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=
117 [[ "$arg" = -Qdiag-error* ]] && arg=
119 arg=${arg/pthreadGC/pthreadVC}
120 [ "$arg" = avifil32.lib ] && arg=vfw32.lib
121 [ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
122 [ "$arg" = x264.lib ] && arg=libx264.lib
124 [ -n "$arg" ] && echo -n "$arg "
130 if [ -z "$1$2" ]; then
131 log_check "whether $CC works"
132 elif [ -z "$1" ]; then
137 elif [ -z "$1" ]; then
139 log_check "whether $CC supports $3"
141 log_check "whether $CC supports $3 with $2"
144 log_check "for $3 in $1";
148 echo "#include <$arg>" >> conftest.c
150 echo "int main (void) { $3 return 0; }" >> conftest.c
151 if [ $compiler_style = MS ]; then
152 cc_cmd="$CC conftest.c $(cc_cflags $CFLAGS $CHECK_CFLAGS $2) -link $(cl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
154 cc_cmd="$CC conftest.c $CFLAGS $CHECK_CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
156 if $cc_cmd >conftest.log 2>&1; then
162 log_msg "Failed commandline was:"
163 log_msg "--------------------------------------------------"
165 cat conftest.log >> config.log
166 log_msg "--------------------------------------------------"
167 log_msg "Failed program was:"
168 log_msg "--------------------------------------------------"
169 cat conftest.c >> config.log
170 log_msg "--------------------------------------------------"
176 log_check "whether $3 is true"
179 echo "#include <$arg>" >> conftest.c
181 echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
182 if [ $compiler_style = MS ]; then
183 cpp_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -P"
185 cpp_cmd="$CC conftest.c $CFLAGS $2 -E -o conftest"
187 if $cpp_cmd >conftest.log 2>&1; then
193 log_msg "--------------------------------------------------"
194 cat conftest.log >> config.log
195 log_msg "--------------------------------------------------"
196 log_msg "Failed program was:"
197 log_msg "--------------------------------------------------"
198 cat conftest.c >> config.log
199 log_msg "--------------------------------------------------"
205 log_check "whether $AS supports $1"
206 echo "$1" > conftest$AS_EXT
207 as_cmd="$AS conftest$AS_EXT $ASFLAGS $2 -o conftest.o"
208 if $as_cmd >conftest.log 2>&1; then
214 log_msg "Failed commandline was:"
215 log_msg "--------------------------------------------------"
217 cat conftest.log >> config.log
218 log_msg "--------------------------------------------------"
219 log_msg "Failed program was:"
220 log_msg "--------------------------------------------------"
221 cat conftest$AS_EXT >> config.log
222 log_msg "--------------------------------------------------"
228 log_check "whether $RC works"
229 echo "$1" > conftest.rc
230 if [ $compiler = GNU ]; then
231 rc_cmd="$RC $RCFLAGS -o conftest.o conftest.rc"
233 rc_cmd="$RC $RCFLAGS -foconftest.o conftest.rc"
235 if $rc_cmd >conftest.log 2>&1; then
241 log_msg "Failed commandline was:"
242 log_msg "--------------------------------------------------"
244 cat conftest.log >> config.log
245 log_msg "--------------------------------------------------"
246 log_msg "Failed program was:"
247 log_msg "--------------------------------------------------"
248 cat conftest.rc >> config.log
249 log_msg "--------------------------------------------------"
255 echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
264 configure_system_override() {
265 log_check "system libx264 configuration"
266 x264_config_path="$1/x264_config.h"
267 if [ -e "$x264_config_path" ]; then
270 arg="$(grep '#define X264_GPL ' $x264_config_path | sed -e 's/#define X264_GPL *//; s/ *$//')"
271 if [ -n "$arg" ]; then
272 [ "$arg" = 0 ] && arg="no" || arg="yes"
273 [ "$arg" != "$gpl" ] && die "Incompatible license with system libx264"
275 arg="$(grep '#define X264_BIT_DEPTH ' $x264_config_path | sed -e 's/#define X264_BIT_DEPTH *//; s/ *$//')"
276 if [ -n "$arg" ]; then
277 if [ "$arg" != "$bit_depth" ]; then
278 echo "Override output bit depth with system libx264 configuration"
282 arg="$(grep '#define X264_CHROMA_FORMAT ' $x264_config_path | sed -e 's/#define X264_CHROMA_FORMAT *//; s/ *$//')"
