--- libnet-1.0.2a-r3.ebuild	2009-06-30 00:37:12.000000000 +0200
+++ libnet-1.0.2a-r4.ebuild	2009-06-30 00:31:03.000000000 +0200
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/net-libs/libnet/libnet-1.0.2a-r3.ebuild,v 1.18 2009/05/25 23:41:56 jer Exp $
 
-inherit eutils autotools
+inherit eutils autotools toolchain-funcs flag-o-matic
 
 DESCRIPTION="library to provide an API for commonly used low-level network functions (mainly packet injection)"
 HOMEPAGE="http://www.packetfactory.net/libnet/"
@@ -35,6 +35,19 @@
 
 src_compile() {
 	econf || die
+
+	local endianness="$(tc-endian)"
+	case "${endianness}" in
+		"little")
+			append-flags "-DLIBNET_LIL_ENDIAN"
+		;;
+		"big")
+			append-flags "-DLIBNET_BIG_ENDIAN"
+		;;
+		*)
+			# best effort
+		;;
+	esac
 	emake CFLAGS="${CFLAGS}" || die "Failed to compile"
 }