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 any warning level,
78 # suppress them by disabling all warnings rather than having to use #pragmas to disable most of them
80 [ $arg = -ffast-math ] && arg=
81 [[ "$arg" = -falign-loops* ]] && arg=
82 [ "$arg" = -fno-tree-vectorize ] && arg=
83 [ "$arg" = -Wshadow ] && arg=
84 [ "$arg" = -Wno-maybe-uninitialized ] && arg=
85 [[ "$arg" = -mpreferred-stack-boundary* ]] && arg=
86 [[ "$arg" = -l* ]] && arg=
87 [[ "$arg" = -L* ]] && arg=
88 if [ $compiler_style = MS ]; then
89 [ "$arg" = -Wall ] && arg=-W0
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" = -Wall ] && arg=-w0
97 [ "$arg" = -Werror ] && arg="-w3 -Werror"
99 [ $compiler = CL -a "$arg" = -O3 ] && arg=-O2
101 [ -n "$arg" ] && echo -n "$arg "
107 arg=${arg/LIBPATH/libpath}
108 [ ${arg#-libpath:} == $arg -a ${arg#-l} != $arg ] && arg=${arg#-l}.lib
109 [ ${arg#-L} != $arg ] && arg=-libpath:${arg#-L}
110 [ $arg = -Wl,--large-address-aware ] && arg=-largeaddressaware
111 [ $arg = -s ] && arg=
112 [ "$arg" = -Wl,-Bsymbolic ] && arg=
113 [ "$arg" = -fno-tree-vectorize ] && arg=
114 [ "$arg" = -Werror ] && arg=
115 [ "$arg" = -Wshadow ] && arg=
116 [ "$arg" = -Wmaybe-uninitialized ] && arg=
118 arg=${arg/pthreadGC/pthreadVC}
119 [ "$arg" = avifil32.lib ] && arg=vfw32.lib
120 [ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
122 [ -n "$arg" ] && echo -n "$arg "
128 if [ -z "$1$2" ]; then
129 log_check "whether $CC works"
130 elif [ -z "$1" ]; then
135 elif [ -z "$1" ]; then
137 log_check "whether $CC supports $3"
139 log_check "whether $CC supports $3 with $2"
142 log_check "for $3 in $1";
145 [ -n "$1" ] && echo "#include <$1>" > conftest.c
146 echo "int main (void) { $3 return 0; }" >> conftest.c
147 if [ $compiler_style = MS ]; then
148 cc_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -link $(cl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
150 cc_cmd="$CC conftest.c $CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
152 if $cc_cmd >conftest.log 2>&1; then
158 log_msg "Failed commandline was:"
159 log_msg "--------------------------------------------------"
161 cat conftest.log >> config.log
162 log_msg "--------------------------------------------------"
163 log_msg "Failed program was:"
164 log_msg "--------------------------------------------------"
165 cat conftest.c >> config.log
166 log_msg "--------------------------------------------------"
172 log_check "whether $3 is true"
174 [ -n "$1" ] && echo "#include <$1>" > conftest.c
175 echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
176 if [ $compiler_style = MS ]; then
177 cpp_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -P"
179 cpp_cmd="$CC conftest.c $CFLAGS $2 -E -o conftest"
181 if $cpp_cmd >conftest.log 2>&1; then
187 log_msg "--------------------------------------------------"
188 cat conftest.log >> config.log
189 log_msg "--------------------------------------------------"
190 log_msg "Failed program was:"
191 log_msg "--------------------------------------------------"
192 cat conftest.c >> config.log
193 log_msg "--------------------------------------------------"
199 log_check "whether $AS supports $1"
200 echo "$1" > conftest$AS_EXT
201 as_cmd="$AS conftest$AS_EXT $ASFLAGS $2 -o conftest.o"
202 if $as_cmd >conftest.log 2>&1; then
208 log_msg "Failed commandline was:"
209 log_msg "--------------------------------------------------"
211 cat conftest.log >> config.log
212 log_msg "--------------------------------------------------"
213 log_msg "Failed program was:"
214 log_msg "--------------------------------------------------"
215 cat conftest$AS_EXT >> config.log
216 log_msg "--------------------------------------------------"
222 log_check "whether $RC works"
223 echo "$1" > conftest.rc
224 if [ $compiler = GNU ]; then
225 rc_cmd="$RC $RCFLAGS -o conftest.o conftest.rc"
227 rc_cmd="$RC $RCFLAGS -foconftest.o conftest.rc"
229 if $rc_cmd >conftest.log 2>&1; then
235 log_msg "Failed commandline was:"
236 log_msg "--------------------------------------------------"
238 cat conftest.log >> config.log
239 log_msg "--------------------------------------------------"
240 log_msg "Failed program was:"
241 log_msg "--------------------------------------------------"
242 cat conftest.rc >> config.log
243 log_msg "--------------------------------------------------"
249 echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
258 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
260 SRCPATH="$(cd $(dirname $0); pwd)"
261 [ "$SRCPATH" = "$(pwd)" ] && SRCPATH=.