283 if [ -n "$arg" ]; then
284 [ "$arg" = 0 ] && arg="all" || arg="${arg#X264_CSP_I}"
285 if [ "$arg" != "$chroma_format" ]; then
286 echo "Override output chroma format with system libx264 configuration"
290 arg="$(grep '#define X264_INTERLACED ' $x264_config_path | sed -e 's/#define X264_INTERLACED *//; s/ *$//')"
291 if [ -n "$arg" ]; then
292 [ "$arg" = 0 ] && arg="no" || arg="yes"
293 if [ "$arg" != "$interlaced" ]; then
294 echo "Override interlaced encoding support with system libx264 configuration"
301 log_msg "Failed search path was: $x264_config_path"
306 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
308 # Construct a path to the specified directory relative to the working directory
310 local base="${PWD%/}"
311 local path="$(cd "$1" >/dev/null; printf '%s/.' "${PWD%/}")"
314 while [[ $path != "$base/"* ]]; do
319 dirname "$up${path#"$base/"}"
322 SRCPATH="$(relative_path "$(dirname "$0")")"
323 echo "$SRCPATH" | grep -q ' ' && die "Out of tree builds are impossible with whitespace in source path."
324 [ -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."
327 exec_prefix='${prefix}'
328 bindir='${exec_prefix}/bin'
329 libdir='${exec_prefix}/lib'
330 includedir='${prefix}/include'
334 cli_libx264="internal"
358 CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
360 LDFLAGSCLI="$LDFLAGSCLI"
361 ASFLAGS="$ASFLAGS -I. -I\$(SRCPATH)"
372 # list of all preprocessor HAVE values we can define
373 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
374 LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER \
386 exec_prefix="$optarg"
412 --disable-interlaced)
434 ASFLAGS="$ASFLAGS $optarg"
437 CFLAGS="$CFLAGS $optarg"
440 LDFLAGS="$LDFLAGS $optarg"
443 RCFLAGS="$RCFLAGS $optarg"
448 --enable-win32thread)
459 LDFLAGS="$LDFLAGS -pg"
475 cross_prefix="$optarg"
478 CFLAGS="$CFLAGS --sysroot=$optarg"
479 LDFLAGS="$LDFLAGS --sysroot=$optarg"
483 if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
484 echo "Supplied bit depth must be in range [8,10]."
487 bit_depth=`expr $bit_depth + 0`
490 chroma_format="$optarg"
491 if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
492 echo "Supplied chroma format must be 420, 422, 444 or all."
497 echo "Unknown option $opt, ignored"
502 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
504 CC="${CC-${cross_prefix}gcc}"
505 AR="${AR-${cross_prefix}ar}"
506 RANLIB="${RANLIB-${cross_prefix}ranlib}"
507 STRIP="${STRIP-${cross_prefix}strip}"
508 INSTALL="${INSTALL-install}"
510 if [ "x$host" = x ]; then
511 host=`${SRCPATH}/config.guess`
513 # normalize a triplet into a quadruplet
514 host=`${SRCPATH}/config.sub $host`
517 host_cpu="${host%%-*}"
519 host_vendor="${host%%-*}"
522 trap 'rm -f conftest*' EXIT
524 # test for use of compilers that require specific handling
525 cc_base=`basename "$CC"`
527 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
528 if [[ "$cc_base" = icl || "$cc_base" = icl[\ .]* ]]; then
529 # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
530 [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
533 CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
535 `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
536 `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
537 cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
538 if cc_check '' -Qdiag-error:10006,10157 ; then
539 CHECK_CFLAGS="$CHECK_CFLAGS -Qdiag-error:10006,10157"
541 elif [[ "$cc_base" = cl || "$cc_base" = cl[\ .]* ]]; then
542 # Standard Microsoft Visual Studio
545 CFLAGS="$CFLAGS -nologo -DHAVE_STRING_H -I\$(SRCPATH)/extras"
546 `$CC 2>&1 | grep -q 'x86'` && host_cpu=i486
547 `$CC 2>&1 | grep -q 'x64'` && host_cpu=x86_64
548 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"
551 if [[ "$cc_base" = icc || "$cc_base" = icc[\ .]* ]]; then
557 if [[ "$cc_base" = clang || "$cc_base" = clang[\ .]* ]]; then
558 if cc_check '' -Werror=unknown-warning-option ; then
559 CHECK_CFLAGS="$CHECK_CFLAGS -Werror=unknown-warning-option"
572 if [ "$pic" = "no" ]; then
573 cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
