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 assembly optimizations on x86 and arm"
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"
353 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
355 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
356 define HAVE_ALTIVEC_H
360 if test "$(uname -m)" = "sun4u"; then
362 CFLAGS="$CFLAGS -mcpu=ultrasparc"
363 LDFLAGS="$LDFLAGS -mcpu=ultrasparc"
364 AS="${cross_prefix}as"
365 ASFLAGS="$ASFLAGS -xarch=v8plusa"
370 mips|mipsel|mips64|mips64el)
375 if [ "$SYS" = MACOSX ] ; then
376 AS="${AS-extras/gas-preprocessor.pl $CC}"
377 ASFLAGS="$ASFLAGS -DPREFIX -DPIC" # apple's ld doesn't support movw/movt relocations at all
378 # build for armv7 by default
379 if ! echo $CFLAGS | grep -Eq '\-arch' ; then
380 CFLAGS="$CFLAGS -arch armv7"
381 LDFLAGS="$LDFLAGS -arch armv7"
384 AS="${AS-${cross_prefix}gcc}"
394 ARCH="$(echo $host_cpu | tr a-z A-Z)"
398 log_msg "x264 configure script"
400 msg="Command line options:"
410 cc_check || die "No working C compiler found."
412 if cc_check '' -std=gnu99 ; then
413 CFLAGS="$CFLAGS -std=gnu99"
414 elif cc_check '' -std=c99 ; then
415 CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
418 if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" \) ] ; then
422 if [ $asm = yes -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
423 if ! as_check "lzcnt eax, eax" ; then
424 VER=`($AS --version || echo no assembler) 2>$DEVNULL | head -n 1`
426 echo "Minimum version is yasm-0.6.2"
427 echo "If you really want to compile without asm, configure with --disable-asm."
430 if ! cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' ; then
431 VER=`(as --version || echo no gnu as) 2>$DEVNULL | head -n 1`
433 echo "Minimum version is binutils-2.17"
434 echo "Your compiler can't handle inline SSSE3 asm."
435 echo "If you really want to compile without asm, configure with --disable-asm."
441 if [ $asm = yes -a $ARCH = ARM ] ; then
442 # set flags so neon is built by default
443 echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu|-mfloat-abi)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp"
445 if cc_check '' '' '__asm__("rev ip, ip");' ; then define HAVE_ARMV6 && ASFLAGS="$ASFLAGS -DHAVE_ARMV6"
446 cc_check '' '' '__asm__("movt r0, #0");' && define HAVE_ARMV6T2 && ASFLAGS="$ASFLAGS -DHAVE_ARMV6T2"
447 cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON && ASFLAGS="$ASFLAGS -DHAVE_NEON"
448 ASFLAGS="$ASFLAGS -c"
450 echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
451 echo "If you really want to run on such a CPU, configure with --disable-asm."
456 [ $asm = no ] && AS=""
457 [ "x$AS" = x ] && asm="no"
462 echo "int i = 0x42494745; double f = 0x1.0656e6469616ep+102;" > conftest.c
463 $CC $CFLAGS conftest.c -c -o conftest.o 2>$DEVNULL || die "endian test failed"
464 if grep -q BIGE conftest.o && grep -q FPendian conftest.o ; then
465 define WORDS_BIGENDIAN
466 elif !(grep -q EGIB conftest.o && grep -q naidnePF conftest.o) ; then
467 die "endian test failed"
470 # autodetect options that weren't forced nor disabled
473 if test "$pthread" = "auto" ; then
480 if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
482 libpthread="-lpthread"
483 elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
485 libpthread="-lpthreadGC2"
486 elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
488 libpthread="-lpthreadGC2 -lwsock32"
489 define PTW32_STATIC_LIB
490 elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
492 libpthread="-lpthreadGC2 -lws2_32"
493 define PTW32_STATIC_LIB
497 cc_check pthread.h -pthread && pthread="yes" && libpthread="-pthread"
500 cc_check pthread.h -lpthread && pthread="yes" && libpthread="-lpthread"
504 if test "$pthread" = "yes" ; then
506 LDFLAGS="$LDFLAGS $libpthread"
509 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
513 if [ "$lavf_input" = "auto" ] ; then
515 if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>$DEVNULL; then
516 LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libswscale)"
517 LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libswscale)"
519 if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
520 LAVF_LIBS="-lavformat -lswscale"
521 for lib in -lpostproc -lavcodec -lavutil -lm -lz -lbz2 $libpthread -lavifil32; do
522 cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
525 LAVF_LIBS="-L. $LAVF_LIBS"
526 if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" && \
527 cc_check libswscale/swscale.h "$LAVF_CFLAGS $LAVF_LIBS" ; then
528 # avcodec_decode_video2 is currently the most recently added function that we use; it was added in r18351
