--- inform-6.31.1.ebuild~	2007-12-14 11:23:05.000000000 +0100
+++ inform-6.31.1.ebuild	2007-12-14 12:14:34.000000000 +0100
@@ -9,7 +9,9 @@
 LICENSE="Inform"
 SLOT="0"
 KEYWORDS="~amd64 ~ppc ~ppc-macos ~sparc ~x86"
-IUSE=""
+IUSE="emacs"
+
+PDEPEND="emacs? ( app-emacs/inform-mode )"
 
 src_install() {
 	emake DESTDIR="${D}" install || die "emake install failed"