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configure
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#!/bin/bash
if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
cat <<EOF
Usage: ./configure [options]
Help:
-h, --help print this message
Standard options:
--prefix=PREFIX install architecture-independent files in PREFIX
[/usr/local]
--exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
[PREFIX]
--bindir=DIR install binaries in DIR [EPREFIX/bin]
--libdir=DIR install libs in DIR [EPREFIX/lib]
--includedir=DIR install includes in DIR [PREFIX/include]
--extra-asflags=EASFLAGS add EASFLAGS to ASFLAGS
--extra-cflags=ECFLAGS add ECFLAGS to CFLAGS
--extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS
--extra-rcflags=ERCFLAGS add ERCFLAGS to RCFLAGS
Configuration options:
--disable-cli disable cli
--system-libx264 use system libx264 instead of internal
--enable-shared build shared library
--enable-static build static library
--disable-opencl disable OpenCL features
--disable-gpl disable GPL-only features
--disable-thread disable multithreaded encoding
--enable-win32thread use win32threads (windows only)
--disable-interlaced disable interlaced encoding support
--bit-depth=BIT_DEPTH set output bit depth (8-10) [8]
--chroma-format=FORMAT output chroma format (420, 422, 444, all) [all]
Advanced options:
--disable-asm disable platform-specific assembly optimizations
--enable-debug add -g
--enable-gprof add -pg
--enable-strip add -s
--enable-pic build position-independent code
Cross-compilation:
--host=HOST build programs to run on HOST
--cross-prefix=PREFIX use PREFIX for compilation tools
--sysroot=SYSROOT root of cross-build tree
External library support:
--disable-avs disable avisynth support
--disable-swscale disable swscale support
--disable-lavf disable libavformat support
--disable-ffms disable ffmpegsource support
--disable-gpac disable gpac support
--disable-lsmash disable lsmash support
EOF
exit 1
fi
log_check() {
echo -n "checking $1... " >> config.log
}
log_ok() {
echo "yes" >> config.log
}
log_fail() {
echo "no" >> config.log
}
log_msg() {
echo "$1" >> config.log
}
intel_cflags() {
# Intel Compiler issues an incredibly large number of warnings on any warning level,
# suppress them by disabling all warnings rather than having to use #pragmas to disable most of them
for arg in $*; do
[ $arg = -ffast-math ] && arg=
[[ "$arg" = -falign-loops* ]] && arg=
[ "$arg" = -fno-tree-vectorize ] && arg=
[ "$arg" = -Wshadow ] && arg=
[[ "$arg" = -mpreferred-stack-boundary* ]] && arg=
[[ "$arg" = -l* ]] && arg=
[[ "$arg" = -L* ]] && arg=
if [ $compiler = ICL ]; then
[ "$arg" = -Wall ] && arg=-W0
[ "$arg" = -g ] && arg=-Z7
[ "$arg" = -fomit-frame-pointer ] && arg=
[ "$arg" = -s ] && arg=
[ "$arg" = -fPIC ] && arg=
else
[ "$arg" = -Wall ] && arg=-w0
fi
[ -n "$arg" ] && echo -n "$arg "
done
}
icl_ldflags() {
for arg in $*; do
arg=${arg/LIBPATH/libpath}
[ ${arg#-libpath:} == $arg -a ${arg#-l} != $arg ] && arg=${arg#-l}.lib
[ ${arg#-L} != $arg ] && arg=-libpath:${arg#-L}
[ $arg = -Wl,--large-address-aware ] && arg=-largeaddressaware
[ $arg = -s ] && arg=
[ "$arg" = -Wl,-Bsymbolic ] && arg=
arg=${arg/pthreadGC/pthreadVC}
[ "$arg" = avifil32.lib ] && arg=vfw32.lib
[ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
[ -n "$arg" ] && echo -n "$arg "
done
}
cc_check() {
if [ -z "$3" ]; then
if [ -z "$1$2" ]; then
log_check "whether $CC works"
elif [ -z "$1" ]; then
log_check "for $2"
else
log_check "for $1"
fi
elif [ -z "$1" ]; then
if [ -z "$2" ]; then
log_check "whether $CC supports $3"
else
log_check "whether $CC supports $3 with $2"
fi
else
log_check "for $3 in $1";
fi
rm -f conftest.c
[ -n "$1" ] && echo "#include <$1>" > conftest.c
echo "int main () { $3 return 0; }" >> conftest.c
if [ $compiler = ICL ]; then
cc_cmd="$CC conftest.c $(intel_cflags $CFLAGS $2) -link $(icl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
else
cc_cmd="$CC conftest.c $CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
fi
if $cc_cmd >conftest.log 2>&1; then
res=$?
