3 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
5 Usage: ./configure [options]
9 --help print this message
10 --disable-avs disables avisynth support (windows only)
11 --disable-lavf disables libavformat support
12 --disable-ffms disables ffmpegsource support
13 --disable-gpac disables gpac support
14 --disable-gpl disables GPL-only features
15 --disable-thread disables multithreaded encoding
16 --enable-win32thread use win32threads (windows only)
17 --disable-swscale disables swscale support
18 --disable-asm disables platform-specific assembly optimizations
19 --enable-debug adds -g, doesn't strip
20 --enable-gprof adds -pg, doesn't strip
21 --enable-visualize enables visualization (X11 only)
22 --enable-pic build position-independent code
23 --enable-shared build shared library
24 --bit-depth=BIT_DEPTH sets output bit depth (8-10), default 8
25 --extra-asflags=EASFLAGS add EASFLAGS to ASFLAGS
26 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS
27 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS
28 --host=HOST build programs to run on HOST
29 --cross-prefix=PREFIX use PREFIX for compilation tools
30 --sysroot=SYSROOT root of cross-build tree
37 echo -n "checking $1... " >> config.log
41 echo "yes" >> config.log
45 echo "no" >> config.log
49 echo "$1" >> config.log
53 # Intel Compiler issues an incredibly large number of warnings on any warning level,
54 # suppress them by disabling all warnings rather than having to use #pragmas to disable most of them
56 [ $arg = -ffast-math ] && arg=
57 [[ "$arg" = -falign-loops* ]] && arg=
58 [ "$arg" = -fno-tree-vectorize ] && arg=
59 [ "$arg" = -Wshadow ] && arg=
60 if [ $compiler = ICL ]; then
61 [ "$arg" = -Wall ] && arg=-W0
62 [ "$arg" = -g ] && arg=-Z7
63 [ "$arg" = -fomit-frame-pointer ] && arg=
64 [ "$arg" = -s ] && arg=
65 [ "$arg" = -fPIC ] && arg=
67 [ "$arg" = -Wall ] && arg=-w0
70 # Intel Compiler on Mac OS X does not allow pre -msse3
71 [ $SYS = MACOSX -a \( "$arg" = -mia32 -o "$arg" = -msse -o "$arg" = -msse2 \) ] && arg=
72 [ -n "$arg" ] && echo -n "$arg "
78 arg=${arg/LIBPATH/libpath}
79 [ ${arg#-libpath:} == $arg -a ${arg#-l} != $arg ] && arg=${arg#-l}.lib
80 [ ${arg#-L} != $arg ] && arg=-libpath:${arg#-L}
81 [ $arg = -Wl,--large-address-aware ] && arg=-largeaddressaware
83 [ "$arg" = -Wl,-Bsymbolic ] && arg=
85 arg=${arg/pthreadGC/pthreadVC}
86 [ "$arg" = avifil32.lib ] && arg=vfw32.lib
87 [ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
89 [ -n "$arg" ] && echo -n "$arg "
95 if [ -z "$1$2" ]; then
96 log_check "whether $CC works"
97 elif [ -z "$1" ]; then
102 elif [ -z "$1" ]; then
104 log_check "whether $CC supports $3"
106 log_check "whether $CC supports $3 with $2"
109 log_check "for $3 in $1";
112 [ -n "$1" ] && echo "#include <$1>" > conftest.c
113 echo "int main () { $3 return 0; }" >> conftest.c
114 if [ $compiler = ICL ]; then
115 cc_cmd="$CC conftest.c $CFLAGS $2 -link $(icl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
117 cc_cmd="$CC conftest.c $CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
119 if $cc_cmd >conftest.log 2>&1; then
125 log_msg "Failed commandline was:"
126 log_msg "--------------------------------------------------"
128 cat conftest.log >> config.log
129 log_msg "--------------------------------------------------"
130 log_msg "Failed program was:"
131 log_msg "--------------------------------------------------"
132 cat conftest.c >> config.log
133 log_msg "--------------------------------------------------"
