3 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
5 Usage: ./configure [options]
8 -h, --help print this message
11 --prefix=PREFIX install architecture-independent files in PREFIX
13 --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
15 --bindir=DIR install binaries in DIR [EPREFIX/bin]
16 --libdir=DIR install libs in DIR [EPREFIX/lib]
17 --includedir=DIR install includes in DIR [PREFIX/include]
18 --extra-asflags=EASFLAGS add EASFLAGS to ASFLAGS
19 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS
20 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS
21 --extra-rcflags=ERCFLAGS add ERCFLAGS to RCFLAGS
23 Configuration options:
24 --disable-cli disable cli
25 --system-libx264 use system libx264 instead of internal
26 --enable-shared build shared library
27 --enable-static build static library
28 --disable-opencl disable OpenCL features
29 --disable-gpl disable GPL-only features
30 --disable-thread disable multithreaded encoding
31 --enable-win32thread use win32threads (windows only)
32 --disable-interlaced disable interlaced encoding support
33 --bit-depth=BIT_DEPTH set output bit depth (8-10) [8]
34 --chroma-format=FORMAT output chroma format (420, 422, 444, all) [all]
37 --disable-asm disable platform-specific assembly optimizations
39 --enable-gprof add -pg
41 --enable-pic build position-independent code
44 --host=HOST build programs to run on HOST
45 --cross-prefix=PREFIX use PREFIX for compilation tools
46 --sysroot=SYSROOT root of cross-build tree
48 External library support:
49 --disable-avs disable avisynth support
50 --disable-swscale disable swscale support
51 --disable-lavf disable libavformat support
52 --disable-ffms disable ffmpegsource support
53 --disable-gpac disable gpac support
54 --disable-lsmash disable lsmash support
61 echo -n "checking $1... " >> config.log
65 echo "yes" >> config.log
69 echo "no" >> config.log
73 echo "$1" >> config.log
77 # several non gcc compilers issue an incredibly large number of warnings on high warning levels,
78 # suppress them by reducing the warning level rather than having to use #pragmas
80 [[ "$arg" = -falign-loops* ]] && arg=
81 [ "$arg" = -fno-tree-vectorize ] && arg=
82 [ "$arg" = -Wshadow ] && arg=
83 [ "$arg" = -Wno-maybe-uninitialized ] && arg=
84 [[ "$arg" = -mpreferred-stack-boundary* ]] && arg=
85 [[ "$arg" = -l* ]] && arg=
86 [[ "$arg" = -L* ]] && arg=
87 if [ $compiler_style = MS ]; then
88 [ "$arg" = -ffast-math ] && arg="-fp:fast"
89 [ "$arg" = -Wall ] && arg=
90 [ "$arg" = -Werror ] && arg="-W3 -WX"
91 [ "$arg" = -g ] && arg=-Z7
92 [ "$arg" = -fomit-frame-pointer ] && arg=
93 [ "$arg" = -s ] && arg=
94 [ "$arg" = -fPIC ] && arg=
96 [ "$arg" = -ffast-math ] && arg=
97 [ "$arg" = -Wall ] && arg=
98 [ "$arg" = -Werror ] && arg="-w3 -Werror"
100 [ $compiler = CL -a "$arg" = -O3 ] && arg=-O2
102 [ -n "$arg" ] && echo -n "$arg "
108 arg=${arg/LIBPATH/libpath}
109 [ "${arg#-libpath:}" == "$arg" -a "${arg#-l}" != "$arg" ] && arg=${arg#-l}.lib
110 [ "${arg#-L}" != "$arg" ] && arg=-libpath:${arg#-L}
111 [ "$arg" = -Wl,--large-address-aware ] && arg=-largeaddressaware
112 [ "$arg" = -s ] && arg=
113 [ "$arg" = -Wl,-Bsymbolic ] && arg=
114 [ "$arg" = -fno-tree-vectorize ] && arg=
115 [ "$arg" = -Werror ] && arg=
116 [ "$arg" = -Wshadow ] && arg=
117 [ "$arg" = -Wmaybe-uninitialized ] && arg=
118 [[ "$arg" = -Qdiag-error* ]] && arg=
120 arg=${arg/pthreadGC/pthreadVC}
121 [ "$arg" = avifil32.lib ] && arg=vfw32.lib
122 [ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
123 [ "$arg" = x264.lib ] && arg=libx264.lib
125 [ -n "$arg" ] && echo -n "$arg "
131 if [ -z "$1$2" ]; then
132 log_check "whether $CC works"
133 elif [ -z "$1" ]; then
138 elif [ -z "$1" ]; then
140 log_check "whether $CC supports $3"
142 log_check "whether $CC supports $3 with $2"
145 log_check "for $3 in $1";
149 echo "#include <$arg>" >> conftest.c
151 echo "int main (void) { $3 return 0; }" >> conftest.c
152 if [ $compiler_style = MS ]; then
153 cc_cmd="$CC conftest.c $(cc_cflags $CFLAGS $CHECK_CFLAGS $2) -link $(cl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
155 cc_cmd="$CC conftest.c $CFLAGS $CHECK_CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