605 if [ $compiler_style = GNU ] && cc_check "" -mno-cygwin; then
606 CFLAGS="$CFLAGS -mno-cygwin"
607 LDFLAGS="$LDFLAGS -mno-cygwin"
609 if cpp_check "" "" "defined(__CYGWIN__)" ; then
615 LDFLAGSCLI="$LDFLAGSCLI -lshell32"
616 RC="${RC-${cross_prefix}windres}"
623 LDFLAGSCLI="$LDFLAGSCLI -lshell32"
624 [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
630 if cc_check "" /usr/lib/64/values-xpg6.o; then
631 LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
633 LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
635 if test -x /usr/ucb/install ; then
636 INSTALL=/usr/ucb/install
637 elif test -x /usr/bin/ginstall ; then
639 INSTALL=/usr/bin/ginstall
640 elif test -x /usr/gnu/bin/install ; then
642 INSTALL=/usr/gnu/bin/install
651 CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
654 die "Unknown system $host, edit the configure"
658 LDFLAGS="$LDFLAGS $libm"
666 ASFLAGS="$ASFLAGS -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
667 if [ $compiler = GNU ]; then
668 if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
669 CFLAGS="$CFLAGS -march=i686"
671 if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
672 CFLAGS="$CFLAGS -mfpmath=sse -msse"
674 CFLAGS="-m32 $CFLAGS"
675 LDFLAGS="-m32 $LDFLAGS"
676 elif [ $compiler = ICC ]; then
677 # icc on linux has various degrees of mod16 stack support
678 if [ $SYS = LINUX ]; then
679 # < 11 is completely incapable of keeping a mod16 stack
680 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
682 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
683 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
684 CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
686 # >= 12 defaults to a mod16 stack
689 # always a mod4 stack
692 if [ "$SYS" = MACOSX ]; then
693 ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
694 elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
695 ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
696 LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
697 [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
698 [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
700 ASFLAGS="$ASFLAGS -f elf32"
707 ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
708 [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
709 if [ "$SYS" = MACOSX ]; then
710 ASFLAGS="$ASFLAGS -f macho64 -DPIC -DPREFIX"
711 if cc_check '' "-arch x86_64"; then
712 CFLAGS="$CFLAGS -arch x86_64"
713 LDFLAGS="$LDFLAGS -arch x86_64"
715 elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
716 ASFLAGS="$ASFLAGS -f win64"
717 # only the GNU toolchain is inconsistent in prefixing function names with _
718 [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
719 [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
720 [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
722 ASFLAGS="$ASFLAGS -f elf64"
727 if [ $asm = auto ] ; then
731 if [ $SYS = MACOSX ] ; then
732 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
734 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
735 define HAVE_ALTIVEC_H
749 if [ "$SYS" = MACOSX ] ; then
750 AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -- ${CC}}"
751 ASFLAGS="$ASFLAGS -DPREFIX -DPIC" # apple's ld doesn't support movw/movt relocations at all
752 # build for armv7 by default
753 if ! echo $CFLAGS | grep -Eq '\-arch' ; then
754 CFLAGS="$CFLAGS -arch armv7"
755 LDFLAGS="$LDFLAGS -arch armv7"
763 if [ "$SYS" = MACOSX ] ; then
764 AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
765 ASFLAGS="$ASFLAGS -DPREFIX"
783 ARCH="$(echo $host_cpu | tr a-z A-Z)"
787 if [ $SYS = WINDOWS ]; then
788 if ! rc_check "0 RCDATA {0}" ; then
793 log_msg "x264 configure script"
795 msg="Command line options:"
805 cc_check || die "No working C compiler found."
807 if [ $compiler_style = GNU ]; then
808 if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
809 CFLAGS="$CFLAGS -std=gnu99"
810 elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
811 CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
812 elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
813 die "C99 compiler is needed for compilation."