139 log_check "whether $3 is true"
141 [ -n "$1" ] && echo "#include <$1>" > conftest.c
142 echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
144 if $CC conftest.c $CFLAGS $2 -E -o conftest >conftest.log 2>&1; then
150 log_msg "--------------------------------------------------"
151 cat conftest.log >> config.log
152 log_msg "--------------------------------------------------"
153 log_msg "Failed program was:"
154 log_msg "--------------------------------------------------"
155 cat conftest.c >> config.log
156 log_msg "--------------------------------------------------"
162 log_check "whether $AS supports $1"
163 echo "$1" > conftest.asm
164 if $AS conftest.asm $ASFLAGS $2 -o conftest.o >conftest.log 2>&1; then
170 log_msg "Failed commandline was:"
171 log_msg "--------------------------------------------------"
172 log_msg "$AS conftest.asm $ASFLAGS $2 -o conftest.o"
173 cat conftest.log >> config.log
174 log_msg "--------------------------------------------------"
175 log_msg "Failed program was:"
176 log_msg "--------------------------------------------------"
177 cat conftest.asm >> config.log
178 log_msg "--------------------------------------------------"
184 echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
193 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
196 exec_prefix='${prefix}'
197 bindir='${exec_prefix}/bin'
198 libdir='${exec_prefix}/lib'
199 includedir='${prefix}/include'
218 CFLAGS="$CFLAGS -Wall -I."
220 LDFLAGSCLI="$LDFLAGSCLI"
227 # list of all preprocessor HAVE values we can define
228 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F VISUALIZE SWSCALE LAVF FFMS GPAC GF_MALLOC AVS GPL"
239 exec_prefix="$optarg"
269 ASFLAGS="$ASFLAGS ${opt#--extra-asflags=}"
272 CFLAGS="$CFLAGS ${opt#--extra-cflags=}"
275 LDFLAGS="$LDFLAGS ${opt#--extra-ldflags=}"
280 --enable-win32thread)
291 LDFLAGS="$LDFLAGS -pg"
304 host="${opt#--host=}"
307 cross_prefix="${opt#--cross-prefix=}"
310 CFLAGS="$CFLAGS --sysroot=${opt#--sysroot=}"
311 LDFLAGS="$LDFLAGS --sysroot=${opt#--sysroot=}"
314 bit_depth="${opt#--bit-depth=}"
315 if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
316 echo "Supplied bit depth must be in range [8,10]."
319 bit_depth=`expr $bit_depth + 0`
322 echo "Unknown option $opt, ignored"
327 CC="${CC-${cross_prefix}gcc}"
328 AR="${AR-${cross_prefix}ar}"
329 RANLIB="${RANLIB-${cross_prefix}ranlib}"
330 STRIP="${STRIP-${cross_prefix}strip}"
332 if [ "x$host" = x ]; then
333 host=`./config.guess`
335 # normalize a triplet into a quadruplet
336 host=`./config.sub $host`
339 host_cpu="${host%%-*}"
341 host_vendor="${host%%-*}"
344 # test for use of Intel Compiler
345 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
346 if [[ `basename "$CC"` = icl* ]]; then
347 # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
348 [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
351 CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -Iextras"
353 `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
354 `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
355 cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
358 if [[ `basename "$CC"` = icc* ]]; then
373 CFLAGS="$CFLAGS -falign-loops=16"
374 LDFLAGS="$LDFLAGS -lm"
375 if [ "$pic" = "no" ]; then
376 cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
381 LDFLAGS="$LDFLAGS -lm"
386 LDFLAGS="$LDFLAGS -lm"
390 LDFLAGS="$LDFLAGS -lm"
394 LDFLAGS="$LDFLAGS -lm"
399 LDFLAGS="$LDFLAGS -lm"