157 if $cc_cmd >conftest.log 2>&1; then
163 log_msg "Failed commandline was:"
164 log_msg "--------------------------------------------------"
166 cat conftest.log >> config.log
167 log_msg "--------------------------------------------------"
168 log_msg "Failed program was:"
169 log_msg "--------------------------------------------------"
170 cat conftest.c >> config.log
171 log_msg "--------------------------------------------------"
177 log_check "whether $3 is true"
180 echo "#include <$arg>" >> conftest.c
182 echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
183 if [ $compiler_style = MS ]; then
184 cpp_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -P"
186 cpp_cmd="$CC conftest.c $CFLAGS $2 -E -o conftest"
188 if $cpp_cmd >conftest.log 2>&1; then
194 log_msg "--------------------------------------------------"
195 cat conftest.log >> config.log
196 log_msg "--------------------------------------------------"
197 log_msg "Failed program was:"
198 log_msg "--------------------------------------------------"
199 cat conftest.c >> config.log
200 log_msg "--------------------------------------------------"
206 log_check "whether $AS supports $1"
207 echo "$1" > conftest$AS_EXT
208 as_cmd="$AS conftest$AS_EXT $ASFLAGS $2 -o conftest.o"
209 if $as_cmd >conftest.log 2>&1; then
215 log_msg "Failed commandline was:"
216 log_msg "--------------------------------------------------"
218 cat conftest.log >> config.log
219 log_msg "--------------------------------------------------"
220 log_msg "Failed program was:"
221 log_msg "--------------------------------------------------"
222 cat conftest$AS_EXT >> config.log
223 log_msg "--------------------------------------------------"
229 log_check "whether $RC works"
230 echo "$1" > conftest.rc
231 if [ $compiler = GNU ]; then
232 rc_cmd="$RC $RCFLAGS -o conftest.o conftest.rc"
234 rc_cmd="$RC $RCFLAGS -foconftest.o conftest.rc"
236 if $rc_cmd >conftest.log 2>&1; then
242 log_msg "Failed commandline was:"
243 log_msg "--------------------------------------------------"
245 cat conftest.log >> config.log
246 log_msg "--------------------------------------------------"
247 log_msg "Failed program was:"
248 log_msg "--------------------------------------------------"
249 cat conftest.rc >> config.log
250 log_msg "--------------------------------------------------"
256 echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
265 configure_system_override() {
266 log_check "system libx264 configuration"
267 x264_config_path="$1/x264_config.h"
268 if [ -e "$x264_config_path" ]; then
271 arg="$(grep '#define X264_GPL ' $x264_config_path | sed -e 's/#define X264_GPL *//; s/ *$//')"
272 if [ -n "$arg" ]; then
273 [ "$arg" = 0 ] && arg="no" || arg="yes"
274 [ "$arg" != "$gpl" ] && die "Incompatible license with system libx264"
276 arg="$(grep '#define X264_BIT_DEPTH ' $x264_config_path | sed -e 's/#define X264_BIT_DEPTH *//; s/ *$//')"
277 if [ -n "$arg" ]; then
278 if [ "$arg" != "$bit_depth" ]; then
279 echo "Override output bit depth with system libx264 configuration"
283 arg="$(grep '#define X264_CHROMA_FORMAT ' $x264_config_path | sed -e 's/#define X264_CHROMA_FORMAT *//; s/ *$//')"
284 if [ -n "$arg" ]; then
285 [ "$arg" = 0 ] && arg="all" || arg="${arg#X264_CSP_I}"
286 if [ "$arg" != "$chroma_format" ]; then
287 echo "Override output chroma format with system libx264 configuration"
291 arg="$(grep '#define X264_INTERLACED ' $x264_config_path | sed -e 's/#define X264_INTERLACED *//; s/ *$//')"
292 if [ -n "$arg" ]; then
293 [ "$arg" = 0 ] && arg="no" || arg="yes"
294 if [ "$arg" != "$interlaced" ]; then
295 echo "Override interlaced encoding support with system libx264 configuration"
302 log_msg "Failed search path was: $x264_config_path"
307 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
309 # Construct a path to the specified directory relative to the working directory
311 local base="${PWD%/}"
312 local path="$(cd "$1" >/dev/null; printf '%s/.' "${PWD%/}")"
315 while [[ $path != "$base/"* ]]; do
320 dirname "$up${path#"$base/"}"
323 SRCPATH="$(relative_path "$(dirname "$0")")"
324 echo "$SRCPATH" | grep -q ' ' && die "Out of tree builds are impossible with whitespace in source path."
