3 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
5 echo "Usage: ./configure [options]"
7 echo "available options:"
9 echo " --help print this message"
10 echo " --disable-avs disables avisynth support (windows only)"
11 echo " --disable-lavf disables libavformat support"
12 echo " --disable-ffms disables ffmpegsource support"
13 echo " --disable-gpac disables gpac support"
14 echo " --disable-pthread disables multithreaded encoding"
15 echo " --disable-asm disables platform-specific assembly optimizations"
16 echo " --enable-debug adds -g, doesn't strip"
17 echo " --enable-gprof adds -pg, doesn't strip"
18 echo " --enable-visualize enables visualization (X11 only)"
19 echo " --enable-pic build position-independent code"
20 echo " --enable-shared build libx264.so"
21 echo " --extra-asflags=EASFLAGS add EASFLAGS to ASFLAGS"
22 echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS"
23 echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS"
24 echo " --host=HOST build programs to run on HOST"
25 echo " --cross-prefix=PREFIX use PREFIX for compilation tools"
26 echo " --sysroot=SYSROOT root of cross-build tree"
32 echo -n "checking $1... " >> config.log
36 echo "yes" >> config.log
40 echo "no" >> config.log
44 echo "$1" >> config.log
49 if [ -z "$1$2" ]; then
50 log_check "whether $CC works"
51 elif [ -z "$1" ]; then
56 elif [ -z "$1" ]; then
57 log_check "whether $CC supports $3"
59 log_check "for $3 in $1";
62 [ -n "$1" ] && echo "#include <$1>" > conftest.c
63 echo "int main () { $3 return 0; }" >> conftest.c
64 if $CC conftest.c $CFLAGS $LDFLAGS $LDFLAGSCLI $2 -o conftest >conftest.log 2>&1; then
70 log_msg "Failed commandline was:"
71 log_msg "--------------------------------------------------"
72 log_msg "$CC conftest.c $CFLAGS $LDFLAGS $LDFLAGSCLI $2"
73 cat conftest.log >> config.log
74 log_msg "--------------------------------------------------"
80 log_check "whether $AS supports $1"
81 echo "$1" > conftest.asm
82 if $AS conftest.asm $ASFLAGS $2 -o conftest.o >conftest.log 2>&1; then
88 log_msg "Failed commandline was:"
89 log_msg "--------------------------------------------------"
90 log_msg "$AS conftest.asm $ASFLAGS $2 -o conftest.o"
91 cat conftest.log >> config.log
92 log_msg "--------------------------------------------------"
98 echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
107 rm -f config.h config.mak config.log x264.pc conftest*
110 exec_prefix='${prefix}'
111 bindir='${exec_prefix}/bin'
112 libdir='${exec_prefix}/lib'
113 includedir='${prefix}/include'
128 CFLAGS="$CFLAGS -Wall -I."
130 LDFLAGSCLI="$LDFLAGSCLI"
146 exec_prefix="$optarg"
173 ASFLAGS="$ASFLAGS ${opt#--extra-asflags=}"
176 CFLAGS="$CFLAGS ${opt#--extra-cflags=}"
179 LDFLAGS="$LDFLAGS ${opt#--extra-ldflags=}"
189 LDFLAGS="$LDFLAGS -pg"
202 host="${opt#--host=}"
205 cross_prefix="${opt#--cross-prefix=}"
208 CFLAGS="$CFLAGS --sysroot=${opt#--sysroot=}"
209 LDFLAGS="$LDFLAGS --sysroot=${opt#--sysroot=}"
212 echo "Unknown option $opt, ignored"
217 CC="${CC-${cross_prefix}gcc}"
218 AR="${AR-${cross_prefix}ar}"
219 RANLIB="${RANLIB-${cross_prefix}ranlib}"
220 STRIP="${STRIP-${cross_prefix}strip}"
222 if [ "x$host" = x ]; then
223 host=`./config.guess`
225 # normalize a triplet into a quadruplet