262 [ -n "$(echo $SRCPATH | grep ' ')" ] && die "Out of tree builds are impossible with whitespace in source path."
263 [ -e "$SRCPATH/config.h" -o -e "$SRCPATH/x264_config.h" ] && die "Out of tree builds are impossible with config.h/x264_config.h in source dir."
266 exec_prefix='${prefix}'
267 bindir='${exec_prefix}/bin'
268 libdir='${exec_prefix}/lib'
269 includedir='${prefix}/include'
273 cli_libx264="internal"
297 CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
299 LDFLAGSCLI="$LDFLAGSCLI"
300 ASFLAGS="$ASFLAGS -I. -I\$(SRCPATH)"
310 # list of all preprocessor HAVE values we can define
311 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
312 LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC"
323 exec_prefix="$optarg"
349 --disable-interlaced)
371 ASFLAGS="$ASFLAGS $optarg"
374 CFLAGS="$CFLAGS $optarg"
377 LDFLAGS="$LDFLAGS $optarg"
380 RCFLAGS="$RCFLAGS $optarg"
385 --enable-win32thread)
396 LDFLAGS="$LDFLAGS -pg"
412 cross_prefix="$optarg"
415 CFLAGS="$CFLAGS --sysroot=$optarg"
416 LDFLAGS="$LDFLAGS --sysroot=$optarg"
420 if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
421 echo "Supplied bit depth must be in range [8,10]."
424 bit_depth=`expr $bit_depth + 0`
427 chroma_format="$optarg"
428 if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
429 echo "Supplied chroma format must be 420, 422, 444 or all."
434 echo "Unknown option $opt, ignored"
439 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
441 CC="${CC-${cross_prefix}gcc}"
442 AR="${AR-${cross_prefix}ar}"
443 RANLIB="${RANLIB-${cross_prefix}ranlib}"
444 STRIP="${STRIP-${cross_prefix}strip}"
445 INSTALL="${INSTALL-install}"
447 if [ "x$host" = x ]; then
448 host=`${SRCPATH}/config.guess`
450 # normalize a triplet into a quadruplet
451 host=`${SRCPATH}/config.sub $host`
454 host_cpu="${host%%-*}"
456 host_vendor="${host%%-*}"
459 # test for use of compilers that require specific handling
460 cc_base=`basename "$CC"`
462 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
463 if [[ "$cc_base" = icl || "$cc_base" = icl.* ]]; then
464 # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
465 [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
468 CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
470 `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
471 `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
472 cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
473 elif [[ "$cc_base" = cl || "$cc_base" = cl.* ]]; then
474 # Standard Microsoft Visual Studio
475 # Dependency creation includes absolute windows paths, Cygwin's make does not support Windows paths.
