svn commit: r516102 - head/graphics/libGLU

[Jan Beich]

Niclas Zeising <zeising at FreeBSD.org> writes:

> Author: zeising
> Date: Wed Oct 30 19:42:10 2019
> New Revision: 516102
> URL: https://svnweb.freebsd.org/changeset/ports/516102
>
> Log:
>   graphics/libGLU: Update to 9.0.1
>   
>   Update graphics/libGLU to 9.0.1
>   Add gl and xorg to USES.
>   portlint
[...]
> +USES=		gl libtool pathfix pkgconfig tar:xz xorg
>  GNU_CONFIGURE=	yes
>  CONFIGURE_ARGS=	--disable-static
>  INSTALL_TARGET=	install-strip
> -USES=		libtool pathfix pkgconfig tar:bzip2
>  USE_GL=		gl
>  USE_LDCONFIG=	yes

Why USES=xorg is needed when USE_XORG is not defined?