226 host=`./config.sub $host`
229 host_cpu="${host%%-*}"
231 host_vendor="${host%%-*}"
241 CFLAGS="$CFLAGS -falign-loops=16"
242 LDFLAGS="$LDFLAGS -lm"
243 if [ "$pic" = "no" ]; then
244 cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
249 LDFLAGS="$LDFLAGS -lm"
254 LDFLAGS="$LDFLAGS -lm"
258 LDFLAGS="$LDFLAGS -lm"
262 CFLAGS="$CFLAGS -I/usr/X11R6/include"
263 LDFLAGS="$LDFLAGS -lm"
268 LDFLAGS="$LDFLAGS -lm"
274 if cc_check "" -mno-cygwin; then
275 CFLAGS="$CFLAGS -mno-cygwin"
276 LDFLAGS="$LDFLAGS -mno-cygwin"
287 LDFLAGS="$LDFLAGS -lm"
291 die "Unknown system $host, edit the configure"
299 ASFLAGS="$ASFLAGS -O2"
300 if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
301 CFLAGS="$CFLAGS -march=i686"
303 if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
304 CFLAGS="$CFLAGS -mfpmath=sse -msse"
306 if [ "$SYS" = MACOSX ]; then
307 ASFLAGS="$ASFLAGS -f macho -DPREFIX"
308 elif [ "$SYS" = MINGW ]; then
309 ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
310 LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
312 ASFLAGS="$ASFLAGS -f elf"
318 if [ "$SYS" = MACOSX ];then
319 ASFLAGS="$ASFLAGS -f macho64 -m amd64 -DPIC -DPREFIX"
320 if cc_check '' "-arch x86_64"; then
321 CFLAGS="$CFLAGS -arch x86_64"
322 LDFLAGS="$LDFLAGS -arch x86_64"
324 elif [ "$SYS" = MINGW ]; then
325 ASFLAGS="$ASFLAGS -f win32 -m amd64 -DPREFIX"
327 ASFLAGS="$ASFLAGS -f elf -m amd64"
332 if [ $asm = auto ] ; then
334 AS="${AS-${cross_prefix}gcc}"
335 if [ $SYS = MACOSX ] ; then
336 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
338 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
339 define HAVE_ALTIVEC_H
344 if [ $asm = auto ] && test "$(uname -m)" = "sun4u"; then
346 CFLAGS="$CFLAGS -mcpu=ultrasparc"
347 LDFLAGS="$LDFLAGS -mcpu=ultrasparc"
348 AS="${AS-${cross_prefix}as}"
349 ASFLAGS="$ASFLAGS -xarch=v8plusa"
354 mips|mipsel|mips64|mips64el)
359 if [ "$SYS" = MACOSX ] ; then
360 AS="${AS-extras/gas-preprocessor.pl $CC}"
361 ASFLAGS="$ASFLAGS -DPREFIX -DPIC" # apple's ld doesn't support movw/movt relocations at all
362 # build for armv7 by default
363 if ! echo $CFLAGS | grep -Eq '\-arch' ; then
364 CFLAGS="$CFLAGS -arch armv7"
365 LDFLAGS="$LDFLAGS -arch armv7"
368 AS="${AS-${cross_prefix}gcc}"
381 ARCH="$(echo $host_cpu | tr a-z A-Z)"
385 log_msg "x264 configure script"
387 msg="Command line options:"
397 cc_check || die "No working C compiler found."
399 if cc_check '' -std=gnu99 ; then
400 CFLAGS="$CFLAGS -std=gnu99"
401 elif cc_check '' -std=c99 ; then
402 CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
405 if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" -o $ARCH = "IA64" \) ] ; then
409 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
410 if ! as_check "lzcnt eax, eax" ; then
411 VER=`($AS --version || echo no assembler) 2>$DEVNULL | head -n 1`
413 echo "Minimum version is yasm-0.6.2"
414 echo "If you really want to compile without asm, configure with --disable-asm."
417 if ! cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' ; then
418 VER=`(as --version || echo no gnu as) 2>$DEVNULL | head -n 1`
420 echo "Minimum version is binutils-2.17"
421 echo "Your compiler can't handle inline SSSE3 asm."
422 echo "If you really want to compile without asm, configure with --disable-asm."