403 if cc_check "" -mno-cygwin; then
404 CFLAGS="$CFLAGS -mno-cygwin"
405 LDFLAGS="$LDFLAGS -mno-cygwin"
407 if cpp_check "" "" "defined(__CYGWIN32__)" ; then
423 LDFLAGS="$LDFLAGS -lm"
427 die "Unknown system $host, edit the configure"
435 ASFLAGS="$ASFLAGS -O2"
436 if [ $compiler = GNU ]; then
437 if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
438 CFLAGS="$CFLAGS -march=i686"
440 if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
441 CFLAGS="$CFLAGS -mfpmath=sse -msse"
444 # Intel Compiler >= 11 generally defaults to SSE2 optimization. -msse is also deprecated for -mia32
445 if cpp_check "" "" "__INTEL_COMPILER >= 1100" \
446 && ! (echo $CFLAGS | grep -Eiq "(${ARCHPRE}ia32|${ARCHPRE}sse|${ARCHPRE}ssse3|${ARCHPRE}avx)") \
447 && [[ "$CFLAGS" != *${QPRE}x* ]]; then
448 CFLAGS="$CFLAGS ${ARCHPRE}ia32"
450 # icc on linux has various degrees of mod16 stack support
451 if [ $SYS = LINUX ]; then
452 # < 11 is completely incapable of keeping a mod16 stack
453 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
454 define BROKEN_STACK_ALIGNMENT
455 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
456 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
457 CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
459 # >= 12 defaults to a mod16 stack
461 # icl on windows has no mod16 stack support
462 [ $SYS = WINDOWS ] && define BROKEN_STACK_ALIGNMENT
464 if [ "$SYS" = MACOSX ]; then
465 ASFLAGS="$ASFLAGS -f macho -DPREFIX"
466 elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
467 ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
468 LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
470 ASFLAGS="$ASFLAGS -f elf"
476 if [ "$SYS" = MACOSX ]; then
477 ASFLAGS="$ASFLAGS -f macho64 -m amd64 -DPIC -DPREFIX"
478 if cc_check '' "-arch x86_64"; then
479 CFLAGS="$CFLAGS -arch x86_64"
480 LDFLAGS="$LDFLAGS -arch x86_64"
482 elif [ "$SYS" = WINDOWS ]; then
483 ASFLAGS="$ASFLAGS -f win32 -m amd64"
484 # only the GNU toolchain is inconsistent in prefixing function names with _
485 [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
487 ASFLAGS="$ASFLAGS -f elf -m amd64"
492 if [ $asm = auto ] ; then
494 AS="${AS-${cross_prefix}gcc}"
495 if [ $SYS = MACOSX ] ; then
496 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
498 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
499 define HAVE_ALTIVEC_H
507 if [ $asm = auto ]; then
509 if ! echo $CFLAGS | grep -Eq '\-mcpu' ; then
510 CFLAGS="$CFLAGS -mcpu=ultrasparc"
511 LDFLAGS="$LDFLAGS -mcpu=ultrasparc"
513 AS="${AS-${cross_prefix}as}"
514 ASFLAGS="$ASFLAGS -xarch=v8plusa"
519 mips|mipsel|mips64|mips64el)
524 if [ "$SYS" = MACOSX ] ; then
525 AS="${AS-extras/gas-preprocessor.pl $CC}"
526 ASFLAGS="$ASFLAGS -DPREFIX -DPIC" # apple's ld doesn't support movw/movt relocations at all
527 # build for armv7 by default
528 if ! echo $CFLAGS | grep -Eq '\-arch' ; then
529 CFLAGS="$CFLAGS -arch armv7"
530 LDFLAGS="$LDFLAGS -arch armv7"
533 AS="${AS-${cross_prefix}gcc}"
546 ARCH="$(echo $host_cpu | tr a-z A-Z)"
550 log_msg "x264 configure script"
552 msg="Command line options:"
562 cc_check || die "No working C compiler found."
564 if [ $compiler != ICL ]; then
565 if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
566 CFLAGS="$CFLAGS -std=gnu99"
567 elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
568 CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
569 elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
570 die "C99 compiler is needed for compilation."
