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configure
executable file
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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
--disable-win32thread disable win32threads (windows only)
--disable-interlaced disable interlaced encoding support
--bit-depth=BIT_DEPTH set output bit depth (8, 10, all) [all]
--chroma-format=FORMAT output chroma format (400, 420, 422, 444, all) [all]
Advanced options:
--disable-asm disable platform-specific assembly optimizations
--enable-lto enable link-time optimization
--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
}
cc_cflags() {
# several non gcc compilers issue an incredibly large number of warnings on high warning levels,
# suppress them by reducing the warning level rather than having to use #pragmas
for arg in $*; do
[[ "$arg" = -falign-loops* ]] && arg=
[ "$arg" = -fno-tree-vectorize ] && arg=
[ "$arg" = -Wshadow ] && arg=
[ "$arg" = -Wno-maybe-uninitialized ] && arg=
[[ "$arg" = -mpreferred-stack-boundary* ]] && arg=
[[ "$arg" = -l* ]] && arg=
[[ "$arg" = -L* ]] && arg=
if [ $compiler_style = MS ]; then
[ "$arg" = -ffast-math ] && arg="-fp:fast"
[ "$arg" = -Wall ] && arg=
[ "$arg" = -Werror ] && arg="-W3 -WX"
[ "$arg" = -g ] && arg=-Z7
[ "$arg" = -fomit-frame-pointer ] && arg=
[ "$arg" = -s ] && arg=
[ "$arg" = -fPIC ] && arg=
else
[ "$arg" = -ffast-math ] && arg=
[ "$arg" = -Wall ] && arg=
[ "$arg" = -Werror ] && arg="-w3 -Werror"
fi
[ $compiler = CL -a "$arg" = -O3 ] && arg=-O2
[ -n "$arg" ] && echo -n "$arg "
done
}
cl_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" = -fno-tree-vectorize ] && arg=
[ "$arg" = -Werror ] && arg=
[ "$arg" = -Wshadow ] && arg=
[ "$arg" = -Wmaybe-uninitialized ] && arg=
[[ "$arg" = -Qdiag-error* ]] && arg=
arg=${arg/pthreadGC/pthreadVC}
[ "$arg" = avifil32.lib ] && arg=vfw32.lib
[ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
[ "$arg" = x264.lib ] && arg=libx264.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
for arg in $1; do
echo "#include <$arg>" >> conftest.c
done
echo "int main (void) { $3 return 0; }" >> conftest.c
if [ $compiler_style = MS ]; then
cc_cmd="$CC conftest.c $(cc_cflags $CFLAGS $CHECK_CFLAGS $2) -link $(cl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
else
cc_cmd="$CC conftest.c $CFLAGS $CHECK_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
for arg in $1; do
echo "#include <$arg>" >> conftest.c
done
echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
if [ $compiler_style = MS ]; then
cpp_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -P"
else
cpp_cmd="$CC conftest.c $CFLAGS $2 -E -o conftest"
fi
if $cpp_cmd >conftest.log 2>&1; then
res=$?
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 "$1" > conftest$AS_EXT
as_cmd="$AS conftest$AS_EXT $ASFLAGS $2 -o conftest.o"
if $as_cmd >conftest.log 2>&1; then
res=$?
log_ok
else
res=$?
log_fail
log_msg "Failed commandline was:"
log_msg "--------------------------------------------------"
log_msg "$as_cmd"
cat conftest.log >> config.log
log_msg "--------------------------------------------------"
log_msg "Failed program was:"
log_msg "--------------------------------------------------"
cat conftest$AS_EXT >> config.log
log_msg "--------------------------------------------------"
fi
return $res
}
rc_check() {
log_check "whether $RC works"
echo "$1" > conftest.rc
if [ $compiler = GNU ]; then
rc_cmd="$RC $RCFLAGS -o conftest.o conftest.rc"
else
rc_cmd="$RC $RCFLAGS -foconftest.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
}
pkg_check() {
log_check "for packages: $1"
pkg_cmd="$PKGCONFIG --exists $1"
if $pkg_cmd >conftest.log 2>&1; then
res=$?
log_ok
else
res=$?