log_ok
else
res=$?
log_fail
log_msg "Failed commandline was:"
log_msg "--------------------------------------------------"
log_msg "$cc_cmd"
cat conftest.log >> config.log
log_msg "--------------------------------------------------"
log_msg "Failed program was:"
log_msg "--------------------------------------------------"
cat conftest.c >> config.log
log_msg "--------------------------------------------------"
fi
return $res
}
cpp_check() {
log_check "whether $3 is true"
rm -f conftest.c
[ -n "$1" ] && echo "#include <$1>" > conftest.c
echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
if $CC conftest.c $CFLAGS $2 -E -o conftest >conftest.log 2>&1; then
res=$?
log_ok
else
res=$?
log_fail
log_msg "--------------------------------------------------"
cat conftest.log >> config.log
log_msg "--------------------------------------------------"
log_msg "Failed program was:"
log_msg "--------------------------------------------------"
cat conftest.c >> config.log
log_msg "--------------------------------------------------"
fi
return $res
}
as_check() {
log_check "whether $AS supports $1"
echo "$1" > conftest.asm
if $AS conftest.asm $ASFLAGS $2 -o conftest.o >conftest.log 2>&1; then
res=$?
log_ok
else
res=$?
log_fail
log_msg "Failed commandline was:"
log_msg "--------------------------------------------------"
log_msg "$AS conftest.asm $ASFLAGS $2 -o conftest.o"
cat conftest.log >> config.log
log_msg "--------------------------------------------------"
log_msg "Failed program was:"
log_msg "--------------------------------------------------"
cat conftest.asm >> config.log
log_msg "--------------------------------------------------"
fi
return $res
}
rc_check() {
log_check "whether $RC works"
echo "$1" > conftest.rc
if [ $compiler = ICL ]; then
rc_cmd="$RC $RCFLAGS -foconftest.o conftest.rc"
else
rc_cmd="$RC $RCFLAGS -o conftest.o conftest.rc"
fi
if $rc_cmd >conftest.log 2>&1; then
res=$?
log_ok
else
res=$?
log_fail
log_msg "Failed commandline was:"
log_msg "--------------------------------------------------"
log_msg "$rc_cmd"
cat conftest.log >> config.log
log_msg "--------------------------------------------------"
log_msg "Failed program was:"
log_msg "--------------------------------------------------"
cat conftest.rc >> config.log
log_msg "--------------------------------------------------"
fi
return $res
}
define() {
echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
}
die() {
log_msg "DIED: $@"
echo "$@"
exit 1
}
rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
SRCPATH="$(cd $(dirname $0); pwd)"
[ "$SRCPATH" = "$(pwd)" ] && SRCPATH=.
[ -n "$(echo $SRCPATH | grep ' ')" ] && die "Out of tree builds are impossible with whitespace in source path."
[ -e "$SRCPATH/config.h" -o -e "$SRCPATH/x264_config.h" ] && die "Out of tree builds are impossible with config.h/x264_config.h in source dir."
