1 files changed, 6 insertions, 4 deletions
diff --git a/sim/configure b/sim/configure
index 2729e69817..243ecc90e3 100755
--- a/sim/configure
+++ b/sim/configure
@@ -3589,10 +3589,12 @@ fi
 
 
 # Put a plausible default for CC_FOR_BUILD in Makefile.
-if test "x$cross_compiling" = "xno"; then
-  CC_FOR_BUILD='$(CC)'
-else
-  CC_FOR_BUILD=gcc
+if test -z "$CC_FOR_BUILD"; then
+  if test "x$cross_compiling" = "xno"; then
+    CC_FOR_BUILD='$(CC)'
+  else
+    CC_FOR_BUILD=gcc
+  fi
 fi
 
 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}