--- configure.in.orig	Sat Jul 22 15:43:10 2006
+++ configure.in	Sat Jul 22 15:43:37 2006
@@ -605,7 +605,7 @@
 # System dependencies.
 #
 
-CONF_OPT_FLAGS=-O2
+CONF_OPT_FLAGS="-O2"
 CONF_DEBUG_FLAGS=-g
 CONF_LIBNSL=yes
 CONF_EXCEPT_FLAGS=
@@ -630,7 +630,7 @@
   CFLAGS="-Wall $CFLAGS"
 
   if test X"$use_speed_tune" = Xyes; then
-    CONF_OPT_FLAGS=-O2
+    CONF_OPT_FLAGS="-O2"
   fi
 
   CONF_SHARED_CC="$CXX -shared"