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|
case "$machine" in
arm*)
base_machine=arm
case $config_os in
linux-gnueabi*)
# Lets ask the compiler which ARM family we've got
# Unfortunately it doesn't define any flags for implementations
# that you might pass to -mcpu or -mtune
# Note if you add patterns here you must ensure that
# an appropriate directory exists in sysdeps/arm
archcppflag=`echo "" |
$CC $CFLAGS $CPPFLAGS -E -dM - |
grep __ARM_ARCH |
sed -e 's/^#define //' -e 's/ .*//'`
case x$archcppflag in
x__ARM_ARCH_[89]*__)
machine=armv7
echo "Found compiler is configured for something newer than v7 - using v7"
;;
x__ARM_ARCH_7A__)
machine=armv7
echo "Found compiler is configured for $machine"
;;
x__ARM_ARCH_6T2__)
machine=armv6t2
echo "Found compiler is configured for $machine"
;;
*)
machine=arm
echo 2>&1 "arm/preconfigure: Did not find ARM architecture type; using default"
;;
esac
machine=arm/$machine
if [ "${CFLAGS+set}" != "set" ]; then
CFLAGS="-g -O2"
fi
CFLAGS="$CFLAGS -fno-unwind-tables"
;;
linux*)
echo "Old ABI no longer supported" 2>&1
exit 1
;;
esac
;;
esac
|
