--- Makefile.orig	2009-11-22 18:59:21.000000000 -0200
+++ Makefile	2009-11-22 19:04:15.000000000 -0200
@@ -41,6 +41,9 @@
 .include "${.CURDIR}/../../graphics/libGL/bsd.mesalib.mk"
 .include <bsd.port.pre.mk>
 
+CONFIGURE_ENV=  CPPFLAGS="${PTHREAD_CFLAGS} -I${LOCALBASE}/include" \
+                LDFLAGS="${PTHREAD_LIBS} -L${LOCALBASE}/lib"
+
 .if defined(WITH_NVIDIA_GL)
 CFLAGS+=	-DWITH_NVIDIA_GL=1
 .endif