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authorSteve Ellcey <sellcey@mips.com>2014-09-09 10:01:51 -0700
committerSteve Ellcey <sellcey@mips.com>2014-09-09 10:01:51 -0700
commit0febba23ddabcd971be5259ee20236b9e3efa690 (patch)
tree323b0d8e9bb694656311443346c7534af4f390a9 /sysdeps
parent645a0e9c179642578756777ddd6c3b71b0ae4ed4 (diff)
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Modify ABI tests in MIPS preconfigure.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/mips/preconfigure58
1 files changed, 24 insertions, 34 deletions
diff --git a/sysdeps/mips/preconfigure b/sysdeps/mips/preconfigure
index b215eb2c17..fb572d752f 100644
--- a/sysdeps/mips/preconfigure
+++ b/sysdeps/mips/preconfigure
@@ -1,34 +1,24 @@
-case "$machine" in
-mips64*)	base_machine=mips64
-		case "$CC $CFLAGS $CPPFLAGS " in
-		*" -mabi=n32 "*) mips_cc_abi=n32 ;;
-		*" -mabi=64 "*|*" -mabi=n64 "*) mips_cc_abi=64 ;;
-		*" -mabi=32 "*|*" -mabi=o32 "*) mips_cc_abi=32 ;;
-		*) mips_cc_abi=default ;;
-		esac
-		case $config_os in
-		*abin32*) mips_config_abi=n32 ;;
-		*abi64*|*abin64*) mips_config_abi=64 ;;
-		*abi32*|*abio32*) mips_config_abi=32 ;;
-		*) mips_config_abi=$mips_cc_abi ;;
-		esac
-		case $mips_config_abi in
-		default) machine=mips/mips64/n32 mips_config_abi=n32 ;;
-		n32) machine=mips/mips64/n32 ;;
-		64) machine=mips/mips64/n64 ;;
-		32) machine=mips/mips32/kern64 ;;
-		esac
-		machine=$machine/$config_machine
-		if test $mips_config_abi != $mips_cc_abi; then
-		  # This won't make it to config.make, but we want to
-		  # set this in case configure tests depend on it.
-		  CPPFLAGS="$CPPFLAGS -mabi=$mips_config_abi"
-		fi
-		;;
-mips*)		base_machine=mips
-		case "$CC $CFLAGS $CPPFLAGS " in
-		*" -mips16 "*) machine=mips/mips32/mips16/$machine ;;
-		*) machine=mips/mips32/$machine ;;
-		esac
-		;;
-esac
+abiflag=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define _MIPS_SIM \(.*\)/\1/p'`
+mips16flag=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __mips16 \(.*\)/\1/p'`
+
+base_machine=mips
+if test "$abiflag" = "_ABIO32" ; then
+	if test "$mips16flag" = "1" ; then
+		machine=mips/mips32/mips16
+	else
+		machine=mips/mips32
+	fi
+elif test "$abiflag" = "_ABIN32" ; then
+	machine=mips/mips64/n32
+elif test "$abiflag" = "_ABI64" ; then
+	machine=mips/mips64/n64
+else
+	as_fn_error $? "Unable to determine ABI." "$LINENO" 5
+fi
+# $config_machine is not really needed here but the slash after $machine is
+# needed by the case statement in sysdeps/unix/sysv/linux/mips/configure.ac.
+machine=$machine/$config_machine
+
+if test "$abiflag" != "_ABIO32" -a "$mips16flag" = "1"; then
+	as_fn_error $? "mips16 is only supported with the O32 ABI." "$LINENO" 5
+fi