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 --disable-win32thread disable 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 $optarg"
449 --disable-win32thread)
450 [ "$thread" != "no" ] && thread="posix"
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"
604 cygwin*|mingw*|msys*)
606 if [[ $host_os = cygwin* ]] && cpp_check "" "" "defined(__CYGWIN__)" ; then
612 LDFLAGSCLI="$LDFLAGSCLI -lshell32"
613 [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
620 if cc_check "" /usr/lib/64/values-xpg6.o; then
621 LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
623 LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
625 if test -x /usr/ucb/install ; then
626 INSTALL=/usr/ucb/install
627 elif test -x /usr/bin/ginstall ; then
629 INSTALL=/usr/bin/ginstall
630 elif test -x /usr/gnu/bin/install ; then
632 INSTALL=/usr/gnu/bin/install
641 CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
647 die "Unknown system $host, edit the configure"
651 LDFLAGS="$LDFLAGS $libm"
659 ASFLAGS="$ASFLAGS -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
660 if [ $compiler = GNU ]; then
661 if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
662 CFLAGS="$CFLAGS -march=i686"
664 if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
665 CFLAGS="$CFLAGS -mfpmath=sse -msse -msse2"
667 CFLAGS="-m32 $CFLAGS"
668 LDFLAGS="-m32 $LDFLAGS"
670 if [ "$SYS" = MACOSX ]; then
671 ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
672 elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
673 ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
674 LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
675 [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
676 [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
678 ASFLAGS="$ASFLAGS -f elf32"
685 ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
687 [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
688 if [ "$SYS" = MACOSX ]; then
689 ASFLAGS="$ASFLAGS -f macho64 -DPIC -DPREFIX"
690 if cc_check '' "-arch x86_64"; then
691 CFLAGS="$CFLAGS -arch x86_64"
692 LDFLAGS="$LDFLAGS -arch x86_64"
694 elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
695 ASFLAGS="$ASFLAGS -f win64"
696 # only the GNU toolchain is inconsistent in prefixing function names with _
697 [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
698 [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
699 [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
701 ASFLAGS="$ASFLAGS -f elf64"
706 if [ $asm = auto ] ; then
710 if [ $SYS = MACOSX ] ; then
711 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
713 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
714 define HAVE_ALTIVEC_H
728 if [ "$SYS" = MACOSX ] ; then
729 AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -- ${CC}}"
730 ASFLAGS="$ASFLAGS -DPREFIX -DPIC" # apple's ld doesn't support movw/movt relocations at all
731 # build for armv7 by default
732 if ! echo $CFLAGS | grep -Eq '\-arch' ; then
733 CFLAGS="$CFLAGS -arch armv7"
734 LDFLAGS="$LDFLAGS -arch armv7"
743 if [ "$SYS" = MACOSX ] ; then
744 AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
745 ASFLAGS="$ASFLAGS -DPREFIX"
763 ARCH="$(echo $host_cpu | tr a-z A-Z)"
767 if [ $SYS = WINDOWS ]; then
768 if ! rc_check "0 RCDATA {0}" ; then
772 if cpp_check "winapifamily.h" "" "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" ; then
773 [ $compiler = CL ] || die "WinRT requires MSVC"
776 LDFLAGS="$LDFLAGS -appcontainer"
777 if ! cpp_check "" "" "defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0603" ; then
778 die "_WIN32_WINNT must be defined to at least 0x0603 (Windows 8.1) for WinRT"
779 elif cpp_check "" "" "_WIN32_WINNT >= 0x0A00" ; then
780 # Universal Windows Platform (Windows 10)
781 LDFLAGS="$LDFLAGS -lWindowsApp"
788 log_msg "x264 configure script"
790 msg="Command line options:"
800 cc_check || die "No working C compiler found."
802 if [ $compiler_style = GNU ]; then
803 if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
804 CFLAGS="$CFLAGS -std=gnu99"
805 elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
806 CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
807 elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
808 die "C99 compiler is needed for compilation."
