Index: trunk/Mars/Makefile
===================================================================
--- trunk/Mars/Makefile	(revision 17977)
+++ trunk/Mars/Makefile	(revision 17980)
@@ -87,4 +87,10 @@
 endif
 
+# Insert here "-I" and the path to your libnova installation, 
+# e.g. -ImyFolder/libnova/include.
+# Leave it empty, if libnova is installed 
+# to the default location (i.e. /usr/include/libnova).
+LIBNOVA_INCLUDE_PATH :=
+
 #LIBRARIES = $(SUBDIRS:%=lib/lib%.a)
 LIBRARIES := $(SUBDIRS:=.a)