriptions] Help options: --help print this message --list-decoders show all available decoders --list-encoders show all available encoders --list-hwaccels show all available hardware accelerators --list-demuxers show all available demuxers --list-muxers show all available muxers --list-parsers show all available parsers --list-protocols show all available protocols --list-bsfs show all available bitstream filters --list-indevs show all available input devices --list-outdevs show all available output devices --list-filters show all available filters Standard options: --logfile=FILE log tests and output to FILE [config.log] --disable-logging do not log configure debug information --fatal-warnings fail if any configure warning is generated --prefix=PREFIX install in PREFIX [$prefix] --bindir=DIR install binaries in DIR [PREFIX/bin] --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg] --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg] --libdir=DIR install libs in DIR [PREFIX/lib] --shlibdir=DIR install shared libs in DIR [PREFIX/lib] --incdir=DIR install includes in DIR [PREFIX/include] --mandir=DIR install man page in DIR [PREFIX/share/man] --enable-rpath use rpath to allow installing libraries in paths not part of the dynamic linker search path Licensing options: --enable-gpl allow use of GPL code, the resulting libs and binaries will be under GPL [no] --enable-version3 upgrade (L)GPL to version 3 [no] --enable-nonfree allow use of nonfree code, the resulting libs and binaries will be unredistributable [no] Configuration options: --disable-static do not build static libraries [no] --enable-shared build shared libraries [no] --enable-small optimize for size instead of speed --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary) --enable-gray enable full grayscale support (slower color) --disable-swscale-alpha disable alpha channel support in swscale --disable-all disable building components, libraries and programs --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no] --enable-raise-major increase major version numbers in sonames [no] Program options: --disable-programs do not build command line programs --disable-ffmpeg disable ffmpeg build --disable-ffplay disable ffplay build --disable-ffprobe disable ffprobe build --disable-ffserver disable ffserver build Documentation options: --disable-doc do not build documentation --disable-htmlpages do not build HTML documentation pages --disable-manpages do not build man documentation pages --disable-podpages do not build POD documentation pages --disable-txtpages do not build text documentation pages Component options: --disable-avdevice disable libavdevice build --disable-avcodec disable libavcodec build --disable-avformat disable libavformat build --disable-avutil disable libavutil build --disable-swresample disable libswresample build --disable-swscale disable libswscale build --disable-postproc disable libpostproc build --disable-avfilter disable libavfilter build --enable-avresample enable libavresample build [no] --disable-pthreads disable pthreads [auto] --disable-w32threads disable Win32 threads [auto] --disable-os2threads disable OS/2 threads [auto] --disable-network disable network support [no] --disable-dct disable DCT code --disable-dwt disable DWT code --disable-error-resilience disable error resilience code --disable-lsp disable LSP code --disable-lzo disable LZO decoder code --disable-mdct disable MDCT code --disable-rdft disable RDFT code --disable-fft disable FFT code Hardware accelerators: --disable-dxva2 disable DXVA2 code [autodetect] --disable-vaapi disable VAAPI code [autodetect] --disable-vda disable VDA code [autodetect] --disable-vdpau disable VDPAU code [autodetect] Individual component options: --disable-everything disable all components listed below --disable-encoder=NAME disable encoder NAME --enable-encoder=NAME enable encoder NAME --disable-encoders disable all encoders --disable-decoder=NAME disable decoder NAME --enable-decoder=NAME enable decoder NAME --disable-decoders disable all decoders --disable-hwaccel=NAME disable hwaccel NAME --enable-hwaccel=NAME enable hwaccel NAME --disable-hwaccels disable all hwaccels --disable-muxer=NAME disable muxer NAME --enable-muxer=NAME enable muxer NAME --disable-muxers disable all muxers --disable-demuxer=NAME disable demuxer NAME --enable-demuxer=NAME enable demuxer NAME --disable-demuxers disable all demuxers --enable-parser=NAME enable parser NAME --disable-parser=NAME disable parser NAME --disable-parsers disable all parsers --enable-bsf=NAME enable bitstream filter NAME --disable-bsf=NAME disable bitstream filter NAME --disable-bsfs disable all bitstream filters --enable-protocol=NAME enable protocol NAME --disable-protocol=NAME disable protocol NAME --disable-protocols disable all protocols --enable-indev=NAME enable input device NAME --disable-indev=NAME disable input device NAME --disable-indevs disable input devices --enable-outdev=NAME enable output device NAME --disable-outdev=NAME disable output device NAME --disable-outdevs disable output devices --disable-devices disable all devices --enable-filter=NAME enable filter NAME --disable-filter=NAME disable filter NAME --disable-filters disable all filters External library support: --enable-avisynth enable reading of AviSynth script files [no] --disable-bzlib disable bzlib [autodetect] --enable-fontconfig enable fontconfig --enable-frei0r enable frei0r video filtering --enable-gnutls enable gnutls [no] --disable-iconv disable iconv [autodetect] --enable-ladspa enable LADSPA audio filtering --enable-libaacplus enable AAC+ encoding via libaacplus [no] --enable-libass enable libass subtitles rendering [no] --enable-libbluray enable BluRay reading using libbluray [no] --enable-libbs2b enable bs2b DSP library [no] --enable-libcaca enable textual display using libcaca --enable-libcelt enable CELT decoding via libcelt [no] --enable-libcdio enable audio CD grabbing with libcdio --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394 and libraw1394 [no] --enable-libfaac enable AAC encoding via libfaac [no] --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no] --enable-libflite enable flite (voice synthesis) support via libflite [no] --enable-libfreetype enable libfreetype [no] --enable-libgme enable Game Music Emu via libgme [no] --enable-libgsm enable GSM de/encoding via libgsm [no] --enable-libiec61883 enable iec61883 via libiec61883 [no] --enable-libilbc enable iLBC de/encoding via libilbc [no] --enable-libmodplug enable ModPlug via libmodplug [no] --enable-libmp3lame enable MP3 encoding via libmp3lame [no] --enable-libnut enable NUT (de)muxing via libnut, native (de)muxer exists [no] --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no] --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no] --enable-libopencv enable video filtering via libopencv [no] --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no] --enable-libopus enable Opus de/encoding via libopus [no] --enable-libpulse enable Pulseaudio input via libpulse [no] --enable-libquvi enable quvi input via libquvi [no] --enable-librtmp enable RTMP[E] support via librtmp [no] --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no] --enable-libshine enable fixed-point MP3 encoding via libshine [no] --enable-libsoxr enable Include libsoxr resampling [no] --enable-libspeex enable Speex de/encoding via libspeex [no] --enable-libssh enable SFTP protocol via libssh [no] --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no] --enable-libtheora enable Theora encoding via libtheora [no] --enable-libtwolame enable MP2 encoding via libtwolame [no] --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no] --enable-libv4l2 enable libv4l2/v4l-utils [no] --enable-libvidstab enable video stabilization using vid.stab [no] --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no] --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no] --enable-libvorbis enable Vorbis en/decoding via libvorbis, native implementation exists [no] --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no] --enable-libwavpack enable wavpack encoding via libwavpack [no] --enable-libwebp enable WebP encoding via libwebp [no] --enable-libx264 enable H.264 encoding via x264 [no] --enable-libx265 enable HEVC encoding via x265 [no] --enable-libxavs enable AVS encoding via xavs [no] --enable-libxvid enable Xvid encoding via xvidcore, native MPEG-4/Xvid encoder exists [no] --enable-libzmq enable message passing via libzmq [no] --enable-libzvbi enable teletext support via libzvbi [no] --enable-decklink enable Blackmagick DeckLink output [no] --enable-openal enable OpenAL 1.1 capture support [no] --enable-opencl enable OpenCL code --enable-opengl enable OpenGL rendering [no] --enable-openssl enable openssl [no] --enable-x11grab enable X11 grabbing [no] --disable-xlib disable xlib [autodetect] --disable-zlib disable zlib [autodetect] Toolchain options: --arch=ARCH select architecture [$arch] --cpu=CPU select the minimum required CPU (affects instruction selection, may crash on older CPUs) --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix] --progs-suffix=SUFFIX program name suffix [] --enable-cross-compile assume a cross-compiler is used --sysroot=PATH root of cross-build tree --sysinclude=PATH location of cross-build system headers --target-os=OS compiler targets OS [$target_os] --target-exec=CMD command to run executables on target --target-path=DIR path to view of build directory on target --target-samples=DIR path to samples directory on target --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks --toolchain=NAME set tool defaults according to NAME --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default] --nm=NM use nm tool NM [$nm_default] --ar=AR use archive tool AR [$ar_default] --as=AS use assembler AS [$as_default] --windres=WINDRES use windows resource compiler WINDRES [$windres_default] --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default] --cc=CC use C compiler CC [$cc_default] --cxx=CXX use C compiler CXX [$cxx_default] --dep-cc=DEPCC use dependency generator DEPCC [$cc_default] --ld=LD use linker LD [$ld_default] --pkg-config=PKGCONF use pkg-config PKGCONF [$pkg_config_default] --pkg-config-flags=FLAGS pass additional flags to pkgconf [] --ranlib=RANLIB use ranlib RANLIB [$ranlib_default] --host-cc=HOSTCC use host C compiler HOSTCC --host-cflags=HCFLAGS use HCFLAGS when compiling for host --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host --host-ld=HOSTLD use host linker HOSTLD --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host --host-libs=HLIBS use libs HLIBS when linking for host --host-os=OS compiler host OS [$target_os] --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS] --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS] --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS] --extra-libs=ELIBS add ELIBS [$ELIBS] --extra-version=STRING version string suffix [] --optflags=OPTFLAGS override optimization-related compiler flags --build-suffix=SUFFIX library name suffix [] --enable-pic build position-independent code --enable-thumb compile for Thumb instruction set --enable-lto use link-time optimization Advanced options (experts only): --malloc-prefix=PREFIX prefix malloc and related names with PREFIX --disable-symver disable symbol versioning --enable-hardcoded-tables use hardcoded tables instead of runtime generation --disable-safe-bitstream-reader disable buffer boundary checking in bitreaders (faster, but may crash) --enable-memalign-hack emulate memalign, interferes with memory debuggers --enable-sram allow use of on-chip SRAM Optimization options (experts only): --disable-asm disable all assembler optimizations --disable-altivec disable AltiVec optimizations --disable-amd3dnow disable 3DNow! optimizations --disable-amd3dnowext disable 3DNow! extended optimizations --disable-mmx disable MMX optimizations --disable-mmxext disable MMXEXT optimizations --disable-sse disable SSE optimizations --disable-sse2 disable SSE2 optimizations --disable-sse3 disable SSE3 optimizations --disable-ssse3 disable SSSE3 optimizations --disable-sse4 disable SSE4 optimizations --disable-sse42 disable SSE4.2 optimizations --disable-avx disable AVX optimizations --disable-xop disable XOP optimizations --disable-fma3 disable FMA3 optimizations --disable-fma4 disable FMA4 optimizations --disable-avx2 disable AVX2 optimizations --disable-armv5te disable armv5te optimizations --disable-armv6 disable armv6 optimizations --disable-armv6t2 disable armv6t2 optimizations --disable-vfp disable VFP optimizations --disable-neon disable NEON optimizations --disable-inline-asm disable use of inline assembler --disable-yasm disable use of yasm assembler --disable-mips32r2 disable MIPS32R2 optimizations --disable-mipsdspr1 disable MIPS DSP ASE R1 optimizations --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations --disable-mipsfpu disable floating point MIPS optimizations --disable-fast-unaligned consider unaligned accesses slow Developer options (useful when working on FFmpeg itself): --disable-debug disable debugging symbols --enable-debug=LEVEL set the debug level [$debuglevel] --disable-optimizations disable compiler optimizations --enable-extra-warnings enable more compiler warnings --disable-stripping disable stripping of executables and shared libraries --assert-level=level 0(default), 1 or 2, amount of assertion testing, 2 causes a slowdown at runtime. --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory leaks and errors, using the specified valgrind binary. Cannot be combined with --target-exec --enable-ftrapv Trap arithmetic overflows --samples=PATH location of test samples for FATE, if not set use \$FATE_SAMPLES at make invocation time. --enable-neon-clobber-test check NEON registers for clobbering (should be used only for debugging purposes) --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only; should be used only for debugging purposes) --enable-random randomly enable/disable components --disable-random --enable-random=LIST randomly enable/disable specific components or --disable-random=LIST component groups. LIST is a comma-separated list of NAME[:PROB] entries where NAME is a component (group) and PROB the probability associated with NAME (default 0.5). --random-seed=VALUE seed value for --enable/disable-random NOTE: Object files are built at the place where configure is launched. EOF exit 0 } quotes='""' log(){ echo "$@" >> $logfile } log_file(){ log BEGIN $1 pr -n -t $1 >> $logfile log END $1 } echolog(){ log "$@" echo "$@" } warn(){ log "WARNING: $*" WARNINGS="${WARNINGS}WARNING: $*\n" } die(){ echolog "$@" cat <<EOF If you think configure made a mistake, make sure you are using the latest version from Git. If the latest version fails, report the problem to the ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net. EOF if disabled logging; then cat <<EOF Rerun configure with logging enabled (do not use --disable-logging), and include the log this produces with your report. EOF else cat <<EOF Include the log file "$logfile" produced by configure as this will help solve the problem. EOF fi exit 1 } # Avoid locale weirdness, besides we really just want to translate ASCII. toupper(){ echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ } tolower(){ echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz } c_escape(){ echo "$*" | sed 's/["\\]/\\\0/g' } sh_quote(){ v=$(echo "$1" | sed "s/'/'\\\\''/g") test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'" echo "$v" } cleanws(){ echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g' } filter(){ pat=$1 shift for v; do eval "case $v in $pat) echo $v ;; esac" done } filter_out(){ pat=$1 shift for v; do eval "case $v in $pat) ;; *) echo $v ;; esac" done } map(){ m=$1 shift for v; do eval $m; done } add_suffix(){ suffix=$1 shift for v; do echo ${v}${suffix}; done } set_all(){ value=$1 shift for var in $*; do eval $var=$value done } set_weak(){ value=$1 shift for var; do eval : \${$var:=$value} done } sanitize_var_name(){ echo $@ | sed 's/[^A-Za-z0-9_]/_/g' } set_safe(){ var=$1 shift eval $(sanitize_var_name "$var")='$*' } get_safe(){ eval echo \$$(sanitize_var_name "$1") } pushvar(){ for pvar in $*; do eval level=\${${pvar}_level:=0} eval ${pvar}_${level}="\$$pvar" eval ${pvar}_level=$(($level+1)) done } popvar(){ for pvar in $*; do eval level=\${${pvar}_level:-0} test $level = 0 && continue eval level=$(($level-1)) eval $pvar="\${${pvar}_${level}}" eval ${pvar}_level=$level eval unset ${pvar}_${level} done } enable(){ set_all yes $* } disable(){ set_all no $* } enable_weak(){ set_weak yes $* } disable_weak(){ set_weak no $* } enable_safe(){ for var; do enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g') done } disable_safe(){ for var; do disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g') done } do_enable_deep(){ for var; do enabled $var && continue eval sel="\$${var}_select" eval sgs="\$${var}_suggest" pushvar var sgs enable_deep $sel popvar sgs enable_deep_weak $sgs popvar var done } enable_deep(){ do_enable_deep $* enable $* } enable_deep_weak(){ for var; do disabled $var && continue pushvar var do_enable_deep $var popvar var enable_weak $var done } enabled(){ test "${1#!}" = "$1" && op== || op=!= eval test "x\$${1#!}" $op "xyes" } disabled(){ test "${1#!