log_fail
log_msg "Failed commandline was:"
log_msg "--------------------------------------------------"
log_msg "$pkg_cmd"
cat conftest.log >> 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
}
configure_system_override() {
log_check "system libx264 configuration"
x264_config_path="$1/x264_config.h"
if [ -e "$x264_config_path" ]; then
res=$?
log_ok
arg="$(grep '#define X264_GPL ' $x264_config_path | sed -e 's/#define X264_GPL *//; s/ *$//')"
if [ -n "$arg" ]; then
[ "$arg" = 0 ] && arg="no" || arg="yes"
[ "$arg" != "$gpl" ] && die "Incompatible license with system libx264"
fi
arg="$(grep '#define X264_BIT_DEPTH ' $x264_config_path | sed -e 's/#define X264_BIT_DEPTH *//; s/ *$//')"
if [ -n "$arg" ]; then
[ "$arg" = 0 ] && arg="all"
if [ "$arg" != "$bit_depth" ]; then
echo "Override output bit depth with system libx264 configuration"
bit_depth="$arg"
fi
fi
arg="$(grep '#define X264_CHROMA_FORMAT ' $x264_config_path | sed -e 's/#define X264_CHROMA_FORMAT *//; s/ *$//')"
if [ -n "$arg" ]; then
[ "$arg" = 0 ] && arg="all" || arg="${arg#X264_CSP_I}"
if [ "$arg" != "$chroma_format" ]; then
echo "Override output chroma format with system libx264 configuration"
chroma_format="$arg"
fi
fi
arg="$(grep '#define X264_INTERLACED ' $x264_config_path | sed -e 's/#define X264_INTERLACED *//; s/ *$//')"
if [ -n "$arg" ]; then
[ "$arg" = 0 ] && arg="no" || arg="yes"
if [ "$arg" != "$interlaced" ]; then
echo "Override interlaced encoding support with system libx264 configuration"
interlaced="$arg"
fi
fi
else
res=$?
log_fail
log_msg "Failed search path was: $x264_config_path"
fi
return $res
}
rm -f x264_config.h config.h config.mak config.log x264.pc x264.def
rm -rf conftest*
# Construct a path to the specified directory relative to the working directory
relative_path() {
local base="${PWD%/}"
local path="$(cd "$1" >/dev/null; printf '%s/.' "${PWD%/}")"
local up=''
while [[ $path != "$base/"* ]]; do
base="${base%/*}"
up="../$up"
done
dirname "$up${path#"$base/"}"
}
SRCPATH="$(relative_path "$(dirname "$0")")"
echo "$SRCPATH" | grep -q ' ' && 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"
lto="no"
debug="no"
gprof="no"
strip="no"
pic="no"
bit_depth="all"
chroma_format="all"
compiler="GNU"
compiler_style="GNU"
opencl="yes"
vsx="auto"
CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
LDFLAGS="$LDFLAGS"
LDFLAGSCLI="$LDFLAGSCLI"
ASFLAGS="$ASFLAGS -I. -I\$(SRCPATH)"
RCFLAGS="$RCFLAGS"
CHECK_CFLAGS=""
HAVE_GETOPT_LONG=1
cross_prefix=""
EXE=""
AS_EXT=".S"
NL="
"
# list of all preprocessor HAVE values we can define
CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER \
MSA MMAP WINRT VSX ARM_INLINE_ASM STRTOK_R CLOCK_GETTIME BITDEPTH8 BITDEPTH10"
# parse options
for opt do
optarg="${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 $optarg"
;;
--disable-thread)
thread="no"
;;
--disable-win32thread)
[ "$thread" != "no" ] && thread="posix"
;;
--disable-swscale)
swscale="no"
;;
--enable-lto)
lto="auto"
;;
--enable-debug)
debug="yes"
;;
--enable-gprof)
CFLAGS="$CFLAGS -pg"
LDFLAGS="$LDFLAGS -pg"
gprof="yes"
;;
--enable-strip)
strip="yes"
;;
--enable-pic)
pic="yes"
;;
--host=*)
host="$optarg"
;;
--disable-vsx)
vsx="no"
;;
--disable-opencl)
opencl="no"
;;
--cross-prefix=*)
cross_prefix="$optarg"
;;
--sysroot=*)
CFLAGS="$CFLAGS --sysroot=$optarg"
LDFLAGS="$LDFLAGS --sysroot=$optarg"
;;
--bit-depth=*)
bit_depth="$optarg"
if [ "$bit_depth" != "8" -a "$bit_depth" != "10" -a "$bit_depth" != "all" ]; then
echo "Supplied bit depth must be 8, 10 or all."
