--- autogen-5.18.1.ebuild.orig	2013-12-02 10:18:43.000000000 +0000
+++ autogen-5.18.1.ebuild	2014-01-13 22:09:12.000000000 +0000
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/sys-devel/autogen/autogen-5.18.1.ebuild,v 1.1 2013/12/02 10:18:43 radhermit Exp $
 
-EAPI="4"
+EAPI="5-hdepend"
 
 inherit eutils
 
@@ -13,21 +13,42 @@
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~x86-freebsd ~amd64-linux ~arm-linux ~x86-linux ~x64-macos ~x86-macos"
-IUSE="libopts static-libs"
+IUSE="libopts static-libs targetroot"
 
 RDEPEND=">=dev-scheme/guile-1.8
 	dev-libs/libxml2"
 DEPEND="${RDEPEND}"
+HDEPEND="targetroot? ( ${CATEGORY}/${PN} )"
 
 src_configure() {
 	# suppress possibly incorrect -R flag
 	export ag_cv_test_ldflags=
 
 	econf $(use_enable static-libs static)
+
+	if use targetroot; then
+		# Cross-compile with host autogen.
+		sed -i "s:PROG=\./:PROG=:" autoopts/tpl/agtexi-cmd.tpl || die
+	fi
+}
+
+src_compile() {
+	if use targetroot; then
+		# Cross-compile with host autogen. Absolute paths required.
+		emake AGexe="$(which autogen)" CLexe="$(which columns)" GDexe="$(which getdefs)"
+	else
+		default
+	fi
 }
 
 src_install() {
-	default
+	if use targetroot; then
+		# Cross-compile with host autogen. Absolute paths required.
+		emake AGexe="$(which autogen)" CLexe="$(which columns)" GDexe="$(which getdefs)" DESTDIR="${D}" install
+	else
+		default
+	fi
+
 	prune_libtool_files
 
 	if ! use libopts ; then