817 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
821 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
822 if ! as_check "vpmovzxwd ymm0, xmm0" ; then
823 VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
825 echo "Minimum version is yasm-1.2.0"
826 echo "If you really want to compile without asm, configure with --disable-asm."
829 cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
830 ASFLAGS="$ASFLAGS -Worphan-labels"
832 if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
833 CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
838 if [ $asm = auto -a $ARCH = ARM ] ; then
839 # set flags so neon is built by default
840 echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
842 if cc_check '' '' '__asm__("rev ip, ip");' ; then define HAVE_ARMV6
843 cc_check '' '' '__asm__("movt r0, #0");' && define HAVE_ARMV6T2
844 cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
845 ASFLAGS="$ASFLAGS -c"
847 echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
848 echo "If you really want to run on such a CPU, configure with --disable-asm."
853 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
854 if cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
855 ASFLAGS="$ASFLAGS -c"
857 echo "no NEON support, try adding -mfpu=neon to CFLAGS"
858 echo "If you really want to run on such a CPU, configure with --disable-asm."
863 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
864 # check if the assembler supports '.func' (clang 3.5 does not)
865 as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
868 if [ $asm = auto -a $ARCH = MIPS ] ; then
869 if ! echo $CFLAGS | grep -Eq '(-march|-mmsa|-mno-msa)' ; then
870 cc_check '' '-mmsa -mfp64 -mhard-float' && CFLAGS="-mmsa -mfp64 -mhard-float $CFLAGS"
873 if cc_check '' '' '__asm__("addvi.b $w0, $w1, 1");' ; then
876 echo "You specified a pre-MSA CPU in your CFLAGS."
877 echo "If you really want to run on such a CPU, configure with --disable-asm."
882 [ $asm = no ] && AS=""
883 [ "x$AS" = x ] && asm="no" || asm="yes"
888 define STACK_ALIGNMENT $stack_alignment
889 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
891 # 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
892 CPU_ENDIAN="little-endian"
893 if [ $compiler = GNU ]; then
894 echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
895 $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
896 if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
897 define WORDS_BIGENDIAN
898 CPU_ENDIAN="big-endian"
899 elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
900 die "endian test failed"
904 if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
905 [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
906 if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
907 X264_LIBS="$(${cross_prefix}pkg-config --libs x264)"
908 X264_INCLUDE_DIR="${X264_INCLUDE_DIR-$(${cross_prefix}pkg-config --variable=includedir x264)}"
909 configure_system_override "$X264_INCLUDE_DIR" || die "Detection of system libx264 configuration failed"
911 die "Can not find system libx264"
915 # autodetect options that weren't forced nor disabled
917 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
918 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
921 if [ "$thread" = "auto" ]; then
926 define HAVE_BEOSTHREAD
929 if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
931 libpthread="-lpthread"
932 elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
934 libpthread="-lpthreadGC2"
935 elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
937 libpthread="-lpthreadGC2 -lwsock32"
938 define PTW32_STATIC_LIB
939 elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
941 libpthread="-lpthreadGC2 -lws2_32"
942 define PTW32_STATIC_LIB
944 # default to native threading if pthread-win32 is unavailable
949 cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
952 if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
954 libpthread="-lpthread"
956 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
961 if [ "$thread" = "posix" ]; then
962 LDFLAGS="$LDFLAGS $libpthread"
963 define HAVE_POSIXTHREAD
964 if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
965 define HAVE_CPU_COUNT
968 if [ "$thread" = "win32" ]; then
969 # cygwin does not support win32 threads
970 if [ "$SYS" = "WINDOWS" ]; then
971 define HAVE_WIN32THREAD
976 [ "$thread" != "no" ] && define HAVE_THREAD
978 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
982 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
986 if [ "$swscale" = "auto" ] ; then
988 if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
989 SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
990 SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
992 [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
994 if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
995 if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
998 echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
1003 if [ "$lavf" = "auto" ] ; then
1005 if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
1006 LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
1007 LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
1009 if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
1010 LAVF_LIBS="-lavformat"
1011 for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
