[OE-core] [PATCH] python*native.bbclass: suppress user site dirs

[Martin Kelly]

Currently, $HOME/.local is being added into sys.path for the native
Python, causing subtle host contamination. Suppress this by exporting
PYTHONNOUSERSITE = "1" as documented in PEP 370.

Signed-off-by: Martin Kelly <mkelly at xevo.com>
---
 meta/classes/python3native.bbclass | 3 +++
 meta/classes/pythonnative.bbclass  | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/meta/classes/python3native.bbclass b/meta/classes/python3native.bbclass
index ef468b3fde..89665efee8 100644
--- a/meta/classes/python3native.bbclass
+++ b/meta/classes/python3native.bbclass
@@ -9,5 +9,8 @@ DEPENDS_append = " ${PYTHON_PN}-native "
 export STAGING_INCDIR
 export STAGING_LIBDIR
 
+# suppress host user's site-packages dirs.
+export PYTHONNOUSERSITE = "1"
+
 # autoconf macros will use their internal default preference otherwise
 export PYTHON
diff --git a/meta/classes/pythonnative.bbclass b/meta/classes/pythonnative.bbclass
index 4e0381b568..4cc8b2769c 100644
--- a/meta/classes/pythonnative.bbclass
+++ b/meta/classes/pythonnative.bbclass
@@ -12,5 +12,8 @@ DEPENDS_append = " ${PYTHON_PN}-native "
 export STAGING_INCDIR
 export STAGING_LIBDIR
 
+# suppress host user's site-packages dirs.
+export PYTHONNOUSERSITE = "1"
+
 # autoconf macros will use their internal default preference otherwise
 export PYTHON
-- 
2.11.0