325 [ -e "$SRCPATH/config.h" -o -e "$SRCPATH/x264_config.h" ] && die "Out of tree builds are impossible with config.h/x264_config.h in source dir."
328 exec_prefix='${prefix}'
329 bindir='${exec_prefix}/bin'
330 libdir='${exec_prefix}/lib'
331 includedir='${prefix}/include'
335 cli_libx264="internal"
359 CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
361 LDFLAGSCLI="$LDFLAGSCLI"
362 ASFLAGS="$ASFLAGS -I. -I\$(SRCPATH)"
373 # list of all preprocessor HAVE values we can define
374 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
375 LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER \
387 exec_prefix="$optarg"
413 --disable-interlaced)
435 ASFLAGS="$ASFLAGS $optarg"
438 CFLAGS="$CFLAGS $optarg"
441 LDFLAGS="$LDFLAGS $optarg"
444 RCFLAGS="$RCFLAGS $optarg"
449 --enable-win32thread)
460 LDFLAGS="$LDFLAGS -pg"
476 cross_prefix="$optarg"
479 CFLAGS="$CFLAGS --sysroot=$optarg"
480 LDFLAGS="$LDFLAGS --sysroot=$optarg"
484 if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
485 echo "Supplied bit depth must be in range [8,10]."
488 bit_depth=`expr $bit_depth + 0`
491 chroma_format="$optarg"
492 if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
493 echo "Supplied chroma format must be 420, 422, 444 or all."
498 echo "Unknown option $opt, ignored"
503 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
505 CC="${CC-${cross_prefix}gcc}"
506 AR="${AR-${cross_prefix}ar}"
507 RANLIB="${RANLIB-${cross_prefix}ranlib}"
508 STRIP="${STRIP-${cross_prefix}strip}"
509 INSTALL="${INSTALL-install}"
511 if [ "x$host" = x ]; then
512 host=`${SRCPATH}/config.guess`
514 # normalize a triplet into a quadruplet
515 host=`${SRCPATH}/config.sub $host`
518 host_cpu="${host%%-*}"
520 host_vendor="${host%%-*}"
523 trap 'rm -f conftest*' EXIT
525 # test for use of compilers that require specific handling
526 cc_base=`basename "$CC"`
528 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
529 if [[ "$cc_base" = icl || "$cc_base" = icl[\ .]* ]]; then
530 # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
531 [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
534 CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
536 `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
537 `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
538 cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
539 if cc_check '' -Qdiag-error:10006,10157 ; then
540 CHECK_CFLAGS="$CHECK_CFLAGS -Qdiag-error:10006,10157"
542 elif [[ "$cc_base" = cl || "$cc_base" = cl[\ .]* ]]; then
543 # Standard Microsoft Visual Studio
546 CFLAGS="$CFLAGS -nologo -GS- -DHAVE_STRING_H -I\$(SRCPATH)/extras"
547 `$CC 2>&1 | grep -q 'x86'` && host_cpu=i486
548 `$CC 2>&1 | grep -q 'x64'` && host_cpu=x86_64
549 cpp_check '' '' '_MSC_VER > 1800 || (_MSC_VER == 1800 && _MSC_FULL_VER >= 180030324)' || die "Microsoft Visual Studio support requires Visual Studio 2013 Update 2 or newer"
552 if [[ "$cc_base" = icc || "$cc_base" = icc[\ .]* ]]; then
558 if [[ "$cc_base" = clang || "$cc_base" = clang[\ .]* ]]; then
559 if cc_check '' -Werror=unknown-warning-option ; then
560 CHECK_CFLAGS="$CHECK_CFLAGS -Werror=unknown-warning-option"
573 if [ "$pic" = "no" ]; then
574 cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
606 if [ $compiler_style = GNU ] && cc_check "" -mno-cygwin; then
607 CFLAGS="$CFLAGS -mno-cygwin"
608 LDFLAGS="$LDFLAGS -mno-cygwin"
610 if cpp_check "" "" "defined(__CYGWIN__)" ; then
616 LDFLAGSCLI="$LDFLAGSCLI -lshell32"
617 RC="${RC-${cross_prefix}windres}"
624 LDFLAGSCLI="$LDFLAGSCLI -lshell32"
625 [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
631 if cc_check "" /usr/lib/64/values-xpg6.o; then
632 LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
