--- converter/ppm/ppmtompeg/Makefile.orig	2008-12-07 02:58:20.000000000 +0100
+++ converter/ppm/ppmtompeg/Makefile	2011-05-11 06:01:02.000000000 +0200
@@ -18,7 +18,8 @@
   JPEGLIBX = $(JPEGLIB)
 endif
 
-INCLUDES = -I$(SRCDIR)/$(SUBDIR)/headers 
+INCLUDES = 
+PREINCLUDES = -I$(SRCDIR)/$(SUBDIR)/headers 
 
 ifneq ($(JPEGHDR_DIR),NONE)
   ifneq ($(JPEGHDR_DIR)x,x)