exit 1
fi
;;
--chroma-format=*)
chroma_format="$optarg"
if [ $chroma_format != "400" -a $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
echo "Supplied chroma format must be 400, 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}"
STRIP="${STRIP-${cross_prefix}strip}"
INSTALL="${INSTALL-install}"
PKGCONFIG="${PKGCONFIG-${cross_prefix}pkg-config}"
# ar and ranlib doesn't load the LTO plugin by default, prefer the gcc-prefixed wrappers which does.
if ${cross_prefix}gcc-ar --version >/dev/null 2>&1; then
AR="${AR-${cross_prefix}gcc-ar}"
else
AR="${AR-${cross_prefix}ar}"
fi
if ${cross_prefix}gcc-ranlib --version >/dev/null 2>&1; then
RANLIB="${RANLIB-${cross_prefix}gcc-ranlib}"
else
RANLIB="${RANLIB-${cross_prefix}ranlib}"
fi
if [ "x$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="${host#*-}"
trap 'rm -rf conftest*' EXIT
# test for use of compilers that require specific handling
cc_base="$(basename "$CC")"
QPRE="-"
if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
if [[ "$cc_base" = icl || "$cc_base" = icl[\ .]* ]]; then
# Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
[[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
compiler=ICL
compiler_style=MS
CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
QPRE="-Q"
cpp_check '' '' '_MSC_VER >= 1400' || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
if cpp_check '' '' 'defined(_M_AMD64) || defined(_M_X64)' ; then
host_cpu=x86_64
elif cpp_check '' '' 'defined(_M_IX86)' ; then
host_cpu=i486
fi
if cc_check '' -Qdiag-error:10006,10157 ; then
CHECK_CFLAGS="$CHECK_CFLAGS -Qdiag-error:10006,10157"
fi
elif [[ "$cc_base" = cl || "$cc_base" = cl[\ .]* ]]; then
# Standard Microsoft Visual Studio
compiler=CL
compiler_style=MS
CFLAGS="$CFLAGS -nologo -GS- -DHAVE_STRING_H -I\$(SRCPATH)/extras"
cpp_check '' '' '_MSC_VER > 1800 || (_MSC_VER == 1800 && _MSC_FULL_VER >= 180030324)' || die "Microsoft Visual Studio support requires Visual Studio 2013 Update 2 or newer"