428 if [ $asm = auto -a $ARCH = ARM ] ; then
429 # set flags so neon is built by default
430 echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu|-mfloat-abi)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp"
432 if cc_check '' '' '__asm__("rev ip, ip");' ; then define HAVE_ARMV6
433 cc_check '' '' '__asm__("movt r0, #0");' && define HAVE_ARMV6T2
434 cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
435 ASFLAGS="$ASFLAGS $CFLAGS -c"
437 echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
438 echo "If you really want to run on such a CPU, configure with --disable-asm."
443 [ $asm = no ] && AS=""
444 [ "x$AS" = x ] && asm="no" || asm="yes"
449 echo "int i = 0x42494745; double f = 0x1.0656e6469616ep+102;" > conftest.c
450 $CC $CFLAGS conftest.c -c -o conftest.o 2>$DEVNULL || die "endian test failed"
451 if grep -q BIGE conftest.o && grep -q FPendian conftest.o ; then
452 define WORDS_BIGENDIAN
453 elif !(grep -q EGIB conftest.o && grep -q naidnePF conftest.o) ; then
454 die "endian test failed"
457 # autodetect options that weren't forced nor disabled
460 if test "$pthread" = "auto" ; then
467 if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
469 libpthread="-lpthread"
470 elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
472 libpthread="-lpthreadGC2"
473 elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
475 libpthread="-lpthreadGC2 -lwsock32"
476 define PTW32_STATIC_LIB
477 elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
479 libpthread="-lpthreadGC2 -lws2_32"
480 define PTW32_STATIC_LIB
484 cc_check pthread.h -pthread && pthread="yes" && libpthread="-pthread"
487 cc_check pthread.h -lpthread && pthread="yes" && libpthread="-lpthread"
491 if test "$pthread" = "yes" ; then
493 LDFLAGS="$LDFLAGS $libpthread"
496 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
500 if [ "$vis" = "yes" ] && cc_check "X11/Xlib.h" "-L/usr/X11R6/lib -lX11" "XOpenDisplay( 0 );" ; then
501 LDFLAGS="-L/usr/X11R6/lib -lX11 $LDFLAGS"
502 define HAVE_VISUALIZE
507 if [ "$lavf" = "auto" ] ; then
509 if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>$DEVNULL; then
510 LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libswscale)"
511 LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libswscale)"
513 if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
514 LAVF_LIBS="-lavformat -lswscale"
515 for lib in -lpostproc -lavcodec -lavutil -lm -lz -lbz2 $libpthread -lavifil32; do
516 cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
519 LAVF_LIBS="-L. $LAVF_LIBS"
520 if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" && \
521 cc_check libswscale/swscale.h "$LAVF_CFLAGS $LAVF_LIBS" ; then
522 # avcodec_decode_video2 is currently the most recently added function that we use; it was added in r18351
523 if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avcodec_decode_video2( NULL, NULL, NULL, NULL );" ; then
527 echo "Warning: libavformat is too old, update to ffmpeg r18351+"
532 if [ "$ffms" = "auto" ] ; then
533 ffms_major="2"; ffms_minor="13"; ffms_micro="1"; ffms_bump="0"
536 [ $ffms_micro -gt 0 -o $ffms_bump -gt 0 ] && vmicro=".$ffms_micro"
537 [ $ffms_bump -gt 0 ] && vbump=".$ffms_bump"
538 if ${cross_prefix}pkg-config --atleast-version="$ffms_major.$ffms_minor$vmicro$vbump" ffms2 2>$DEVNULL; then
539 FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
540 FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
545 [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
547 if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
549 elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
551 FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
554 if [ $api_check = "yes" -a $ffms = "yes" ]; then
555 log_check "whether ffms2 version is at least $ffms_major.$ffms_minor$vmicro$vbump"
