diff -uNr src.ORIG/config/MacOSX.cf src/config/MacOSX.cf
--- src.ORIG/config/MacOSX.cf	Mon Jan 12 23:36:14 2004
+++ src/config/MacOSX.cf	Wed Jan 14 01:20:02 2004
@@ -73,7 +73,7 @@
 #define	BuildDPMSExt	NO
 
 # define BuildXvExt     NO
-#define OptimizedCDebugFlags -O -pipe
+#define OptimizedCDebugFlags -O0 -g -pipe
 #define ExtraLoadFlags -L/usr/X11R6/lib
 
 #define BuildExamples YES
@@ -101,7 +101,7 @@
 
 #define PrimaryScreenResolution 95	/* for 17 inch screen */
 
-#define ServerCDebugFlags -O -g -pipe
+#define ServerCDebugFlags -O0 -g -pipe
 
 /* #define HasGcc YES */
 #ifndef HasGcc
@@ -129,7 +129,7 @@
 #define FortranCmd              g77
 #define XargsCmd                xargs
 #define FortranSaveFlags        /* */ /* Everything static !? */
-#define OptimisedFortranFlags	-O -funroll-loops -fomit-frame-pointer
+#define OptimisedFortranFlags	-O0 -g -funroll-loops -fomit-frame-pointer
 #define DefaultFCOptions        -fno-automatic \
 				-fno-second-underscore \
 				-fno-f90 -fugly-complex -fno-globals \