}" = "$1" && op== || op=!= eval test "x\$${1#!}" $op "xno" } enabled_all(){ for opt; do enabled $opt || return 1 done } disabled_all(){ for opt; do disabled $opt || return 1 done } enabled_any(){ for opt; do enabled $opt && return 0 done } disabled_any(){ for opt; do disabled $opt && return 0 done return 1 } set_default(){ for opt; do eval : \${$opt:=\$${opt}_default} done } is_in(){ value=$1 shift for var in $*; do [ $var = $value ] && return 0 done return 1 } do_check_deps(){ for cfg; do cfg="${cfg#!}" enabled ${cfg}_checking && die "Circular dependency for $cfg." disabled ${cfg}_checking && continue enable ${cfg}_checking append allopts $cfg eval dep_all="\$${cfg}_deps" eval dep_any="\$${cfg}_deps_any" eval dep_sel="\$${cfg}_select" eval dep_sgs="\$${cfg}_suggest" eval dep_ifa="\$${cfg}_if" eval dep_ifn="\$${cfg}_if_any" pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; } [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; } enabled_all $dep_all || disable $cfg enabled_any $dep_any || disable $cfg disabled_any $dep_sel && disable $cfg if enabled $cfg; then enable_deep $dep_sel enable_deep_weak $dep_sgs fi disable ${cfg}_checking done } check_deps(){ unset allopts do_check_deps "$@" for cfg in $allopts; do enabled $cfg || continue eval dep_extralibs="\$${cfg}_extralibs" test -n "$dep_extralibs" && add_extralibs $dep_extralibs done } print_config(){ pfx=$1 files=$2 shift 2 map 'eval echo "$v \${$v:-no}"' "$@" | awk "BEGIN { split(\"$files\", files) } { c = \"$pfx\" toupper(\$1); v = \$2; sub(/yes/, 1, v); sub(/no/, 0, v); for (f in files) { file = files[f]; if (file ~ /\\.h\$/) { printf(\"#define %s %d\\n\", c, v) >>file; } else if (file ~ /\\.asm\$/) { printf(\"%%define %s %d\\n\", c, v) >>file; } else if (file ~ /\\.mak\$/) { n = -v ? \"\" : \"!\"; printf(\"%s%s=yes\\n\", n, c) >>file; } else if (file ~ /\\.texi\$/) { pre = -v ? \"\" : \"@c \"; yesno = \$2; c2 = tolower(c); gsub(/_/, \"-\", c2); printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file; } } }" } print_enabled(){ suf=$1 shift for v; do enabled $v && printf "%s\n" ${v%$suf}; done } append(){ var=$1 shift eval "$var=\"\$$var $*\"" } prepend(){ var=$1 shift eval "$var=\"$* \$$var\"" } unique(){ var=$1 uniq_list="" for tok in $(eval echo \$$var); do uniq_list="$(filter_out $tok $uniq_list) $tok" done eval "$var=\"${uniq_list}\"" } add_cppflags(){ append CPPFLAGS "$@" } add_cflags(){ append CFLAGS $($cflags_filter "$@") } add_cxxflags(){ append CXXFLAGS $($cflags_filter "$@") } add_asflags(){ append ASFLAGS $($asflags_filter "$@") } add_ldflags(){ append LDFLAGS $($ldflags_filter "$@") } add_stripflags(){ append ASMSTRIPFLAGS "$@" } add_extralibs(){ prepend extralibs $($ldflags_filter "$@") } add_host_cppflags(){ append host_cppflags "$@" } add_host_cflags(){ append host_cflags $($host_cflags_filter "$@") } add_host_ldflags(){ append host_ldflags $($host_ldflags_filter "$@") } add_compat(){ append compat_objs $1 shift map 'add_cppflags -D$v' "$@" } check_cmd(){ log "$@" "$@" >> $logfile 2>&1 } check_stat(){ log check_stat "$@" stat "$1" >> $logfile 2>&1 } cc_o(){ eval printf '%s\\n' $CC_O } cc_e(){ eval printf '%s\\n' $CC_E } check_cc(){ log check_cc "$@" cat > $TMPC log_file $TMPC check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC } check_cxx(){ log check_cxx "$@" cat > $TMPCPP log_file $TMPCPP check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP } check_oc(){ log check_oc "$@" cat > $TMPM log_file $TMPM check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM } check_cpp(){ log check_cpp "$@" cat > $TMPC log_file $TMPC check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC } as_o(){ eval printf '%s\\n' $AS_O } check_as(){ log check_as "$@" cat > $TMPS log_file $TMPS check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS } check_inline_asm(){ log check_inline_asm "$@" name="$1" code="$2" shift 2 disable $name check_cc "$@" <<EOF && enable $name void foo(void){ __asm__ volatile($code); } EOF } check_insn(){ log check_insn "$@" check_inline_asm ${1}_inline "\"$2\"" echo "$2" | check_as && enable ${1}_external || disable ${1}_external } check_yasm(){ log check_yasm "$@" echo "$1" > $TMPS log_file $TMPS shift 1 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS } ld_o(){ eval printf '%s\\n' $LD_O } check_ld(){ log check_ld "$@" type=$1 shift 1 flags=$(filter_out '-l*|*.so' $@) libs=$(filter '-l*|*.so' $@) check_$type $($cflags_filter $flags) || return flags=$($ldflags_filter $flags) libs=$($ldflags_filter $libs) check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs } print_include(){ hdr=$1 test "${hdr%.h}" = "${hdr}" && echo "#include $hdr" || echo "#include <$hdr>" } check_code(){ log check_code "$@" check=$1 headers=$2 code=$3 shift 3 { for hdr in $headers; do print_include $hdr done echo "int main(void) { $code; return 0; }" } | check_$check "$@" } check_cppflags(){ log check_cppflags "$@" check_cc "$@" <<EOF && append CPPFLAGS "$@" int x; EOF } test_cflags(){ log test_cflags "$@" set -- $($cflags_filter "$@") check_cc "$@" <<EOF int x; EOF } check_cflags(){ log check_cflags "$@" test_cflags "$@" && add_cflags "$@" } check_cxxflags(){ log check_cxxflags "$@" set -- $($cflags_filter "$@") check_cxx "$@" <<EOF && append CXXFLAGS "$@" int x; EOF } test_ldflags(){ log test_ldflags "$@" check_ld "cc" "$@" <<EOF int main(void){ return 0; } EOF } check_ldflags(){ log check_ldflags "$@" test_ldflags "$@" && add_ldflags "$@" } test_stripflags(){ log test_stripflags "$@" # call check_cc to get a fresh TMPO check_cc <<EOF int main(void) { return 0; } EOF check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO } check_stripflags(){ log check_stripflags "$@" test_stripflags "$@" && add_stripflags "$@" } check_header(){ log check_header "$@" header=$1 shift disable_safe $header check_cpp "$@" <<EOF && enable_safe $header #include <$header> int x; EOF } check_header_oc(){ log check_header_oc "$@" rm -f -- "$TMPO" header=$1 shift disable_safe $header { echo "#include <$header>" echo "int main(void) { return 0; }" } | check_oc && check_stat "$TMPO" && enable_safe $headers } check_func(){ log check_func "$@" func=$1 shift disable $func check_ld "cc" "$@" <<EOF && enable $func extern int $func(); int main(void){ $func(); } EOF } check_mathfunc(){ log check_mathfunc "$@" func=$1 narg=$2 shift 2 test $narg = 2 && args="f, g" || args="f" disable $func check_ld "cc" "$@" <<EOF && enable $func #include <math.h> float foo(float f, float g) { return $func($args); } int main(void){ return (int) foo; } EOF } check_func_headers(){ log check_func_headers "$@" headers=$1 funcs=$2 shift 2 { for hdr in $headers; do print_include $hdr done for func in $funcs; do echo "long check_$func(void) { return (long) $func; }" done echo "int main(void) { return 0; }" } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers } check_class_headers_cpp(){ log check_class_headers_cpp "$@" headers=$1 classes=$2 shift 2 { for hdr in $headers; do echo "#include <$hdr>" done echo "int main(void) { " i=1 for class in $classes; do echo "$class obj$i;" i=$(expr $i + 1) done echo "return 0; }" } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers } check_cpp_condition(){ log check_cpp_condition "$@" header=$1 condition=$2 shift 2 check_cpp "$@" <<EOF #include <$header> #if !($condition) #error "unsatisfied condition: $condition" #endif EOF } check_lib(){ log check_lib "$@" header="$1" func="$2" shift 2 check_header $header && check_func $func "$@" && add_extralibs "$@" } check_lib2(){ log check_lib2 "$@" headers="$1" funcs="$2" shift 2 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@" } check_lib_cpp(){ log check_lib_cpp "$@" headers="$1" classes="$2" shift 2 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@" } check_pkg_config(){ log check_pkg_config "$@" pkgandversion="$1" pkg="${1%% *}" headers="$2" funcs="$3" shift 3 check_cmd $pkg_config --exists --print-errors $pkgandversion || return pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg) pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg) check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" && set_safe ${pkg}_cflags $pkg_cflags && set_safe ${pkg}_libs $pkg_libs } check_exec(){ check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; } } check_exec_crash(){ code=$(cat) # exit() is not async signal safe. _Exit (C99) and _exit (POSIX) # are safe but may not be available everywhere. Thus we use # raise(SIGTERM) instead. The check is run in a subshell so we # can redirect the "Terminated" message from the shell. SIGBUS # is not defined by standard C so it is used conditionally. (check_exec "$@") >> $logfile 2>&1 <<EOF #include <signal.h> static void sighandler(int sig){ raise(SIGTERM); } int foo(void){ $code } int (*func_ptr)(void) = foo; int main(void){ signal(SIGILL, sighandler); signal(SIGFPE, sighandler); signal(SIGSEGV, sighandler); #ifdef SIGBUS signal(SIGBUS, sighandler); #endif return func_ptr(); } EOF } check_type(){ log check_type "$@" headers=$1 type=$2 shift 2 disable_safe "$type" check_code cc "$headers" "$type v" "$@" && enable_safe "$type" } check_struct(){ log check_struct "$@" headers=$1 struct=$2 member=$3 shift 3 disable_safe "${struct}_${member}" check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" && enable_safe "${struct}_${member}" } check_builtin(){ log check_builtin "$@" name=$1 headers=$2 builtin=$3 shift 3 disable "$name" check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name" } check_compile_assert(){ log check_compile_assert "$@" name=$1 headers=$2 condition=$3 shift 3 disable "$name" check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name" } require(){ name="$1" header="$2" func="$3" shift 3 check_lib $header $func "$@" || die "ERROR: $name not found" } require2(){ name="$1" headers="$2" func="$3" shift 3 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found" } require_cpp(){ name="$1" headers="$2" classes="$3" shift 3 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found" } require_pkg_config(){ pkg="$1" check_pkg_config "$@" || die "ERROR: $pkg not found" add_cflags $(get_safe ${pkg}_cflags) add_extralibs $(get_safe ${pkg}_libs) } require_libfreetype(){ log require_libfreetype "$@" pkg="freetype2" check_cmd $pkg_config --exists --print-errors $pkg \ || die "ERROR: $pkg not found" pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg) pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg) { echo "#include <ft2build.h>" echo "#include FT_FREETYPE_H" echo "long check_func(void) { return (long) FT_Init_FreeType; }" echo "int main(void) { return 0; }" } | check_ld "cc" $pkg_cflags $pkg_libs \ && set_safe ${pkg}_cflags $pkg_cflags \ && set_safe ${pkg}_libs $pkg_libs \ || die "ERROR: $pkg not found" add_cflags $(get_safe ${pkg}_cflags) add_extralibs $(get_safe ${pkg}_libs) } hostcc_e(){ eval printf '%s\\n' $HOSTCC_E } hostcc_o(){ eval printf '%s\\n' $HOSTCC_O } check_host_cc(){ log check_host_cc "$@" cat > $TMPC log_file $TMPC check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC } check_host_cpp(){ log check_host_cpp "$@" cat > $TMPC log_file $TMPC check_cmd $host_cc $HOSTCPPFLAGS $HOSTCFLAGS "$@" $(hostcc_e $TMPO) $TMPC } check_host_cppflags(){ log check_host_cppflags "$@" check_host_cc "$@" <<EOF && append host_cppflags "$@" int x; EOF } check_host_cflags(){ log check_host_cflags "$@" set -- $($host_cflags_filter "$@") check_host_cc "$@" <<EOF && append host_cflags "$@" int x; EOF } check_host_cpp_condition(){ log check_host_cpp_condition "$@" header=$1 condition=$2 shift 2 check_host_cpp "$@" <<EOF #include <$header> #if !($condition) #error "unsatisfied condition: $condition" #endif EOF } apply(){ file=$1 shift "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp" } cp_if_changed(){ cmp -s "$1" "$2" && echo "$2 is unchanged" && return mkdir -p "$(dirname $2)" $cp_f "$1" "$2" } # CONFIG_LIST contains configurable options, while HAVE_LIST is for # system-dependent things. COMPONENT_LIST=" bsfs decoders demuxers encoders filters hwaccels indevs muxers outdevs parsers protocols " EXAMPLE_LIST=" avio_reading_example decoding_encoding_example demuxing_decoding_example filter_audio_example filtering_audio_example filtering_video_example metadata_example muxing_example remuxing_example resampling_audio_example scaling_video_example transcode_aac_example transcoding_example " EXTERNAL_LIBRARY_LIST=" avisynth bzlib crystalhd decklink frei0r gnutls iconv ladspa libaacplus libass libbluray libbs2b libcaca libcdio libcelt libdc1394 libfaac libfdk_aac libflite libfontconfig libfreetype libgme libgsm libiec61883 libilbc libmodplug libmp3lame libnut libopencore_amrnb libopencore_amrwb libopencv libopenjpeg libopus libpulse libquvi librtmp libschroedinger libshine libsoxr libspeex libssh libstagefright_h264 libtheora libtwolame libutvideo libv4l2 libvidstab libvo_aacenc libvo_amrwbenc libvorbis libvpx libwavpack libwebp libx264 libx265 libxavs libxvid libzmq libzvbi openal opencl opengl openssl x11grab xlib zlib " DOCUMENT_LIST=" doc htmlpages manpages podpages txtpages " FEATURE_LIST=" ftrapv gray hardcoded_tables runtime_cpudetect safe_bitstream_reader shared small sram static swscale_alpha " HWACCEL_LIST=" dxva2 vaapi vda vdpau xvmc " LIBRARY_LIST=" avcodec avdevice avfilter avformat avresample avutil postproc swresample swscale " LICENSE_LIST=" gpl nonfree version3 " PROGRAM_LIST=" ffplay ffprobe ffserver ffmpeg " SUBSYSTEM_LIST=" dct dwt error_resilience fast_unaligned fft lsp lzo mdct network rdft " CONFIG_LIST=" $COMPONENT_LIST $DOCUMENT_LIST $EXAMPLE_LIST $EXTERNAL_LIBRARY_LIST $FEATURE_LIST $HWACCEL_LIST $LICENSE_LIST $LIBRARY_LIST $PROGRAM_LIST $SUBSYSTEM_LIST fontconfig incompatible_libav_abi memalign_hack memory_poisoning neon_clobber_test pic pod2man raise_major thumb xmm_clobber_test " THREADS_LIST=" pthreads os2threads w32threads " ATOMICS_LIST=" atomics_gcc atomics_suncc atomics_win32 " ARCH_LIST=" aarch64 alpha arm avr32 avr32_ap avr32_uc bfin ia64 m68k mips mips64 parisc ppc ppc64 s390 sh4 sparc sparc64 tilegx tilepro tomi x86 x86_32 x86_64 " ARCH_EXT_LIST_ARM=" armv5te armv6 armv6t2 armv8 neon vfp vfpv3 " ARCH_EXT_LIST_MIPS=" mipsfpu mips32r2 mipsdspr1 mipsdspr2 " ARCH_EXT_LIST_X86_SIMD=" amd3dnow amd3dnowext avx avx2 fma3 fma4 mmx mmxext sse sse2 sse3 sse4 sse42 ssse3 xop " ARCH_EXT_LIST_PPC=" altivec dcbzl ldbrx ppc4xx " ARCH_EXT_LIST_X86=" $ARCH_EXT_LIST_X86_SIMD cpunop i686 " ARCH_EXT_LIST=" $ARCH_EXT_LIST_ARM $ARCH_EXT_LIST_PPC $ARCH_EXT_LIST_X86 $ARCH_EXT_LIST_MIPS loongson " ARCH_FEATURES=" aligned_stack fast_64bit fast_clz fast_cmov local_aligned_8 local_aligned_16 local_aligned_32 " BUILTIN_LIST=" atomic_cas_ptr machine_rw_barrier MemoryBarrier mm_empty rdtsc sarestart sync_val_compare_and_swap " HAVE_LIST_CMDLINE=" inline_asm symver yasm " HAVE_LIST_PUB=" bigendian fast_unaligned incompatible_libav_abi " HEADERS_LIST=" alsa_asoundlib_h altivec_h arpa_inet_h asm_types_h cdio_paranoia_h cdio_paranoia_paranoia_h CL_cl_h dev_bktr_ioctl_bt848_h dev_bktr_ioctl_meteor_h dev_ic_bt8xx_h dev_video_bktr_ioctl_bt848_h dev_video_meteor_ioctl_meteor_h direct_h dlfcn_h dxva_h ES2_gl_h gsm_h io_h mach_mach_time_h machine_ioctl_bt848_h machine_ioctl_meteor_h malloc_h openjpeg_1_5_openjpeg_h OpenGL_gl3_h poll_h sndio_h soundcard_h sys_mman_h sys_param_h sys_resource_h sys_select_h sys_soundcard_h sys_time_h sys_un_h sys_videoio_h termios_h unistd_h windows_h winsock2_h " MATH_FUNCS=" atanf atan2f cbrt cbrtf cosf exp2 exp2f expf isinf isnan ldexpf llrint llrintf log2 log2f log10f lrint lrintf powf rint round roundf sinf trunc truncf " SYSTEM_FUNCS=" access aligned_malloc clock_gettime closesocket CommandLineToArgvW CoTaskMemFree CryptGenRandom dlopen fcntl flt_lim fork getaddrinfo gethrtime getopt GetProcessAffinityMask GetProcessMemoryInfo GetProcessTimes getrusage getservbyport GetSystemTimeAsFileTime gettimeofday glob glXGetProcAddress inet_aton isatty jack_port_get_latency_range kbhit localtime_r lzo1x_999_compress mach_absolute_time MapViewOfFile memalign mkstemp mmap mprotect nanosleep PeekNamedPipe posix_memalign pthread_cancel sched_getaffinity SetConsoleTextAttribute setmode setrlimit Sleep strerror_r sysconf sysctl usleep VirtualAlloc wglGetProcAddress " TOOLCHAIN_FEATURES=" asm_mod_q attribute_may_alias attribute_packed ebp_available ebx_available gnu_as gnu_windres ibm_asm inline_asm_labels inline_asm_nonlocal_labels inline_asm_direct_symbol_refs pragma_deprecated rsync_contimeout symver_asm_label symver_gnu_asm vfp_args xform_asm xmm_clobbers " TYPES_LIST=" socklen_t struct_addrinfo struct_group_source_req struct_ip_mreq_source struct_ipv6_mreq struct_pollfd struct_rusage_ru_maxrss struct_sctp_event_subscribe struct_sockaddr_in6 struct_sockaddr_sa_len struct_sockaddr_storage struct_stat_st_mtim_tv_nsec struct_v4l2_frmivalenum_discrete " HAVE_LIST=" $ARCH_EXT_LIST $(add_suffix _external $ARCH_EXT_LIST) $(add_suffix _inline $ARCH_EXT_LIST) $ARCH_FEATURES $ATOMICS_LIST $BUILTIN_LIST $HAVE_LIST_CMDLINE $HAVE_LIST_PUB $HEADERS_LIST $MATH_FUNCS $SYSTEM_FUNCS $THREADS_LIST $TOOLCHAIN_FEATURES $TYPES_LIST atomics_native dos_paths dxva2api_cobj dxva2_lib libc_msvcrt libdc1394_1 libdc1394_2 makeinfo perl pod2man sdl texi2html threads vdpau_x11 xlib " # options emitted with CONFIG_ prefix but not available on the command line CONFIG_EXTRA=" aandcttables ac3dsp audio_frame_queue cabac