From 902cc5598bd239ce893e02ca2f8d1917de9368ec Mon Sep 17 00:00:00 2001
From: Alexis Ballier <aballier@gentoo.org>
Date: Thu, 9 Feb 2017 18:19:21 +0100
Subject: eclass/ros-catkin.eclass: Set PYTHON_INSTALL_DIR when building python
 packages.

---
 eclass/ros-catkin.eclass | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/eclass/ros-catkin.eclass b/eclass/ros-catkin.eclass
index 61d01429b544..93086aa123a7 100644
--- a/eclass/ros-catkin.eclass
+++ b/eclass/ros-catkin.eclass
@@ -157,7 +157,12 @@ ros-catkin_src_prepare() {
 # Internal decoration of cmake-utils_src_configure to handle multiple python installs.
 ros-catkin_src_configure_internal() {
 	if [ -n "${CATKIN_DO_PYTHON_MULTIBUILD}" ] ; then
-		local mycmakeargs=("${mycmakeargs[@]}" -DPYTHON_EXECUTABLE="${PYTHON}")
+		local sitedir="$(python_get_sitedir)"
+		local mycmakeargs=(
+			"${mycmakeargs[@]}"
+			-DPYTHON_EXECUTABLE="${PYTHON}"
+			-DPYTHON_INSTALL_DIR="${sitedir#${EPREFIX}/usr/}"
+		)
 		python_export PYTHON_SCRIPTDIR
 	fi
 	cmake-utils_src_configure "${@}"
-- 
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