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-input disables avisynth input (win32 only)"
11 echo " --disable-lavf-input disables libavformat input"
12 echo " --disable-ffms-input disables ffmpegsource input"
13 echo " --disable-mp4-output disables mp4 output (using gpac)"
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 " $2")" >> config.h
107 rm -f config.h config.mak config.log x264.pc conftest*
110 exec_prefix='${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"
172 --disable-lavf-input)
178 --disable-ffms-input)
184 --disable-mp4-output)
188 ASFLAGS="$ASFLAGS ${opt#--extra-asflags=}"
191 CFLAGS="$CFLAGS ${opt#--extra-cflags=}"
194 LDFLAGS="$LDFLAGS ${opt#--extra-ldflags=}"
197 pthread="auto" # can't skip detection, since it differs by OS
207 LDFLAGS="$LDFLAGS -pg"
217 LDFLAGS="$LDFLAGS -L/usr/X11R6/lib -lX11"
218 define HAVE_VISUALIZE
222 host="${opt#--host=}"
225 cross_prefix="${opt#--cross-prefix=}"
228 CFLAGS="$CFLAGS --sysroot=${opt#--sysroot=}"
229 LDFLAGS="$LDFLAGS --sysroot=${opt#--sysroot=}"
232 echo "Unknown option $opt, ignored"
237 CC="${CC-${cross_prefix}gcc}"
238 AR="${AR-${cross_prefix}ar}"
239 RANLIB="${RANLIB-${cross_prefix}ranlib}"
240 STRIP="${STRIP-${cross_prefix}strip}"
242 if [ "x$host" = x ]; then
243 host=`./config.guess`
245 # normalize a triplet into a quadruplet
246 host=`./config.sub $host`
249 host_cpu="${host%%-*}"
251 host_vendor="${host%%-*}"
261 CFLAGS="$CFLAGS -falign-loops=16"
262 LDFLAGS="$LDFLAGS -lm"
263 if [ "$pic" = "no" ]; then
264 cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
269 LDFLAGS="$LDFLAGS -lm"
274 LDFLAGS="$LDFLAGS -lm"
278 LDFLAGS="$LDFLAGS -lm"
282 CFLAGS="$CFLAGS -I/usr/X11R6/include"
283 LDFLAGS="$LDFLAGS -lm"
288 LDFLAGS="$LDFLAGS -lm"
294 if cc_check "" -mno-cygwin; then
295 CFLAGS="$CFLAGS -mno-cygwin"
296 LDFLAGS="$LDFLAGS -mno-cygwin"
307 LDFLAGS="$LDFLAGS -lm"
311 die "Unknown system $host, edit the configure"
319 ASFLAGS="$ASFLAGS -O2"
320 if [[ "$asm" == yes && "$CFLAGS" != *-march* ]]; then
321 CFLAGS="$CFLAGS -march=i686"
323 if [[ "$asm" == yes && "$CFLAGS" != *-mfpmath* ]]; then
324 CFLAGS="$CFLAGS -mfpmath=sse -msse"
326 if [ "$SYS" = MACOSX ]; then
327 ASFLAGS="$ASFLAGS -f macho -DPREFIX"
328 elif [ "$SYS" = MINGW ]; then
329 ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
331 ASFLAGS="$ASFLAGS -f elf"
337 if [ "$SYS" = MACOSX ];then
338 ASFLAGS="$ASFLAGS -f macho64 -m amd64 -DPIC -DPREFIX"
339 if cc_check '' "-arch x86_64"; then
340 CFLAGS="$CFLAGS -arch x86_64"
341 LDFLAGS="$LDFLAGS -arch x86_64"
343 elif [ "$SYS" = MINGW ]; then
344 ASFLAGS="$ASFLAGS -f win32 -m amd64 -DPREFIX"
346 ASFLAGS="$ASFLAGS -f elf -m amd64"
351 if [ $asm = yes ] ; then
353 AS="${AS-${cross_prefix}gcc}"
354 if [ $SYS = MACOSX ] ; then
355 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
357 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
358 define HAVE_ALTIVEC_H
363 if [ $asm = yes ] && test "$(uname -m)" = "sun4u"; then
365 CFLAGS="$CFLAGS -mcpu=ultrasparc"
366 LDFLAGS="$LDFLAGS -mcpu=ultrasparc"
367 AS="${AS-${cross_prefix}as}"
368 ASFLAGS="$ASFLAGS -xarch=v8plusa"
373 mips|mipsel|mips64|mips64el)
378 if [ "$SYS" = MACOSX ] ; then
379 AS="${AS-extras/gas-preprocessor.pl $CC}"
380 ASFLAGS="$ASFLAGS -DPREFIX -DPIC" # apple's ld doesn't support movw/movt relocations at all
381 # build for armv7 by default
382 if ! echo $CFLAGS | grep -Eq '\-arch' ; then
383 CFLAGS="$CFLAGS -arch armv7"
384 LDFLAGS="$LDFLAGS -arch armv7"
387 AS="${AS-${cross_prefix}gcc}"
397 ARCH="$(echo $host_cpu | tr a-z A-Z)"
401 log_msg "x264 configure script"
403 msg="Command line options:"
413 cc_check || die "No working C compiler found."