574 if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" -o $ARCH = "IA64" \) ] ; then
578 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
579 if ! as_check "vpaddw xmm0, xmm0, xmm0" ; then
580 VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
582 echo "Minimum version is yasm-0.7.0"
583 echo "If you really want to compile without asm, configure with --disable-asm."
586 if ! cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' ; then
587 VER=`(${cross_prefix}as --version || echo no gnu as) 2>/dev/null | head -n 1`
589 echo "Minimum version is binutils-2.17"
590 echo "Your compiler can't handle inline SSSE3 asm."
591 echo "If you really want to compile without asm, configure with --disable-asm."
597 if [ $asm = auto -a $ARCH = ARM ] ; then
598 # set flags so neon is built by default
599 echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu|-mfloat-abi)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp"
601 if cc_check '' '' '__asm__("rev ip, ip");' ; then define HAVE_ARMV6
602 cc_check '' '' '__asm__("movt r0, #0");' && define HAVE_ARMV6T2
603 cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
604 ASFLAGS="$ASFLAGS $CFLAGS -c"
606 echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
607 echo "If you really want to run on such a CPU, configure with --disable-asm."
612 [ $asm = no ] && AS=""
613 [ "x$AS" = x ] && asm="no" || asm="yes"
618 # skip endianness check for Intel Compiler, as all supported platforms are little. the -ipo flag will also cause the check to fail
619 if [ $compiler = GNU ]; then
620 echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
621 $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
622 if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
623 define WORDS_BIGENDIAN
624 elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
625 die "endian test failed"
629 # autodetect options that weren't forced nor disabled
631 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
632 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
635 if [ "$thread" = "auto" ]; then
640 define HAVE_BEOSTHREAD
643 if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
645 libpthread="-lpthread"
646 elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
648 libpthread="-lpthreadGC2"
649 elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
651 libpthread="-lpthreadGC2 -lwsock32"
652 define PTW32_STATIC_LIB
653 elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
655 libpthread="-lpthreadGC2 -lws2_32"
656 define PTW32_STATIC_LIB
658 # default to native threading if pthread-win32 is unavailable
663 cc_check pthread.h -pthread && thread="posix" && libpthread="-pthread"
666 cc_check pthread.h -lpthread && thread="posix" && libpthread="-lpthread"
670 if [ "$thread" = "posix" ]; then
671 LDFLAGS="$LDFLAGS $libpthread"
672 define HAVE_POSIXTHREAD
674 if [ "$thread" = "win32" ]; then
675 # cygwin does not support win32 threads
676 if [ "$SYS" = "WINDOWS" ]; then
677 define HAVE_WIN32THREAD
682 [ "$thread" != "no" ] && define HAVE_THREAD
684 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
688 if [ "$vis" = "yes" ] ; then
689 save_CFLAGS="$CFLAGS"
690 CFLAGS="$CFLAGS -I/usr/X11R6/include"
691 if cc_check "X11/Xlib.h" "-L/usr/X11R6/lib -lX11" "XOpenDisplay(0);" ; then
692 LDFLAGS="-L/usr/X11R6/lib -lX11 $LDFLAGS"
693 define HAVE_VISUALIZE
696 CFLAGS="$save_CFLAGS"
700 if [ "$swscale" = "auto" ] ; then
702 if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
703 SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale)"
704 SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale)"
706 [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
708 error="swscale must be at least version 0.9.0"
709 if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_getContext(0,0,0,0,0,0,0,0,0,0);" ; then
710 if cpp_check "libswscale/swscale.h" "$SWSCALE_CFLAGS" "LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(0,9,0)" "$error"; then
711 # we use colorspaces that were defined in libavutil r19775