dsputil exif frame_thread_encoder gcrypt golomb gplv3 h263dsp h264chroma h264dsp h264pred h264qpel hpeldsp huffman huffyuvdsp huffyuvencdsp intrax8 lgplv3 llviddsp lpc mpegaudio mpegaudiodsp mpegvideo mpegvideoenc nettle qpeldsp rangecoder riffdec riffenc rtpdec rtpenc_chain sinewin tpeldsp videodsp vp3dsp " CMDLINE_SELECT=" $ARCH_EXT_LIST $CONFIG_LIST $HAVE_LIST_CMDLINE $THREADS_LIST asm cross_compile debug extra_warnings logging lto optimizations rpath stripping " PATHS_LIST=" bindir datadir docdir incdir libdir mandir prefix shlibdir " CMDLINE_SET=" $PATHS_LIST ar arch as assert_level build_suffix cc cpu cross_prefix cxx dep_cc extra_version gas host_cc host_cflags host_ld host_ldflags host_libs host_os install ld logfile malloc_prefix nm optflags pkg_config pkg_config_flags progs_suffix random_seed ranlib samples strip sysinclude sysroot target_exec target_os target_path target_samples tempprefix toolchain valgrind yasmexe " CMDLINE_APPEND=" extra_cflags extra_cxxflags host_cppflags " # code dependency declarations # architecture extensions armv5te_deps="arm" armv6_deps="arm" armv6t2_deps="arm" armv8_deps="aarch64" neon_deps_any="aarch64 arm" vfp_deps_any="aarch64 arm" vfpv3_deps="vfp" map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM mipsfpu_deps="mips" mips32r2_deps="mips" mipsdspr1_deps="mips" mipsdspr2_deps="mips" altivec_deps="ppc" ppc4xx_deps="ppc" cpunop_deps="i686" x86_64_select="i686" x86_64_suggest="fast_cmov" amd3dnow_deps="mmx" amd3dnowext_deps="amd3dnow" i686_deps="x86" mmx_deps="x86" mmxext_deps="mmx" sse_deps="mmxext" sse2_deps="sse" sse3_deps="sse2" ssse3_deps="sse3" sse4_deps="ssse3" sse42_deps="sse4" avx_deps="sse42" xop_deps="avx" fma3_deps="avx" fma4_deps="avx" avx2_deps="avx" mmx_external_deps="yasm" mmx_inline_deps="inline_asm" mmx_suggest="mmx_external mmx_inline" for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do eval dep=\$${ext}_deps eval ${ext}_external_deps='"${dep}_external"' eval ${ext}_inline_deps='"${dep}_inline"' eval ${ext}_suggest='"${ext}_external ${ext}_inline"' done aligned_stack_if_any="aarch64 ppc x86" fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64" fast_clz_if_any="aarch64 alpha avr32 mips ppc x86" fast_unaligned_if_any="aarch64 ppc x86" need_memalign="altivec neon sse" # system capabilities symver_if_any="symver_asm_label symver_gnu_asm" # threading support atomics_gcc_if="sync_val_compare_and_swap" atomics_suncc_if="atomic_cas_ptr machine_rw_barrier" atomics_win32_if="MemoryBarrier" atomics_native_if_any="$ATOMICS_LIST" w32threads_deps="atomics_native" threads_if_any="$THREADS_LIST" # subsystems dct_select="rdft" error_resilience_select="dsputil" frame_thread_encoder_deps="encoders threads" mdct_select="fft" rdft_select="fft" mpegaudio_select="mpegaudiodsp" mpegaudiodsp_select="dct" mpegvideo_select="dsputil h264chroma hpeldsp videodsp" mpegvideoenc_select="dsputil mpegvideo qpeldsp" # decoders / encoders aac_decoder_select="mdct sinewin" aac_encoder_select="audio_frame_queue mdct sinewin" aac_latm_decoder_select="aac_decoder aac_latm_parser" ac3_decoder_select="mdct ac3dsp ac3_parser dsputil" ac3_fixed_decoder_select="mdct ac3dsp ac3_parser dsputil" ac3_encoder_select="mdct ac3dsp dsputil" ac3_fixed_encoder_select="mdct ac3dsp dsputil" aic_decoder_select="dsputil golomb" alac_encoder_select="lpc" als_decoder_select="dsputil" amrnb_decoder_select="lsp" amrwb_decoder_select="lsp" amv_decoder_select="sp5x_decoder exif" amv_encoder_select="aandcttables" ape_decoder_select="dsputil" asv1_decoder_select="dsputil" asv1_encoder_select="dsputil" asv2_decoder_select="dsputil" asv2_encoder_select="dsputil" atrac1_decoder_select="mdct sinewin" atrac3_decoder_select="mdct" atrac3p_decoder_select="mdct sinewin" avrn_decoder_select="exif" bink_decoder_select="dsputil hpeldsp" binkaudio_dct_decoder_select="mdct rdft dct sinewin" binkaudio_rdft_decoder_select="mdct rdft sinewin" cavs_decoder_select="dsputil golomb h264chroma qpeldsp videodsp" cllc_decoder_select="dsputil" comfortnoise_encoder_select="lpc" cook_decoder_select="dsputil mdct sinewin" cscd_decoder_select="lzo" cscd_decoder_suggest="zlib" dca_decoder_select="mdct" dirac_decoder_select="dsputil dwt golomb videodsp" dnxhd_decoder_select="dsputil" dnxhd_encoder_select="aandcttables dsputil mpegvideoenc" dvvideo_decoder_select="dsputil" dvvideo_encoder_select="dsputil" dxa_decoder_select="zlib" eac3_decoder_select="ac3_decoder" eac3_encoder_select="ac3_encoder" eamad_decoder_select="aandcttables dsputil mpegvideo" eatgq_decoder_select="aandcttables" eatqi_decoder_select="aandcttables dsputil error_resilience mpegvideo" exr_decoder_select="zlib" ffv1_decoder_select="golomb rangecoder" ffv1_encoder_select="rangecoder" ffvhuff_decoder_select="huffyuv_decoder" ffvhuff_encoder_select="huffyuv_encoder" fic_decoder_select="golomb" flac_decoder_select="golomb" flac_encoder_select="dsputil golomb lpc" flashsv_decoder_select="zlib" flashsv_encoder_select="zlib" flashsv2_encoder_select="zlib" flashsv2_decoder_select="zlib" flv_decoder_select="h263_decoder" flv_encoder_select="h263_encoder" fourxm_decoder_select="dsputil" fraps_decoder_select="dsputil huffman" g2m_decoder_select="dsputil zlib" g729_decoder_select="dsputil" h261_decoder_select="error_resilience mpegvideo" h261_encoder_select="aandcttables mpegvideoenc" h263_decoder_select="error_resilience h263_parser h263dsp mpegvideo qpeldsp" h263_encoder_select="aandcttables h263dsp mpegvideoenc" h263i_decoder_select="h263_decoder" h263p_encoder_select="h263_encoder" h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp" h264_decoder_suggest="error_resilience" hevc_decoder_select="cabac dsputil golomb videodsp" huffyuv_decoder_select="dsputil huffyuvdsp llviddsp" huffyuv_encoder_select="dsputil huffman huffyuvencdsp llviddsp" iac_decoder_select="imc_decoder" imc_decoder_select="dsputil fft mdct sinewin" indeo3_decoder_select="hpeldsp" interplay_video_decoder_select="hpeldsp" jpegls_decoder_select="golomb mjpeg_decoder" jpegls_encoder_select="golomb" jv_decoder_select="dsputil" lagarith_decoder_select="huffyuvdsp" ljpeg_encoder_select="aandcttables mpegvideoenc" loco_decoder_select="golomb" mdec_decoder_select="dsputil error_resilience mpegvideo" metasound_decoder_select="lsp mdct sinewin" mimic_decoder_select="dsputil hpeldsp" mjpeg_decoder_select="dsputil hpeldsp exif" mjpeg_encoder_select="aandcttables mpegvideoenc" mjpegb_decoder_select="mjpeg_decoder" mlp_decoder_select="mlp_parser" motionpixels_decoder_select="dsputil" mp1_decoder_select="mpegaudio" mp1float_decoder_select="mpegaudio" mp2_decoder_select="mpegaudio" mp2float_decoder_select="mpegaudio" mp3_decoder_select="mpegaudio" mp3adu_decoder_select="mpegaudio" mp3adufloat_decoder_select="mpegaudio" mp3float_decoder_select="mpegaudio" mp3on4_decoder_select="mpegaudio" mp3on4float_decoder_select="mpegaudio" mpc7_decoder_select="dsputil mpegaudiodsp" mpc8_decoder_select="mpegaudiodsp" mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h" mpeg_xvmc_decoder_select="mpeg2video_decoder" mpeg1video_decoder_select="error_resilience mpegvideo" mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp" mpeg2video_decoder_select="error_resilience mpegvideo" mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp" mpeg4_decoder_select="h263_decoder mpeg4video_parser" mpeg4_encoder_select="h263_encoder" msmpeg4v1_decoder_select="h263_decoder" msmpeg4v2_decoder_select="h263_decoder" msmpeg4v2_encoder_select="h263_encoder" msmpeg4v3_decoder_select="h263_decoder" msmpeg4v3_encoder_select="h263_encoder" mss2_decoder_select="error_resilience qpeldsp vc1_decoder" mxpeg_decoder_select="mjpeg_decoder" nellymoser_decoder_select="mdct sinewin" nellymoser_encoder_select="audio_frame_queue mdct sinewin" nuv_decoder_select="dsputil lzo" on2avc_decoder_select="mdct" opus_decoder_deps="swresample" png_decoder_select="zlib" png_encoder_select="huffyuvencdsp zlib" prores_decoder_select="dsputil" prores_encoder_select="dsputil" qcelp_decoder_select="lsp" qdm2_decoder_select="mdct rdft mpegaudiodsp" ra_144_encoder_select="audio_frame_queue lpc" ralf_decoder_select="golomb" rawvideo_decoder_select="dsputil" rtjpeg_decoder_select="dsputil" rv10_decoder_select="error_resilience h263_decoder h263dsp" rv10_encoder_select="h263_encoder" rv20_decoder_select="error_resilience h263_decoder h263dsp" rv20_encoder_select="h263_encoder" rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp" rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo videodsp" shorten_decoder_select="golomb" sipr_decoder_select="lsp" snow_decoder_select="dsputil dwt h264qpel hpeldsp rangecoder" snow_encoder_select="aandcttables dsputil dwt h264qpel hpeldsp mpegvideoenc rangecoder" sonic_decoder_select="golomb rangecoder" sonic_encoder_select="golomb rangecoder" sonic_ls_encoder_select="golomb rangecoder" sp5x_decoder_select="mjpeg_decoder" svq1_decoder_select="hpeldsp" svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc" svq3_decoder_select="h264_decoder hpeldsp tpeldsp" svq3_decoder_suggest="zlib" tak_decoder_select="dsputil" theora_decoder_select="vp3_decoder" thp_decoder_select="mjpeg_decoder" tiff_decoder_suggest="zlib" tiff_encoder_suggest="zlib" truehd_decoder_select="mlp_parser" truemotion2_decoder_select="dsputil" truespeech_decoder_select="dsputil" tscc_decoder_select="zlib" twinvq_decoder_select="mdct lsp sinewin" utvideo_decoder_select="dsputil" utvideo_encoder_select="dsputil huffman huffyuvencdsp" vble_decoder_select="huffyuvdsp" vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8 qpeldsp" vc1image_decoder_select="vc1_decoder" vorbis_decoder_select="mdct" vorbis_encoder_select="mdct" vp3_decoder_select="hpeldsp vp3dsp videodsp" vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp" vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp" vp6a_decoder_select="vp6_decoder" vp6f_decoder_select="vp6_decoder" vp7_decoder_select="h264pred videodsp" vp8_decoder_select="h264pred videodsp" vp9_decoder_select="videodsp vp9_parser" webp_decoder_select="vp8_decoder" wmapro_decoder_select="mdct sinewin" wmav1_decoder_select="mdct sinewin" wmav1_encoder_select="mdct sinewin" wmav2_decoder_select="mdct sinewin" wmav2_encoder_select="mdct sinewin" wmavoice_decoder_select="lsp rdft dct mdct sinewin" wmv1_decoder_select="h263_decoder" wmv1_encoder_select="h263_encoder" wmv2_decoder_select="h263_decoder intrax8 videodsp" wmv2_encoder_select="h263_encoder" wmv3_decoder_select="vc1_decoder" wmv3image_decoder_select="wmv3_decoder" zerocodec_decoder_select="zlib" zlib_decoder_select="zlib" zlib_encoder_select="zlib" zmbv_decoder_select="zlib" zmbv_encoder_select="zlib" # hardware accelerators crystalhd_deps="libcrystalhd_libcrystalhd_if_h" dxva2_deps="dxva2api_h" vaapi_deps="va_va_h" vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads" vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore" vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h" xvmc_deps="X11_extensions_XvMClib_h" h263_vaapi_hwaccel_deps="vaapi" h263_vaapi_hwaccel_select="h263_decoder" h263_vdpau_hwaccel_deps="vdpau" h263_vdpau_hwaccel_select="h263_decoder" h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser" h264_dxva2_hwaccel_deps="dxva2" h264_dxva2_hwaccel_select="h264_decoder" h264_vaapi_hwaccel_deps="vaapi" h264_vaapi_hwaccel_select="h264_decoder" h264_vda_decoder_deps="vda" h264_vda_decoder_select="h264_decoder" h264_vda_hwaccel_deps="vda" h264_vda_hwaccel_select="h264_decoder" h264_vda_old_hwaccel_deps="vda" h264_vda_old_hwaccel_select="h264_decoder" h264_vdpau_decoder_deps="vdpau" h264_vdpau_decoder_select="h264_decoder" h264_vdpau_hwaccel_deps="vdpau" h264_vdpau_hwaccel_select="h264_decoder" mpeg_vdpau_decoder_deps="vdpau" mpeg_vdpau_decoder_select="mpeg2video_decoder" mpeg_xvmc_hwaccel_deps="xvmc" mpeg_xvmc_hwaccel_select="mpeg2video_decoder" mpeg1_vdpau_decoder_deps="vdpau" mpeg1_vdpau_decoder_select="mpeg1video_decoder" mpeg1_vdpau_hwaccel_deps="vdpau" mpeg1_vdpau_hwaccel_select="mpeg1video_decoder" mpeg1_xvmc_hwaccel_deps="xvmc" mpeg1_xvmc_hwaccel_select="mpeg1video_decoder" mpeg2_crystalhd_decoder_select="crystalhd" mpeg2_dxva2_hwaccel_deps="dxva2" mpeg2_dxva2_hwaccel_select="mpeg2video_decoder" mpeg2_vaapi_hwaccel_deps="vaapi" mpeg2_vaapi_hwaccel_select="mpeg2video_decoder" mpeg2_vdpau_hwaccel_deps="vdpau" mpeg2_vdpau_hwaccel_select="mpeg2video_decoder" mpeg2_xvmc_hwaccel_deps="xvmc" mpeg2_xvmc_hwaccel_select="mpeg2video_decoder" mpeg4_crystalhd_decoder_select="crystalhd" mpeg4_vaapi_hwaccel_deps="vaapi" mpeg4_vaapi_hwaccel_select="mpeg4_decoder" mpeg4_vdpau_decoder_deps="vdpau" mpeg4_vdpau_decoder_select="mpeg4_decoder" mpeg4_vdpau_hwaccel_deps="vdpau" mpeg4_vdpau_hwaccel_select="mpeg4_decoder" msmpeg4_crystalhd_decoder_select="crystalhd" vc1_crystalhd_decoder_select="crystalhd" vc1_dxva2_hwaccel_deps="dxva2" vc1_dxva2_hwaccel_select="vc1_decoder" vc1_vaapi_hwaccel_deps="vaapi" vc1_vaapi_hwaccel_select="vc1_decoder" vc1_vdpau_decoder_deps="vdpau" vc1_vdpau_decoder_select="vc1_decoder" vc1_vdpau_hwaccel_deps="vdpau" vc1_vdpau_hwaccel_select="vc1_decoder" wmv3_crystalhd_decoder_select="crystalhd" wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel" wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel" wmv3_vdpau_decoder_select="vc1_vdpau_decoder" wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel" # parsers h264_parser_select="h264_decoder" hevc_parser_select="hevc_decoder" mpegvideo_parser_select="error_resilience mpegvideo" mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp" vc1_parser_select="mpegvideo" # external libraries libaacplus_encoder_deps="libaacplus" libcelt_decoder_deps="libcelt" libfaac_encoder_deps="libfaac" libfaac_encoder_select="audio_frame_queue" libfdk_aac_decoder_deps="libfdk_aac" libfdk_aac_encoder_deps="libfdk_aac" libfdk_aac_encoder_select="audio_frame_queue" libgme_demuxer_deps="libgme" libgsm_decoder_deps="libgsm" libgsm_encoder_deps="libgsm" libgsm_ms_decoder_deps="libgsm" libgsm_ms_encoder_deps="libgsm" libilbc_decoder_deps="libilbc" libilbc_encoder_deps="libilbc" libmodplug_demuxer_deps="libmodplug" libmp3lame_encoder_deps="libmp3lame" libmp3lame_encoder_select="audio_frame_queue" libopencore_amrnb_decoder_deps="libopencore_amrnb" libopencore_amrnb_encoder_deps="libopencore_amrnb" libopencore_amrnb_encoder_select="audio_frame_queue" libopencore_amrwb_decoder_deps="libopencore_amrwb" libopenjpeg_decoder_deps="libopenjpeg" libopenjpeg_encoder_deps="libopenjpeg" libopus_decoder_deps="libopus" libopus_encoder_deps="libopus" libopus_encoder_select="audio_frame_queue" libquvi_demuxer_deps="libquvi" libschroedinger_decoder_deps="libschroedinger" libschroedinger_encoder_deps="libschroedinger" libshine_encoder_deps="libshine" libshine_encoder_select="audio_frame_queue" libspeex_decoder_deps="libspeex" libspeex_encoder_deps="libspeex" libspeex_encoder_select="audio_frame_queue" libstagefright_h264_decoder_deps="libstagefright_h264" libtheora_encoder_deps="libtheora" libtwolame_encoder_deps="libtwolame" libvo_aacenc_encoder_deps="libvo_aacenc" libvo_aacenc_encoder_select="audio_frame_queue" libvo_amrwbenc_encoder_deps="libvo_amrwbenc" libvorbis_decoder_deps="libvorbis" libvorbis_encoder_deps="libvorbis" libvorbis_encoder_select="audio_frame_queue" libvpx_vp8_decoder_deps="libvpx" libvpx_vp8_encoder_deps="libvpx" libvpx_vp9_decoder_deps="libvpx" libvpx_vp9_encoder_deps="libvpx" libwavpack_encoder_deps="libwavpack" libwebp_encoder_deps="libwebp" libx264_encoder_deps="libx264" libx264rgb_encoder_deps="libx264" libx265_encoder_deps="libx265" libxavs_encoder_deps="libxavs" libxvid_encoder_deps="libxvid" libutvideo_decoder_deps="libutvideo" libutvideo_encoder_deps="libutvideo" libzvbi_teletext_decoder_deps="libzvbi" # demuxers / muxers ac3_demuxer_select="ac3_parser" asf_demuxer_select="riffdec" asf_muxer_select="riffenc" asf_stream_muxer_select="asf_muxer" avi_demuxer_select="riffdec exif" avi_muxer_select="riffenc" avisynth_demuxer_deps="avisynth" avisynth_demuxer_select="riffdec" caf_demuxer_select="riffdec" dirac_demuxer_select="dirac_parser" dts_demuxer_select="dca_parser" dtshd_demuxer_select="dca_parser" dxa_demuxer_select="riffdec" eac3_demuxer_select="ac3_parser" f4v_muxer_select="mov_muxer" flac_demuxer_select="flac_parser" hds_muxer_select="flv_muxer" hls_muxer_select="mpegts_muxer" image2_alias_pix_demuxer_select="image2_demuxer" image2_brender_pix_demuxer_select="image2_demuxer" ipod_muxer_select="mov_muxer" ismv_muxer_select="mov_muxer" libnut_demuxer_deps="libnut" libnut_muxer_deps="libnut" matroska_audio_muxer_select="matroska_muxer" matroska_demuxer_select="riffdec" matroska_demuxer_suggest="bzlib lzo zlib" matroska_muxer_select="riffenc" mmf_muxer_select="riffenc" mov_demuxer_select="riffdec" mov_demuxer_suggest="zlib" mov_muxer_select="riffenc rtpenc_chain" mp3_demuxer_select="mpegaudio_parser" mp4_muxer_select="mov_muxer" mpegts_muxer_select="adts_muxer latm_muxer" mpegtsraw_demuxer_select="mpegts_demuxer" mxf_d10_muxer_select="mxf_muxer" nut_muxer_select="riffenc" nuv_demuxer_select="riffdec" ogg_demuxer_select="golomb" psp_muxer_select="mov_muxer" rtp_demuxer_select="sdp_demuxer" rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer" rtsp_demuxer_select="http_protocol