--- svgalib-1.9.14/threeDKit/Makefile.orig	Wed May  8 14:47:56 2002
+++ svgalib-1.9.14/threeDKit/Makefile	Wed May  8 14:48:47 2002
@@ -14,7 +14,7 @@
 # Compiler Section (overrides Makefile.cfg)
 #----------------------------------------------------------------------
 
-INCLUDES += -I$(srcdir)/src
+INCLUDES += -I$(srcdir)/src -I$(srcdir)/gl
 
 #----------------------------------------------------------------------
 # Rules Section