--- /usr/portage/net-firewall/iptables/iptables-1.4.4.ebuild	2009-06-17 08:46:45.000000000 +0200
+++ /usr/portage/net-firewall/iptables/iptables-1.4.4.ebuild	2009-07-06 12:45:38.000000000 +0200
@@ -2,7 +2,7 @@ 
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/net-firewall/iptables/iptables-1.4.4.ebuild,v 1.1 2009/06/17 06:46:45 pva Exp $
 
-inherit eutils toolchain-funcs
+inherit eutils toolchain-funcs linux-info
 
 DESCRIPTION="Linux kernel (2.4+) firewall, NAT and packet mangling tools"
 HOMEPAGE="http://www.iptables.org/"
@@ -11,7 +11,7 @@ 
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86"
-IUSE=""
+IUSE="ksource"
 
 DEPEND="virtual/os-headers"
 RDEPEND=""
@@ -42,7 +42,8 @@ 
 		--enable-devel \
 		--enable-libipq \
 		--enable-shared \
-		--enable-static
+		--enable-static \
+		$(use_with ksource kernel ${KERNEL_DIR})
 	emake V=1 || die
 }