rtpdec" rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain" sap_demuxer_select="sdp_demuxer" sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain" sdp_demuxer_select="rtpdec" smoothstreaming_muxer_select="ismv_muxer" spdif_muxer_select="aac_parser" tak_demuxer_select="tak_parser" tg2_muxer_select="mov_muxer" tgp_muxer_select="mov_muxer" vobsub_demuxer_select="mpegps_demuxer" w64_demuxer_select="wav_demuxer" w64_muxer_select="wav_muxer" wav_demuxer_select="riffdec" wav_muxer_select="riffenc" webm_muxer_select="riffenc" wtv_demuxer_select="riffdec" wtv_muxer_select="riffenc" xmv_demuxer_select="riffdec" xwma_demuxer_select="riffdec" # indevs / outdevs alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp" alsa_outdev_deps="alsa_asoundlib_h" avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia" avfoundation_indev_select="avfoundation" bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h" caca_outdev_deps="libcaca" decklink_outdev_deps="decklink pthreads" decklink_outdev_extralibs="-lstdc++" dshow_indev_deps="IBaseFilter" dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid" dv1394_indev_deps="dv1394" dv1394_indev_select="dv_demuxer" fbdev_indev_deps="linux_fb_h" fbdev_outdev_deps="linux_fb_h" gdigrab_indev_deps="CreateDIBSection" gdigrab_indev_extralibs="-lgdi32" gdigrab_indev_select="bmp_decoder" iec61883_indev_deps="libiec61883" jack_indev_deps="jack_jack_h sem_timedwait" lavfi_indev_deps="avfilter" libcdio_indev_deps="libcdio" libdc1394_indev_deps="libdc1394" libv4l2_indev_deps="libv4l2" openal_indev_deps="openal" opengl_outdev_deps="opengl" oss_indev_deps_any="soundcard_h sys_soundcard_h" oss_outdev_deps_any="soundcard_h sys_soundcard_h" pulse_indev_deps="libpulse" pulse_outdev_deps="libpulse" qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore" qtkit_indev_select="qtkit" sdl_outdev_deps="sdl" sndio_indev_deps="sndio_h" sndio_outdev_deps="sndio_h" v4l_indev_deps="linux_videodev_h" v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h" v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h" vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines" vfwcap_indev_extralibs="-lavicap32" xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute" xv_outdev_extralibs="-lXv -lX11 -lXext" x11grab_indev_deps="x11grab" # protocols bluray_protocol_deps="libbluray" ffrtmpcrypt_protocol_deps="!librtmp_protocol" ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl" ffrtmpcrypt_protocol_select="tcp_protocol" ffrtmphttp_protocol_deps="!librtmp_protocol" ffrtmphttp_protocol_select="http_protocol" ftp_protocol_select="tcp_protocol" gopher_protocol_select="network" http_protocol_select="tcp_protocol" httpproxy_protocol_select="tcp_protocol" https_protocol_select="tls_protocol" librtmp_protocol_deps="librtmp" librtmpe_protocol_deps="librtmp" librtmps_protocol_deps="librtmp" librtmpt_protocol_deps="librtmp" librtmpte_protocol_deps="librtmp" libssh_protocol_deps="libssh" mmsh_protocol_select="http_protocol" mmst_protocol_select="network" rtmp_protocol_deps="!librtmp_protocol" rtmp_protocol_select="tcp_protocol" rtmpe_protocol_select="ffrtmpcrypt_protocol" rtmps_protocol_deps="!librtmp_protocol" rtmps_protocol_select="tls_protocol" rtmpt_protocol_select="ffrtmphttp_protocol" rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol" rtmpts_protocol_select="ffrtmphttp_protocol https_protocol" rtp_protocol_select="udp_protocol" sctp_protocol_deps="struct_sctp_event_subscribe" sctp_protocol_select="network" srtp_protocol_select="rtp_protocol" tcp_protocol_select="network" tls_protocol_deps_any="openssl gnutls" tls_protocol_select="tcp_protocol" udp_protocol_select="network" unix_protocol_deps="sys_un_h" unix_protocol_select="network" # filters aconvert_filter_deps="swresample" amovie_filter_deps="avcodec avformat" aresample_filter_deps="swresample" ass_filter_deps="libass" asyncts_filter_deps="avresample" atempo_filter_deps="avcodec" atempo_filter_select="rdft" azmq_filter_deps="libzmq" blackframe_filter_deps="gpl" boxblur_filter_deps="gpl" bs2b_filter_deps="libbs2b" colormatrix_filter_deps="gpl" cropdetect_filter_deps="gpl" dctdnoiz_filter_deps="avcodec" dctdnoiz_filter_select="dct" delogo_filter_deps="gpl" deshake_filter_deps="avcodec" deshake_filter_select="dsputil" drawtext_filter_deps="libfreetype" ebur128_filter_deps="gpl" flite_filter_deps="libflite" frei0r_filter_deps="frei0r dlopen" frei0r_filter_extralibs='$ldl' frei0r_src_filter_deps="frei0r dlopen" frei0r_src_filter_extralibs='$ldl' geq_filter_deps="gpl" histeq_filter_deps="gpl" hqdn3d_filter_deps="gpl" interlace_filter_deps="gpl" kerndeint_filter_deps="gpl" ladspa_filter_deps="ladspa dlopen" ladspa_filter_extralibs='$ldl' mcdeint_filter_deps="avcodec gpl" movie_filter_deps="avcodec avformat" mp_filter_deps="gpl avcodec swscale inline_asm" mpdecimate_filter_deps="gpl avcodec" mptestsrc_filter_deps="gpl" negate_filter_deps="lut_filter" perspective_filter_deps="gpl" ocv_filter_deps="libopencv" owdenoise_filter_deps="gpl" pan_filter_deps="swresample" phase_filter_deps="gpl" pp_filter_deps="gpl postproc" pullup_filter_deps="gpl" removelogo_filter_deps="avcodec avformat swscale" resample_filter_deps="avresample" sab_filter_deps="gpl swscale" scale_filter_deps="swscale" smartblur_filter_deps="gpl swscale" showspectrum_filter_deps="avcodec" showspectrum_filter_select="rdft" spp_filter_deps="gpl avcodec" spp_filter_select="fft" stereo3d_filter_deps="gpl" subtitles_filter_deps="avformat avcodec libass" super2xsai_filter_deps="gpl" tinterlace_filter_deps="gpl" vidstabdetect_filter_deps="libvidstab" vidstabtransform_filter_deps="libvidstab" pixfmts_super2xsai_test_deps="super2xsai_filter" tinterlace_merge_test_deps="tinterlace_filter" tinterlace_pad_test_deps="tinterlace_filter" zmq_filter_deps="libzmq" # examples avio_reading="avformat avcodec avutil" avcodec_example_deps="avcodec avutil" demuxing_decoding_example_deps="avcodec avformat avutil" filter_audio_example_deps="avfilter avutil" filtering_audio_example_deps="avfilter avcodec avformat avutil" filtering_video_example_deps="avfilter avcodec avformat avutil" metadata_example_deps="avformat avutil" muxing_example_deps="avcodec avformat avutil swscale" remuxing_example_deps="avcodec avformat avutil" resampling_audio_example_deps="avutil swresample" scaling_video_example_deps="avutil swscale" transcode_aac_example_deps="avcodec avformat swresample" transcoding_example_deps="avfilter avcodec avformat avutil" # libraries, in linking order avcodec_deps="avutil" avdevice_deps="avformat avcodec avutil" avfilter_deps="avutil" avformat_deps="avcodec avutil" avresample_deps="avutil" postproc_deps="avutil gpl" swresample_deps="avutil" swscale_deps="avutil" # programs ffmpeg_deps="avcodec avfilter avformat swresample" ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter null_filter setpts_filter trim_filter" ffplay_deps="avcodec avformat swscale swresample sdl" ffplay_libs='$sdl_libs' ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter" ffprobe_deps="avcodec avformat" ffserver_deps="avformat fork sarestart" ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer" # documentation podpages_deps="perl" manpages_deps="perl pod2man" htmlpages_deps="perl texi2html" txtpages_deps="perl makeinfo" doc_deps_any="manpages htmlpages podpages txtpages" # default parameters logfile="config.log" # installation paths prefix_default="/usr/local" bindir_default='${prefix}/bin' datadir_default='${prefix}/share/ffmpeg' docdir_default='${prefix}/share/doc/ffmpeg' incdir_default='${prefix}/include' libdir_default='${prefix}/lib' mandir_default='${prefix}/share/man' shlibdir_default="$libdir_default" # toolchain ar_default="ar" cc_default="gcc" cxx_default="g++" host_cc_default="gcc" cp_f="cp -f" install="install" ln_s="ln -s -f" nm_default="nm -g" objformat="elf" pkg_config_default=pkg-config ranlib_default="ranlib" strip_default="strip" yasmexe_default="yasm" windres_default="windres" nogas=":" # OS target_os_default=$(tolower $(uname -s)) host_os=$target_os_default # machine if test "$target_os_default" = aix; then arch_default=$(uname -p) else arch_default=$(uname -m) fi cpu="generic" # configurable options enable $PROGRAM_LIST enable $DOCUMENT_LIST enable $EXAMPLE_LIST enable $(filter_out avresample $LIBRARY_LIST) enable stripping enable asm enable debug enable doc enable optimizations enable runtime_cpudetect enable safe_bitstream_reader enable static enable swscale_alpha # Enable hwaccels by default. enable dxva2 vaapi vda vdpau xvmc enable xlib # build settings SHFLAGS='-shared -Wl,-soname,$$(@F)' LIBPREF="lib" LIBSUF=".a" FULLNAME='$(NAME)$(BUILDSUF)' LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)' SLIBPREF="lib" SLIBSUF=".so" SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)' SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)' SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)' LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)' SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)' asflags_filter=echo cflags_filter=echo ldflags_filter=echo AS_C='-c' AS_O='-o $@' CC_C='-c' CC_E='-E -o $@' CC_O='-o $@' CXX_C='-c' CXX_O='-o $@' LD_O='-o $@' LD_LIB='-l%' LD_PATH='-L' HOSTCC_C='-c' HOSTCC_E='-E -o $@' HOSTCC_O='-o $@' HOSTLD_O='-o $@' host_libs='-lm' host_cflags_filter=echo host_ldflags_filter=echo target_path='$(CURDIR)' # since the object filename is not given with the -MM flag, the compiler # is only able to print the basename, and we must add the path ourselves DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)' DEPFLAGS='-MM' # find source path if test -f configure; then source_path=. else source_path=$(cd $(dirname "$0"); pwd) echo "$source_path" | grep -q '[[:blank:]]' && die "Out of tree builds are impossible with whitespace in source path." test -e "$source_path/config.h" && die "Out of tree builds are impossible with config.h in source dir." fi for v in "$@"; do r=${v#*=} l=${v%"$r"} r=$(sh_quote "$r") FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}" done find_things(){ thing=$1 pattern=$2 file=$source_path/$3 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file" } ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c) DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c) HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c) PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c) BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c) MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c) DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c) OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c) INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c) PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c) FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c) ALL_COMPONENTS=" $BSF_LIST $DECODER_LIST $DEMUXER_LIST $ENCODER_LIST $FILTER_LIST $HWACCEL_LIST $INDEV_LIST $MUXER_LIST $OUTDEV_LIST $PARSER_LIST $PROTOCOL_LIST " for n in $COMPONENT_LIST; do v=$(toupper ${n%s})_LIST eval enable \$$v eval ${n}_if_any="\$$v" done enable $ARCH_EXT_LIST die_unknown(){ echo "Unknown option \"$1\"." echo "See $0 --help for available options." exit 1 } print_3_columns() { cat | tr ' ' '\n' | sort | pr -r -3 -t } show_list() { suffix=_$1 shift echo $* | sed s/$suffix//g | print_3_columns exit 0 } rand_list(){ IFS=', ' set -- $* unset IFS for thing; do comp=${thing%:*} prob=${thing#$comp} prob=${prob#:} is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST echo "prob ${prob:-0.5}" printf '%s\n' $comp done } do_random(){ action=$1 shift random_seed=$(awk "BEGIN { srand($random_seed); print srand() }") $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }") } for opt do optval="${opt#*=}" case "$opt" in --extra-ldflags=*) add_ldflags $optval ;; --extra-libs=*) add_extralibs $optval ;; --disable-devices) disable $INDEV_LIST $OUTDEV_LIST ;; --enable-debug=*) debuglevel="$optval" ;; --disable-programs) disable $PROGRAM_LIST ;; --disable-everything) map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST ;; --disable-all) map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST disable $LIBRARY_LIST $PROGRAM_LIST doc ;; --enable-random|--disable-random) action=${opt%%-random} do_random ${action#--} $COMPONENT_LIST ;; --enable-random=*|--disable-random=*) action=${opt%%-random=*} do_random ${action#--} $optval ;; --enable-*=*|--disable-*=*) eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/') is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt" eval list=\$$(toupper $thing)_LIST name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing} list=$(filter "$name" $list) [ "$list" = "" ] && warn "Option $opt did not match anything" $action $list ;; --enable-?*|--disable-?*) eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g') if is_in $option $COMPONENT_LIST; then test $action = disable && action=unset eval $action \$$(toupper ${option%s})_LIST elif is_in $option $CMDLINE_SELECT; then $action $option else die_unknown $opt fi ;; --list-*) NAME="${opt#--list-}" is_in $NAME $COMPONENT_LIST || die_unknown $opt NAME=${NAME%s} eval show_list $NAME \$$(toupper $NAME)_LIST ;; --help|-h) show_help ;; --fatal-warnings) enable fatal_warnings ;; *) optname="${opt%%=*}" optname="${optname#--}" optname=$(echo "$optname" | sed 's/-/_/g') if is_in $optname $CMDLINE_SET; then eval $optname='$optval' elif is_in $optname $CMDLINE_APPEND; then append $optname "$optval" else die_unknown $opt fi ;; esac done disabled logging && logfile=/dev/null echo "# $0 $FFMPEG_CONFIGURATION" > $logfile set >> $logfile test -n "$cross_prefix" && enable cross_compile if enabled cross_compile; then test -n "$arch" && test -n "$target_os" || die "Must specify target arch and OS when cross-compiling" fi ar_default="${cross_prefix}${ar_default}" cc_default="${cross_prefix}${cc_default}" cxx_default="${cross_prefix}${cxx_default}" nm_default="${cross_prefix}${nm_default}" pkg_config_default="${cross_prefix}${pkg_config_default}" ranlib_default="${cross_prefix}${ranlib_default}" strip_default="${cross_prefix}${strip_default}" windres_default="${cross_prefix}${windres_default}" sysinclude_default="${sysroot}/usr/include" test -n "$valgrind" && toolchain="valgrind-memcheck" case "$toolchain" in clang-asan) cc_default="clang" add_cflags -fsanitize=address add_ldflags -fsanitize=address ;; clang-tsan) cc_default="clang" add_cflags -fsanitize=thread -pie add_ldflags -fsanitize=thread -pie ;; clang-usan) cc_default="clang" add_cflags -fsanitize=undefined add_ldflags -fsanitize=undefined ;; gcc-asan) cc_default="gcc" add_cflags -fsanitize=address add_ldflags -fsanitize=address ;; gcc-tsan) cc_default="gcc" add_cflags -fsanitize=thread -pie -fPIC add_ldflags -fsanitize=thread -pie -fPIC ;; gcc-usan) cc_default="gcc" add_cflags -fsanitize=undefined add_ldflags -fsanitize=undefined ;; valgrind-massif) target_exec_default=${valgrind:-"valgrind"} target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc" ;; valgrind-memcheck) target_exec_default=${valgrind:-"valgrind"} target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp" ;; msvc) # Check whether the current MSVC version needs the C99 converter. # From MSVC 2013 (compiler major version 18) onwards, it does actually # support enough of C99 to build ffmpeg. Default to the new # behaviour if the regexp was unable to match anything, since this # successfully parses the version number of existing supported # versions that require the converter (MSVC 2010 and 2012). cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p') if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then cc_default="cl" else cc_default="c99wrap cl" fi ld_default="link" nm_default="dumpbin -symbols" ar_default="lib" target_os_default="win32" # Use a relative path for TMPDIR. This makes sure all the # ffconf temp files are written with a relative path, avoiding # issues with msys/win32 path conversion for MSVC parameters # such as -Fo<file> or -out:<file>. TMPDIR=. ;; icl) cc_default="icl" ld_default="xilink" nm_default="dumpbin -symbols" ar_default="xilib" target_os_default="win32" TMPDIR=. ;; gcov) add_cflags -fprofile-arcs -ftest-coverage add_ldflags -fprofile-arcs -ftest-coverage ;; hardened) add_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all add_ldflags -Wl,-z,relro -Wl,-z,now ;; ?*) die "Unknown toolchain $toolchain" ;; esac set_default arch cc cxx pkg_config ranlib strip sysinclude target_exec target_os yasmexe enabled cross_compile || host_cc_default=$cc set_default host_cc if ! $pkg_config --version >/dev/null 2>&1; then warn "$pkg_config not found, library detection may fail." pkg_config=false fi exesuf() { case $1 in mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;; esac } EXESUF=$(exesuf $target_os) HOSTEXESUF=$(exesuf $host_os) # set temporary file name : ${TMPDIR:=$TEMPDIR} : ${TMPDIR:=$TMP} : ${TMPDIR:=/tmp} if [ -n "$tempprefix" ] ; then mktemp(){ echo $tempprefix.${HOSTNAME}.