529 if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avcodec_decode_video2( NULL, NULL, NULL, NULL );" ; then
533 echo "Warning: libavformat is too old, update to ffmpeg r18351+"
538 if [ "$ffms_input" = "auto" ] ; then
539 ffms_major="2"; ffms_minor="13"; ffms_micro="1"; ffms_bump="0"
542 [ $ffms_micro -gt 0 -o $ffms_bump -gt 0 ] && vmicro=".$ffms_micro"
543 [ $ffms_bump -gt 0 ] && vbump=".$ffms_bump"
544 if ${cross_prefix}pkg-config --atleast-version="$ffms_major.$ffms_minor$vmicro$vbump" ffms2 2>$DEVNULL; then
545 FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
546 FFMS2_CFLAGS="$FFMS2_LIBS $(${cross_prefix}pkg-config --cflags ffms2)"
551 [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
553 if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
555 elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
557 FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
560 if [ $api_check = "yes" -a $ffms_input = "yes" ]; then
561 log_check "whether ffms2 version is at least $ffms_major.$ffms_minor$vmicro$vbump"
562 $CC $CFLAGS $FFMS2_CFLAGS -c -o conftest -x c - >$DEVNULL 2>&1 <<EOF
564 #if FFMS_VERSION < (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)
565 #error Requires ffms2 version 2.13.1
568 [ $? = 0 ] && log_ok || { ffms_input="no"; log_fail; }
572 if [ "$ffms_input" = "yes" ]; then
573 LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
574 [ -n "$FFMS2_CFLAGS" ] && CFLAGS="$CFLAGS $FFMS2_CFLAGS"
576 elif [ "$lavf_input" = "yes" ]; then
577 LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
578 [ -n "$LAVF_CFLAGS" ] && CFLAGS="$CFLAGS $LAVF_CFLAGS"
581 MP4_LDFLAGS="-lgpac_static"
582 if [ $SYS = MINGW ]; then
583 MP4_LDFLAGS="$MP4_LDFLAGS -lwinmm"
585 if [ "$mp4_output" = "auto" ] ; then
587 cc_check gpac/isomedia.h "$MP4_LDFLAGS" && mp4_output="yes"
589 if [ "$mp4_output" = "yes" ] ; then
591 LDFLAGSCLI="$LDFLAGSCLI $MP4_LDFLAGS"
594 if [ "$avs_input" = "auto" ] ; then
596 if [ $SYS = MINGW ] && cc_check avisynth_c.h ; then
599 define HAVE_AVISYNTH_C_H
600 elif [ $SYS = MINGW ] && cc_check extras/avisynth_c.h ; then
606 if [ "$pic" = "yes" ] ; then
607 CFLAGS="$CFLAGS -fPIC"
608 ASFLAGS="$ASFLAGS -DPIC"
609 # resolve textrels in the x86 asm
610 cc_check stdio.h -Wl,-Bsymbolic && LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
613 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
614 CFLAGS="$CFLAGS -s -fomit-frame-pointer"
615 LDFLAGS="$LDFLAGS -s"
618 if [ "$debug" = "yes" ]; then
619 CFLAGS="-O1 -g $CFLAGS"
620 elif [ $ARCH = ARM ]; then
621 # arm-gcc-4.2 produces incorrect output with -ffast-math
622 # and it doesn't save any speed anyway on 4.4, so disable it
623 CFLAGS="-O3 -fno-fast-math $CFLAGS"
625 CFLAGS="-O3 -ffast-math $CFLAGS"
628 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
631 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
632 define fseek fseeko64
633 define ftell ftello64
638 # generate config files
640 cat > config.mak << EOF
642 exec_prefix=$exec_prefix
645 includedir=$includedir
651 LDFLAGSCLI=$LDFLAGSCLI
659 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
663 if [ "$shared" = "yes" ]; then
664 API=$(grep '#define X264_BUILD' < x264.h | cut -f 3 -d ' ')
665 if [ "$SYS" = "MINGW" ]; then
666 echo "SONAME=libx264-$API.dll" >> config.mak
667 echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
668 echo 'SOFLAGS=-Wl,--out-implib,$(IMPLIBNAME) -Wl,--enable-auto-image-base' >> config.mak
669 elif [ "$SYS" = "MACOSX" ]; then
670 echo "SOSUFFIX=dylib" >> config.mak
671 echo "SONAME=libx264.$API.dylib" >> config.mak
672 echo 'SOFLAGS=-dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name $(DESTDIR)$(libdir)/$(SONAME)' >> config.mak
673 elif [ "$SYS" = "SunOS" ]; then
674 echo "SOSUFFIX=so" >> config.mak
675 echo "SONAME=libx264.so.$API" >> config.mak
676 echo 'SOFLAGS=-Wl,-h,$(SONAME)' >> config.mak
678 echo "SOSUFFIX=so" >> config.mak
679 echo "SONAME=libx264.so.$API" >> config.mak
680 echo 'SOFLAGS=-Wl,-soname,$(SONAME)' >> config.mak
682 echo 'default: $(SONAME)' >> config.mak
687 pclibs="-L$libdir -lx264 $libpthread"
691 exec_prefix=$exec_prefix
693 includedir=$includedir
696 Description: H.264 (MPEG4 AVC) encoder library
697 Version: $(grep POINTVER < config.h | sed -e 's/.* "//; s/".*//')
699 Cflags: -I$includedir
702 cat > conftest.log <<EOF
706 avs input: $avs_input
707 lavf input: $lavf_input
708 ffms input: $ffms_input
709 mp4 output: $mp4_output
719 cat conftest.log >> config.log
724 echo "You can run 'make' or 'make fprofiled' now."