diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4f0f0e8cdd8..d8d1901c626 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Thu Jan  1 15:40:15 1998  Richard Henderson  <rth@cygnus.com>
+
+	* configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
+	* configure: Update.
+
 Thu Jan  1 10:49:12 1998  Jeffrey A Law  (law@cygnus.com)
 
 	* emit-rtl.c (operand_subword): Correctly handle extracting a word
diff --git a/gcc/configure b/gcc/configure
index 00e0b6045c5..11cbd126172 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -5636,7 +5636,7 @@ do
 	# This substitutes for lots of *.h files.
 	if [ x$target_cpu_default != x -a $link = tm.h ]
 	then
-		echo "#define TARGET_CPU_DEFAULT $target_cpu_default" >>$link
+		echo "#define TARGET_CPU_DEFAULT ($target_cpu_default)" >>$link
 	fi
 
 	for file in `eval echo '$'$var`; do
diff --git a/gcc/configure.in b/gcc/configure.in
index 677ddaf73c3..00f81f4a277 100644
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -2812,7 +2812,7 @@ do
 	# This substitutes for lots of *.h files.
 	if [[ x$target_cpu_default != x -a $link = tm.h ]]
 	then
-		echo "#define TARGET_CPU_DEFAULT $target_cpu_default" >>$link
+		echo "#define TARGET_CPU_DEFAULT ($target_cpu_default)" >>$link
 	fi
 
 	for file in `eval echo '$'$var`; do