${UID} } elif ! check_cmd mktemp -u XXXXXX; then # simple replacement for missing mktemp # NOT SAFE FOR GENERAL USE mktemp(){ echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$" } fi tmpfile(){ tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 && (set -C; exec > $tmp) 2>/dev/null || die "Unable to create temporary file in $TMPDIR." append TMPFILES $tmp eval $1=$tmp } trap 'rm -f -- $TMPFILES' EXIT tmpfile TMPASM .asm tmpfile TMPC .c tmpfile TMPCPP .cpp tmpfile TMPE $EXESUF tmpfile TMPH .h tmpfile TMPM .m tmpfile TMPO .o tmpfile TMPS .S tmpfile TMPSH .sh tmpfile TMPV .ver unset -f mktemp chmod +x $TMPE # make sure we can execute files in $TMPDIR cat > $TMPSH 2>> $logfile <<EOF #! /bin/sh EOF chmod +x $TMPSH >> $logfile 2>&1 if ! $TMPSH >> $logfile 2>&1; then cat <<EOF Unable to create and execute files in $TMPDIR. Set the TMPDIR environment variable to another directory and make sure that it is not mounted noexec. EOF die "Sanity test failed." fi ccc_flags(){ for flag; do case $flag in -std=c99) echo -c99 ;; -mcpu=*) echo -arch ${flag#*=} ;; -mieee) echo -ieee ;; -O*|-fast) echo $flag ;; -fno-math-errno) echo -assume nomath_errno ;; -g) echo -g3 ;; -Wall) echo -msg_enable level2 ;; -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;; -Wl,*) echo $flag ;; -f*|-W*) ;; *) echo $flag ;; esac done } cparser_flags(){ for flag; do case $flag in -Wno-switch) echo -Wno-switch-enum ;; -Wno-format-zero-length) ;; -Wdisabled-optimization) ;; -Wno-pointer-sign) echo -Wno-other ;; *) echo $flag ;; esac done } msvc_common_flags(){ for flag; do case $flag in # In addition to specifying certain flags under the compiler # specific filters, they must be specified here as well or else the # generic catch all at the bottom will print the original flag. -Wall) ;; -std=c99) ;; # Common flags -fomit-frame-pointer) ;; -g) echo -Z7 ;; -fno-math-errno) ;; -fno-common) ;; -fno-signed-zeros) ;; -fPIC) ;; -mthumb) ;; -march=*) ;; -lz) echo zlib.lib ;; -lavifil32) echo vfw32.lib ;; -lavicap32) echo vfw32.lib user32.lib ;; -l*) echo ${flag#-l}.lib ;; *) echo $flag ;; esac done } msvc_flags(){ msvc_common_flags "$@" for flag; do case $flag in -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \ -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \ -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \ -wd4554 \ -wd4273 ;; esac done } icl_flags(){ msvc_common_flags "$@" for flag; do case $flag in # Despite what Intel's documentation says -Wall, which is supported # on Windows, does enable remarks so disable them here. -Wall) echo $flag -Qdiag-disable:remark ;; -std=c99) echo -Qstd=c99 ;; esac done } icc_flags(){ for flag; do case $flag in -flto) echo -ipo ;; *) echo $flag ;; esac done } pgi_flags(){ for flag; do case $flag in -flto) echo -Mipa=fast,libopt,libinline,vestigial ;; -fomit-frame-pointer) echo -Mnoframe ;; -g) echo -gopt ;; *) echo $flag ;; esac done } suncc_flags(){ for flag; do case $flag in -march=*|-mcpu=*) case "${flag#*=}" in native) echo -xtarget=native ;; v9|niagara) echo -xarch=sparc ;; ultrasparc) echo -xarch=sparcvis ;; ultrasparc3|niagara2) echo -xarch=sparcvis2 ;; i586|pentium) echo -xchip=pentium ;; i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;; pentium3*|c3-2) echo -xtarget=pentium3 ;; pentium-m) echo -xarch=sse2 -xchip=pentium3 ;; pentium4*) echo -xtarget=pentium4 ;; prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;; *-sse3) echo -xarch=sse3 ;; core2) echo -xarch=ssse3 -xchip=core2 ;; bonnell) echo -xarch=ssse3 ;; corei7|nehalem) echo -xtarget=nehalem ;; westmere) echo -xtarget=westmere ;; silvermont) echo -xarch=sse4_2 ;; corei7-avx|sandybridge) echo -xtarget=sandybridge ;; core-avx*|ivybridge|haswell|broadwell) echo -xarch=avx ;; amdfam10|barcelona) echo -xtarget=barcelona ;; btver1) echo -xarch=amdsse4a ;; btver2|bdver*) echo -xarch=avx ;; athlon-4|athlon-[mx]p) echo -xarch=ssea ;; k8|opteron|athlon64|athlon-fx) echo -xarch=sse2a ;; athlon*) echo -xarch=pentium_proa ;; esac ;; -std=c99) echo -xc99 ;; -fomit-frame-pointer) echo -xregs=frameptr ;; -fPIC) echo -KPIC -xcode=pic32 ;; -W*,*) echo $flag ;; -f*-*|-W*|-mimpure-text) ;; -shared) echo -G ;; *) echo $flag ;; esac done } tms470_flags(){ for flag; do case $flag in -march=*|-mcpu=*) case "${flag#*=}" in armv7-a|cortex-a*) echo -mv=7a8 ;; armv7-r|cortex-r*) echo -mv=7r4 ;; armv7-m|cortex-m*) echo -mv=7m3 ;; armv6*|arm11*) echo -mv=6 ;; armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) echo -mv=5e ;; armv4*|arm7*|arm9[24]*) echo -mv=4 ;; esac ;; -mfpu=neon) echo --float_support=vfpv3 --neon ;; -mfpu=vfp) echo --float_support=vfpv2 ;; -mfpu=vfpv3) echo --float_support=vfpv3 ;; -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;; -msoft-float) echo --float_support=vfplib ;; -O[0-3]|-mf=*) echo $flag ;; -g) echo -g -mn ;; -pds=*) echo $flag ;; -D*|-I*) echo $flag ;; --gcc|--abi=*) echo $flag ;; -me) echo $flag ;; esac done } probe_cc(){ pfx=$1 _cc=$2 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags unset _ld_o _ldflags _ld_lib _ld_path unset _depflags _DEPCMD _DEPFLAGS _flags_filter=echo if $_cc --version 2>&1 | grep -q '^GNU assembler'; then true # no-op to avoid reading stdin in following checks elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then _type=llvm_gcc gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)') _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver" _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O3' _cflags_size='-Os' elif $_cc -v 2>&1 | grep -qi ^gcc; then _type=gcc gcc_version=$($_cc --version | head -n1) gcc_basever=$($_cc -dumpversion) gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)') gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)") _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver") if ! $_cc -dumpversion | grep -q '^2\.'; then _depflags='-MMD -MF $(@:.o=.d) -MT $@' fi _cflags_speed='-O3' _cflags_size='-Os' elif $_cc --version 2>/dev/null | grep -q ^icc; then _type=icc _ident=$($_cc --version | head -n1) _depflags='-MMD' _cflags_speed='-O3' _cflags_size='-Os' _cflags_noopt='-O1' _flags_filter=icc_flags elif $_cc -v 2>&1 | grep -q xlc; then _type=xlc _ident=$($_cc -qversion 2>/dev/null | head -n1) _cflags_speed='-O5' _cflags_size='-O5 -qcompact' elif $_cc -V 2>/dev/null | grep -q Compaq; then _type=ccc _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3) _DEPFLAGS='-M' _cflags_speed='-fast' _cflags_size='-O1' _flags_filter=ccc_flags elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then test -d "$sysroot" || die "No valid sysroot specified." _type=armcc _ident=$($_cc --vsn | head -n1 | sed 's/.*: //') armcc_conf="$PWD/armcc.conf" $_cc --arm_linux_configure \ --arm_linux_config_file="$armcc_conf" \ --configure_sysroot="$sysroot" \ --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 || die "Error creating armcc configuration file." $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc _flags="--arm_linux_config_file=$armcc_conf --translate_gcc" as_default="${cross_prefix}gcc" _depflags='-MMD' _cflags_speed='-O3' _cflags_size='-Os' elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then _type=tms470 _ident=$($_cc -version | head -n1 | tr -s ' ') _flags='--gcc --abi=eabi -me' _cc_e='-ppl -fe=$@' _cc_o='-fe=$@' _depflags='-ppa -ppd=$(@:.o=.d)' _cflags_speed='-O3 -mf=5' _cflags_size='-O3 -mf=2' _flags_filter=tms470_flags elif $_cc -v 2>&1 | grep -q clang; then _type=clang _ident=$($_cc --version | head -n1) _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O3' _cflags_size='-Os' elif $_cc -V 2>&1 | grep -q Sun; then _type=suncc _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-) _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)' _DEPFLAGS='-xM1 -xc99' _ldflags='-std=c99' _cflags_speed='-O5' _cflags_size='-O5 -xspace' _flags_filter=suncc_flags elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then _type=pathscale _ident=$($_cc -v 2>&1 | head -n1 | tr -d :) _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O2' _cflags_size='-Os' _flags_filter='filter_out -Wdisabled-optimization' elif $_cc -v 2>&1 | grep -q Open64; then _type=open64 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :) _depflags='-MMD -MF $(@:.o=.d) -MT $@' _cflags_speed='-O2' _cflags_size='-Os' _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros' elif $_cc -V 2>&1 | grep -q Portland; then _type=pgi _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')" opt_common='-alias=ansi -Mdse -Mlre -Mpre' _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common" _cflags_size="-O2 -Munroll=c:1 $opt_common" _cflags_noopt="-O" _flags_filter=pgi_flags elif $_cc 2>&1 | grep -q Microsoft; then _type=msvc _ident=$($cc 2>&1 | head -n1) _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)' _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs' _cflags_speed="-O2" _cflags_size="-O1" if $_cc 2>&1 | grep -q Linker; then _ld_o='-out:$@' else _ld_o='-Fe$@' fi _cc_o='-Fo$@' _cc_e='-P -Fi$@' _flags_filter=msvc_flags _ld_lib='lib%.a' _ld_path='-libpath:' _flags='-nologo' _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64' if [ $pfx = hostcc ]; then append _cflags -Dsnprintf=_snprintf fi disable stripping elif $_cc 2>&1 | grep -q Intel; then _type=icl _ident=$($cc 2>&1 | head -n1) _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@' # Not only is O3 broken on 13.x+ but it is slower on all previous # versions (tested) as well. _cflags_speed="-O2" _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff if $_cc 2>&1 | grep -q Linker; then _ld_o='-out:$@' else _ld_o='-Fe$@' fi _cc_o='-Fo$@' _cc_e='-P' _flags_filter=icl_flags _ld_lib='lib%.a' _ld_path='-libpath:' # -Qdiag-error to make icl error when seeing certain unknown arguments _flags='-nologo -Qdiag-error:4044,10157' # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency # with MSVC which enables it by default. _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise' if [ $pfx = hostcc ]; then append _cflags -Dsnprintf=_snprintf fi elif $_cc --version 2>/dev/null | grep -q ^cparser; then _type=cparser _ident=$($_cc --version | head -n1) _depflags='-MMD' _cflags_speed='-O4' _cflags_size='-O2' _flags_filter=cparser_flags fi eval ${pfx}_type=\$_type eval ${pfx}_ident=\$_ident } set_ccvars(){ eval ${1}_C=\${_cc_c-\${${1}_C}} eval ${1}_E=\${_cc_e-\${${1}_E}} eval ${1}_O=\${_cc_o-\${${1}_O}} if [ -n "$_depflags" ]; then eval ${1}_DEPFLAGS=\$_depflags else eval ${1}DEP=\${_DEPCMD:-\$DEPCMD} eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS} eval DEP${1}FLAGS=\$_flags fi } probe_cc cc "$cc" cflags_filter=$_flags_filter cflags_speed=$_cflags_speed cflags_size=$_cflags_size cflags_noopt=$_cflags_noopt add_cflags $_flags $_cflags cc_ldflags=$_ldflags set_ccvars CC probe_cc hostcc "$host_cc" host_cflags_filter=$_flags_filter add_host_cflags $_flags $_cflags set_ccvars HOSTCC test -n "$cc_type" && enable $cc_type || warn "Unknown C compiler $cc, unable to select optimal CFLAGS" : ${as_default:=$cc} : ${dep_cc_default:=$cc} : ${ld_default:=$cc} : ${host_ld_default:=$host_cc} set_default ar as dep_cc ld host_ld windres probe_cc as "$as" asflags_filter=$_flags_filter add_asflags $_flags $_cflags set_ccvars AS probe_cc ld "$ld" ldflags_filter=$_flags_filter add_ldflags $_flags $_ldflags test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags LD_O=${_ld_o-$LD_O} LD_LIB=${_ld_lib-$LD_LIB} LD_PATH=${_ld_path-$LD_PATH} probe_cc hostld "$host_ld" host_ldflags_filter=$_flags_filter add_host_ldflags $_flags $_ldflags HOSTLD_O=${_ld_o-$HOSTLD_O} if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then probe_cc depcc "$dep_cc" CCDEP=${_DEPCMD:-$DEPCMD} CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS} DEPCCFLAGS=$_flags fi if $ar 2>&1 | grep -q Microsoft; then arflags="-nologo" ar_o='-out:$@' elif $ar 2>&1 | grep -q 'Texas Instruments'; then arflags="rq" ar_o='$@' elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then arflags='-Xany -r -c' ar_o='$@' else arflags="rc" ar_o='$@' fi add_cflags $extra_cflags add_cxxflags $extra_cxxflags add_asflags $extra_cflags if test -n "$sysroot"; then case "$cc_type" in gcc|llvm_gcc|clang) add_cppflags --sysroot="$sysroot" add_ldflags --sysroot="$sysroot" # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking add_cppflags -isysroot "$sysroot" add_ldflags -isysroot "$sysroot" ;; tms470) add_cppflags -I"$sysinclude" add_ldflags --sysroot="$sysroot" ;; esac fi if test "$cpu" = host; then enabled cross_compile && die "--cpu=host makes no sense when cross-compiling." case "$cc_type" in gcc|llvm_gcc) check_native(){ $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return sed -n "/cc1.*$1=/{ s/.*$1=\\([^ ]*\\).*/\\1/ p q }" $TMPE } cpu=$(check_native -march || check_native -mcpu) ;; esac test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc" fi # Deal with common $arch aliases case "$arch" in aarch64|arm64) arch="aarch64" ;; arm*|iPad*|iPhone*) arch="arm" ;; mips*|IP*) arch="mips" ;; parisc*|hppa*) arch="parisc" ;; "Power Macintosh"|ppc*|powerpc*) arch="ppc" ;; s390|s390x) arch="s390" ;; sh4|sh) arch="sh4" ;; sun4u|sparc*) arch="sparc" ;; tilegx|tile-gx) arch="tilegx" ;; i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64) arch="x86" ;; esac is_in $arch $ARCH_LIST || warn "unknown architecture $arch" enable $arch # Add processor-specific flags if enabled aarch64; then case $cpu in armv*) cpuflags="-march=$cpu" ;; *) cpuflags="-mcpu=$cpu" ;; esac elif enabled alpha; then cpuflags="-mcpu=$cpu" elif enabled arm; then check_arm_arch() { check_cpp_condition stddef.h \ "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \ $cpuflags } probe_arm_arch() { if check_arm_arch 4; then echo armv4; elif check_arm_arch 4T; then echo armv4t; elif check_arm_arch 5; then echo armv5; elif check_arm_arch 5E; then echo armv5e; elif check_arm_arch 5T; then echo armv5t; elif check_arm_arch 5TE; then echo armv5te; elif check_arm_arch 5TEJ; then echo armv5te; elif check_arm_arch 6; then echo armv6; elif check_arm_arch 6J; then echo armv6j; elif check_arm_arch 6K; then echo armv6k; elif check_arm_arch 6Z; then echo armv6z; elif check_arm_arch 6ZK; then echo armv6zk; elif check_arm_arch 6T2; then echo armv6t2; elif check_arm_arch 7; then echo armv7; elif check_arm_arch 7A 7_A; then echo armv7-a; elif check_arm_arch 7R 7_R; then echo armv7-r; elif check_arm_arch 7M 7_M; then echo armv7-m; elif check_arm_arch 7EM 7E_M; then echo armv7-m; elif check_arm_arch 8A 8_A; then echo armv8-a; fi } [ "$cpu" = generic ] && cpu=$(probe_arm_arch) case $cpu in armv*) cpuflags="-march=$cpu" subarch=$(echo $cpu | sed 's/[^a-z0-9]//g') ;; *) cpuflags="-mcpu=$cpu" case $cpu in cortex-a*) subarch=armv7a ;; cortex-r*) subarch=armv7r ;; cortex-m*) enable thumb; subarch=armv7m ;; arm11*) subarch=armv6 ;; arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;; armv4*|arm7*|arm9[24]*) subarch=armv4 ;; *) subarch=$(probe_arm_arch) ;; esac ;; esac case "$subarch" in armv5t*) enable fast_clz ;; armv[6-8]*) enable fast_clz disabled fast_unaligned || enable fast_unaligned ;; esac elif enabled avr32; then case $cpu in ap7[02]0[0-2]) subarch="avr32_ap" cpuflags="-mpart=$cpu" ;; ap) subarch="avr32_ap" cpuflags="-march=$cpu" ;; uc3[ab]*) subarch="avr32_uc" cpuflags="-mcpu=$cpu" ;; uc) subarch="avr32_uc" cpuflags="-march=$cpu" ;; esac elif enabled bfin; then cpuflags="-mcpu=$cpu" elif enabled mips; then cpuflags="-march=$cpu" case $cpu in 24kc) disable mipsfpu disable mipsdspr1 disable mipsdspr2 ;; 24kf*) disable mipsdspr1 disable mipsdspr2 ;; 24kec|34kc|1004kc) disable mipsfpu disable mipsdspr2 ;; 24kef*|34kf*|1004kf*) disable mipsdspr2 ;; 74kc) disable mipsfpu ;; esac elif enabled ppc; then disable ldbrx case $(tolower $cpu) in 601|ppc601|powerpc601) cpuflags="-mcpu=601" disable altivec ;; 603*|ppc603*|powerpc603*) cpuflags="-mcpu=603" disable altivec ;; 604*|ppc604*|powerpc604*) cpuflags="-mcpu=604" disable altivec ;; g3|75*|ppc75*|powerpc75*) cpuflags="-mcpu=750" disable altivec ;; g4|745*|ppc745*|powerpc745*) cpuflags="-mcpu=7450" ;; 74*|ppc74*|powerpc74*) cpuflags="-mcpu=7400" ;; g5|970|ppc970|powerpc970) cpuflags="-mcpu=970" ;; power[3-7]*) cpuflags="-mcpu=$cpu" ;; cell) cpuflags="-mcpu=cell" enable ldbrx ;; e500mc) cpuflags="-mcpu=e500mc" disable altivec ;; e500v2) cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double" disable altivec disable dcbzl ;; e500) cpuflags="-mcpu=8540 -mhard-float" disable altivec disable dcbzl ;; esac elif enabled sparc; then case $cpu in cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789]) cpuflags="-mcpu=$cpu" ;; ultrasparc*|niagara[234]) cpuflags="-mcpu=$cpu" ;; esac elif enabled x86; then case $cpu in i[345]86|pentium) cpuflags="-march=$cpu" disable mmx ;; # targets that do NOT support nopl and conditional mov (cmov) pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3) cpuflags="-march=$cpu" disable i686 ;; # targets that do support nopl and conditional mov (cmov) i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\ |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*) cpuflags="-march=$cpu" enable i686 enable fast_cmov ;; # targets that do support conditional mov but on which it's slow pentium4|pentium4m|prescott|nocona) cpuflags="-march=$cpu" enable i686 disable fast_cmov ;; esac fi if [ "$cpu" != generic ]; then add_cflags $cpuflags add_asflags $cpuflags fi # compiler sanity check check_exec <<EOF int main(void){ return 0; } EOF if test "$?" != 0; then echo "$cc is unable to create an executable file." if test -z "$cross_prefix" && ! enabled cross_compile ; then echo "If $cc is a cross-compiler, use the --enable-cross-compile option." echo "Only do this if you know what cross compiling means." fi die "C compiler test failed." fi add_cppflags -D_ISOC99_SOURCE add_cxxflags -D__STDC_CONSTANT_MACROS check_cflags -std=c99 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64 #include <stdlib.h> EOF check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE #include <stdlib.h> EOF add_host_cppflags -D_ISOC99_SOURCE