prefix='/usr/local'
exec_prefix='${prefix}'
bindir='${exec_prefix}/bin'
libdir='${exec_prefix}/lib'
includedir='${prefix}/include'
DEVNULL='/dev/null'
cli="yes"
cli_libx264="internal"
shared="no"
static="no"
avs="auto"
lavf="auto"
ffms="auto"
gpac="auto"
lsmash="auto"
mp4="no"
gpl="yes"
thread="auto"
swscale="auto"
asm="auto"
interlaced="yes"
debug="no"
gprof="no"
strip="no"
pic="no"
bit_depth="8"
chroma_format="all"
compiler="GNU"
opencl="yes"
CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
LDFLAGS="$LDFLAGS"
LDFLAGSCLI="$LDFLAGSCLI"
ASFLAGS="$ASFLAGS"
RCFLAGS="$RCFLAGS"
HAVE_GETOPT_LONG=1
cross_prefix=""
EXE=""
# list of all preprocessor HAVE values we can define
CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH"
# parse options
for opt do
optarg="${opt#*=}"
case "$opt" in
--prefix=*)
prefix="$optarg"
;;
--exec-prefix=*)
exec_prefix="$optarg"
;;
--bindir=*)
bindir="$optarg"
;;
--libdir=*)
libdir="$optarg"
;;
--includedir=*)
includedir="$optarg"
;;
--disable-cli)
cli="no"
;;
--system-libx264)
cli_libx264="system"
;;
--enable-shared)
shared="yes"
;;
--enable-static)
static="yes"
;;
--disable-asm)
asm="no"
;;
--disable-interlaced)
interlaced="no"
;;
--disable-avs)
avs="no"
;;
--disable-lavf)
lavf="no"
;;
--disable-ffms)
ffms="no"
;;
--disable-gpac)
gpac="no"
;;
--disable-lsmash)
lsmash="no"
;;
--disable-gpl)
gpl="no"
;;
--extra-asflags=*)
ASFLAGS="$ASFLAGS $optarg"
;;
--extra-cflags=*)
CFLAGS="$CFLAGS $optarg"
;;
--extra-ldflags=*)
LDFLAGS="$LDFLAGS $optarg"
;;
--extra-rcflags=*)
RCFLAGS="$RCFLAGS $optarg"
;;
--disable-thread)
thread="no"
;;
--enable-win32thread)
thread="win32"
;;
--disable-swscale)
swscale="no"
;;
--enable-debug)
debug="yes"
;;
--enable-gprof)
CFLAGS="$CFLAGS -pg"
LDFLAGS="$LDFLAGS -pg"
gprof="yes"
;;
--enable-strip)
strip="yes"
;;
--enable-pic)
pic="yes"
;;
--host=*)
host="$optarg"
;;
--disable-opencl)
opencl="no"
;;
--cross-prefix=*)
cross_prefix="$optarg"
;;
--sysroot=*)
CFLAGS="$CFLAGS --sysroot=$optarg"
LDFLAGS="$LDFLAGS --sysroot=$optarg"
;;
--bit-depth=*)
bit_depth="$optarg"
if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
echo "Supplied bit depth must be in range [8,10]."
exit 1
fi
bit_depth=`expr $bit_depth + 0`
;;
--chroma-format=*)
chroma_format="$optarg"
if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
echo "Supplied chroma format must be 420, 422, 444 or all."
exit 1
fi
;;
*)
echo "Unknown option $opt, ignored"
;;
esac
done
[ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
CC="${CC-${cross_prefix}gcc}"
AR="${AR-${cross_prefix}ar}"
RANLIB="${RANLIB-${cross_prefix}ranlib}"
STRIP="${STRIP-${cross_prefix}strip}"
INSTALL="${INSTALL-install}"
if [ "x$host" = x ]; then
host=`${SRCPATH}/config.guess`
fi
# normalize a triplet into a quadruplet
host=`${SRCPATH}/config.sub $host`
# split $host
host_cpu="${host%%-*}"
host="${host#*-}"
host_vendor="${host%%-*}"
host_os="${host#*-}"
# test for use of Intel Compiler
if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
if [[ `basename "$CC"` = icl* ]]; then
# Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
[[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
compiler=ICL
CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
QPRE="-Q"
`$CC 2>&1 | grep -q IA-32` && host_cpu=i486
