diff --git a/sys-devel/boost-m4/Manifest b/sys-devel/boost-m4/Manifest
--- a/sys-devel/boost-m4/Manifest
+++ b/sys-devel/boost-m4/Manifest
@@ -1,23 +1,24 @@
 -----BEGIN PGP SIGNED MESSAGE-----
 Hash: SHA256
 
+AUX boost-m4-0.1-multilib.patch 1084 RMD160 9d2f912b70c433c60f0ff77afb9f77499f9eda01 SHA1 556b550b1e5b34795579a1abf2d045c6336ffa77 SHA256 b68d6a6cddca079e08f2b680c7d2bbf596dd42fcf8dbe655138206008ff0b286
 DIST boost-m4-0.1.zip 41061 RMD160 b4f0a4f5035e1467f4d11e7b73c155fbe6b52d59 SHA1 b5745fdcd1e5fb1212ad611b0c9edb6f68eef292 SHA256 a1ef028bb39cc724791a2ab15fe133187fafeef132eb4e189251bc3cbc4b1461
-EBUILD boost-m4-0.1.ebuild 597 RMD160 7bd5000f42839a0c1b045843fd9f05c9a02270b5 SHA1 550d9421d38958d038d359e43e9b1d5457198815 SHA256 6cda522efe591270822e4c1e6aa3230f7f8aaca0c6ab859c6fab75c670328203
+EBUILD boost-m4-0.1.ebuild 674 RMD160 a0edc23f9382503def7d94f573f90b7ceb496685 SHA1 f0c4233b9c6080e8db267a49ad819b056220cf64 SHA256 89c2304973f0df66c63a4ba49ae412bbdc9cb8512dad79aa6bbba0065f8d15a6
 MISC metadata.xml 229 RMD160 f0f6417bec31ce8baba6d476664f7210c8c84c98 SHA1 e5f94f5caadc6f843fc90bb7959570cd503676fd SHA256 3b08fca3c878bdfc4e7639f477dd542d55a4ab5dce39a475e82633071d13eb3f
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diff --git a/sys-devel/boost-m4/boost-m4-0.1.ebuild b/sys-devel/boost-m4/boost-m4-0.1.ebuild
--- a/sys-devel/boost-m4/boost-m4-0.1.ebuild
+++ b/sys-devel/boost-m4/boost-m4-0.1.ebuild
@@ -4,6 +4,8 @@
 
 EAPI=2
 
+inherit eutils
+
 DESCRIPTION="Another set of autoconf macros for compiling against boost"
 HOMEPAGE="http://github.com/tsuna/boost.m4"
 SRC_URI="${HOMEPAGE}/zipball/v${PV} -> ${P}.zip"
@@ -22,6 +24,10 @@ src_unpack() {
 	mv * ${P} || die
 }
 
+src_prepare() {
+	epatch "${FILESDIR}"/${P}-multilib.patch
+}
+
 src_configure() { :; }
 
 src_compile() { :; }
diff --git a/sys-devel/boost-m4/files/boost-m4-0.1-multilib.patch b/sys-devel/boost-m4/files/boost-m4-0.1-multilib.patch
new file mode 100644
--- /dev/null
+++ b/sys-devel/boost-m4/files/boost-m4-0.1-multilib.patch
@@ -0,0 +1,31 @@
+From a08684994caf88f28c758c7d579dae92fe69d0fa Mon Sep 17 00:00:00 2001
+From: Nathan Phillip Brink <ohnobinki@ohnopublishing.net>
+Date: Mon, 24 Jan 2011 01:48:25 -0500
+Subject: [PATCH 2/2] Support multilib installations which use both lib32 and lib64.
+
+---
+ build-aux/boost.m4 |    6 +++---
+ 1 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/build-aux/boost.m4 b/build-aux/boost.m4
+index 2ba29bf..3d271f6 100644
+--- a/build-aux/boost.m4
++++ b/build-aux/boost.m4
+@@ -22,2 +22,2 @@
+ 
+-# serial 6
++# serial 6+15
+@@ -379,8 +379,8 @@ for boost_rtopt_ in $boost_rtopt '' -d; do
+     boost_tmp_lib=$with_boost
+     test x"$with_boost" = x && boost_tmp_lib=${boost_cv_inc_path%/include}
+     for boost_ldpath in "$boost_tmp_lib/lib" '' \
+-             /opt/local/lib /usr/local/lib /opt/lib /usr/lib \
+-             "$with_boost" C:/Boost/lib /lib /usr/lib64 /lib64
++             /opt/local/lib* /usr/local/lib* /opt/lib* /usr/lib* \
++             "$with_boost" C:/Boost/lib /lib*
+     do
+       test -e "$boost_ldpath" || continue
+       boost_save_LDFLAGS=$LDFLAGS
+-- 
+1.7.2.2
+