check_host_cflags -std=c99 check_host_cflags -Wall check_host_cflags -O3 check_64bit(){ arch32=$1 arch64=$2 expr=$3 check_code cc "" "int test[2*($expr) - 1]" && subarch=$arch64 || subarch=$arch32 } case "$arch" in aarch64|alpha|ia64) spic=$shared ;; mips) check_64bit mips mips64 '_MIPS_SIM > 1' spic=$shared ;; parisc) check_64bit parisc parisc64 'sizeof(void *) > 4' spic=$shared ;; ppc) check_64bit ppc ppc64 'sizeof(void *) > 4' spic=$shared ;; s390) check_64bit s390 s390x 'sizeof(void *) > 4' spic=$shared ;; sparc) check_64bit sparc sparc64 'sizeof(void *) > 4' spic=$shared ;; x86) check_64bit x86_32 x86_64 'sizeof(void *) > 4' if test "$subarch" = "x86_64"; then spic=$shared fi ;; ppc) check_cc <<EOF && subarch="ppc64" int test[(int)sizeof(char*) - 7]; EOF ;; esac enable $subarch enabled spic && enable_weak pic # OS specific case $target_os in aix) SHFLAGS=-shared add_cppflags '-I\$(SRC_PATH)/compat/aix' enabled shared && add_ldflags -Wl,-brtl ;; haiku) prefix_default="/boot/common" network_extralibs="-lnetwork" host_libs= ;; sunos) SHFLAGS='-shared -Wl,-h,$$(@F)' enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS" network_extralibs="-lsocket -lnsl" # When using suncc to build, the Solaris linker will mark # an executable with each instruction set encountered by # the Solaris assembler. As our libraries contain their own # guards for processor-specific code, instead suppress # generation of the HWCAPS ELF section on Solaris x86 only. enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile nm_default='nm -P -g' ;; netbsd) disable symver oss_indev_extralibs="-lossaudio" oss_outdev_extralibs="-lossaudio" enabled gcc || check_ldflags -Wl,-zmuldefs ;; openbsd|bitrig) disable symver SHFLAGS='-shared' SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)' SLIB_INSTALL_LINKS= oss_indev_extralibs="-lossaudio" oss_outdev_extralibs="-lossaudio" ;; dragonfly) disable symver ;; freebsd) ;; bsd/os) add_extralibs -lpoll -lgnugetopt strip="strip -d" ;; darwin) test "${as#*gas-preprocessor.pl}" != "$as" || gas="${gas:=gas-preprocessor.pl} ${as:=$cc}" enabled ppc && add_asflags -force_cpusubtype_ALL SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)' enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress strip="${strip} -x" add_ldflags -Wl,-dynamic,-search_paths_first SLIBSUF=".dylib" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)' objformat="macho" enabled x86_64 && objformat="macho64" enabled_any pic shared || { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; } ;; mingw32*) if test $target_os = "mingw32ce"; then disable network else target_os=mingw32 fi LIBTARGET=i386 if enabled x86_64; then LIBTARGET="i386:x86-64" elif enabled arm; then LIBTARGET=arm-wince fi enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres check_ldflags -Wl,--nxcompat check_ldflags -Wl,--dynamicbase shlibdir_default="$bindir_default" SLIBPREF="" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' dlltool="${cross_prefix}dlltool" if check_cmd lib.exe -list; then SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)' if enabled x86_64; then LIBTARGET=x64 fi elif check_cmd $dlltool --version; then SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)' fi SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' SLIB_INSTALL_LINKS= SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)' SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)' SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base' objformat="win32" ranlib=: enable dos_paths ;; win32|win64) disable symver if enabled shared; then # Link to the import library instead of the normal static library # for shared libs. LD_LIB='%.lib' # Cannot build both shared and static libs with MSVC or icl. disable static fi shlibdir_default="$bindir_default" SLIBPREF="" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' SLIB_INSTALL_LINKS= SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)' SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)' SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)' objformat="win32" ranlib=: enable dos_paths ;; cygwin*) target_os=cygwin shlibdir_default="$bindir_default" SLIBPREF="cyg" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)' SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)' SLIB_INSTALL_LINKS= SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a' SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a' objformat="win32" enable dos_paths enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres ;; *-dos|freedos|opendos) network_extralibs="-lsocket" objformat="coff" enable dos_paths add_cppflags -U__STRICT_ANSI__ ;; linux) enable dv1394 ;; irix*) target_os=irix ranlib="echo ignoring ranlib" ;; os/2*) strip="lxlite -CS" ln_s="cp -f" objformat="aout" add_cppflags -D_GNU_SOURCE add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf' LIBSUF="_s.a" SLIBPREF="" SLIBSUF=".dll" SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)' SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)' SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \ echo PROTMODE >> $(SUBDIR)$(NAME).def; \ echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \ echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \ echo EXPORTS >> $(SUBDIR)$(NAME).def; \ emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def' SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \ emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;' SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib' enable dos_paths enable_weak os2threads ;; gnu/kfreebsd) add_cppflags -D_BSD_SOURCE ;; gnu) ;; qnx) add_cppflags -D_QNX_SOURCE network_extralibs="-lsocket" ;; symbian) SLIBSUF=".dll" enable dos_paths add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS add_ldflags -Wl,--target1-abs,--no-undefined \ -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \ -Wl,--entry=_E32Startup -Wl,-u,_E32Startup add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \ -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \ -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib ;; osf1) add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT ;; minix) ;; plan9) add_cppflags -D_C99_SNPRINTF_EXTENSION \ -D_REENTRANT_SOURCE \ -D_RESEARCH_SOURCE \ -DFD_SETSIZE=96 \ -DHAVE_SOCK_OPTS add_compat strtod.o strtod=avpriv_strtod network_extralibs='-lbsd' exeobjs=compat/plan9/main.o disable ffserver cp_f='cp' ;; none) ;; *) die "Unknown OS '$target_os'." ;; esac # determine libc flavour probe_libc(){ pfx=$1 pfx_no_=${pfx%_} # uclibc defines __GLIBC__, so it needs to be checked before glibc. if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then eval ${pfx}libc_type=uclibc add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then eval ${pfx}libc_type=glibc add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 # MinGW headers can be installed on Cygwin, so check for newlib first. elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then eval ${pfx}libc_type=newlib add_${pfx}cppflags -U__STRICT_ANSI__ # MinGW64 is backwards compatible with MinGW32, so check for it first. elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then eval ${pfx}libc_type=mingw64 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then add_compat msvcrt/snprintf.o add_cflags "-include $source_path/compat/msvcrt/snprintf.h" fi add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 eval test \$${pfx_no_}cc_type = "gcc" && add_${pfx}cppflags -D__printf__=__gnu_printf__ elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" || check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then eval ${pfx}libc_type=mingw32 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \ (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" || die "ERROR: MinGW32 runtime version must be >= 3.15." add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 eval test \$${pfx_no_}cc_type = "gcc" && add_${pfx}cppflags -D__printf__=__gnu_printf__ elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then eval ${pfx}libc_type=msvcrt # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to # 0x601 by default unless something else is set by the user. # This can easily lead to us detecting functions only present # in such new versions and producing binaries requiring windows 7.0. # Therefore explicitly set the default to XP unless the user has # set something else on the command line. check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" || add_${pfx}cppflags -D_WIN32_WINNT=0x0502 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then eval ${pfx}libc_type=klibc elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then eval ${pfx}libc_type=bionic elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then eval ${pfx}libc_type=solaris add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600 fi } probe_libc test -n "$libc_type" && enable libc_$libc_type probe_libc host_ test -n "$host_libc_type" && enable host_libc_$host_libc_type case $libc_type in bionic) add_compat strtod.o strtod=avpriv_strtod ;; msvcrt) add_compat strtod.o strtod=avpriv_strtod add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \ _snprintf=avpriv_snprintf \ vsnprintf=avpriv_vsnprintf ;; esac # hacks for compiler/libc/os combinations if enabled_all tms470 libc_glibc; then CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}" add_cppflags -D__USER_LABEL_PREFIX__= add_cppflags -D__builtin_memset=memset add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED add_cflags -pds=48 # incompatible redefinition of macro fi if enabled_all ccc libc_glibc; then add_ldflags -Wl,-z,now # calls to libots crash without this fi check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" || add_cppflags '-I\$(SRC_PATH)/compat/float' esc(){ echo "$*" | sed 's/%/%25/g;s/:/%3a/g' } echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic set_default $PATHS_LIST set_default nm # we need to build at least one lib type if ! enabled_any static shared; then cat <<EOF At least one library type must be built. Specify --enable-static to build the static libraries or --enable-shared to build the shared libraries as well. To only build the shared libraries specify --disable-static in addition to --enable-shared. EOF exit 1; fi die_license_disabled() { enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; } } die_license_disabled_gpl() { enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; } } die_license_disabled gpl frei0r die_license_disabled gpl libcdio die_license_disabled gpl libutvideo die_license_disabled gpl libvidstab die_license_disabled gpl libx264 die_license_disabled gpl libx265 die_license_disabled gpl libxavs die_license_disabled gpl libxvid die_license_disabled gpl libzvbi die_license_disabled gpl x11grab die_license_disabled nonfree libaacplus die_license_disabled nonfree libfaac enabled gpl && die_license_disabled_gpl nonfree libfdk_aac enabled gpl && die_license_disabled_gpl nonfree openssl die_license_disabled version3 libopencore_amrnb die_license_disabled version3 libopencore_amrwb die_license_disabled version3 libvo_aacenc die_license_disabled version3 libvo_amrwbenc enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; } disabled optimizations || check_cflags -fomit-frame-pointer enable_weak_pic() { disabled pic && return enable pic add_cppflags -DPIC case "$target_os" in mingw*|cygwin*) ;; *) add_cflags -fPIC ;; esac add_asflags -fPIC } enabled pic && enable_weak_pic check_cc <<EOF || die "Symbol mangling check failed." int ff_extern; EOF sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }') extern_prefix=${sym%%ff_extern*} check_cc <<EOF && enable_weak inline_asm void foo(void) { __asm__ volatile ("" ::); } EOF _restrict= for restrict_keyword in restrict __restrict__ __restrict; do check_cc <<EOF && _restrict=$restrict_keyword && break void foo(char * $restrict_keyword p); EOF done check_cc <<EOF && enable pragma_deprecated void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") } EOF check_cc <<EOF && enable attribute_packed struct { int x; } __attribute__((packed)) x; EOF check_cc <<EOF && enable attribute_may_alias union { int x; } __attribute__((may_alias)) x; EOF check_cc <<EOF || die "endian test failed" unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E'; EOF od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian check_inline_asm inline_asm_labels '"1:\n"' check_inline_asm inline_asm_nonlocal_labels '"Label:\n"' if enabled aarch64; then enabled armv8 && check_insn armv8 'prfm pldl1strm, [x0]' # internal assembler in clang 3.3 does not support this instruction enabled neon && check_insn neon 'ext v0.8B, v0.8B, v1.8B, #1' enabled vfp && check_insn vfp 'fmadd d0, d0, d1, d2' map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM elif enabled alpha; then check_cflags -mieee elif enabled arm; then check_cpp_condition stddef.h "defined __thumb__" && check_cc <<EOF && enable_weak thumb float func(float a, float b){ return a+b; } EOF enabled thumb && check_cflags -mthumb || check_cflags -marm nogas=die if check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then enable vfp_args elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then case "${cross_prefix:-$cc}" in *hardfloat*) enable vfp_args; fpabi=vfp ;; *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;; __asm__ (".eabi_attribute 28, 1"); int main(void) { return 0; } EOF esac warn "Compiler does not indicate floating-point ABI, guessing $fpabi." fi enabled armv5te && check_insn armv5te 'qadd r0, r0, r0' enabled armv6 && check_insn armv6 'sadd16 r0, r0, r0' enabled armv6t2 && check_insn armv6t2 'movt r0, #0' enabled neon && check_insn neon 'vadd.i16 q0, q0, q0' enabled vfp && check_insn vfp 'fadds s0, s0, s0' enabled vfpv3 && check_insn vfpv3 'vmov.f32 s0, #1.0' [ $target_os = linux ] || map 'enabled_any ${v}_external ${v}_inline || disable $v' \ $ARCH_EXT_LIST_ARM check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)' [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic elif enabled mips; then check_inline_asm loongson '"dmult.g $1, $2, $3"' enabled mips32r2 && add_cflags "-mips32r2" && add_asflags "-mips32r2" && check_inline_asm mips32r2 '"rotr $t0, $t1, 1"' enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" && check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"' enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" && check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"' enabled mipsfpu && add_cflags "-mhard-float" && add_asflags "-mhard-float" && check_inline_asm mipsfpu '"madd.d $f0, $f2, $f4, $f6"' elif enabled parisc; then if enabled gcc; then case $($cc -dumpversion) in 4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;; esac fi elif enabled ppc; then enable local_aligned_8 local_aligned_16 local_aligned_32 check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)' check_inline_asm ibm_asm '"add 0, 0, 0"' check_inline_asm ppc4xx '"maclhw r10, r11, r12"' check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)' # AltiVec flags: The FSF version of GCC differs from the Apple version if enabled altivec; then if ! enabled_any pic ppc64; then nogas=warn fi check_cflags -maltivec -mabi=altivec && { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } || check_cflags -faltivec # check if our compiler supports Motorola AltiVec C API check_cc <<EOF || disable altivec $inc_altivec_h int main(void) { vector signed int v1 = (vector signed int) { 0 }; vector signed int v2 = (vector signed int) { 1 }; v1 = vec_add(v1, v2); return 0; } EOF enabled altivec || warn "Altivec disabled, possibly missing --cpu flag" fi elif enabled x86; then check_builtin rdtsc intrin.h "__rdtsc()" check_builtin mm_empty mmintrin.h "_mm_empty()" enable local_aligned_8 local_aligned_16 local_aligned_32 # check whether EBP is available on x86 # As 'i' is stored on the stack, this program will crash # if the base pointer is used to access it because the # base pointer is cleared in the inline assembly code. check_exec_crash <<EOF && enable ebp_available volatile int i=0; __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp"); return i; EOF # check whether EBX is available on x86 check_inline_asm ebx_available '""::"b"(0)' && check_inline_asm ebx_available '"":::"%ebx"' # check whether xmm clobbers are supported check_inline_asm xmm_clobbers '"":::"%xmm0"' check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' || check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"' # check whether binutils is new enough to compile AVX/SSSE3/MMXEXT enabled avx && check_inline_asm avx_inline '"vextractf128 $1, %ymm0, %xmm1"' enabled ssse3 && check_inline_asm ssse3_inline '"pabsw %xmm0, %xmm0"' enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"' if ! disabled_any asm mmx yasm; then if check_cmd $yasmexe --version; then enabled x86_64 && yasm_extra="-m amd64" yasm_debug="-g dwarf2" elif check_cmd nasm -v; then yasmexe=nasm yasm_debug="-g -F dwarf" enabled x86_64 && test "$objformat" = elf && objformat=elf64 fi YASMFLAGS="-f $objformat $yasm_extra" enabled pic && append YASMFLAGS "-DPIC" test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX" case "$objformat" in elf*) enabled debug && append YASMFLAGS $yasm_debug ;; esac check_yasm "movbe ecx, [5]" && enable yasm || die "yasm/nasm not found or too old. Use --disable-yasm for a crippled build." check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx_external