476 [[ $host_os = cygwin* ]] && die "Microsoft Visual Studio support requires MSYS"
479 CFLAGS="$CFLAGS -nologo -DHAVE_STRING_H -I\$(SRCPATH)/extras"
480 `$CC 2>&1 | grep -q 'for x86'` && host_cpu=i486
481 `$CC 2>&1 | grep -q 'for x64'` && host_cpu=x86_64
482 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"
485 if [[ "$cc_base" = icc || "$cc_base" = icc.* ]]; then
500 if [ "$pic" = "no" ]; then
501 cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
533 if cc_check "" -mno-cygwin; then
534 CFLAGS="$CFLAGS -mno-cygwin"
535 LDFLAGS="$LDFLAGS -mno-cygwin"
537 if cpp_check "" "" "defined(__CYGWIN__)" ; then
543 LDFLAGSCLI="$LDFLAGSCLI -lshell32"
544 RC="${RC-${cross_prefix}windres}"
551 LDFLAGSCLI="$LDFLAGSCLI -lshell32"
552 [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
558 if cc_check "" /usr/lib/64/values-xpg6.o; then
559 LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
561 LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
563 if test -x /usr/ucb/install ; then
564 INSTALL=/usr/ucb/install
565 elif test -x /usr/bin/ginstall ; then
567 INSTALL=/usr/bin/ginstall
568 elif test -x /usr/gnu/bin/install ; then
570 INSTALL=/usr/gnu/bin/install
579 CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
582 die "Unknown system $host, edit the configure"
586 LDFLAGS="$LDFLAGS $libm"
594 ASFLAGS="$ASFLAGS -O2 -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
595 if [ $compiler = GNU ]; then
596 if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
597 CFLAGS="$CFLAGS -march=i686"
599 if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
600 CFLAGS="$CFLAGS -mfpmath=sse -msse"
602 CFLAGS="-m32 $CFLAGS"
603 LDFLAGS="-m32 $LDFLAGS"
604 elif [ $compiler = ICC ]; then
605 # icc on linux has various degrees of mod16 stack support
606 if [ $SYS = LINUX ]; then
607 # < 11 is completely incapable of keeping a mod16 stack
608 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
610 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
611 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
612 CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
614 # >= 12 defaults to a mod16 stack
617 # always a mod4 stack
620 if [ "$SYS" = MACOSX ]; then
621 ASFLAGS="$ASFLAGS -f macho -DPREFIX"
622 elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
623 ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
624 LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
625 [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
626 [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
628 ASFLAGS="$ASFLAGS -f elf"
635 ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
636 [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
637 if [ "$SYS" = MACOSX ]; then
638 ASFLAGS="$ASFLAGS -f macho64 -m amd64 -DPIC -DPREFIX"
639 if cc_check '' "-arch x86_64"; then
640 CFLAGS="$CFLAGS -arch x86_64"
641 LDFLAGS="$LDFLAGS -arch x86_64"
643 elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
644 ASFLAGS="$ASFLAGS -f win32 -m amd64"
645 # only the GNU toolchain is inconsistent in prefixing function names with _
646 [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
647 [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
648 [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
650 ASFLAGS="$ASFLAGS -f elf -m amd64"
655 if [ $asm = auto ] ; then
659 if [ $SYS = MACOSX ] ; then
660 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
662 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
663 define HAVE_ALTIVEC_H
670 mips|mipsel|mips64|mips64el)
675 if [ "$SYS" = MACOSX ] ; then
676 AS="${AS-extras/gas-preprocessor.pl $CC}"
677 ASFLAGS="$ASFLAGS -DPREFIX -DPIC" # apple's ld doesn't support movw/movt relocations at all
678 # build for armv7 by default
679 if ! echo $CFLAGS | grep -Eq '\-arch' ; then
680 CFLAGS="$CFLAGS -arch armv7"
681 LDFLAGS="$LDFLAGS -arch armv7"
689 if [ "$SYS" = MACOSX ] ; then
690 AS="${AS-extras/gas-preprocessor.pl $CC}"
691 ASFLAGS="$ASFLAGS -DPREFIX"
709 ARCH="$(echo $host_cpu | tr a-z A-Z)"
713 if [ $SYS = WINDOWS ]; then
714 if ! rc_check "0 RCDATA {0}" ; then
719 log_msg "x264 configure script"
721 msg="Command line options:"
731 cc_check || die "No working C compiler found."
