--- /usr/portage/sys-boot/grub/grub-1.98.ebuild	2010-05-08 19:36:52.000000000 +0200
+++ /usr/portage/local/my-overlay/sys-boot/grub/grub-1.98-r1.ebuild	2010-05-10 09:07:21.003544876 +0200
@@ -21,7 +21,7 @@
 LICENSE="GPL-3"
 use multislot && SLOT="2" || SLOT="0"
 KEYWORDS=""
-IUSE="custom-cflags debug truetype multislot static"
+IUSE="custom-cflags debug truetype multislot static efi"
 
 RDEPEND=">=sys-libs/ncurses-5.2-r5
 	dev-libs/lzo
@@ -58,6 +58,12 @@
 	use custom-cflags || unset CFLAGS CPPFLAGS LDFLAGS
 	use static && append-ldflags -static
 
+	if use efi; then
+		PLATFORM="--with-platform=efi"
+	else
+		PLATFORM=""
+	fi
+
 	econf \
 		--disable-werror \
 		--sbindir=/sbin \
@@ -67,7 +73,8 @@
 		$(use_enable truetype grub-mkfont) \
 		$(use_enable debug mm-debug) \
 		$(use_enable debug grub-emu-usb) \
-		$(use_enable debug grub-fstest)
+		$(use_enable debug grub-fstest) \
+		${PLATFORM}
 	emake -j1 || die "making regular stuff"
 }