avresample check_yasm "vextracti128 xmm0, ymm0, 0" || disable avx2_external check_yasm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable xop_external check_yasm "vfmadd132ps ymm0, ymm1, ymm2" || disable fma3_external check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external check_yasm "CPU amdnop" || disable cpunop fi case "$cpu" in athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode) disable fast_clz ;; esac fi if enabled asm; then as=${gas:=$as} check_as <<EOF && enable gnu_as || \ $nogas "GNU assembler not found, install gas-preprocessor" .macro m n \n: .int 0 .endm m x EOF fi check_ldflags -Wl,--as-needed if check_func dlopen; then ldl= elif check_func dlopen -ldl; then ldl=-ldl fi if ! disabled network; then check_func getaddrinfo $network_extralibs check_func getservbyport $network_extralibs check_func inet_aton $network_extralibs check_type netdb.h "struct addrinfo" check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE check_type poll.h "struct pollfd" check_type netinet/sctp.h "struct sctp_event_subscribe" check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len check_type netinet/in.h "struct sockaddr_in6" check_type "sys/types.h sys/socket.h" "struct sockaddr_storage" check_type "sys/types.h sys/socket.h" socklen_t # Prefer arpa/inet.h over winsock2 if check_header arpa/inet.h ; then check_func closesocket elif check_header winsock2.h ; then check_func_headers winsock2.h closesocket -lws2 && network_extralibs="-lws2" || { check_func_headers winsock2.h closesocket -lws2_32 && network_extralibs="-lws2_32"; } || disable winsock2_h network check_func_headers ws2tcpip.h getaddrinfo $network_extralibs check_type ws2tcpip.h socklen_t check_type ws2tcpip.h "struct addrinfo" check_type ws2tcpip.h "struct group_source_req" check_type ws2tcpip.h "struct ip_mreq_source" check_type ws2tcpip.h "struct ipv6_mreq" check_type winsock2.h "struct pollfd" check_struct winsock2.h "struct sockaddr" sa_len check_type ws2tcpip.h "struct sockaddr_in6" check_type ws2tcpip.h "struct sockaddr_storage" else disable network fi fi check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)" check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()" check_builtin MemoryBarrier windows.h "MemoryBarrier()" check_builtin sarestart signal.h "SA_RESTART" check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)" check_func_headers malloc.h _aligned_malloc && enable aligned_malloc check_func ${malloc_prefix}memalign && enable memalign check_func ${malloc_prefix}posix_memalign && enable posix_memalign check_func access check_func clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; } check_func fcntl check_func fork check_func gethrtime check_func getopt check_func getrusage check_func gettimeofday check_func isatty check_func localtime_r check_func mach_absolute_time check_func mkstemp check_func mmap check_func mprotect # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; } check_func sched_getaffinity check_func setrlimit check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE check_func strerror_r check_func sysconf check_func sysctl check_func usleep check_func_headers conio.h kbhit check_func_headers io.h setmode check_func_headers lzo/lzo1x.h lzo1x_999_compress check_func_headers stdlib.h getenv check_func_headers windows.h CoTaskMemFree -lole32 check_func_headers windows.h GetProcessAffinityMask check_func_headers windows.h GetProcessTimes check_func_headers windows.h GetSystemTimeAsFileTime check_func_headers windows.h MapViewOfFile check_func_headers windows.h PeekNamedPipe check_func_headers windows.h SetConsoleTextAttribute check_func_headers windows.h Sleep check_func_headers windows.h VirtualAlloc check_func_headers glob.h glob enabled xlib && check_func_headers "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext check_header cl/cl.h check_header direct.h check_header dlfcn.h check_header dxva.h check_header dxva2api.h -D_WIN32_WINNT=0x0600 check_header io.h check_header libcrystalhd/libcrystalhd_if.h check_header mach/mach_time.h check_header malloc.h check_header poll.h check_header sys/mman.h check_header sys/param.h check_header sys/resource.h check_header sys/select.h check_header sys/time.h check_header sys/un.h check_header termios.h check_header unistd.h check_header vdpau/vdpau.h check_header vdpau/vdpau_x11.h check_header VideoDecodeAcceleration/VDADecoder.h check_header windows.h check_header X11/extensions/XvMClib.h check_header asm/types.h check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32 check_lib2 "windows.h wincrypt.h" CryptGenRandom -ladvapi32 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss if ! disabled w32threads && ! enabled pthreads; then check_func_headers "windows.h process.h" _beginthreadex && enable w32threads || disable w32threads fi # check for some common methods of building with pthread support # do this before the optional library checks as some of them require pthreads if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then enable pthreads if check_func pthread_join -pthread && check_func pthread_create -pthread; then add_cflags -pthread add_extralibs -pthread elif check_func pthread_join -pthreads && check_func pthread_create -pthreads; then add_cflags -pthreads add_extralibs -pthreads elif check_func pthread_join -ldl -pthread && check_func pthread_create -ldl -pthread; then add_cflags -ldl -pthread add_extralibs -ldl -pthread elif check_func pthread_join -lpthreadGC2 && check_func pthread_create -lpthreadGC2; then add_extralibs -lpthreadGC2 elif check_lib pthread.h pthread_join -lpthread && check_lib pthread.h pthread_create -lpthread; then : elif ! check_func pthread_join && ! check_func pthread_create; then disable pthreads fi check_code cc "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER" || disable pthreads fi if enabled pthreads; then check_func pthread_cancel fi disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib check_lib math.h sin -lm && LIBM="-lm" disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd atan2f_args=2 ldexpf_args=2 powf_args=2 for func in $MATH_FUNCS; do eval check_mathfunc $func \${${func}_args:-1} done # these are off by default, so fail if requested and not available enabled avfoundation_indev && { check_header_oc AVFoundation/AVFoundation.h || disable avfoundation_indev; } enabled avisynth && { { check_lib2 "windows.h" LoadLibrary; } || { check_lib2 "dlfcn.h" dlopen -ldl; } || die "ERROR: LoadLibrary/dlopen not found for avisynth"; } enabled decklink && { check_header DeckLinkAPI.h || die "ERROR: DeckLinkAPI.h header not found"; } enabled frei0r && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; } enabled gnutls && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init enabled ladspa && { check_header ladspa.h || die "ERROR: ladspa.h header not found"; } enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883 enabled libaacplus && require "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus enabled libass && require_pkg_config libass ass/ass.h ass_library_init enabled libbluray && require_pkg_config libbluray libbluray/bluray.h bd_open enabled libbs2b && require_pkg_config libbs2b bs2b.h bs2b_open enabled libcelt && require libcelt celt/celt.h celt_decode -lcelt0 && { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 || die "ERROR: libcelt must be installed and version must be >= 0.11.0."; } enabled libcaca && require_pkg_config caca caca.h caca_create_canvas enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac enabled libfdk_aac && require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite" enabled libflite && require2 libflite "flite/flite.h" flite_init $flite_libs enabled fontconfig && enable libfontconfig enabled libfontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit enabled libfreetype && require_libfreetype enabled libgme && require libgme gme/gme.h gme_new_emu -lgme -lstdc++ enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do check_lib "${gsm_hdr}" gsm_create -lgsm && break; done || die "ERROR: libgsm not found"; } enabled libilbc && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc enabled libmodplug && require libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame enabled libnut && require libnut libnut.h nut_demuxer_init -lnut enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb enabled libopencv && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader enabled libopenjpeg && { check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC || check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC || die "ERROR: libopenjpeg not found"; } enabled libopus && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new enabled libquvi && require_pkg_config libquvi quvi/quvi.h quvi_init enabled librtmp && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init enabled libshine && require_pkg_config shine shine/layer3.h shine_encode_buffer enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr enabled libssh && require_pkg_config libssh libssh/sftp.h sftp_init enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame && { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame || die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; } enabled libutvideo && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++ enabled libv4l2 && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl enabled libvidstab && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg enabled libvpx && { enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx || die "ERROR: libvpx decoder version must be >=0.9.1"; } enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx || die "ERROR: libvpx encoder version must be >=0.9.7"; } enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder; } enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VP9E_SET_SVC" -lvpx || disable libvpx_vp9_encoder; } } enabled libwavpack && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput -lwavpack enabled libwebp && require_pkg_config libwebp webp/encode.h WebPGetEncoderVersion enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 && { check_cpp_condition x264.h "X264_BUILD >= 118" || die "ERROR: libx264 must be installed and version must be >= 0.118."; } enabled libx265 && require_pkg_config x265 x265.h x265_encoder_encode && { check_cpp_condition x265.h "X265_BUILD >= 13" || die "ERROR: libx265 version must be >= 13."; } enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore enabled libzmq && require_pkg_config libzmq zmq.h zmq_ctx_new enabled libzvbi && require libzvbi libzvbi.h vbi_decoder_new -lzvbi enabled openal && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } || die "ERROR: openal not found"; } && { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" || die "ERROR: openal must be installed and version must be 1.1 or compatible"; } enabled opencl && { check_lib2 OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL || check_lib2 CL/cl.h clEnqueueNDRangeKernel -lOpenCL || die "ERROR: opencl not found"; } && { check_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" || check_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" || die "ERROR: opencl must be installed and version must be 1.2 or compatible"; } enabled opengl && { check_lib GL/glx.h glXGetProcAddress "-lGL" || check_lib2 windows.h wglGetProcAddress "-lopengl32 -lgdi32" || check_lib2 OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" || check_lib2 ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" || die "ERROR: opengl not found." } enabled openssl && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto || check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 || check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 || die "ERROR: openssl not found"; } enabled qtkit_indev && { check_header_oc QTKit/QTKit.h || disable qtkit_indev; } if enabled gnutls; then { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } || { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; } fi # libdc1394 check if enabled libdc1394; then { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 && enable libdc1394_2; } || { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 && enable libdc1394_1; } || die "ERROR: No version of libdc1394 found " fi SDL_CONFIG="${cross_prefix}sdl-config" if check_pkg_config sdl SDL_events.h SDL_PollEvent; then check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags && check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags && enable sdl else if "${SDL_CONFIG}" --version > /dev/null 2>&1; then sdl_cflags=$("${SDL_CONFIG}" --cflags) sdl_libs=$("${SDL_CONFIG}" --libs) check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs && check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags && check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x010300" $sdl_cflags && enable sdl fi fi enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html makeinfo --version > /dev/null 2>&1 && enable makeinfo || disable makeinfo perl -v > /dev/null 2>&1 && enable perl || disable perl pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout check_header linux/fb.h check_header linux/videodev.h check_header linux/videodev2.h check_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_safe struct_v4l2_frmivalenum_discrete check_header sys/videoio.h check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs" # check that WM_CAP_DRIVER_CONNECT is defined to the proper value # w32api 3.12 had it defined wrong check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines check_type "dshow.h" IBaseFilter # check for ioctl_meteor.h, ioctl_bt848.h and alternatives { check_header dev/bktr/ioctl_meteor.h && check_header dev/bktr/ioctl_bt848.h; } || { check_header machine/ioctl_meteor.h && check_header machine/ioctl_bt848.h; } || { check_header dev/video/meteor/ioctl_meteor.h && check_header dev/video/bktr/ioctl_bt848.h; } || check_header dev/ic/bt8xx.h check_header sndio.h if check_struct sys/soundcard.h audio_buf_info bytes; then enable_safe sys/soundcard.h else check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h #include <sys/soundcard.h> audio_buf_info abc; EOF fi check_header soundcard.h enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait && check_func jack_port_get_latency_range -ljack enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio if enabled libcdio; then check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || check_lib2 "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio || die "ERROR: libcdio-paranoia not found" fi enabled xlib && check_lib X11/Xlib.h XOpenDisplay -lX11 || disable xlib enabled x11grab && require Xext X11/extensions/XShm.h XShmCreateImage -lXext && require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes && { enabled xlib || die "ERROR: Xlib not found"; } check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs" enabled dxva2api_h && check_cc <<EOF && enable dxva2api_cobj #define _WIN32_WINNT 0x0600 #define COBJMACROS #include <windows.h> #include <d3d9.h> #include <dxva2api.h> int main(void) { IDirectXVideoDecoder *o = NULL; IDirectXVideoDecoder_Release(o); return 0; } EOF enabled vaapi && check_lib va/va.h vaInitialize -lva || disable vaapi enabled vdpau && check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" || disable vdpau enabled vdpau && enabled xlib && check_func_headers "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau && prepend ffmpeg_libs $($ldflags_filter "-lvdpau") && enable vdpau_x11 # Funny iconv installations are not unusual, so check it after all flags have been set disabled iconv || check_func_headers iconv.h iconv || check_lib2 iconv.h iconv -liconv || disable iconv enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel" # add some useful compiler flags if supported check_cflags -Wdeclaration-after-statement check_cflags -Wall check_cflags -Wdisabled-optimization check_cflags -Wpointer-arith check_cflags -Wredundant-decls check_cflags -Wwrite-strings check_cflags -Wtype-limits check_cflags -Wundef check_cflags -Wmissing-prototypes check_cflags -Wno-pointer-to-int-cast check_cflags -Wstrict-prototypes check_cflags -Wempty-body enabled extra_warnings && check_cflags -Winline check_disable_warning(){ warning_flag=-W${1#-Wno-} test_cflags $warning_flag && add_cflags $1 } check_disable_warning -Wno-parentheses check_disable_warning -Wno-switch check_disable_warning -Wno-format-zero-length check_disable_warning -Wno-pointer-sign # add some linker flags check_ldflags -Wl,--warn-common check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample enabled rpath && add_ldflags -Wl,-rpath,$libdir test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic # add some strip flags # -wN '..@*' is more selective than -x, but not available everywhere. check_stripflags -wN \'..