Make sure we're running dejagnu tests with the right compiler.

configure.ac

@@ -40,6 +40,11 @@ AX_CC_MAXOPT
 AX_CFLAGS_WARN_ALL
 if test "x$GCC" = "xyes"; then
   CFLAGS="$CFLAGS -fexceptions"
+  touch testsuite/local.exp
+else
+  cat > local.exp <<EOF
+set CC_FOR_TARGET $CC  
+EOF
 fi
 
 AM_MAINTAINER_MODE