556 $CC $CFLAGS $FFMS2_CFLAGS -c -o conftest -x c - >$DEVNULL 2>&1 <<EOF
558 #if FFMS_VERSION < (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)
559 #error Requires ffms2 version 2.13.1
562 [ $? = 0 ] && log_ok || { ffms="no"; log_fail; }
566 if [ "$ffms" = "yes" ]; then
567 LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
568 [ -n "$FFMS2_CFLAGS" ] && CFLAGS="$CFLAGS $FFMS2_CFLAGS"
570 elif [ "$lavf" = "yes" ]; then
571 LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
572 [ -n "$LAVF_CFLAGS" ] && CFLAGS="$CFLAGS $LAVF_CFLAGS"
575 GPAC_LIBS="-lgpac_static"
576 if [ $SYS = MINGW ]; then
577 GPAC_LIBS="$GPAC_LIBS -lwinmm"
579 if [ "$gpac" = "auto" ] ; then
581 if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
582 if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
585 echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
589 if [ "$gpac" = "yes" ] ; then
591 if cc_check gpac/isomedia.h "-Werror $GPAC_LIBS" "gf_malloc(1); gf_free(NULL);" ; then
592 define HAVE_GF_MALLOC
594 LDFLAGSCLI="$LDFLAGSCLI $GPAC_LIBS"
597 if [ "$avs" = "auto" ] ; then
599 if [ $SYS = MINGW ] && cc_check avisynth_c.h ; then
602 define HAVE_AVISYNTH_C_H
603 elif [ $SYS = MINGW ] && cc_check extras/avisynth_c.h ; then
609 if [ "$pic" = "yes" ] ; then
610 CFLAGS="$CFLAGS -fPIC"
611 ASFLAGS="$ASFLAGS -DPIC"
612 # resolve textrels in the x86 asm
613 cc_check stdio.h -Wl,-Bsymbolic && LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
616 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
617 CFLAGS="$CFLAGS -s -fomit-frame-pointer"
618 LDFLAGS="$LDFLAGS -s"
621 if [ "$debug" = "yes" ]; then
622 CFLAGS="-O1 -g $CFLAGS"
623 elif [ $ARCH = ARM ]; then
624 # arm-gcc-4.2 produces incorrect output with -ffast-math
625 # and it doesn't save any speed anyway on 4.4, so disable it
626 CFLAGS="-O3 -fno-fast-math $CFLAGS"
628 CFLAGS="-O3 -ffast-math $CFLAGS"
631 if cc_check '' -fno-tree-vectorize ; then
632 CFLAGS="$CFLAGS -fno-tree-vectorize"
635 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
638 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
639 define fseek fseeko64
640 define ftell ftello64
643 if cc_check '' -Wshadow ; then
644 CFLAGS="-Wshadow $CFLAGS"
649 # generate config files
651 cat > config.mak << EOF
653 exec_prefix=$exec_prefix
656 includedir=$includedir
662 LDFLAGSCLI=$LDFLAGSCLI
670 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
674 if [ "$shared" = "yes" ]; then
675 API=$(grep '#define X264_BUILD' < x264.h | cut -f 3 -d ' ')
676 if [ "$SYS" = "MINGW" ]; then
677 echo "SONAME=libx264-$API.dll" >> config.mak
678 echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
679 echo 'SOFLAGS=-Wl,--out-implib,$(IMPLIBNAME) -Wl,--enable-auto-image-base' >> config.mak
680 elif [ "$SYS" = "MACOSX" ]; then
681 echo "SOSUFFIX=dylib" >> config.mak
682 echo "SONAME=libx264.$API.dylib" >> config.mak
683 echo 'SOFLAGS=-dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name $(DESTDIR)$(libdir)/$(SONAME)' >> config.mak
684 elif [ "$SYS" = "SunOS" ]; then
685 echo "SOSUFFIX=so" >> config.mak
686 echo "SONAME=libx264.so.$API" >> config.mak
687 echo 'SOFLAGS=-Wl,-h,$(SONAME)' >> config.mak
689 echo "SOSUFFIX=so" >> config.mak
690 echo "SONAME=libx264.so.$API" >> config.mak
691 echo 'SOFLAGS=-Wl,-soname,$(SONAME)' >> config.mak
693 echo 'default: $(SONAME)' >> config.mak
696 ./version.sh >> config.h
698 pclibs="-L$libdir -lx264 $libpthread"
702 exec_prefix=$exec_prefix
704 includedir=$includedir
707 Description: H.264 (MPEG4 AVC) encoder library
708 Version: $(grep POINTVER < config.h | sed -e 's/.* "//; s/".*//')
710 Cflags: -I$includedir
713 cat > conftest.log <<EOF
730 cat conftest.log >> config.log
735 echo "You can run 'make' or 'make fprofiled' now."