@*\' || check_stripflags -x enabled neon_clobber_test && check_ldflags -Wl,--wrap,avcodec_open2 \ -Wl,--wrap,avcodec_decode_audio4 \ -Wl,--wrap,avcodec_decode_video2 \ -Wl,--wrap,avcodec_decode_subtitle2 \ -Wl,--wrap,avcodec_encode_audio2 \ -Wl,--wrap,avcodec_encode_video2 \ -Wl,--wrap,avcodec_encode_subtitle \ -Wl,--wrap,swr_convert \ -Wl,--wrap,avresample_convert || disable neon_clobber_test enabled xmm_clobber_test && check_ldflags -Wl,--wrap,avcodec_open2 \ -Wl,--wrap,avcodec_decode_audio4 \ -Wl,--wrap,avcodec_decode_video2 \ -Wl,--wrap,avcodec_decode_subtitle2 \ -Wl,--wrap,avcodec_encode_audio2 \ -Wl,--wrap,avcodec_encode_video \ -Wl,--wrap,avcodec_encode_video2 \ -Wl,--wrap,avcodec_encode_subtitle \ -Wl,--wrap,swr_convert \ -Wl,--wrap,avresample_convert \ -Wl,--wrap,sws_scale || disable xmm_clobber_test echo "X{};" > $TMPV if test_ldflags -Wl,--version-script,$TMPV; then append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver' check_cc <<EOF && enable symver_asm_label void ff_foo(void) __asm__ ("av_foo@VERSION"); void ff_foo(void) { ${inline_asm+__asm__($quotes);} } EOF check_cc <<EOF && enable symver_gnu_asm __asm__(".symver ff_foo,av_foo@VERSION"); void ff_foo(void) {} EOF fi if [ -z "$optflags" ]; then if enabled small; then optflags=$cflags_size elif enabled optimizations; then optflags=$cflags_speed else optflags=$cflags_noopt fi fi check_optflags(){ check_cflags "$@" enabled lto && check_ldflags "$@" } if enabled lto; then test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker" check_cflags -flto check_ldflags -flto $cpuflags disable inline_asm_direct_symbol_refs fi check_optflags $optflags check_optflags -fno-math-errno check_optflags -fno-signed-zeros enabled ftrapv && check_cflags -ftrapv check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone" int x; EOF if enabled icc; then # Just warnings, no remarks check_cflags -w1 # -wd: Disable following warnings # 144, 167, 556: -Wno-pointer-sign # 188: enumerated type mixed with another type # 1292: attribute "foo" ignored # 1419: external declaration in primary source file # 10006: ignoring unknown option -fno-signed-zeros # 10148: ignoring unknown option -Wno-parentheses # 10156: ignoring option '-W'; no argument required check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156 # 11030: Warning unknown option --as-needed # 10156: ignoring option '-export'; no argument required check_ldflags -wd10156,11030 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test enable ebp_available # The test above does not test linking enabled lto && disable symver_asm_label if enabled x86_32; then icc_version=$($cc -dumpversion) test ${icc_version%%.*} -ge 11 && check_cflags -falign-stack=maintain-16-byte || disable aligned_stack fi elif enabled ccc; then # disable some annoying warnings add_cflags -msg_disable bitnotint add_cflags -msg_disable mixfuncvoid add_cflags -msg_disable nonstandcast add_cflags -msg_disable unsupieee elif enabled gcc; then check_optflags -fno-tree-vectorize check_cflags -Werror=implicit-function-declaration check_cflags -Werror=missing-prototypes check_cflags -Werror=return-type check_cflags -Werror=vla enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized elif enabled llvm_gcc; then check_cflags -mllvm -stack-alignment=16 elif enabled clang; then check_cflags -mllvm -stack-alignment=16 check_cflags -Qunused-arguments check_cflags -Werror=implicit-function-declaration check_cflags -Werror=missing-prototypes check_cflags -Werror=return-type elif enabled cparser; then add_cflags -Wno-missing-variable-declarations add_cflags -Wno-empty-statement elif enabled armcc; then add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir # 2523: use of inline assembler is deprecated add_cflags -W${armcc_opt},--diag_suppress=2523 add_cflags -W${armcc_opt},--diag_suppress=1207 add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat add_cflags -W${armcc_opt},--diag_suppress=167 # pointer sign add_cflags -W${armcc_opt},--diag_suppress=513 # pointer sign elif enabled tms470; then add_cflags -pds=824 -pds=837 disable inline_asm elif enabled pathscale; then add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF elif enabled_any msvc icl; then enabled x86_32 && disable aligned_stack enabled_all x86_32 debug && add_cflags -Oy- enabled debug && add_ldflags -debug enable pragma_deprecated if enabled icl; then # -Qansi-alias is basically -fstrict-aliasing, but does not work # (correctly) on icl 13.x. check_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" && add_cflags -Qansi-alias # Some inline asm is not compilable in debug if enabled debug; then disable ebp_available disable ebx_available fi fi # msvcrt10 x64 incorrectly enables log2, only msvcrt12 onwards actually has log2. check_cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION >= 12" || disable log2 fi case $as_type in clang) add_asflags -Qunused-arguments ;; esac case $ld_type in clang) check_ldflags -Qunused-arguments ;; esac case $target_os in osf1) enabled ccc && add_ldflags '-Wl,-expect_unresolved,*' ;; plan9) add_cppflags -Dmain=plan9_main ;; esac enable frame_thread_encoder enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; } check_deps $CONFIG_LIST \ $CONFIG_EXTRA \ $HAVE_LIST \ $ALL_COMPONENTS \ enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86" if test $target_os = "haiku"; then disable memalign disable posix_memalign fi enabled_all dxva2 dxva2api_cobj CoTaskMemFree && prepend ffmpeg_libs $($ldflags_filter "-lole32") && enable dxva2_lib ! enabled_any memalign posix_memalign aligned_malloc && enabled_any $need_memalign && enable memalign_hack # add_dep lib dep # -> enable ${lib}_deps_${dep} # -> add $dep to ${lib}_deps only once add_dep() { lib=$1 dep=$2 enabled "${lib}_deps_${dep}" && return 0 enable "${lib}_deps_${dep}" prepend "${lib}_deps" $dep } # merge deps lib components # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_* merge_deps() { lib=$1 shift for comp in $*; do enabled $comp || continue eval "dep=\"\$${comp}_deps\"" for d in $dep; do add_dep $lib $d done done } merge_deps libavfilter $FILTER_LIST for thread in $THREADS_LIST; do if enabled $thread; then test -n "$thread_type" && die "ERROR: Only one thread type must be selected." || thread_type="$thread" fi done # conditional library dependencies, in linking order enabled aconvert_filter && prepend avfilter_deps "swresample" enabled amovie_filter && prepend avfilter_deps "avformat avcodec" enabled aresample_filter && prepend avfilter_deps "swresample" enabled asyncts_filter && prepend avfilter_deps "avresample" enabled atempo_filter && prepend avfilter_deps "avcodec" enabled decimate_filter && prepend avfilter_deps "avcodec" enabled deshake_filter && prepend avfilter_deps "avcodec" enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample" enabled elbg_filter && prepend avfilter_deps "avcodec" enabled mcdeint_filter && prepend avfilter_deps "avcodec" enabled movie_filter && prepend avfilter_deps "avformat avcodec" enabled mp_filter && prepend avfilter_deps "avcodec" enabled pan_filter && prepend avfilter_deps "swresample" enabled pp_filter && prepend avfilter_deps "postproc" enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale" enabled resample_filter && prepend avfilter_deps "avresample" enabled sab_filter && prepend avfilter_deps "swscale" enabled scale_filter && prepend avfilter_deps "swscale" enabled showspectrum_filter && prepend avfilter_deps "avcodec" enabled smartblur_filter && prepend avfilter_deps "swscale" enabled subtitles_filter && prepend avfilter_deps "avformat avcodec" enabled lavfi_indev && prepend avdevice_deps "avfilter" enabled opus_decoder && prepend avcodec_deps "swresample" expand_deps(){ lib_deps=${1}_deps eval "deps=\$$lib_deps" append $lib_deps $(map 'eval echo \$${v}_deps' $deps) unique $lib_deps } #we have to remove gpl from the deps here as some code assumes all lib deps are libs postproc_deps="$(filter_out 'gpl' $postproc_deps)" map 'expand_deps $v' $LIBRARY_LIST echo "install prefix $prefix" echo "source path $source_path" echo "C compiler $cc" echo "C library $libc_type" if test "$host_cc" != "$cc"; then echo "host C compiler $host_cc" echo "host C library $host_libc_type" fi echo "ARCH $arch ($cpu)" if test "$build_suffix" != ""; then echo "build suffix $build_suffix" fi if test "$progs_suffix" != ""; then echo "progs suffix $progs_suffix" fi if test "$extra_version" != ""; then echo "version string suffix $extra_version" fi echo "big-endian ${bigendian-no}" echo "runtime cpu detection ${runtime_cpudetect-no}" if enabled x86; then echo "${yasmexe} ${yasm-no}" echo "MMX enabled ${mmx-no}" echo "MMXEXT enabled ${mmxext-no}" echo "3DNow! enabled ${amd3dnow-no}" echo "3DNow! extended enabled ${amd3dnowext-no}" echo "SSE enabled ${sse-no}" echo "SSSE3 enabled ${ssse3-no}" echo "AVX enabled ${avx-no}" echo "XOP enabled ${xop-no}" echo "FMA3 enabled ${fma3-no}" echo "FMA4 enabled ${fma4-no}" echo "i686 features enabled ${i686-no}" echo "CMOV is fast ${fast_cmov-no}" echo "EBX available ${ebx_available-no}" echo "EBP available ${ebp_available-no}" fi if enabled aarch64; then echo "NEON enabled ${neon-no}" echo "VFP enabled ${vfp-no}" fi if enabled arm; then echo "ARMv5TE enabled ${armv5te-no}" echo "ARMv6 enabled ${armv6-no}" echo "ARMv6T2 enabled ${armv6t2-no}" echo "VFP enabled ${vfp-no}" echo "NEON enabled ${neon-no}" echo "THUMB enabled ${thumb-no}" fi if enabled mips; then echo "MIPS FPU enabled ${mipsfpu-no}" echo "MIPS32R2 enabled ${mips32r2-no}" echo "MIPS DSP R1 enabled ${mipsdspr1-no}" echo "MIPS DSP R2 enabled ${mipsdspr2-no}" fi if enabled ppc; then echo "AltiVec enabled ${altivec-no}" echo "PPC 4xx optimizations ${ppc4xx-no}" echo "dcbzl available ${dcbzl-no}" fi echo "debug symbols ${debug-no}" echo "strip symbols ${stripping-no}" echo "optimize for size ${small-no}" echo "optimizations ${optimizations-no}" echo "static ${static-no}" echo "shared ${shared-no}" echo "postprocessing support ${postproc-no}" echo "new filter support ${avfilter-no}" echo "network support ${network-no}" echo "threading support ${thread_type-no}" echo "safe bitstream reader ${safe_bitstream_reader-no}" echo "SDL support ${sdl-no}" echo "opencl enabled ${opencl-no}" echo "libzvbi enabled ${libzvbi-no}" echo "texi2html enabled ${texi2html-no}" echo "perl enabled ${perl-no}" echo "pod2man enabled ${pod2man-no}" echo "makeinfo enabled ${makeinfo-no}" test -n "$random_seed" && echo "random seed ${random_seed}" echo echo "External libraries:" print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns echo for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do echo "Enabled ${type}s:" eval list=\$$(toupper $type)_LIST print_enabled '_*' $list | print_3_columns echo done license="LGPL version 2.1 or later" if enabled nonfree; then license="nonfree and unredistributable" elif enabled gplv3; then license="GPL version 3 or later" elif enabled lgplv3; then license="LGPL version 3 or later" elif enabled gpl; then license="GPL version 2 or later" fi echo "License: $license" echo "Creating config.mak, config.h, and doc/config.texi..." test -e Makefile || echo "include $source_path/Makefile" > Makefile enabled stripping || strip="echo skipping strip" config_files="$TMPH config.mak doc/config.texi" cat > config.mak <<EOF # Automatically generated by configure - do not modify! ifndef FFMPEG_CONFIG_MAK FFMPEG_CONFIG_MAK=1 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION prefix=$prefix LIBDIR=\$(DESTDIR)$libdir SHLIBDIR=\$(DESTDIR)$shlibdir INCDIR=\$(DESTDIR)$incdir BINDIR=\$(DESTDIR)$bindir DATADIR=\$(DESTDIR)$datadir DOCDIR=\$(DESTDIR)$docdir MANDIR=\$(DESTDIR)$mandir SRC_PATH=$source_path ifndef MAIN_MAKEFILE SRC_PATH:=\$(SRC_PATH:.%=..%) endif CC_IDENT=$cc_ident ARCH=$arch CC=$cc CXX=$cxx AS=$as LD=$ld DEPCC=$dep_cc DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS) DEPAS=$as DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS) YASM=$yasmexe DEPYASM=$yasmexe AR=$ar ARFLAGS=$arflags AR_O=$ar_o RANLIB=$ranlib STRIP=$strip CP=cp -p LN_S=$ln_s CPPFLAGS=$CPPFLAGS CFLAGS=$CFLAGS CXXFLAGS=$CXXFLAGS ASFLAGS=$ASFLAGS AS_C=$AS_C AS_O=$AS_O CC_C=$CC_C CC_E=$CC_E CC_O=$CC_O CXX_C=$CXX_C CXX_O=$CXX_O LD_O=$LD_O LD_LIB=$LD_LIB LD_PATH=$LD_PATH DLLTOOL=$dlltool WINDRES=$windres DEPWINDRES=$dep_cc LDFLAGS=$LDFLAGS SHFLAGS=$(echo $($ldflags_filter $SHFLAGS)) ASMSTRIPFLAGS=$ASMSTRIPFLAGS YASMFLAGS=$YASMFLAGS BUILDSUF=$build_suffix PROGSSUF=$progs_suffix FULLNAME=$FULLNAME LIBPREF=$LIBPREF LIBSUF=$LIBSUF LIBNAME=$LIBNAME SLIBPREF=$SLIBPREF SLIBSUF=$SLIBSUF EXESUF=$EXESUF EXTRA_VERSION=$extra_version CCDEP=$CCDEP CXXDEP=$CXXDEP CCDEP_FLAGS=$CCDEP_FLAGS ASDEP=$ASDEP ASDEP_FLAGS=$ASDEP_FLAGS CC_DEPFLAGS=$CC_DEPFLAGS AS_DEPFLAGS=$AS_DEPFLAGS HOSTCC=$host_cc HOSTLD=$host_ld HOSTCFLAGS=$host_cflags HOSTCPPFLAGS=$host_cppflags HOSTEXESUF=$HOSTEXESUF HOSTLDFLAGS=$host_ldflags HOSTLIBS=$host_libs DEPHOSTCC=$host_cc DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS) HOSTCCDEP=$HOSTCCDEP HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS HOSTCC_C=$HOSTCC_C HOSTCC_O=$HOSTCC_O HOSTLD_O=$HOSTLD_O TARGET_EXEC=$target_exec $target_exec_args TARGET_PATH=$target_path TARGET_SAMPLES=${target_samples:-\$(SAMPLES)} CFLAGS-ffplay=$sdl_cflags ZLIB=$($ldflags_filter -lz) LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD EXTRALIBS=$extralibs COMPAT_OBJS=$compat_objs EXEOBJS=$exeobjs INSTALL=$install LIBTARGET=${LIBTARGET} SLIBNAME=${SLIBNAME} SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION} SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR} SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD} SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD} SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME} SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS} SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB} SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB} SAMPLES:=${samples:-\$(FATE_SAMPLES)} NOREDZONE_FLAGS=$noredzone_flags EOF get_version(){ lcname=lib${1} name=$(toupper $lcname) file=$source_path/$lcname/version.h eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file") enabled raise_major && eval ${name}_VERSION_MAJOR=$((${name}_VERSION_MAJOR+100)) eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak eval echo "${lcname}_VERSION_MINOR=\$${name}_VERSION_MINOR" >> config.mak } map 'get_version $v' $LIBRARY_LIST map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> config.mak' $LIBRARY_LIST print_program_libs(){ eval "program_libs=\$${1}_libs" eval echo "LIBS-${1}=${program_libs}" >> config.mak } map 'print_program_libs $v' $PROGRAM_LIST cat > $TMPH <<EOF /* Automatically generated by configure - do not modify! */ #ifndef FFMPEG_CONFIG_H #define FFMPEG_CONFIG_H #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)" #define FFMPEG_LICENSE "$(c_escape $license)" #define CONFIG_THIS_YEAR 2014 #define FFMPEG_DATADIR "$(eval c_escape $datadir)" #define AVCONV_DATADIR "$(eval c_escape $datadir)" #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})" #define av_restrict $_restrict #define EXTERN_PREFIX "${extern_prefix}" #define EXTERN_ASM ${extern_prefix} #define BUILDSUF "$build_suffix" #define SLIBSUF "$SLIBSUF" #define HAVE_MMX2 HAVE_MMXEXT EOF test -n "$assert_level" && echo "#define ASSERT_LEVEL $assert_level" >>$TMPH test -n "$malloc_prefix" && echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH if enabled yasm; then append config_files $TMPASM printf '' >$TMPASM fi enabled getenv || echo "#define getenv(x) NULL" >> $TMPH mkdir -p doc echo "@c auto-generated by configure" > doc/config.texi print_config ARCH_ "$config_files" $ARCH_LIST print_config HAVE_ "$config_files" $HAVE_LIST print_config CONFIG_ "$config_files" $CONFIG_LIST \ $CONFIG_EXTRA \ $ALL_COMPONENTS \ echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH echo "endif # FFMPEG_CONFIG_MAK" >> config.mak # Do not overwrite an unchanged config.h to avoid superfluous rebuilds. cp_if_changed $TMPH config.h touch .config enabled yasm && cp_if_changed $TMPASM config.asm cat > $TMPH <<EOF /* Generated by ffconf */ #ifndef AVUTIL_AVCONFIG_H #define AVUTIL_AVCONFIG_H EOF print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH cp_if_changed $TMPH libavutil/avconfig.h if test -n "$WARNINGS"; then printf "\n$WARNINGS" enabled fatal_warnings && exit 1 fi # build pkg-config files lib_version(){ eval printf "\"lib${1}${build_suffix} >= \$LIB$(toupper ${1})_VERSION, \"" } pkgconfig_generate(){ name=$1 shortname=${name#lib}${build_suffix} comment=$2 version=$3 libs=$4 requires=$(map 'lib_version $v' $(eval echo \$${name#lib}_deps)) requires=${requires%, } enabled ${name#lib} || return 0 mkdir -p $name cat <<EOF > $name/$name${build_suffix}.pc prefix=$prefix exec_prefix=\${prefix} libdir=$libdir includedir=$incdir Name: $name Description: $comment Version: $version Requires: $(enabled shared || echo $requires) Requires.private: $(enabled shared && echo $requires) Conflicts: Libs: -L\${libdir} $(enabled rpath && echo "-Wl,-rpath,\${libdir}") -l${shortname} $(enabled shared || echo $libs) Libs.private: $(enabled shared && echo $libs) Cflags: -I\${includedir} EOF mkdir -p doc/examples/pc-uninstalled includedir=${source_path} [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.." cat <<EOF > doc/examples/pc-uninstalled/$name.pc prefix= exec_prefix= libdir=\${pcfiledir}/../../../$name includedir=${includedir} Name: $name Description: $comment Version: $version Requires: $requires Conflicts: Libs: -L\${libdir} -Wl,-rpath,\${libdir} -l${shortname} $(enabled shared || echo $libs) Cflags: -I\${includedir} EOF } pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM" pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" pkgconfig_generate libavfilter "FFmpeg audio/video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" pkgconfig_generate libswresample "FFmpeg audio resampling library" "$LIBSWRESAMPLE_VERSION" "$LIBM"