812 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
816 if [ $compiler = GNU -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
817 if cc_check '' -mpreferred-stack-boundary=5 ; then
818 CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
820 elif [ $stack_alignment -lt 16 ] && cc_check '' -mpreferred-stack-boundary=4 ; then
821 CFLAGS="$CFLAGS -mpreferred-stack-boundary=4"
824 elif [ $compiler = ICC -a $ARCH = X86 ]; then
825 # icc on linux has various degrees of mod16 stack support
826 if [ $SYS = LINUX ]; then
827 # >= 12 defaults to a mod16 stack
828 if cpp_check "" "" "__INTEL_COMPILER >= 1200" ; then
830 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
831 elif cpp_check "" "" "__INTEL_COMPILER >= 1100" ; then
832 CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
835 # < 11 is completely incapable of keeping a mod16 stack
839 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
840 if ! as_check "vpmovzxwd ymm0, xmm0" ; then
841 VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
843 echo "Minimum version is yasm-1.2.0"
844 echo "If you really want to compile without asm, configure with --disable-asm."
847 cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
848 ASFLAGS="$ASFLAGS -Worphan-labels"
852 if [ $asm = auto -a $ARCH = ARM ] ; then
853 # set flags so neon is built by default
854 echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
856 if cc_check '' '' '__asm__("rev ip, ip");' ; then define HAVE_ARMV6
857 cc_check '' '' '__asm__("movt r0, #0");' && define HAVE_ARMV6T2
858 cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
859 ASFLAGS="$ASFLAGS -c"
861 echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
862 echo "If you really want to run on such a CPU, configure with --disable-asm."
867 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
868 if cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
869 ASFLAGS="$ASFLAGS -c"
871 echo "no NEON support, try adding -mfpu=neon to CFLAGS"
872 echo "If you really want to run on such a CPU, configure with --disable-asm."
877 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
878 # check if the assembler supports '.func' (clang 3.5 does not)
879 as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
882 if [ $asm = auto -a $ARCH = MIPS ] ; then
883 if ! echo $CFLAGS | grep -Eq '(-march|-mmsa|-mno-msa)' ; then
884 cc_check '' '-mmsa -mfp64 -mhard-float' && CFLAGS="-mmsa -mfp64 -mhard-float $CFLAGS"
887 if cc_check '' '' '__asm__("addvi.b $w0, $w1, 1");' ; then
890 echo "You specified a pre-MSA CPU in your CFLAGS."
891 echo "If you really want to run on such a CPU, configure with --disable-asm."
896 [ $asm = no ] && AS=""
897 [ "x$AS" = x ] && asm="no" || asm="yes"
902 define STACK_ALIGNMENT $stack_alignment
903 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
905 # 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
906 CPU_ENDIAN="little-endian"
907 if [ $compiler = GNU ]; then
908 echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
909 $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
910 if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
911 define WORDS_BIGENDIAN
912 CPU_ENDIAN="big-endian"
913 elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
914 die "endian test failed"
918 if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
919 [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
920 if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
921 X264_LIBS="$(${cross_prefix}pkg-config --libs x264)"
922 X264_INCLUDE_DIR="${X264_INCLUDE_DIR-$(${cross_prefix}pkg-config --variable=includedir x264)}"
923 configure_system_override "$X264_INCLUDE_DIR" || die "Detection of system libx264 configuration failed"
925 die "Can not find system libx264"
929 # autodetect options that weren't forced nor disabled
932 if [ "$SYS" = "WINDOWS" -a "$thread" = "posix" ] ; then
933 if [ "$gpl" = "no" ] ; then
934 echo "Warning: pthread-win32 is LGPL and is therefore not supported with --disable-gpl"
936 elif cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
937 libpthread="-lpthread"
938 elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
939 libpthread="-lpthreadGC2"
940 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
944 libpthread="-lpthreadGC2 -lws2_32"
945 define PTW32_STATIC_LIB
949 elif [ "$thread" != "no" ] ; then
954 define HAVE_BEOSTHREAD
958 define HAVE_WIN32THREAD
961 cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
964 if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
966 libpthread="-lpthread"
968 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
973 if [ "$thread" = "posix" ]; then
974 LDFLAGS="$LDFLAGS $libpthread"
975 define HAVE_POSIXTHREAD
976 if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
977 define HAVE_CPU_COUNT
980 [ "$thread" != "no" ] && define HAVE_THREAD
982 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
986 if [ "$SYS" != "WINDOWS" ] && cpp_check "sys/mman.h unistd.h" "" "defined(MAP_PRIVATE)"; then
990 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
994 if [ "$cli" = "no" ] ; then
1004 if [ "$swscale" = "auto" ] ; then
1006 if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
1007 SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
1008 SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
1010 [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
1012 if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
1013 if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
1016 echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
