--host=*|--target=*) target=${arg#*=} ;;
--build=*) build=${arg#*=} ;;
-* ) echo "$0: unknown option $arg" ;;
+AR=*) AR=${arg#*=} ;;
+RANLIB=*) RANLIB=${arg#*=} ;;
CC=*) CC=${arg#*=} ;;
CFLAGS=*) CFLAGS=${arg#*=} ;;
CPPFLAGS=*) CPPFLAGS=${arg#*=} ;;
or1k*) ARCH=or1k ;;
powerpc64*|ppc64*) ARCH=powerpc64 ;;
powerpc*|ppc*) ARCH=powerpc ;;
+riscv64*) ARCH=riscv64 ;;
sh[1-9bel-]*|sh|superh*) ARCH=sh ;;
s390x*) ARCH=s390x ;;
unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;;
trycppif "__NO_FPRS__ && !_SOFT_FLOAT" "$t" && fail \
"$0: error: compiler's floating point configuration is unsupported"
trycppif _SOFT_FLOAT "$t" && SUBARCH=${SUBARCH}-sf
+printf "checking whether compiler can use 'd' constraint in asm... "
+echo 'double f(double x) { __asm__ ("fabs %0, %1" : "=d"(x) : "d"(x)); return x; }' > "$tmpc"
+if $CC $CFLAGS_C99FSE $CPPFLAGS $CFLAGS -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
+printf "yes\n"
+else
+printf "no\n"
+CFLAGS_AUTO="$CFLAGS_AUTO -DBROKEN_PPC_D_ASM"
+CFLAGS_AUTO="${CFLAGS_AUTO# }"
+fi
fi
test "$ARCH" = "microblaze" && trycppif __MICROBLAZEEL__ "$t" \
trycppif _SOFT_FLOAT "$t" && fail "$0: error: soft-float not supported on powerpc64"
fi
+if test "$ARCH" = "riscv64" ; then
+trycppif __riscv_float_abi_soft "$t" && SUBARCH=${SUBARCH}-sf
+trycppif __riscv_float_abi_single "$t" && SUBARCH=${SUBARCH}-sp
+fi
+
if test "$ARCH" = "sh" ; then
tryflag CFLAGS_AUTO -Wa,--isa=any
trycppif __BIG_ENDIAN__ "$t" && SUBARCH=${SUBARCH}eb
# This version of config.mak was generated by:
# $cmdline
# Any changes made here will be lost if configure is re-run
+AR = ${AR:-\$(CROSS_COMPILE)ar}
+RANLIB = ${RANLIB:-\$(CROSS_COMPILE)ranlib}
ARCH = $ARCH
SUBARCH = $SUBARCH
ASMSUBARCH = $ASMSUBARCH