diff -p -up enblend-enfuse-3.1/configure.in.cxxflags enblend-enfuse-3.1/configure.in
--- enblend-enfuse-3.1/configure.in.cxxflags	2008-07-20 11:34:12.000000000 -0400
+++ enblend-enfuse-3.1/configure.in	2008-07-20 11:34:36.000000000 -0400
@@ -119,7 +119,7 @@ if test "x$enable_debug" = "xyes"; then
   CXXFLAGS="$CXXFLAGS -g -DDEBUG -Wall"
   AC_MSG_RESULT(yes)
 else
-  CXXFLAGS="$CXXFLAGS -O3 -ffast-math -DNDEBUG -Wall"
+  CXXFLAGS="$CXXFLAGS -DNDEBUG -Wall"
   AC_MSG_RESULT(no)
 fi