1021 if [ "$lavf" = "auto" ] ; then
1023 if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
1024 LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
1025 LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
1027 if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
1028 LAVF_LIBS="-lavformat"
1029 for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
1030 cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
1033 LAVF_LIBS="-L. $LAVF_LIBS"
1034 if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "av_frame_free(0);" ; then
1035 if [ "$swscale" = "yes" ]; then
1038 echo "Warning: libavformat is not supported without swscale support"
1043 if [ "$ffms" = "auto" ] ; then
1044 ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
1047 if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
1048 FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
1049 FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
1051 [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
1053 if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1055 elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1057 FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
1060 error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
1061 if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
1063 echo "Warning: $error"
1065 if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
1066 echo "Warning: ffms is not supported without swscale support"
1071 if [ "$swscale" = "yes" ]; then
1072 LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
1073 CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
1075 if [ "$lavf" = "yes" ]; then
1076 LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
1077 CFLAGS="$CFLAGS $LAVF_CFLAGS"
1080 if [ "$ffms" = "yes" ]; then
1081 LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
1082 CFLAGS="$CFLAGS $FFMS2_CFLAGS"
1087 if [ "$lsmash" = "auto" ] ; then
1089 if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
1090 LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
1091 LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
1093 [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
1095 if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
1096 if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
1099 echo "Warning: lsmash is too old, update to rev.895 or later"
1104 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1106 GPAC_LIBS="-lgpac_static"
1107 cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1108 if [ "$SYS" = "WINDOWS" ] ; then
1109 cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1110 cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1112 if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1113 if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1116 echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1121 if [ "$lsmash" = "yes" ] ; then
1123 LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1124 CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1126 elif [ "$gpac" = "yes" ] ; then
1129 LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1132 if [ "$avs" = "auto" ] ; then
1134 # cygwin can use avisynth if it can use LoadLibrary
1135 if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1138 define USE_AVXSYNTH 0
1139 elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1140 # AvxSynth currently only supports Linux and OSX
1143 define USE_AVXSYNTH 1
1145 LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1149 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1151 if [ "$pic" = "yes" ] ; then
1152 [ "$SYS" != WINDOWS -a "$SYS" != CYGWIN ] && CFLAGS="$CFLAGS -fPIC"
1153 ASFLAGS="$ASFLAGS -DPIC"
1154 # resolve textrels in the x86 asm
1155 cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1156 [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1159 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1160 CFLAGS="$CFLAGS -fomit-frame-pointer"
1163 if [ "$strip" = "yes" ]; then
1164 LDFLAGS="$LDFLAGS -s"
1167 if [ "$debug" = "yes" ]; then
1168 CFLAGS="-O1 -g $CFLAGS"
1170 CFLAGS="-O3 -ffast-math $CFLAGS"
1173 if cc_check '' -fno-tree-vectorize ; then
1174 CFLAGS="$CFLAGS -fno-tree-vectorize"
1177 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1178 # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1179 cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1182 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1185 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1186 define fseek fseeko64
1187 define ftell ftello64
1188 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1189 define fseek _fseeki64
1190 define ftell _ftelli64
1193 if cc_check '' -Wshadow ; then
1194 CFLAGS="-Wshadow $CFLAGS"
1197 if cc_check '' -Wmaybe-uninitialized ; then
1198 CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1201 if [ $compiler = ICC -o $compiler = ICL ] ; then
1202 if cc_check 'extras/intel_dispatcher.h' '' 'x264_intel_dispatcher_override();' ; then
1203 define HAVE_INTEL_DISPATCHER
1207 if [ "$bit_depth" -gt "8" ]; then
1208 define HIGH_BIT_DEPTH
1209 ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1212 ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1215 if [ "$chroma_format" != "all" ]; then
1216 define CHROMA_FORMAT CHROMA_$chroma_format
1219 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1221 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1223 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1226 if [ "$opencl" = "yes" ]; then
1228 # cygwin can use opencl if it can use LoadLibrary
