--- ./src/Makefile.in.orig	Wed Nov 10 19:11:17 1999
+++ ./src/Makefile.in	Wed Nov 10 19:12:10 1999
@@ -105,7 +105,7 @@
 PROGRAMS =  $(bin_PROGRAMS)
 
 
-DEFS = @DEFS@ -I. -I$(srcdir) -I..
+DEFS = @DEFS@ -I. -I$(srcdir) -I.. -I${prefix}/include
 CPPFLAGS = @CPPFLAGS@
 LDFLAGS = @LDFLAGS@
 LIBS = @LIBS@