`$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
fi
else
if [[ `basename "$CC"` = icc* ]]; then
AR="xiar"
compiler=ICC
QPRE="-"
fi
fi
libm=""
case $host_os in
beos*)
SYS="BEOS"
define HAVE_MALLOC_H
;;
darwin*)
SYS="MACOSX"
CFLAGS="$CFLAGS -falign-loops=16"
libm="-lm"
if [ "$pic" = "no" ]; then
cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
fi
;;
freebsd*)
SYS="FREEBSD"
libm="-lm"
;;
kfreebsd*-gnu)
SYS="FREEBSD"
define HAVE_MALLOC_H
libm="-lm"
;;
netbsd*)
SYS="NETBSD"
libm="-lm"
;;
openbsd*)
SYS="OPENBSD"
libm="-lm"
;;
*linux*)
SYS="LINUX"
define HAVE_MALLOC_H
libm="-lm"
LDFLAGS="$LDFLAGS -lrt"
;;
gnu*)
SYS="HURD"
define HAVE_MALLOC_H
libm="-lm"
;;
cygwin*)
EXE=".exe"
if cc_check "" -mno-cygwin; then
CFLAGS="$CFLAGS -mno-cygwin"
LDFLAGS="$LDFLAGS -mno-cygwin"
fi
if cpp_check "" "" "defined(__CYGWIN__)" ; then
define HAVE_MALLOC_H
SYS="CYGWIN"
else
SYS="WINDOWS"
DEVNULL="NUL"
LDFLAGSCLI="$LDFLAGSCLI -lshell32"
RC="${RC-${cross_prefix}windres}"
fi
;;
mingw*)
SYS="WINDOWS"
EXE=".exe"
DEVNULL="NUL"
LDFLAGSCLI="$LDFLAGSCLI -lshell32"
[ $compiler = ICL ] && RC="${RC-rc}" || RC="${RC-${cross_prefix}windres}"
;;
sunos*|solaris*)
SYS="SunOS"
define HAVE_MALLOC_H
libm="-lm"
if cc_check "" /usr/lib/64/values-xpg6.o; then
LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
else
LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
fi
if test -x /usr/ucb/install ; then
INSTALL=/usr/ucb/install
elif test -x /usr/bin/ginstall ; then
# OpenSolaris
INSTALL=/usr/bin/ginstall
elif test -x /usr/gnu/bin/install ; then
# OpenSolaris
INSTALL=/usr/gnu/bin/install
fi
HAVE_GETOPT_LONG=0
;;
*qnx*)
SYS="QNX"
define HAVE_MALLOC_H
libm="-lm"
HAVE_GETOPT_LONG=0
CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
;;
*)
die "Unknown system $host, edit the configure"
;;
esac
LDFLAGS="$LDFLAGS $libm"
stack_alignment=16
case $host_cpu in
i*86)
ARCH="X86"
AS="yasm"
ASFLAGS="$ASFLAGS -O2"
if [ $compiler = GNU ]; then
if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
CFLAGS="$CFLAGS -march=i686"
fi
if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
CFLAGS="$CFLAGS -mfpmath=sse -msse"
fi
CFLAGS="-m32 $CFLAGS"
LDFLAGS="-m32 $LDFLAGS"
else
# icc on linux has various degrees of mod16 stack support
if [ $SYS = LINUX ]; then
# < 11 is completely incapable of keeping a mod16 stack
if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
stack_alignment=4
# 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
fi
# >= 12 defaults to a mod16 stack
fi
# icl on windows has no mod16 stack support
[ $SYS = WINDOWS ] && stack_alignment=4
fi
if [ "$SYS" = MACOSX ]; then
ASFLAGS="$ASFLAGS -f macho -DPREFIX"
elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
[ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
[ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
else
ASFLAGS="$ASFLAGS -f elf"
fi
;;
x86_64)
ARCH="X86_64"
AS="yasm"
[ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
if [ "$SYS" = MACOSX ]; then
ASFLAGS="$ASFLAGS -f macho64 -m amd64 -DPIC -DPREFIX"
if cc_check '' "-arch x86_64"; then
CFLAGS="$CFLAGS -arch x86_64"
LDFLAGS="$LDFLAGS -arch x86_64"
fi
elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
ASFLAGS="$ASFLAGS -f win32 -m amd64"
# only the GNU toolchain is inconsistent in prefixing function names with _
[ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
[ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
[ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
else
ASFLAGS="$ASFLAGS -f elf -m amd64"
fi
;;
powerpc|powerpc64)
ARCH="PPC"
if [ $asm = auto ] ; then
define HAVE_ALTIVEC
AS="${AS-${cross_prefix}gcc}"
if [ $SYS = MACOSX ] ; then
CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
else
CFLAGS="$CFLAGS -maltivec -mabi=altivec"
define HAVE_ALTIVEC_H
fi
fi
;;
sparc)
ARCH="SPARC"
case $(uname -m) in
sun4u|sun4v)
if [ $asm = auto ]; then
ARCH="UltraSPARC"
if ! echo $CFLAGS | grep -Eq '\-mcpu' ; then
CFLAGS="$CFLAGS -mcpu=ultrasparc"
LDFLAGS="$LDFLAGS -mcpu=ultrasparc"
fi
AS="${AS-${cross_prefix}as}"
ASFLAGS="$ASFLAGS -xarch=v8plusa"
fi
;;
esac
;;
mips|mipsel|mips64|mips64el)
ARCH="MIPS"
;;
arm*)
ARCH="ARM"
if [ "$SYS" = MACOSX ] ; then
AS="${AS-extras/gas-preprocessor.pl $CC}"
ASFLAGS="$ASFLAGS -DPREFIX -DPIC" # apple's ld doesn't support movw/movt relocations at all
# build for armv7 by default
if ! echo $CFLAGS | grep -Eq '\-arch' ; then
CFLAGS="$CFLAGS -arch armv7"
LDFLAGS="$LDFLAGS -arch armv7"
fi
else
AS="${AS-${cross_prefix}gcc}"
fi
;;
s390|s390x)
ARCH="S390"
;;
hppa*|parisc*)
ARCH="PARISC"
;;
ia64)
ARCH="IA64"
;;
alpha*)
ARCH="ALPHA"
;;
*)
ARCH="$(echo $host_cpu | tr a-z A-Z)"
;;
esac
if [ $SYS = WINDOWS ]; then
if ! rc_check "0 RCDATA {0}" ; then
RC=""
fi
fi
log_msg "x264 configure script"
if [ -n "$*" ]; then
msg="Command line options:"
for i in $@; do
msg="$msg \"$i\""
done
log_msg "$msg"
fi
log_msg ""
# check requirements
cc_check || die "No working C compiler found."
if [ $compiler != ICL ]; then
if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
CFLAGS="$CFLAGS -std=gnu99"
elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
die "C99 compiler is needed for compilation."
fi
fi
if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" -o $ARCH = "IA64" -o $ARCH = "PARISC" -o $ARCH = "MIPS" \) ] ; then
pic="yes"
fi
if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
if ! as_check "vpmovzxwd ymm0, xmm0" ; then
VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
echo "Found $VER"
echo "Minimum version is yasm-1.2.0"
echo "If you really want to compile without asm, configure with --disable-asm."
exit 1
fi
if ! cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' ; then
VER=`(${cross_prefix}as --version || echo no gnu as) 2>/dev/null | head -n 1`
echo "Found $VER"
echo "Minimum version is binutils-2.17"
echo "Your compiler can't handle inline SSSE3 asm."
echo "If you really want to compile without asm, configure with --disable-asm."
exit 1
fi
ASFLAGS="$ASFLAGS -Worphan-labels"
define HAVE_MMX
if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
stack_alignment=32
fi
fi
if [ $asm = auto -a $ARCH = ARM ] ; then
# set flags so neon is built by default
echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
if cc_check '' '' '__asm__("rev ip, ip");' ; then define HAVE_ARMV6
cc_check '' '' '__asm__("movt r0, #0");' && define HAVE_ARMV6T2
cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
ASFLAGS="$ASFLAGS $CFLAGS -c"
else
echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
echo "If you really want to run on such a CPU, configure with --disable-asm."