712 if cc_check "libavutil/pixfmt.h" "$SWSCALE_CFLAGS" "enum PixelFormat pixfmt = PIX_FMT_YUV422P16LE;" ; then
715 echo "Warning: libavutil is too old, update to ffmpeg r19775+"
718 echo "Warning: ${error}"
723 if [ "$lavf" = "auto" ] ; then
725 if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
726 LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
727 LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
729 if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
730 LAVF_LIBS="-lavformat"
731 for lib in -lpostproc -lavcodec -lavcore -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32; do
732 cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
735 LAVF_LIBS="-L. $LAVF_LIBS"
736 if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avcodec_decode_video2(0,0,0,0);" ; then
737 # libvautil/pixdesc.h included the private header intreadwrite.h until r21854
738 if cc_check libavutil/pixdesc.h "$LAVF_CFLAGS $LAVF_LIBS" ; then
739 if [ "$swscale" = "yes" ]; then
742 echo "Warning: libavformat is not supported without swscale support"
745 echo "Warning: libavutil is too old, update to ffmpeg r21854+"
750 if [ "$ffms" = "auto" ] ; then
751 ffms_major="2"; ffms_minor="14"; ffms_micro="0"; ffms_bump="0"
754 if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
755 FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
756 FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
758 [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
760 if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
762 elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
764 FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
767 error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
768 if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
770 echo "Warning: $error"
772 if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
773 echo "Warning: ffms is not supported without swscale support"
778 if [ "$swscale" = "yes" ]; then
779 LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
780 CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
782 if [ "$lavf" = "yes" ]; then
783 LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
784 CFLAGS="$CFLAGS $LAVF_CFLAGS"
787 if [ "$ffms" = "yes" ]; then
788 LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
789 CFLAGS="$CFLAGS $FFMS2_CFLAGS"
794 GPAC_LIBS="-lgpac_static"
795 if [ $SYS = WINDOWS ]; then
796 GPAC_LIBS="$GPAC_LIBS -lwinmm"
798 if [ "$gpac" = "auto" ] ; then
800 if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
801 if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
804 echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
808 if [ "$gpac" = "yes" ] ; then
810 if cc_check gpac/isomedia.h "-Werror $GPAC_LIBS" "gf_malloc(1); gf_free(NULL);" ; then
811 define HAVE_GF_MALLOC
813 LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
816 if [ "$avs" = "auto" ] ; then
818 # cygwin can use avisynth if it can use LoadLibrary
819 if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibrary(0);") ; then
825 if [ "$pic" = "yes" ] ; then
826 CFLAGS="$CFLAGS -fPIC"
827 ASFLAGS="$ASFLAGS -DPIC"
828 # resolve textrels in the x86 asm
829 cc_check stdio.h -Wl,-Bsymbolic && LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
832 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
833 CFLAGS="$CFLAGS -s -fomit-frame-pointer"
834 LDFLAGS="$LDFLAGS -s"
837 if [ "$debug" = "yes" ]; then
838 CFLAGS="-O1 -g $CFLAGS"
839 elif [ $ARCH = ARM ]; then
840 # arm-gcc-4.2 produces incorrect output with -ffast-math
841 # and it doesn't save any speed anyway on 4.4, so disable it
842 CFLAGS="-O3 -fno-fast-math $CFLAGS"
844 CFLAGS="-O3 -ffast-math $CFLAGS"
847 if cc_check '' -fno-tree-vectorize ; then
848 CFLAGS="$CFLAGS -fno-tree-vectorize"
851 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
852 # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
853 cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
856 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
859 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
