diff -Naur gpm-1.20.6.orig/src/Makefile.in gpm-1.20.6/src/Makefile.in

--- gpm-1.20.6.orig/src/Makefile.in	2009-02-09 10:58:53.000000000 +0100

+++ gpm-1.20.6/src/Makefile.in	2013-03-19 14:33:58.092659991 +0100

@@ -96,7 +96,7 @@

 	# create dependencies

 	for DEPS in `echo *.c */*.c`; do \

-	$(CC) -I. -I $(srcdir) -M @CPPFLAGS@ $(CPPFLAGS) $$DEPS | \

+	$(CC) -I. -Iheaders -I $(srcdir) -M @CPPFLAGS@ $(CPPFLAGS) $$DEPS | \

 	$(SED) 's/^\(.*\)\.o\([ :]+\)/\1.o \1.lo\2/g' >> $(DEPFILE) ; done

 ### INSTALL