733 if [ $compiler_style = GNU ]; then
734 if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
735 CFLAGS="$CFLAGS -std=gnu99"
736 elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
737 CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
738 elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
739 die "C99 compiler is needed for compilation."
743 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
747 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
748 if ! as_check "vpmovzxwd ymm0, xmm0" ; then
749 VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
751 echo "Minimum version is yasm-1.2.0"
752 echo "If you really want to compile without asm, configure with --disable-asm."
755 cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
756 ASFLAGS="$ASFLAGS -Worphan-labels"
758 if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
759 CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
764 if [ $asm = auto -a $ARCH = ARM ] ; then
765 # set flags so neon is built by default
766 echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
768 if cc_check '' '' '__asm__("rev ip, ip");' ; then define HAVE_ARMV6
769 cc_check '' '' '__asm__("movt r0, #0");' && define HAVE_ARMV6T2
770 cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
771 ASFLAGS="$ASFLAGS -c"
773 echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
774 echo "If you really want to run on such a CPU, configure with --disable-asm."
779 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
780 # set flags so neon is built by default
781 echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu|-arch)' || CFLAGS="$CFLAGS -arch arm64 -mfpu=neon"
783 if cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
784 ASFLAGS="$ASFLAGS -c"
786 echo "no NEON support, try adding -mfpu=neon to CFLAGS"
787 echo "If you really want to run on such a CPU, configure with --disable-asm."
792 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
793 # check if the assembler supports '.func' (clang 3.5 does not)
794 as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
797 [ $asm = no ] && AS=""
798 [ "x$AS" = x ] && asm="no" || asm="yes"
803 define STACK_ALIGNMENT $stack_alignment
804 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
806 # 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
807 if [ $compiler = GNU ]; then
808 echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
809 $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
810 if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
811 define WORDS_BIGENDIAN
812 elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
813 die "endian test failed"
817 # autodetect options that weren't forced nor disabled
819 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
820 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
823 if [ "$thread" = "auto" ]; then
828 define HAVE_BEOSTHREAD
831 if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
833 libpthread="-lpthread"
834 elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
836 libpthread="-lpthreadGC2"
837 elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
839 libpthread="-lpthreadGC2 -lwsock32"
840 define PTW32_STATIC_LIB
841 elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
843 libpthread="-lpthreadGC2 -lws2_32"
844 define PTW32_STATIC_LIB
846 # default to native threading if pthread-win32 is unavailable
851 cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
854 if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
856 libpthread="-lpthread"
858 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
863 if [ "$thread" = "posix" ]; then
864 LDFLAGS="$LDFLAGS $libpthread"
865 define HAVE_POSIXTHREAD
866 if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
867 define HAVE_CPU_COUNT
870 if [ "$thread" = "win32" ]; then
871 # cygwin does not support win32 threads
872 if [ "$SYS" = "WINDOWS" ]; then
873 define HAVE_WIN32THREAD
878 [ "$thread" != "no" ] && define HAVE_THREAD
880 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
884 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
888 if [ "$swscale" = "auto" ] ; then
890 if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
891 SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
892 SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
894 [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
896 if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
897 if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
900 echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
905 if [ "$lavf" = "auto" ] ; then
907 if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
908 LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
909 LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
911 if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
912 LAVF_LIBS="-lavformat"
913 for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
914 cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
917 LAVF_LIBS="-L. $LAVF_LIBS"
918 if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avformat_close_input(0);" ; then
919 if [ "$swscale" = "yes" ]; then
