[gentoo-portage-dev] [PATCH] sys-apps/portage: add native-extensions USE flag (bug 571444)

[Zac Medico]

The native-extensions USE flag will enable building of the
libc bindings. This is not enabled by default because it does
not support cross compilation.

X-Gentoo-bug: 571444
X-Gentoo-bug-url: https://bugs.gentoo.org/show_bug.cgi?id=571444
---
 sys-apps/portage/metadata.xml        | 1 +
 sys-apps/portage/portage-9999.ebuild | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/sys-apps/portage/metadata.xml b/sys-apps/portage/metadata.xml
index e032ea5..882d3ba 100644
--- a/sys-apps/portage/metadata.xml
+++ b/sys-apps/portage/metadata.xml
@@ -12,6 +12,7 @@
   <use>
     <flag name="epydoc">Build html API documentation with epydoc.</flag>
     <flag name="ipc">Use inter-process communication between portage and running ebuilds.</flag>
+    <flag name="native-extensions">Build native extensions. Cross-compilation is not supported.</flag>
     <flag name="xattr">Preserve extended attributes (filesystem-stored metadata) when installing files. Usually only required for hardened systems.</flag>
   </use>
 </pkgmetadata>
diff --git a/sys-apps/portage/portage-9999.ebuild b/sys-apps/portage/portage-9999.ebuild
index 6a6f515..981db26 100644
--- a/sys-apps/portage/portage-9999.ebuild
+++ b/sys-apps/portage/portage-9999.ebuild
@@ -19,7 +19,7 @@ HOMEPAGE="https://wiki.gentoo.org/wiki/Project:Portage"
 LICENSE="GPL-2"
 KEYWORDS=""
 SLOT="0"
-IUSE="build doc epydoc +ipc linguas_ru selinux xattr"
+IUSE="build doc epydoc +ipc linguas_ru native-extensions selinux xattr"
 
 DEPEND="!build? ( $(python_gen_impl_dep 'ssl(+)') )
 	>=app-arch/tar-1.27
@@ -85,6 +85,11 @@ pkg_setup() {
 python_prepare_all() {
 	distutils-r1_python_prepare_all
 
+	if use native-extensions; then
+		printf "[build_ext]\nportage-ext-modules=true" >> \
+			setup.cfg || die
+	fi
+
 	if ! use ipc ; then
 		einfo "Disabling ipc..."
 		sed -e "s:_enable_ipc_daemon = True:_enable_ipc_daemon = False:" \
-- 
2.10.2