--- rxvt-unicode-9.02-r1.ebuild.orig	2008-05-05 22:39:36.000000000 +0200
+++ rxvt-unicode-9.02-r1.ebuild	2008-05-07 22:58:07.000000000 +0200
@@ -11,7 +11,7 @@
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="alpha amd64 hppa ~ia64 ppc ppc64 sparc x86 ~x86-fbsd"
-IUSE="truetype perl iso14755"
+IUSE="truetype perl iso14755 singlelinescroll"
 
 # see bug #115992 for modular x deps
 RDEPEND="x11-libs/libX11
@@ -23,6 +23,12 @@
 	dev-util/pkgconfig
 	x11-proto/xproto"
 
+pkg_setup() {
+	if use singlelinescroll && use perl; then
+		die "You can not have both perl and singlelinescroll enabled.";
+	fi
+}
+
 src_unpack() {
 	unpack ${A}
 	cd "${S}"
@@ -34,6 +40,10 @@
 	sed -i -e \
 		"s~@TIC@ \(\$(srcdir)/etc/rxvt\)~@TIC@ -o ${D}/${tdir} \1~" \
 		doc/Makefile.in
+	
+	if use singlelinescroll; then
+		epatch ${FILESDIR}/scrolling-one-line.patch;
+	fi
 }
 
 src_compile() {