Index: src/Makefile.in
--- src/Makefile.in.orig	2008-09-26 23:20:06 +0200
+++ src/Makefile.in	2008-09-27 20:41:56 +0200
@@ -20,9 +20,9 @@
 RUBBISH = $(NAME) $(OBJ) slices/test.*.* test.html *~
 AUTOGEN = $(GGO_OUT)
 
-CFLAGS      = -DHAVE_CONFIG_H @CFLAGS@
+CFLAGS      = -DHAVE_CONFIG_H @CFLAGS@ @CPPFLAGS@
 
-LIBS        = @LIBS@
+LIBS        = @LDFLAGS@ @LIBS@
 
 prefix      = @prefix@
 exec_prefix = @exec_prefix@