Index: trunk/psModules/src/imcombine/Makefile.am
===================================================================
--- trunk/psModules/src/imcombine/Makefile.am	(revision 6872)
+++ trunk/psModules/src/imcombine/Makefile.am	(revision 7019)
@@ -3,9 +3,13 @@
 libpsmoduleimcombine_la_CPPFLAGS = $(SRCINC) $(PSMODULE_CFLAGS)
 libpsmoduleimcombine_la_LDFLAGS  = -release $(PACKAGE_VERSION)
-libpsmoduleimcombine_la_SOURCES  = pmImageCombine.c
+
+libpsmoduleimcombine_la_SOURCES  = \
+     pmImageCombine.c \
+     pmImageSubtract.c
 #    pmReadoutCombine.c
 
 psmoduleincludedir = $(includedir)
 psmoduleinclude_HEADERS = \
-    pmImageCombine.h
+    pmImageCombine.h \
+    pmImageSubtract.h
 #    pmReadoutCombine.h