diff -Nur lib.orig/libsdp/Makefile lib/libsdp/Makefile
--- lib.orig/libsdp/Makefile	2012-12-25 20:28:50.000000000 +0900
+++ lib/libsdp/Makefile	2012-12-25 20:31:19.000000000 +0900
@@ -5,7 +5,7 @@
 MAN=		sdp.3
 
 WARNS?=		2
-CFLAGS+=	-I${.CURDIR}
+CFLAGS+=	-I${.CURDIR} -I${.CURDIR}/../libbluetooth
 
 SHLIB_MAJOR=	4