dev-lang/python: pax-mark the python binary in src_install

Bug: https://bugs.gentoo.org/569908

Package-Manager: portage-2.2.27_p47

dev-lang/python/python-3.5.1-r2.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2015 Gentoo Foundation
+# Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
@@ -254,6 +254,14 @@ src_install() {
 		dosym "python-${PYVER}.pc" "/usr/$(get_libdir)/pkgconfig/${abiver/${PYVER}/-${PYVER}}.pc"
 	fi
 
+	# python seems to get rebuilt in src_install (bug 569908)
+	# Work around it for now.
+	if has_version dev-libs/libffi[pax_kernel]; then
+		pax-mark E "${ED}usr/bin/${abiver}"
+	else
+		pax-mark m "${ED}usr/bin/${abiver}"
+	fi
+
 	use elibc_uclibc && rm -fr "${libdir}/test"
 	use sqlite || rm -fr "${libdir}/"{sqlite3,test/test_sqlite*}
 	use tk || rm -fr "${ED}usr/bin/idle${PYVER}" "${libdir}/"{idlelib,tkinter,test/test_tk*}