if cpp_check '' '' 'defined(_M_AMD64) || defined(_M_X64)' ; then
host_cpu=x86_64
elif cpp_check '' '' 'defined(_M_IX86)' ; then
host_cpu=i486
elif cpp_check '' '' 'defined(_M_ARM64)' ; then
host_cpu=aarch64
elif cpp_check '' '' 'defined(_M_ARM)' ; then
host_cpu=arm
fi
else
# MinGW uses broken pre-VS2015 Microsoft printf functions unless it's told to use the POSIX ones.
CFLAGS="$CFLAGS -D_POSIX_C_SOURCE=200112L"
fi
else
if [[ "$cc_base" = icc || "$cc_base" = icc[\ .]* ]]; then
AR="xiar"
compiler=ICC
fi
fi
if [ $compiler = GNU ]; then
if cc_check '' -Werror=unknown-warning-option ; then
CHECK_CFLAGS="$CHECK_CFLAGS -Werror=unknown-warning-option"
fi
fi
libm=""
case $host_os in
beos*)
SYS="BEOS"
define HAVE_MALLOC_H
;;
darwin*)
SYS="MACOSX"
libm="-lm"
if [ "$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"
;;
gnu*)
SYS="HURD"
define HAVE_MALLOC_H
libm="-lm"
;;
cygwin*|mingw*|msys*)
EXE=".exe"
if [[ $host_os = cygwin* ]] && cpp_check "" "" "defined(__CYGWIN__)" ; then
SYS="CYGWIN"
define HAVE_MALLOC_H
else
SYS="WINDOWS"
DEVNULL="NUL"
cc_check '' -lshell32 && LDFLAGSCLI="$LDFLAGSCLI -lshell32"
[ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc.exe}"
fi
;;
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"
;;
*haiku*)
SYS="HAIKU"
;;
*)
die "Unknown system $host, edit the configure"
;;
esac
LDFLAGS="$LDFLAGS $libm"
stack_alignment=4
case $host_cpu in
i*86)
ARCH="X86"
AS="${AS-nasm}"
AS_EXT=".asm"
ASFLAGS="$ASFLAGS -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
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 -msse2"
fi
CFLAGS="-m32 $CFLAGS"
LDFLAGS="-m32 $LDFLAGS"
fi
if [ "$SYS" = MACOSX ]; then
ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
[ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
[ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
else
ASFLAGS="$ASFLAGS -f elf32"
fi
;;
x86_64)
ARCH="X86_64"
AS="${AS-nasm}"
AS_EXT=".asm"
ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
stack_alignment=16
[ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
if [ "$SYS" = MACOSX ]; then
ASFLAGS="$ASFLAGS -f macho64 -DPREFIX"
if cc_check '' "-arch x86_64"; then
CFLAGS="$CFLAGS -arch x86_64"
LDFLAGS="$LDFLAGS -arch x86_64"
fi
elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
ASFLAGS="$ASFLAGS -f win64"
if [ $compiler = GNU ]; then
# only the GNU toolchain is inconsistent in prefixing function names with _
cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
cc_check "" "-Wl,--high-entropy-va" && LDFLAGS="$LDFLAGS -Wl,--high-entropy-va"
LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
LDFLAGSCLI="$LDFLAGSCLI -Wl,--image-base,0x140000000"
SOFLAGS="$SOFLAGS -Wl,--image-base,0x180000000"
RCFLAGS="--target=pe-x86-64 $RCFLAGS"
fi
else
ASFLAGS="$ASFLAGS -f elf64"
fi
;;
powerpc*)
ARCH="PPC"
if [ $asm = auto ] ; then
define HAVE_ALTIVEC
AS="${AS-${CC}}"
AS_EXT=".c"
if [ $SYS = MACOSX ] ; then
CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
else
CFLAGS="$CFLAGS -maltivec -mabi=altivec"
define HAVE_ALTIVEC_H
fi
if [ "$vsx" != "no" ] ; then
vsx="no"
if cc_check "" "-mvsx" ; then
CFLAGS="$CFLAGS -mvsx"
define HAVE_VSX
vsx="yes"
fi
fi
fi
;;
sparc)
ARCH="SPARC"
;;
mips*)
ARCH="MIPS"
AS="${AS-${CC}}"
AS_EXT=".c"
;;
arm*)
ARCH="ARM"
if [ "$SYS" = MACOSX ] ; then
AS="${AS-${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="$LDFLAGS -arch armv7"
fi
elif [ "$SYS" = WINDOWS ] && [ "$compiler" = CL ] ; then
AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -as-type armasm -force-thumb -- armasm -nologo -ignore 4509}"
elif [ "$SYS" = WINDOWS ] ; then
AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -as-type clang -force-thumb -- ${CC} -mimplicit-it=always}"
else
AS="${AS-${CC}}"
fi
;;
aarch64)
ARCH="AARCH64"
stack_alignment=16
if [ "$SYS" = MACOSX ] ; then
AS="${AS-${CC}}"
ASFLAGS="$ASFLAGS -DPREFIX -DPIC"
elif [ "$SYS" = WINDOWS ] && [ "$compiler" = CL ] ; then
AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -as-type armasm -- armasm64 -nologo}"
else
AS="${AS-${CC}}"
fi
;;
s390|s390x)
ARCH="S390"
;;
hppa*|parisc*)
ARCH="PARISC"
;;
ia64)
ARCH="IA64"
;;
alpha*)
ARCH="ALPHA"
;;
*)
ARCH="$(echo $host_cpu | tr a-z A-Z)"
;;
esac
[ "$vsx" != "yes" ] && vsx="no"
if [ $SYS = WINDOWS ]; then