634 LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
636 if test -x /usr/ucb/install ; then
637 INSTALL=/usr/ucb/install
638 elif test -x /usr/bin/ginstall ; then
640 INSTALL=/usr/bin/ginstall
641 elif test -x /usr/gnu/bin/install ; then
643 INSTALL=/usr/gnu/bin/install
652 CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
658 die "Unknown system $host, edit the configure"
662 LDFLAGS="$LDFLAGS $libm"
670 ASFLAGS="$ASFLAGS -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
671 if [ $compiler = GNU ]; then
672 if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
673 CFLAGS="$CFLAGS -march=i686"
675 if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
676 CFLAGS="$CFLAGS -mfpmath=sse -msse -msse2"
678 CFLAGS="-m32 $CFLAGS"
679 LDFLAGS="-m32 $LDFLAGS"
680 elif [ $compiler = ICC ]; then
681 # icc on linux has various degrees of mod16 stack support
682 if [ $SYS = LINUX ]; then
683 # < 11 is completely incapable of keeping a mod16 stack
684 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
686 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
687 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
688 CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
690 # >= 12 defaults to a mod16 stack
693 # always a mod4 stack
696 if [ "$SYS" = MACOSX ]; then
697 ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
698 elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
699 ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
700 LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
701 [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
702 [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
704 ASFLAGS="$ASFLAGS -f elf32"
711 ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
712 [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
713 if [ "$SYS" = MACOSX ]; then
714 ASFLAGS="$ASFLAGS -f macho64 -DPIC -DPREFIX"
715 if cc_check '' "-arch x86_64"; then
716 CFLAGS="$CFLAGS -arch x86_64"
717 LDFLAGS="$LDFLAGS -arch x86_64"
719 elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
720 ASFLAGS="$ASFLAGS -f win64"
721 # only the GNU toolchain is inconsistent in prefixing function names with _
722 [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
723 [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
724 [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
726 ASFLAGS="$ASFLAGS -f elf64"
731 if [ $asm = auto ] ; then
735 if [ $SYS = MACOSX ] ; then
736 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
738 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
739 define HAVE_ALTIVEC_H
753 if [ "$SYS" = MACOSX ] ; then
754 AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -- ${CC}}"
755 ASFLAGS="$ASFLAGS -DPREFIX -DPIC" # apple's ld doesn't support movw/movt relocations at all
756 # build for armv7 by default
757 if ! echo $CFLAGS | grep -Eq '\-arch' ; then
758 CFLAGS="$CFLAGS -arch armv7"
759 LDFLAGS="$LDFLAGS -arch armv7"
767 if [ "$SYS" = MACOSX ] ; then
768 AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
769 ASFLAGS="$ASFLAGS -DPREFIX"
787 ARCH="$(echo $host_cpu | tr a-z A-Z)"
791 if [ $SYS = WINDOWS ]; then
792 if ! rc_check "0 RCDATA {0}" ; then
797 log_msg "x264 configure script"
799 msg="Command line options:"
809 cc_check || die "No working C compiler found."
811 if [ $compiler_style = GNU ]; then
812 if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
813 CFLAGS="$CFLAGS -std=gnu99"
814 elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
815 CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
816 elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
817 die "C99 compiler is needed for compilation."