415 if cc_check '' -std=gnu99 ; then
416 CFLAGS="$CFLAGS -std=gnu99"
417 elif cc_check '' -std=c99 ; then
418 CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
421 if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" \) ] ; then
425 if [ $asm = yes -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
426 if ! as_check "lzcnt eax, eax" ; then
427 VER=`($AS --version || echo no assembler) 2>$DEVNULL | head -n 1`
429 echo "Minimum version is yasm-0.6.2"
430 echo "If you really want to compile without asm, configure with --disable-asm."
433 if ! cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' ; then
434 VER=`(as --version || echo no gnu as) 2>$DEVNULL | head -n 1`
436 echo "Minimum version is binutils-2.17"
437 echo "Your compiler can't handle inline SSSE3 asm."
438 echo "If you really want to compile without asm, configure with --disable-asm."
444 if [ $asm = yes -a $ARCH = ARM ] ; then
445 # set flags so neon is built by default
446 echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu|-mfloat-abi)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp"
448 if cc_check '' '' '__asm__("rev ip, ip");' ; then define HAVE_ARMV6
449 cc_check '' '' '__asm__("movt r0, #0");' && define HAVE_ARMV6T2
450 cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
451 ASFLAGS="$ASFLAGS $CFLAGS -c"
453 echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
454 echo "If you really want to run on such a CPU, configure with --disable-asm."
459 [ $asm = no ] && AS=""
460 [ "x$AS" = x ] && asm="no"
465 echo "int i = 0x42494745; double f = 0x1.0656e6469616ep+102;" > conftest.c
466 $CC $CFLAGS conftest.c -c -o conftest.o 2>$DEVNULL || die "endian test failed"
467 if grep -q BIGE conftest.o && grep -q FPendian conftest.o ; then
468 define WORDS_BIGENDIAN
469 elif !(grep -q EGIB conftest.o && grep -q naidnePF conftest.o) ; then
470 die "endian test failed"
473 # autodetect options that weren't forced nor disabled
476 if test "$pthread" = "auto" ; then
483 if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
485 libpthread="-lpthread"
486 elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
488 libpthread="-lpthreadGC2"
489 elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
491 libpthread="-lpthreadGC2 -lwsock32"
492 define PTW32_STATIC_LIB
493 elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
495 libpthread="-lpthreadGC2 -lws2_32"
496 define PTW32_STATIC_LIB
500 cc_check pthread.h -pthread && pthread="yes" && libpthread="-pthread"
503 cc_check pthread.h -lpthread && pthread="yes" && libpthread="-lpthread"
507 if test "$pthread" = "yes" ; then
509 LDFLAGS="$LDFLAGS $libpthread"
512 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
516 if [ "$lavf_input" = "auto" ] ; then
518 if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>$DEVNULL; then
519 LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libswscale)"
520 LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libswscale)"
522 if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
523 LAVF_LIBS="-lavformat -lswscale"
524 for lib in -lpostproc -lavcodec -lavutil -lm -lz -lbz2 $libpthread -lavifil32; do
525 cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
528 LAVF_LIBS="-L. $LAVF_LIBS"
529 if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" && \
530 cc_check libswscale/swscale.h "$LAVF_CFLAGS $LAVF_LIBS" ; then
531 # avcodec_decode_video2 is currently the most recently added function that we use; it was added in r18351
532 if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avcodec_decode_video2( NULL, NULL, NULL, NULL );" ; then
536 echo "Warning: libavformat is too old, update to ffmpeg r18351+"
541 if [ "$ffms_input" = "auto" ] ; then
542 ffms_major="2"; ffms_minor="13"; ffms_micro="1"; ffms_bump="0"
545 [ $ffms_micro -gt 0 -o $ffms_bump -gt 0 ] && vmicro=".$ffms_micro"
546 [ $ffms_bump -gt 0 ] && vbump=".$ffms_bump"
547 if ${cross_prefix}pkg-config --atleast-version="$ffms_major.$ffms_minor$vmicro$vbump" ffms2 2>$DEVNULL; then
548 FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