922 echo "Warning: libavformat is not supported without swscale support"
927 if [ "$ffms" = "auto" ] ; then
928 ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
931 if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
932 FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
933 FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
935 [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
937 if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
939 elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
941 FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
944 error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
945 if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
947 echo "Warning: $error"
949 if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
950 echo "Warning: ffms is not supported without swscale support"
955 if [ "$swscale" = "yes" ]; then
956 LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
957 CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
959 if [ "$lavf" = "yes" ]; then
960 LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
961 CFLAGS="$CFLAGS $LAVF_CFLAGS"
964 if [ "$ffms" = "yes" ]; then
965 LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
966 CFLAGS="$CFLAGS $FFMS2_CFLAGS"
971 if [ "$lsmash" = "auto" ] ; then
973 if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
974 LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
975 LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
977 [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
979 if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
980 if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
983 echo "Warning: lsmash is too old, update to rev.895 or later"
988 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
990 GPAC_LIBS="-lgpac_static"
991 cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
992 if [ "$SYS" = "WINDOWS" ] ; then
993 cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
994 cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
996 if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
997 if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1000 echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1005 if [ "$lsmash" = "yes" ] ; then
1007 LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1008 CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1010 elif [ "$gpac" = "yes" ] ; then
1013 LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1016 if [ "$avs" = "auto" ] ; then
1018 # cygwin can use avisynth if it can use LoadLibrary
1019 if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1022 define USE_AVXSYNTH 0
1023 elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1024 # AvxSynth currently only supports Linux and OSX
1027 define USE_AVXSYNTH 1
1029 LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1033 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1035 if [ "$pic" = "yes" ] ; then
1036 CFLAGS="$CFLAGS -fPIC"
1037 ASFLAGS="$ASFLAGS -DPIC"
1038 # resolve textrels in the x86 asm
1039 cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1040 [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1043 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1044 CFLAGS="$CFLAGS -fomit-frame-pointer"
1047 if [ "$strip" = "yes" ]; then
1048 LDFLAGS="$LDFLAGS -s"
1051 if [ "$debug" = "yes" ]; then
1052 CFLAGS="-O1 -g $CFLAGS"
1054 CFLAGS="-O3 -ffast-math $CFLAGS"
1057 if cc_check '' -fno-tree-vectorize ; then
1058 CFLAGS="$CFLAGS -fno-tree-vectorize"
1061 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1062 # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1063 cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1066 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1069 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1070 define fseek fseeko64
1071 define ftell ftello64
1072 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1073 define fseek _fseeki64
1074 define ftell _ftelli64
1077 if cc_check '' -Wshadow ; then
1078 CFLAGS="-Wshadow $CFLAGS"
1081 if cc_check '' -Wmaybe-uninitialized ; then
1082 CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1085 if [ "$bit_depth" -gt "8" ]; then
1086 define HIGH_BIT_DEPTH
1087 ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1090 ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1093 if [ "$chroma_format" != "all" ]; then
1094 define CHROMA_FORMAT CHROMA_$chroma_format
1097 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1099 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1101 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1104 if [ "$opencl" = "yes" ]; then
1106 # cygwin can use opencl if it can use LoadLibrary
1107 if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1110 elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1115 LDFLAGS="$LDFLAGS $libdl"
1118 #define undefined vars as 0
1119 for var in $CONFIG_HAVE; do
1120 grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1125 if [ $compiler_style = MS ]; then
1126 AR="lib -nologo -out:"
1128 [ $compiler = ICL ] && AR="xi$AR" && LD="xi$LD"
