--- orig/lzop-1.01.ebuild	2005-11-13 01:05:23.000000000 -0500
+++ parallel/lzop-1.01.ebuild	2007-08-16 12:35:31.000000000 -0400
@@ -2,6 +2,8 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/app-arch/lzop/lzop-1.01.ebuild,v 1.11 2005/11/13 05:43:05 dragonheart Exp $
 
+inherit eutils
+
 DESCRIPTION="Utility for fast (even real-time) compression/decompression"
 HOMEPAGE="http://www.oberhumer.com/opensource/lzop/"
 SRC_URI="http://www.oberhumer.com/opensource/lzop/download/${P}.tar.gz"
@@ -9,11 +11,16 @@
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="amd64 ia64 ppc ppc64 sparc x86"
-IUSE=""
+IUSE="threads"
 
 DEPEND="<dev-libs/lzo-2"
 
 src_compile() {
+
+	if use threads ; then
+		epatch "${FILESDIR}"/lzop_parallel_patch_05
+	fi
+
 	econf --disable-shared || die
 	emake || die
 }