bug 423261 - Build failure when gcc was compiled with some option that contains "version", r=ted a1.9=beltzner

configure.in

@@ -1745,7 +1745,7 @@ case "$target" in
 
 *-*linux*)
     if test "$GNU_CC"; then
-        GCC_VERSION=`$CC -v 2>&1 | awk '/version/ { print $3 }'`
+        GCC_VERSION=`$CC -v 2>&1 | awk '/^gcc version/ { print $3 }'`
         case $GCC_VERSION in
         4.1.*|4.2.*)
             # -Os is broken on gcc 4.1.x and 4.2.x, we need to tweak it to get good results.