860 define fseek fseeko64
861 define ftell ftello64
862 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
863 define fseek _fseeki64
864 define ftell _ftelli64
867 if cc_check '' -Wshadow ; then
868 CFLAGS="-Wshadow $CFLAGS"
871 if [ "$bit_depth" -gt "8" ]; then
872 define HIGH_BIT_DEPTH
873 ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH"
876 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
878 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
880 #define undefined vars as 0
881 for var in $CONFIG_HAVE; do
882 grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
885 if [ $compiler = ICL ]; then
886 AR="xilib -nologo -out:"
891 LDFLAGS="-nologo -incremental:no $(icl_ldflags $LDFLAGS)"
892 LDFLAGSCLI="$(icl_ldflags $LDFLAGSCLI)"
896 if [ $debug = yes ]; then
897 LDFLAGS="-debug $LDFLAGS"
898 CFLAGS="-D_DEBUG $CFLAGS"
900 CFLAGS="-DNDEBUG $CFLAGS"
909 if [ $compiler = GNU ]; then
910 PROF_GEN_CC="-fprofile-generate"
911 PROF_GEN_LD="-fprofile-generate"
912 PROF_USE_CC="-fprofile-use"
913 PROF_USE_LD="-fprofile-use"
915 CFLAGS="$(intel_cflags $CFLAGS)"
916 # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
917 [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
918 PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
920 PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
926 # generate exported config file
928 cat > x264_config.h << EOF
929 #define X264_BIT_DEPTH $bit_depth
930 #define X264_GPL $x264_gpl
933 # generate config files
935 cat > config.mak << EOF
937 exec_prefix=$exec_prefix
940 includedir=$includedir
949 LDFLAGSCLI=$LDFLAGSCLI
957 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
959 PROF_GEN_CC=$PROF_GEN_CC
960 PROF_GEN_LD=$PROF_GEN_LD
961 PROF_USE_CC=$PROF_USE_CC
962 PROF_USE_LD=$PROF_USE_LD
965 if [ $compiler = ICL ]; then
966 echo '%.o: %.c' >> config.mak
967 echo ' $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
970 if [ "$shared" = "yes" ]; then
971 API=$(grep '#define X264_BUILD' < x264.h | cut -f 3 -d ' ')
972 if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
973 echo "SONAME=libx264-$API.dll" >> config.mak
974 if [ $compiler = ICL ]; then
975 echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
976 # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
977 # MSVC link does not act similarly, so it is required to make an export definition out of x264.h and use it at link time
978 echo 'SOFLAGS=-dll -def:x264.def -implib:$(IMPLIBNAME)' >> config.mak
979 echo "EXPORTS" > x264.def
980 grep "^\(int\|void\|x264_t\|extern\).*x264.*[\[(;]" x264.h | sed -e "s/.*\(x264.*\)[\[(].*/\1/;s/.*\(x264.*\);/\1/;s/open/open_$API/g" >> x264.def
982 echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
983 echo 'SOFLAGS=-shared -Wl,--out-implib,$(IMPLIBNAME) -Wl,--enable-auto-image-base' >> config.mak
985 elif [ "$SYS" = "MACOSX" ]; then
986 echo "SOSUFFIX=dylib" >> config.mak
987 echo "SONAME=libx264.$API.dylib" >> config.mak
988 echo 'SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name $(DESTDIR)$(libdir)/$(SONAME)' >> config.mak
989 elif [ "$SYS" = "SunOS" ]; then
990 echo "SOSUFFIX=so" >> config.mak
991 echo "SONAME=libx264.so.$API" >> config.mak
992 echo 'SOFLAGS=-shared -Wl,-h,$(SONAME)' >> config.mak
994 echo "SOSUFFIX=so" >> config.mak
995 echo "SONAME=libx264.so.$API" >> config.mak
996 echo 'SOFLAGS=-shared -Wl,-soname,$(SONAME)' >> config.mak
998 echo 'default: $(SONAME)' >> config.mak
1001 ./version.sh >> config.h
1003 pclibs="-L$libdir -lx264 $libpthread"
1005 cat > x264.pc << EOF
1007 exec_prefix=$exec_prefix
1009 includedir=$includedir
1012 Description: H.264 (MPEG4 AVC) encoder library
1013 Version: $(grep POINTVER < config.h | sed -e 's/.* "//; s/".*//')
1015 Cflags: -I$includedir
1018 filters="crop select_every"
1020 [ $swscale = yes ] && filters="resize $filters"
1021 [ $gpl = yes ] && filters="$filters $gpl_filters"
1023 cat > conftest.log <<EOF
1039 bit depth: $bit_depth
1043 cat conftest.log >> config.log
1048 echo "You can run 'make' or 'make fprofiled' now."