821 if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" -o $ARCH = "IA64" -o $ARCH = "PARISC" -o $ARCH = "MIPS" -o $ARCH = "AARCH64" \) ] ; then
825 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
826 if ! as_check "vpmovzxwd ymm0, xmm0" ; then
827 VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
829 echo "Minimum version is yasm-1.2.0"
830 echo "If you really want to compile without asm, configure with --disable-asm."
833 cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
834 ASFLAGS="$ASFLAGS -Worphan-labels"
836 if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
837 CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
842 if [ $asm = auto -a $ARCH = ARM ] ; then
843 # set flags so neon is built by default
844 echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
846 if cc_check '' '' '__asm__("rev ip, ip");' ; then define HAVE_ARMV6
847 cc_check '' '' '__asm__("movt r0, #0");' && define HAVE_ARMV6T2
848 cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
849 ASFLAGS="$ASFLAGS -c"
851 echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
852 echo "If you really want to run on such a CPU, configure with --disable-asm."
857 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
858 if cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
859 ASFLAGS="$ASFLAGS -c"
861 echo "no NEON support, try adding -mfpu=neon to CFLAGS"
862 echo "If you really want to run on such a CPU, configure with --disable-asm."
867 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
868 # check if the assembler supports '.func' (clang 3.5 does not)
869 as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
872 if [ $asm = auto -a $ARCH = MIPS ] ; then
873 if ! echo $CFLAGS | grep -Eq '(-march|-mmsa|-mno-msa)' ; then
874 cc_check '' '-mmsa -mfp64 -mhard-float' && CFLAGS="-mmsa -mfp64 -mhard-float $CFLAGS"
877 if cc_check '' '' '__asm__("addvi.b $w0, $w1, 1");' ; then
880 echo "You specified a pre-MSA CPU in your CFLAGS."
881 echo "If you really want to run on such a CPU, configure with --disable-asm."
886 [ $asm = no ] && AS=""
887 [ "x$AS" = x ] && asm="no" || asm="yes"
892 define STACK_ALIGNMENT $stack_alignment
893 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
895 # skip endianness check for Intel Compiler and MSVS, as all supported platforms are little. each have flags that will cause the check to fail as well
896 CPU_ENDIAN="little-endian"
897 if [ $compiler = GNU ]; then
898 echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
899 $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
900 if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
901 define WORDS_BIGENDIAN
902 CPU_ENDIAN="big-endian"
903 elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
904 die "endian test failed"
908 if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
909 [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
910 if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
911 X264_LIBS="$(${cross_prefix}pkg-config --libs x264)"
912 X264_INCLUDE_DIR="${X264_INCLUDE_DIR-$(${cross_prefix}pkg-config --variable=includedir x264)}"
913 configure_system_override "$X264_INCLUDE_DIR" || die "Detection of system libx264 configuration failed"
915 die "Can not find system libx264"
919 # autodetect options that weren't forced nor disabled
921 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
922 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
925 if [ "$thread" = "auto" ]; then
930 define HAVE_BEOSTHREAD
933 if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
935 libpthread="-lpthread"
936 elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
938 libpthread="-lpthreadGC2"
939 elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
941 libpthread="-lpthreadGC2 -lwsock32"
942 define PTW32_STATIC_LIB
943 elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
945 libpthread="-lpthreadGC2 -lws2_32"
946 define PTW32_STATIC_LIB
948 # default to native threading if pthread-win32 is unavailable
953 cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
956 if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
958 libpthread="-lpthread"
960 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
965 if [ "$thread" = "posix" ]; then
966 LDFLAGS="$LDFLAGS $libpthread"
967 define HAVE_POSIXTHREAD
968 if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
969 define HAVE_CPU_COUNT
972 if [ "$thread" = "win32" ]; then
973 # cygwin does not support win32 threads
974 if [ "$SYS" = "WINDOWS" ]; then
975 define HAVE_WIN32THREAD
980 [ "$thread" != "no" ] && define HAVE_THREAD
982 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
986 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
990 if [ "$swscale" = "auto" ] ; then
992 if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
993 SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
994 SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
996 [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
998 if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
999 if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
1002 echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
1007 if [ "$lavf" = "auto" ] ; then
1009 if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
1010 LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
1011 LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
1013 if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
