--- Tk/unix/Makefile.in.orig	Sun Oct 25 22:52:31 1998
+++ Tk/unix/Makefile.in	Fri Aug 15 20:15:21 2008
@@ -98,7 +98,7 @@ LIBS = @TCL_BUILD_LIB_SPEC@ @LIBS@ $(X11_LIB_SWITCHES)
 
 # To change the compiler switches, for example to change from -O
 # to -g, change the following line:
-CFLAGS = -O
+#CFLAGS = -O
 
 # To turn off the security checks that disallow incoming sends when
 # the X server appears to be insecure, reverse the comments on the