if ! rc_check "0 RCDATA {0}" ; then
RC=""
fi
if cpp_check "winapifamily.h" "" "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)" ; then
[ $compiler = CL ] || die "WinRT requires MSVC"
define HAVE_WINRT
CFLAGS="$CFLAGS -MD"
LDFLAGS="$LDFLAGS -appcontainer"
if ! cpp_check "" "" "defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0603" ; then
die "_WIN32_WINNT must be defined to at least 0x0603 (Windows 8.1) for WinRT"
elif cpp_check "" "" "_WIN32_WINNT >= 0x0A00" ; then
# Universal Windows Platform (Windows 10)
LDFLAGS="$LDFLAGS -lWindowsApp"
fi
cli="no"
opencl="no"
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 [ $compiler_style = GNU ]; then
if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
CFLAGS="$CFLAGS -std=gnu99 -D_GNU_SOURCE"
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 \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" -o $ARCH = "IA64" -o $ARCH = "PARISC" -o $ARCH = "MIPS" -o $ARCH = "AARCH64" \) ] ; then
pic="yes"
fi
if [ $compiler = GNU -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
if cc_check '' -mpreferred-stack-boundary=6 ; then
CFLAGS="$CFLAGS -mpreferred-stack-boundary=6"
stack_alignment=64
elif cc_check '' -mstack-alignment=64 ; then
CFLAGS="$CFLAGS -mstack-alignment=64"
stack_alignment=64
elif [ $stack_alignment -lt 16 ] ; then
if cc_check '' -mpreferred-stack-boundary=4 ; then
CFLAGS="$CFLAGS -mpreferred-stack-boundary=4"
stack_alignment=16
elif cc_check '' -mstack-alignment=16 ; then
CFLAGS="$CFLAGS -mstack-alignment=16"
stack_alignment=16
fi
fi
elif [ $compiler = ICC -a $ARCH = X86 ]; then
# icc on linux has various degrees of mod16 stack support
if [ $SYS = LINUX ]; then
# >= 12 defaults to a mod16 stack
if cpp_check "" "" "__INTEL_COMPILER >= 1200" ; then
stack_alignment=16
# 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
elif cpp_check "" "" "__INTEL_COMPILER >= 1100" ; then
CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
stack_alignment=16
fi
# < 11 is completely incapable of keeping a mod16 stack
fi
fi
if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
if ! as_check "vmovdqa32 [eax]{k1}{z}, zmm0" ; then
VER="$( ($AS --version || echo no assembler) 2>/dev/null | head -n 1 )"
echo "Found $VER"
echo "Minimum version is nasm-2.13"
echo "If you really want to compile without asm, configure with --disable-asm."
exit 1
fi
cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
define HAVE_MMX
fi
if [ $asm = auto -a $ARCH = ARM ] ; then
# set flags so neon is built by default
[ $compiler == CL ] || echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
cc_check '' '' '__asm__("add r0, r1, r2");' && define HAVE_ARM_INLINE_ASM
if [ $compiler = CL ] && cpp_check '' '' 'defined(_M_ARM) && _M_ARM >= 7' ; then
define HAVE_ARMV6
define HAVE_ARMV6T2
define HAVE_NEON
elif cc_check '' '' '__asm__("rev ip, ip");' ; then define HAVE_ARMV6
cc_check '' '' '__asm__("movt r0, #0");' && define HAVE_ARMV6T2
cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
ASFLAGS="$ASFLAGS -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
if [ $asm = auto -a $ARCH = AARCH64 ] ; then
if [ $compiler = CL ] && cpp_check '' '' 'defined(_M_ARM64)' ; then
define HAVE_NEON
elif cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then
define HAVE_NEON
ASFLAGS="$ASFLAGS -c"
else
echo "no NEON support, try adding -mfpu=neon to CFLAGS"
echo "If you really want to run on such a CPU, configure with --disable-asm."
exit 1
fi
fi
if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
# check if the assembler supports '.func' (clang 3.5 does not)
as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
fi
if [ $asm = auto -a $ARCH = MIPS ] ; then
if ! echo $CFLAGS | grep -Eq '(-march|-mmsa|-mno-msa)' ; then
cc_check '' '-mmsa -mfp64 -mhard-float' && CFLAGS="-mmsa -mfp64 -mhard-float $CFLAGS"
fi
if cc_check '' '' '__asm__("addvi.b $w0, $w1, 1");' ; then
define HAVE_MSA
else
echo "You specified a pre-MSA 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 and MSVS, as all supported platforms are little. each have flags that will cause the check to fail as well
CPU_ENDIAN="little-endian"
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
CPU_ENDIAN="big-endian"