--- Linux_i686.def	2003/09/28 18:58:28	1.1.1.1
+++ Linux_i686.def	2007/12/11 10:05:10	1.2
@@ -19,7 +19,7 @@
 
 
 # include path and library settings for C, C++, Fortran
-ARCH_INC =
+ARCH_INC = -O1
 
 # add other linker flags here, i.e. -L/usr/local/lib
 ARCH_LDFLAGS =