549 FFMS2_CFLAGS="$FFMS2_LIBS $(${cross_prefix}pkg-config --cflags ffms2)"
554 [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
556 if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
558 elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
560 FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
563 if [ $api_check = "yes" -a $ffms_input = "yes" ]; then
564 log_check "whether ffms2 version is at least $ffms_major.$ffms_minor$vmicro$vbump"
565 $CC $CFLAGS $FFMS2_CFLAGS -c -o conftest -x c - >$DEVNULL 2>&1 <<EOF
567 #if FFMS_VERSION < (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)
568 #error Requires ffms2 version 2.13.1
571 [ $? = 0 ] && log_ok || { ffms_input="no"; log_fail; }
575 if [ "$ffms_input" = "yes" ]; then
576 LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
577 [ -n "$FFMS2_CFLAGS" ] && CFLAGS="$CFLAGS $FFMS2_CFLAGS"
579 elif [ "$lavf_input" = "yes" ]; then
580 LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
581 [ -n "$LAVF_CFLAGS" ] && CFLAGS="$CFLAGS $LAVF_CFLAGS"
584 MP4_LDFLAGS="-lgpac_static"
585 if [ $SYS = MINGW ]; then
586 MP4_LDFLAGS="$MP4_LDFLAGS -lwinmm"
588 if [ "$mp4_output" = "auto" ] ; then
590 if cc_check gpac/isomedia.h "$MP4_LDFLAGS" ; then
591 if cc_check gpac/isomedia.h "$MP4_LDFLAGS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
594 echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
598 if [ "$mp4_output" = "yes" ] ; then
600 LDFLAGSCLI="$LDFLAGSCLI $MP4_LDFLAGS"
603 if [ "$avs_input" = "auto" ] ; then
605 if [ $SYS = MINGW ] && cc_check avisynth_c.h ; then
608 define HAVE_AVISYNTH_C_H
609 elif [ $SYS = MINGW ] && cc_check extras/avisynth_c.h ; then
615 if [ "$pic" = "yes" ] ; then
616 CFLAGS="$CFLAGS -fPIC"
617 ASFLAGS="$ASFLAGS -DPIC"
618 # resolve textrels in the x86 asm
619 cc_check stdio.h -Wl,-Bsymbolic && LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
622 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
623 CFLAGS="$CFLAGS -s -fomit-frame-pointer"
624 LDFLAGS="$LDFLAGS -s"
627 if [ "$debug" = "yes" ]; then
628 CFLAGS="-O1 -g $CFLAGS"
629 elif [ $ARCH = ARM ]; then
630 # arm-gcc-4.2 produces incorrect output with -ffast-math
631 # and it doesn't save any speed anyway on 4.4, so disable it
632 CFLAGS="-O3 -fno-fast-math $CFLAGS"
634 CFLAGS="-O3 -ffast-math $CFLAGS"
637 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
640 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
641 define fseek fseeko64
642 define ftell ftello64
647 # generate config files
649 cat > config.mak << EOF
651 exec_prefix=$exec_prefix
654 includedir=$includedir
660 LDFLAGSCLI=$LDFLAGSCLI
668 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
672 if [ "$shared" = "yes" ]; then
673 API=$(grep '#define X264_BUILD' < x264.h | cut -f 3 -d ' ')
674 if [ "$SYS" = "MINGW" ]; then
675 echo "SONAME=libx264-$API.dll" >> config.mak
676 echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
677 echo 'SOFLAGS=-Wl,--out-implib,$(IMPLIBNAME) -Wl,--enable-auto-image-base' >> config.mak
678 elif [ "$SYS" = "MACOSX" ]; then
679 echo "SOSUFFIX=dylib" >> config.mak
680 echo "SONAME=libx264.$API.dylib" >> config.mak
681 echo 'SOFLAGS=-dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name $(DESTDIR)$(libdir)/$(SONAME)' >> config.mak
682 elif [ "$SYS" = "SunOS" ]; then
683 echo "SOSUFFIX=so" >> config.mak
684 echo "SONAME=libx264.so.$API" >> config.mak
685 echo 'SOFLAGS=-Wl,-h,$(SONAME)' >> config.mak
687 echo "SOSUFFIX=so" >> config.mak
688 echo "SONAME=libx264.so.$API" >> config.mak
689 echo 'SOFLAGS=-Wl,-soname,$(SONAME)' >> config.mak
691 echo 'default: $(SONAME)' >> config.mak
696 pclibs="-L$libdir -lx264 $libpthread"
700 exec_prefix=$exec_prefix
702 includedir=$includedir
705 Description: H.264 (MPEG4 AVC) encoder library
706 Version: $(grep POINTVER < config.h | sed -e 's/.* "//; s/".*//')
708 Cflags: -I$includedir
711 cat > conftest.log <<EOF
715 avs input: $avs_input
716 lavf input: $lavf_input
717 ffms input: $ffms_input
718 mp4 output: $mp4_output
728 cat conftest.log >> config.log
733 echo "You can run 'make' or 'make fprofiled' now."