diff -udprN /usr/ports/graphics/libGLU/Makefile ./Makefile
--- /usr/ports/graphics/libGLU/Makefile	2017-05-23 14:03:14.000000000 +0900
+++ ./Makefile	2019-10-29 16:11:32.122214000 +0900
@@ -2,19 +2,22 @@
 # $FreeBSD: head/graphics/libGLU/Makefile 441503 2017-05-23 05:03:14Z rezny $
 
 PORTNAME=	libGLU
-PORTVERSION=	9.0.0
-PORTREVISION=	3
+PORTVERSION=	9.0.1
 CATEGORIES=	graphics
-MASTER_SITES=	ftp://ftp.freedesktop.org/pub/mesa/glu/
+MASTER_SITES=	ftp://ftp.freedesktop.org/pub/mesa/glu/\
+		https://mesa.freedesktop.org/archive/glu/
 DISTNAME=	glu-${PORTVERSION}
 
 MAINTAINER=	x11@FreeBSD.org
 COMMENT=	OpenGL utility library
 
+LICENSE=	MIT
+
+USES=		gl libtool pathfix pkgconfig tar:xz
+
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-static
 INSTALL_TARGET=	install-strip
-USES=		libtool pathfix pkgconfig tar:bzip2
 USE_GL=		gl
 USE_LDCONFIG=	yes
 
diff -udprN /usr/ports/graphics/libGLU/distinfo ./distinfo
--- /usr/ports/graphics/libGLU/distinfo	2013-06-22 17:29:34.000000000 +0900
+++ ./distinfo	2019-10-29 16:11:39.100151000 +0900
@@ -1,2 +1,3 @@
-SHA256 (glu-9.0.0.tar.bz2) = 1f7ad0d379a722fcbd303aa5650c6d7d5544fde83196b42a73d1193568a4df12
-SIZE (glu-9.0.0.tar.bz2) = 493206
+TIMESTAMP = 1572333099
+SHA256 (glu-9.0.1.tar.xz) = fb5a4c2dd6ba6d1c21ab7c05129b0769544e1d68e1e3b0ffecb18e73c93055bc
+SIZE (glu-9.0.1.tar.xz) = 434632