--- a/grub-1.99_rc1.ebuild	2011-04-10 11:01:26.000000000 -0400
+++ b/grub-1.99_rc1.ebuild	2011-05-27 20:10:24.114084002 -0400
@@ -23,7 +23,7 @@
 LICENSE="GPL-3"
 use multislot && SLOT="2" || SLOT="0"
 KEYWORDS=""
-IUSE="custom-cflags debug truetype multislot static"
+IUSE="custom-cflags debug efi truetype multislot static"
 
 RDEPEND=">=sys-libs/ncurses-5.2-r5
 	dev-libs/lzo
@@ -64,6 +64,7 @@
 		--bindir=/bin \
 		--libdir=/$(get_libdir) \
 		--disable-efiemu \
+		$(use_with efi platform efi) \
 		$(use_enable truetype grub-mkfont) \
 		$(use_enable debug mm-debug) \
 		$(use_enable debug grub-emu) \