1130 LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1131 LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1134 [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1136 if [ $debug = yes ]; then
1137 LDFLAGS="-debug $LDFLAGS"
1138 CFLAGS="-D_DEBUG $CFLAGS"
1140 CFLAGS="-DNDEBUG $CFLAGS"
1147 [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1149 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1150 if [ $compiler = ICC -o $compiler = ICL ]; then
1151 # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1152 [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1153 PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1155 PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1157 elif [ $compiler = CL ]; then
1159 # _M_IX86_FP is only defined on x86
1160 [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1161 [ $ARCH = X86_64 ] && define __SSE__
1162 # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1163 # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1165 PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1167 PROF_USE_LD="-LTCG:PGOPTIMIZE"
1169 PROF_GEN_CC="-fprofile-generate"
1170 PROF_GEN_LD="-fprofile-generate"
1171 PROF_USE_CC="-fprofile-use"
1172 PROF_USE_LD="-fprofile-use"
1177 # generate exported config file
1179 config_chroma_format="X264_CSP_I$chroma_format"
1180 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1181 cat > x264_config.h << EOF
1182 #define X264_BIT_DEPTH $bit_depth
1183 #define X264_GPL $x264_gpl
1184 #define X264_INTERLACED $x264_interlaced
1185 #define X264_CHROMA_FORMAT $config_chroma_format
1188 # generate config files
1190 cat > config.mak << EOF
1193 exec_prefix=$exec_prefix
1196 includedir=$includedir
1202 COMPILER_STYLE=$compiler_style
1217 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1219 PROF_GEN_CC=$PROF_GEN_CC
1220 PROF_GEN_LD=$PROF_GEN_LD
1221 PROF_USE_CC=$PROF_USE_CC
1222 PROF_USE_LD=$PROF_USE_LD
1226 if [ $compiler_style = MS ]; then
1227 echo '%.o: %.c' >> config.mak
1228 echo ' $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1231 if [ "$cli" = "yes" ]; then
1232 echo 'default: cli' >> config.mak
1233 echo 'install: install-cli' >> config.mak
1236 if [ "$shared" = "yes" ]; then
1237 API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1238 if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1239 echo "SONAME=libx264-$API.dll" >> config.mak
1240 if [ $compiler_style = MS ]; then
1241 echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1242 # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1243 # 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
1244 echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1245 echo "EXPORTS" > x264.def
1246 # export API functions
1247 grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1248 # export API variables/data. must be flagged with the DATA keyword
1249 grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1251 echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1252 echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1254 elif [ "$SYS" = "MACOSX" ]; then
1255 echo "SOSUFFIX=dylib" >> config.mak
1256 echo "SONAME=libx264.$API.dylib" >> config.mak
1257 echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1258 elif [ "$SYS" = "SunOS" ]; then
1259 echo "SOSUFFIX=so" >> config.mak
1260 echo "SONAME=libx264.so.$API" >> config.mak
1261 echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1263 echo "SOSUFFIX=so" >> config.mak
1264 echo "SONAME=libx264.so.$API" >> config.mak
1265 echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1267 echo 'default: lib-shared' >> config.mak
1268 echo 'install: install-lib-shared' >> config.mak
1271 if [ "$static" = "yes" ]; then
1272 echo 'default: lib-static' >> config.mak
1273 echo 'install: install-lib-static' >> config.mak
1276 if [ "$cli_libx264" = "system" ] ; then
1277 if [ "$shared" = "yes" ]; then
1278 CLI_LIBX264='$(SONAME)'
1279 elif ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
1280 LDFLAGSCLI="$LDFLAGSCLI $(${cross_prefix}pkg-config --libs x264)"
1283 die "Can not find system libx264"
1286 CLI_LIBX264='$(LIBX264)'
1288 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1289 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1291 ${SRCPATH}/version.sh "${SRCPATH}" >> x264_config.h
1293 cat > x264.pc << EOF
1295 exec_prefix=$exec_prefix
1297 includedir=$includedir
1300 Description: H.264 (MPEG4 AVC) encoder library
1301 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1302 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1303 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1304 Cflags: -I$includedir
1307 filters="crop select_every"
1309 [ $swscale = yes ] && filters="resize $filters"
1310 [ $gpl = yes ] && filters="$filters $gpl_filters"
1312 cat > conftest.log <<EOF
1316 libx264: $cli_libx264
1320 interlaced: $interlaced
1333 bit depth: $bit_depth
1334 chroma format: $chroma_format
1338 cat conftest.log >> config.log
1342 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1343 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1346 echo "You can run 'make' or 'make fprofiled' now."