1229 if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1232 elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1237 LDFLAGS="$LDFLAGS $libdl"
1240 #define undefined vars as 0
1241 for var in $CONFIG_HAVE; do
1242 grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1245 # generate exported config file
1247 config_chroma_format="X264_CSP_I$chroma_format"
1248 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1249 cat > x264_config.h << EOF
1250 #define X264_BIT_DEPTH $bit_depth
1251 #define X264_GPL $x264_gpl
1252 #define X264_INTERLACED $x264_interlaced
1253 #define X264_CHROMA_FORMAT $config_chroma_format
1256 ${SRCPATH}/version.sh >> x264_config.h
1258 if [ "$cli_libx264" = "system" ] ; then
1259 if [ "$shared" = "yes" ]; then
1260 CLI_LIBX264='$(SONAME)'
1263 LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
1264 cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
1267 CLI_LIBX264='$(LIBX264)'
1272 if [ $compiler_style = MS ]; then
1273 AR="lib -nologo -out:"
1275 if [ $compiler = ICL ]; then
1279 mslink="$(dirname "$(command -v cl 2>/dev/null)")/link"
1280 [ -x "$mslink" ] && LD="\"$mslink\" -out:"
1283 LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1284 LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1287 [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1289 if [ $debug = yes ]; then
1290 LDFLAGS="-debug $LDFLAGS"
1291 CFLAGS="-D_DEBUG $CFLAGS"
1293 CFLAGS="-DNDEBUG $CFLAGS"
1300 [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1302 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1303 if [ $compiler = ICC -o $compiler = ICL ]; then
1304 # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1305 [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1306 PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1308 PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1310 elif [ $compiler = CL ]; then
1312 # _M_IX86_FP is only defined on x86
1313 [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1314 [ $ARCH = X86_64 ] && define __SSE__
1315 # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1316 # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1318 PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1320 PROF_USE_LD="-LTCG:PGOPTIMIZE"
1322 PROF_GEN_CC="-fprofile-generate"
1323 PROF_GEN_LD="-fprofile-generate"
1324 PROF_USE_CC="-fprofile-use"
1325 PROF_USE_LD="-fprofile-use"
1328 # generate config files
1330 cat > config.mak << EOF
1333 exec_prefix=$exec_prefix
1336 includedir=$includedir
1342 COMPILER_STYLE=$compiler_style
1357 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1359 PROF_GEN_CC=$PROF_GEN_CC
1360 PROF_GEN_LD=$PROF_GEN_LD
1361 PROF_USE_CC=$PROF_USE_CC
1362 PROF_USE_LD=$PROF_USE_LD
1366 if [ $compiler_style = MS ]; then
1367 echo '%.o: %.c' >> config.mak
1368 echo ' $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1371 if [ "$cli" = "yes" ]; then
1372 echo 'default: cli' >> config.mak
1373 echo 'install: install-cli' >> config.mak
1376 if [ "$shared" = "yes" ]; then
1377 API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1378 if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1379 echo "SONAME=libx264-$API.dll" >> config.mak
1380 if [ $compiler_style = MS ]; then
1381 echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1382 # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1383 # 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
1384 echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1385 echo "EXPORTS" > x264.def
1386 # export API functions
1387 grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1388 # export API variables/data. must be flagged with the DATA keyword
1389 grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1391 echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1392 echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1394 elif [ "$SYS" = "MACOSX" ]; then
1395 echo "SOSUFFIX=dylib" >> config.mak
1396 echo "SONAME=libx264.$API.dylib" >> config.mak
1397 echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1398 elif [ "$SYS" = "SunOS" ]; then
1399 echo "SOSUFFIX=so" >> config.mak
1400 echo "SONAME=libx264.so.$API" >> config.mak
1401 echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1403 echo "SOSUFFIX=so" >> config.mak
1404 echo "SONAME=libx264.so.$API" >> config.mak
1405 echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1407 echo 'default: lib-shared' >> config.mak
1408 echo 'install: install-lib-shared' >> config.mak
1411 if [ "$static" = "yes" ]; then
1412 echo 'default: lib-static' >> config.mak
1413 echo 'install: install-lib-static' >> config.mak
1416 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1417 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1419 cat > x264.pc << EOF
1421 exec_prefix=$exec_prefix
1423 includedir=$includedir
1426 Description: H.264 (MPEG4 AVC) encoder library
1427 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1428 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1429 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1430 Cflags: -I$includedir
1433 filters="crop select_every"
1435 [ $swscale = yes ] && filters="resize $filters"
1436 [ $gpl = yes ] && filters="$filters $gpl_filters"
1438 cat > conftest.log <<EOF
1440 byte order: $CPU_ENDIAN
1443 libx264: $cli_libx264
1447 interlaced: $interlaced
1460 bit depth: $bit_depth
1461 chroma format: $chroma_format
1465 cat conftest.log >> config.log
1468 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1469 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1472 echo "You can run 'make' or 'make fprofiled' now."