FreeBSD Port: graphics/dri rev:328711 Malformed conditional

[Xu Waycell]

make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:UI915}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:UI965}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:UR200}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:URADEON}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:USWRAST}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:UI810}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:UMACH64}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:UMGA}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:UR128}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:UR300}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:UR600}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:USAVAGE}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:USIS}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:UTDFX}})
make: "/usr/ports/graphics/dri/Makefile" line 82: Malformed conditional (${DRI_DRIVERS:M${:UUNICHROME}})
make: Fatal errors encountered -- cannot continue
make: stopped in /usr/ports/graphics/dri