--- geos-3.1.1.ebuild.orig	2009-09-29 15:54:29.000000000 +0200
+++ geos-3.1.1.ebuild	2009-09-29 15:53:40.000000000 +0200
@@ -3,6 +3,7 @@
 # $Header: /var/cvsroot/gentoo-x86/sci-libs/geos/geos-3.1.1.ebuild,v 1.4 2009/09/27 14:36:12 nixnut Exp $
 
 EAPI=2
+inherit eutils
 
 DESCRIPTION="Geometry engine library for Geographic Information Systems"
 HOMEPAGE="http://geos.refractions.net"
@@ -20,6 +21,10 @@
 	ruby?  ( dev-lang/swig )
 	python? ( dev-lang/swig )"
 
+src_prepare() {
+	epatch "${FILESDIR}/$P-missing-includes.patch"
+}
+
 src_configure() {
 	econf $(use_enable python) $(use_enable ruby)
 }