Index: /trunk/ppMerge/src/Makefile.am
===================================================================
--- /trunk/ppMerge/src/Makefile.am	(revision 7262)
+++ /trunk/ppMerge/src/Makefile.am	(revision 7263)
@@ -1,5 +1,5 @@
 bin_PROGRAMS = ppMerge
 
-ppMerge_CFLAGS += -g $(PSMODULE_CFLAGS) $(PSLIB_CFLAGS)
+ppMerge_CFLAGS += $(PSMODULE_CFLAGS) $(PSLIB_CFLAGS)
 ppMerge_LDFLAGS = $(PSMODULE_LIBS) $(PSLIB_LIBS)
 ### For profiling:
@@ -9,20 +9,20 @@
 ppMerge_SOURCES =		\
 	ppMerge.c		\
-	ppMergeBackground.c	\
 	ppMergeCheckInputs.c	\
 	ppMergeCombine.c	\
 	ppMergeConfig.c		\
 	ppMergeData.c		\
-	ppMergeOptions.c
+	ppMergeOptions.c	\
+	ppMergeScaleZero.c
 
 
 noinst_HEADERS =		\
 	ppMerge.h		\
-	ppMergeBackground.h	\
 	ppMergeCheckInputs.h	\
 	ppMergeCombine.h	\
 	ppMergeConfig.h		\
 	ppMergeData.h		\
-	ppMergeOptions.h
+	ppMergeOptions.h	\
+	ppMergeScaleZero.h
 
 CLEANFILES = *~
Index: /trunk/ppMerge/src/ppMerge.c
===================================================================
--- /trunk/ppMerge/src/ppMerge.c	(revision 7262)
+++ /trunk/ppMerge/src/ppMerge.c	(revision 7263)
@@ -8,6 +8,6 @@
 #include "ppMergeOptions.h"
 #include "ppMergeCheckInputs.h"
-#include "ppMergeBackground.h"
 #include "ppMergeCombine.h"
+#include "ppMergeScaleZero.h"
 
 //#include "ppMem.h"
Index: /trunk/ppMerge/src/ppMergeScaleZero.c
===================================================================
--- /trunk/ppMerge/src/ppMergeScaleZero.c	(revision 7262)
+++ /trunk/ppMerge/src/ppMergeScaleZero.c	(revision 7263)
@@ -5,5 +5,5 @@
 
 #include "ppMerge.h"
-#include "ppMergeBackground.h"
+#include "ppMergeScaleZero.h"
 
 #define MAX_ITER 10                     // Maximum number of iterations for pmFlatNormalize
Index: /trunk/ppMerge/src/ppMergeScaleZero.h
===================================================================
--- /trunk/ppMerge/src/ppMergeScaleZero.h	(revision 7262)
+++ /trunk/ppMerge/src/ppMergeScaleZero.h	(revision 7263)
@@ -1,4 +1,4 @@
-#ifndef PP_MERGE_BACKGROUND_H
-#define PP_MERGE_BACKGROUND_H
+#ifndef PP_MERGE_SCALE_ZERO_H
+#define PP_MERGE_SCALE_ZERO_H
 
 #include <pslib.h>