--- /usr/portage/dev-libs/boost/boost-1.65.0.ebuild	2017-09-12 04:26:21.168904020 +0200
+++ /usr/portage/dev-libs/boost/boost-1.65.0.ebuild	2017-09-20 00:46:29.069361368 +0200
@@ -17,11 +17,12 @@ 
 SLOT="0/${PV}" # ${PV} instead ${MAJOR_V} due to bug 486122
 KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~ppc-aix ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x86-solaris ~x86-winnt"
 
-IUSE="context debug doc icu +nls mpi python static-libs +threads tools"
+IUSE="context debug doc icu +nls mpi numpy python static-libs +threads tools"
 
 RDEPEND="icu? ( >=dev-libs/icu-3.6:=[${MULTILIB_USEDEP}] )
 	!icu? ( virtual/libiconv[${MULTILIB_USEDEP}] )
 	mpi? ( >=virtual/mpi-2.0-r4[${MULTILIB_USEDEP},cxx,threads] )
+	numpy? ( dev-python/numpy[${PYTHON_USEDEP}] )
 	python? ( ${PYTHON_DEPS} )
 	app-arch/bzip2[${MULTILIB_USEDEP}]
 	sys-libs/zlib[${MULTILIB_USEDEP}]
@@ -30,6 +31,7 @@ 
 	=dev-util/boost-build-${MAJOR_V}*"
 REQUIRED_USE="
 	mpi? ( threads )
+	numpy? ( python )
 	python? ( ${PYTHON_REQUIRED_USE} )"
 
 S="${WORKDIR}/${MY_P}"
@@ -114,6 +116,11 @@ 
 src_prepare() {
 	default
 
+	if use numpy; then
+		# enable build of boost_numpy disabled by ${PN}-1.65.0-fix-python.patch
+		eapply "${FILESDIR}/${PN}-1.65.0-fix-python-numpy.patch"
+	fi
+
 	# Do not try to build missing 'wave' tool, bug #522682
 	# Upstream bugreport - https://svn.boost.org/trac/boost/ticket/10507
 	sed -i -e 's:wave/build//wave::' tools/Jamfile.v2 || die