1012 cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
1015 LAVF_LIBS="-L. $LAVF_LIBS"
1016 if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "av_frame_free(0);" ; then
1017 if [ "$swscale" = "yes" ]; then
1020 echo "Warning: libavformat is not supported without swscale support"
1025 if [ "$ffms" = "auto" ] ; then
1026 ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
1029 if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
1030 FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
1031 FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
1033 [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
1035 if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1037 elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1039 FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
1042 error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
1043 if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
1045 echo "Warning: $error"
1047 if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
1048 echo "Warning: ffms is not supported without swscale support"
1053 if [ "$swscale" = "yes" ]; then
1054 LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
1055 CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
1057 if [ "$lavf" = "yes" ]; then
1058 LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
1059 CFLAGS="$CFLAGS $LAVF_CFLAGS"
1062 if [ "$ffms" = "yes" ]; then
1063 LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
1064 CFLAGS="$CFLAGS $FFMS2_CFLAGS"
1069 if [ "$lsmash" = "auto" ] ; then
1071 if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
1072 LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
1073 LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
1075 [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
1077 if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
1078 if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
1081 echo "Warning: lsmash is too old, update to rev.895 or later"
1086 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1088 GPAC_LIBS="-lgpac_static"
1089 cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1090 if [ "$SYS" = "WINDOWS" ] ; then
1091 cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1092 cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1094 if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1095 if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1098 echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1103 if [ "$lsmash" = "yes" ] ; then
1105 LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1106 CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1108 elif [ "$gpac" = "yes" ] ; then
1111 LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1114 if [ "$avs" = "auto" ] ; then
1116 # cygwin can use avisynth if it can use LoadLibrary
1117 if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1120 define USE_AVXSYNTH 0
1121 elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1122 # AvxSynth currently only supports Linux and OSX
1125 define USE_AVXSYNTH 1
1127 LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1131 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1133 if [ "$pic" = "yes" ] ; then
1134 [ "$SYS" != WINDOWS -a "$SYS" != CYGWIN ] && CFLAGS="$CFLAGS -fPIC"
1135 ASFLAGS="$ASFLAGS -DPIC"
1136 # resolve textrels in the x86 asm
1137 cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1138 [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1141 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1142 CFLAGS="$CFLAGS -fomit-frame-pointer"
1145 if [ "$strip" = "yes" ]; then
1146 LDFLAGS="$LDFLAGS -s"
1149 if [ "$debug" = "yes" ]; then
1150 CFLAGS="-O1 -g $CFLAGS"
1152 CFLAGS="-O3 -ffast-math $CFLAGS"
1155 if cc_check '' -fno-tree-vectorize ; then
1156 CFLAGS="$CFLAGS -fno-tree-vectorize"
1159 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1160 # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1161 cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1164 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1167 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1168 define fseek fseeko64
1169 define ftell ftello64
1170 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1171 define fseek _fseeki64
1172 define ftell _ftelli64
1175 if cc_check '' -Wshadow ; then
1176 CFLAGS="-Wshadow $CFLAGS"
1179 if cc_check '' -Wmaybe-uninitialized ; then
1180 CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1183 if [ $compiler = ICC -o $compiler = ICL ] ; then
1184 if cc_check 'extras/intel_dispatcher.h' '' 'x264_intel_dispatcher_override();' ; then
1185 define HAVE_INTEL_DISPATCHER
1189 if [ "$bit_depth" -gt "8" ]; then
1190 define HIGH_BIT_DEPTH
1191 ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1194 ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1197 if [ "$chroma_format" != "all" ]; then
1198 define CHROMA_FORMAT CHROMA_$chroma_format
1201 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1203 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1205 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1208 if [ "$opencl" = "yes" ]; then
1210 # cygwin can use opencl if it can use LoadLibrary
1211 if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1214 elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1219 LDFLAGS="$LDFLAGS $libdl"
1222 #define undefined vars as 0
1223 for var in $CONFIG_HAVE; do