1014 LAVF_LIBS="-lavformat"
1015 for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
1016 cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
1019 LAVF_LIBS="-L. $LAVF_LIBS"
1020 if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "av_frame_free(0);" ; then
1021 if [ "$swscale" = "yes" ]; then
1024 echo "Warning: libavformat is not supported without swscale support"
1029 if [ "$ffms" = "auto" ] ; then
1030 ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
1033 if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
1034 FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
1035 FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
1037 [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
1039 if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1041 elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1043 FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
1046 error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
1047 if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
1049 echo "Warning: $error"
1051 if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
1052 echo "Warning: ffms is not supported without swscale support"
1057 if [ "$swscale" = "yes" ]; then
1058 LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
1059 CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
1061 if [ "$lavf" = "yes" ]; then
1062 LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
1063 CFLAGS="$CFLAGS $LAVF_CFLAGS"
1066 if [ "$ffms" = "yes" ]; then
1067 LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
1068 CFLAGS="$CFLAGS $FFMS2_CFLAGS"
1073 if [ "$lsmash" = "auto" ] ; then
1075 if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
1076 LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
1077 LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
1079 [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
1081 if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
1082 if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
1085 echo "Warning: lsmash is too old, update to rev.895 or later"
1090 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1092 GPAC_LIBS="-lgpac_static"
1093 cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1094 if [ "$SYS" = "WINDOWS" ] ; then
1095 cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1096 cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1098 if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1099 if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1102 echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1107 if [ "$lsmash" = "yes" ] ; then
1109 LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1110 CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1112 elif [ "$gpac" = "yes" ] ; then
1115 LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1118 if [ "$avs" = "auto" ] ; then
1120 # cygwin can use avisynth if it can use LoadLibrary
1121 if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1124 define USE_AVXSYNTH 0
1125 elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1126 # AvxSynth currently only supports Linux and OSX
1129 define USE_AVXSYNTH 1
1131 LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1135 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1137 if [ "$pic" = "yes" ] ; then
1138 [ "$SYS" != WINDOWS -a "$SYS" != CYGWIN ] && CFLAGS="$CFLAGS -fPIC"
1139 ASFLAGS="$ASFLAGS -DPIC"
1140 # resolve textrels in the x86 asm
1141 cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1142 [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1145 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1146 CFLAGS="$CFLAGS -fomit-frame-pointer"
1149 if [ "$strip" = "yes" ]; then
1150 LDFLAGS="$LDFLAGS -s"
1153 if [ "$debug" = "yes" ]; then
1154 CFLAGS="-O1 -g $CFLAGS"
1156 CFLAGS="-O3 -ffast-math $CFLAGS"
1159 if cc_check '' -fno-tree-vectorize ; then
1160 CFLAGS="$CFLAGS -fno-tree-vectorize"
1163 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1164 # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1165 cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1168 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1171 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1172 define fseek fseeko64
1173 define ftell ftello64
1174 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1175 define fseek _fseeki64
1176 define ftell _ftelli64
1179 if cc_check '' -Wshadow ; then
1180 CFLAGS="-Wshadow $CFLAGS"
1183 if cc_check '' -Wmaybe-uninitialized ; then
1184 CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1187 if [ $compiler = ICC -o $compiler = ICL ] ; then
1188 if cc_check 'extras/intel_dispatcher.h' '' 'x264_intel_dispatcher_override();' ; then
1189 define HAVE_INTEL_DISPATCHER
1193 if [ "$bit_depth" -gt "8" ]; then
1194 define HIGH_BIT_DEPTH
1195 ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1198 ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1201 if [ "$chroma_format" != "all" ]; then
1202 define CHROMA_FORMAT CHROMA_$chroma_format
1205 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1207 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1209 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1212 if [ "$opencl" = "yes" ]; then
1214 # cygwin can use opencl if it can use LoadLibrary
1215 if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1218 elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1223 LDFLAGS="$LDFLAGS $libdl"
1226 #define undefined vars as 0
1227 for var in $CONFIG_HAVE; do