exit 1
fi
fi
[ $asm = no ] && AS=""
[ "x$AS" = x ] && asm="no" || asm="yes"
define ARCH_$ARCH
define SYS_$SYS
define STACK_ALIGNMENT $stack_alignment
ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
# skip endianness check for Intel Compiler, as all supported platforms are little. the -ipo flag will also cause the check to fail
if [ $compiler = GNU ]; then
echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
$CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
define WORDS_BIGENDIAN
elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
die "endian test failed"
fi
fi
# autodetect options that weren't forced nor disabled
# pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
[ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
libpthread=""
if [ "$thread" = "auto" ]; then
thread="no"
case $SYS in
BEOS)
thread="beos"
define HAVE_BEOSTHREAD
;;
WINDOWS)
if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
thread="posix"
libpthread="-lpthread"
elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
thread="posix"
libpthread="-lpthreadGC2"
elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
thread="posix"
libpthread="-lpthreadGC2 -lwsock32"
define PTW32_STATIC_LIB
elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
thread="posix"
libpthread="-lpthreadGC2 -lws2_32"
define PTW32_STATIC_LIB
else
# default to native threading if pthread-win32 is unavailable
thread="win32"
fi
;;
QNX)
cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
;;
*)
if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
thread="posix"
libpthread="-lpthread"
else
cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
fi
;;
esac
fi
if [ "$thread" = "posix" ]; then
LDFLAGS="$LDFLAGS $libpthread"
define HAVE_POSIXTHREAD
if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
define HAVE_CPU_COUNT
fi
fi
if [ "$thread" = "win32" ]; then
# cygwin does not support win32 threads
if [ "$SYS" = "WINDOWS" ]; then
define HAVE_WIN32THREAD
else
thread="no"
fi
fi
[ "$thread" != "no" ] && define HAVE_THREAD
if cc_check "math.h" "-Werror" "return log2f(2);" ; then
define HAVE_LOG2F
fi
if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
define HAVE_THP
fi
if [ "$swscale" = "auto" ] ; then
swscale="no"
if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
fi
[ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
swscale="yes"
else
echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
fi
fi
fi
if [ "$lavf" = "auto" ] ; then
lavf="no"
if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
fi
if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
LAVF_LIBS="-lavformat"
for lib in -lpostproc -lavcodec -lavcore -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
done
fi
LAVF_LIBS="-L. $LAVF_LIBS"
if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avformat_close_input(0);" ; then
if [ "$swscale" = "yes" ]; then
lavf="yes"
else
echo "Warning: libavformat is not supported without swscale support"
fi
fi
fi
if [ "$ffms" = "auto" ] ; then
ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
ffms="no"
if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
fi
[ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
ffms="yes"
elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
ffms="yes"
FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
fi
error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
ffms="no"
echo "Warning: $error"
fi
if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
echo "Warning: ffms is not supported without swscale support"
ffms="no"
fi
fi
if [ "$swscale" = "yes" ]; then
LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
define HAVE_SWSCALE
if [ "$lavf" = "yes" ]; then
LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
CFLAGS="$CFLAGS $LAVF_CFLAGS"
define HAVE_LAVF
fi
if [ "$ffms" = "yes" ]; then
LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
CFLAGS="$CFLAGS $FFMS2_CFLAGS"
define HAVE_FFMS
fi
fi
if [ "$lsmash" = "auto" ] ; then
lsmash="no"
if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
fi
[ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 0 || (LSMASH_VERSION_MAJOR == 0 && LSMASH_VERSION_MINOR >= 1)" ; then
lsmash="yes"
else
echo "Warning: lsmash is too old, update to rev.751 or later"
fi
fi
fi
if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
gpac="no"
GPAC_LIBS="-lgpac_static"
cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
if [ "$SYS" = "WINDOWS" ] ; then
cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
fi
if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
gpac="yes"
else
echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
fi
fi
fi
if [ "$lsmash" = "yes" ] ; then
mp4="lsmash"
LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
CFLAGS="$CFLAGS $LSMASH_CFLAGS"
define HAVE_LSMASH
elif [ "$gpac" = "yes" ] ; then
mp4="gpac"
define HAVE_GPAC
LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
fi
if [ "$avs" = "auto" ] ; then
avs="no"
# cygwin can use avisynth if it can use LoadLibrary
if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
avs="avisynth"
define HAVE_AVS
define USE_AVXSYNTH 0
elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
# AvxSynth currently only supports Linux and OSX
avs="avxsynth"
define HAVE_AVS
define USE_AVXSYNTH 1
AVS_LIBS="-ldl"
LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
fi
fi
cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
if [ "$pic" = "yes" ] ; then
CFLAGS="$CFLAGS -fPIC"
ASFLAGS="$ASFLAGS -DPIC"
# resolve textrels in the x86 asm
cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"