1224 grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1227 # generate exported config file
1229 config_chroma_format="X264_CSP_I$chroma_format"
1230 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1231 cat > x264_config.h << EOF
1232 #define X264_BIT_DEPTH $bit_depth
1233 #define X264_GPL $x264_gpl
1234 #define X264_INTERLACED $x264_interlaced
1235 #define X264_CHROMA_FORMAT $config_chroma_format
1238 ${SRCPATH}/version.sh >> x264_config.h
1240 if [ "$cli_libx264" = "system" ] ; then
1241 if [ "$shared" = "yes" ]; then
1242 CLI_LIBX264='$(SONAME)'
1245 LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
1246 cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
1249 CLI_LIBX264='$(LIBX264)'
1254 if [ $compiler_style = MS ]; then
1255 AR="lib -nologo -out:"
1257 if [ $compiler = ICL ]; then
1261 mslink="$(dirname "$(command -v cl 2>/dev/null)")/link"
1262 [ -x "$mslink" ] && LD="\"$mslink\" -out:"
1265 LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1266 LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1269 [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1271 if [ $debug = yes ]; then
1272 LDFLAGS="-debug $LDFLAGS"
1273 CFLAGS="-D_DEBUG $CFLAGS"
1275 CFLAGS="-DNDEBUG $CFLAGS"
1282 [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1284 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1285 if [ $compiler = ICC -o $compiler = ICL ]; then
1286 # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1287 [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1288 PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1290 PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1292 elif [ $compiler = CL ]; then
1294 # _M_IX86_FP is only defined on x86
1295 [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1296 [ $ARCH = X86_64 ] && define __SSE__
1297 # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1298 # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1300 PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1302 PROF_USE_LD="-LTCG:PGOPTIMIZE"
1304 PROF_GEN_CC="-fprofile-generate"
1305 PROF_GEN_LD="-fprofile-generate"
1306 PROF_USE_CC="-fprofile-use"
1307 PROF_USE_LD="-fprofile-use"
1310 # generate config files
1312 cat > config.mak << EOF
1315 exec_prefix=$exec_prefix
1318 includedir=$includedir
1324 COMPILER_STYLE=$compiler_style
1339 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1341 PROF_GEN_CC=$PROF_GEN_CC
1342 PROF_GEN_LD=$PROF_GEN_LD
1343 PROF_USE_CC=$PROF_USE_CC
1344 PROF_USE_LD=$PROF_USE_LD
1348 if [ $compiler_style = MS ]; then
1349 echo '%.o: %.c' >> config.mak
1350 echo ' $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1353 if [ "$cli" = "yes" ]; then
1354 echo 'default: cli' >> config.mak
1355 echo 'install: install-cli' >> config.mak
1358 if [ "$shared" = "yes" ]; then
1359 API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1360 if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1361 echo "SONAME=libx264-$API.dll" >> config.mak
1362 if [ $compiler_style = MS ]; then
1363 echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1364 # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1365 # 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
1366 echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1367 echo "EXPORTS" > x264.def
1368 # export API functions
1369 grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1370 # export API variables/data. must be flagged with the DATA keyword
1371 grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1373 echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1374 echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1376 elif [ "$SYS" = "MACOSX" ]; then
1377 echo "SOSUFFIX=dylib" >> config.mak
1378 echo "SONAME=libx264.$API.dylib" >> config.mak
1379 echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1380 elif [ "$SYS" = "SunOS" ]; then
1381 echo "SOSUFFIX=so" >> config.mak
1382 echo "SONAME=libx264.so.$API" >> config.mak
1383 echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1385 echo "SOSUFFIX=so" >> config.mak
1386 echo "SONAME=libx264.so.$API" >> config.mak
1387 echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1389 echo 'default: lib-shared' >> config.mak
1390 echo 'install: install-lib-shared' >> config.mak
1393 if [ "$static" = "yes" ]; then
1394 echo 'default: lib-static' >> config.mak
1395 echo 'install: install-lib-static' >> config.mak
1398 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1399 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1401 cat > x264.pc << EOF
1403 exec_prefix=$exec_prefix
1405 includedir=$includedir
1408 Description: H.264 (MPEG4 AVC) encoder library
1409 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1410 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1411 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1412 Cflags: -I$includedir
1415 filters="crop select_every"
1417 [ $swscale = yes ] && filters="resize $filters"
1418 [ $gpl = yes ] && filters="$filters $gpl_filters"
1420 cat > conftest.log <<EOF
1422 byte order: $CPU_ENDIAN
1425 libx264: $cli_libx264
1429 interlaced: $interlaced
1442 bit depth: $bit_depth
1443 chroma format: $chroma_format
1447 cat conftest.log >> config.log
1450 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1451 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1454 echo "You can run 'make' or 'make fprofiled' now."