1228 grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1231 # generate exported config file
1233 config_chroma_format="X264_CSP_I$chroma_format"
1234 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1235 cat > x264_config.h << EOF
1236 #define X264_BIT_DEPTH $bit_depth
1237 #define X264_GPL $x264_gpl
1238 #define X264_INTERLACED $x264_interlaced
1239 #define X264_CHROMA_FORMAT $config_chroma_format
1242 ${SRCPATH}/version.sh >> x264_config.h
1244 if [ "$cli_libx264" = "system" ] ; then
1245 if [ "$shared" = "yes" ]; then
1246 CLI_LIBX264='$(SONAME)'
1249 LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
1250 cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
1253 CLI_LIBX264='$(LIBX264)'
1258 if [ $compiler_style = MS ]; then
1259 AR="lib -nologo -out:"
1261 if [ $compiler = ICL ]; then
1265 mslink="$(dirname "$(command -v cl 2>/dev/null)")/link"
1266 [ -x "$mslink" ] && LD="\"$mslink\" -out:"
1269 LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1270 LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1273 [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1275 if [ $debug = yes ]; then
1276 LDFLAGS="-debug $LDFLAGS"
1277 CFLAGS="-D_DEBUG $CFLAGS"
1279 CFLAGS="-DNDEBUG $CFLAGS"
1286 [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1288 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1289 if [ $compiler = ICC -o $compiler = ICL ]; then
1290 # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1291 [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1292 PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1294 PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1296 elif [ $compiler = CL ]; then
1298 # _M_IX86_FP is only defined on x86
1299 [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1300 [ $ARCH = X86_64 ] && define __SSE__
1301 # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1302 # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1304 PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1306 PROF_USE_LD="-LTCG:PGOPTIMIZE"
1308 PROF_GEN_CC="-fprofile-generate"
1309 PROF_GEN_LD="-fprofile-generate"
1310 PROF_USE_CC="-fprofile-use"
1311 PROF_USE_LD="-fprofile-use"
1314 # generate config files
1316 cat > config.mak << EOF
1319 exec_prefix=$exec_prefix
1322 includedir=$includedir
1328 COMPILER_STYLE=$compiler_style
1343 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1345 PROF_GEN_CC=$PROF_GEN_CC
1346 PROF_GEN_LD=$PROF_GEN_LD
1347 PROF_USE_CC=$PROF_USE_CC
1348 PROF_USE_LD=$PROF_USE_LD
1352 if [ $compiler_style = MS ]; then
1353 echo '%.o: %.c' >> config.mak
1354 echo ' $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1357 if [ "$cli" = "yes" ]; then
1358 echo 'default: cli' >> config.mak
1359 echo 'install: install-cli' >> config.mak
1362 if [ "$shared" = "yes" ]; then
1363 API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1364 if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1365 echo "SONAME=libx264-$API.dll" >> config.mak
1366 if [ $compiler_style = MS ]; then
1367 echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1368 # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1369 # MSVC link does not act similarly, so it is required to make an export definition out of x264.h and use it at link time
1370 echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1371 echo "EXPORTS" > x264.def
1372 # export API functions
1373 grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1374 # export API variables/data. must be flagged with the DATA keyword
1375 grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1377 echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1378 echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1380 elif [ "$SYS" = "MACOSX" ]; then
1381 echo "SOSUFFIX=dylib" >> config.mak
1382 echo "SONAME=libx264.$API.dylib" >> config.mak
1383 echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1384 elif [ "$SYS" = "SunOS" ]; then
1385 echo "SOSUFFIX=so" >> config.mak
1386 echo "SONAME=libx264.so.$API" >> config.mak
1387 echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1389 echo "SOSUFFIX=so" >> config.mak
1390 echo "SONAME=libx264.so.$API" >> config.mak
1391 echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1393 echo 'default: lib-shared' >> config.mak
1394 echo 'install: install-lib-shared' >> config.mak
1397 if [ "$static" = "yes" ]; then
1398 echo 'default: lib-static' >> config.mak
1399 echo 'install: install-lib-static' >> config.mak
1402 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1403 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1405 cat > x264.pc << EOF
1407 exec_prefix=$exec_prefix
1409 includedir=$includedir
1412 Description: H.264 (MPEG4 AVC) encoder library
1413 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1414 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1415 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1416 Cflags: -I$includedir
1419 filters="crop select_every"
1421 [ $swscale = yes ] && filters="resize $filters"
1422 [ $gpl = yes ] && filters="$filters $gpl_filters"
1424 cat > conftest.log <<EOF
1426 byte order: $CPU_ENDIAN
1429 libx264: $cli_libx264
1433 interlaced: $interlaced
1446 bit depth: $bit_depth
1447 chroma format: $chroma_format
1451 cat conftest.log >> config.log
1454 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1455 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1458 echo "You can run 'make' or 'make fprofiled' now."