buildtools-tarball: Fix conflicts with oe-selftest and other tooling

OECORE_NATIVE_SYSROOT is used by tools like oe-run-native and hence
we were seeing selftest failures when newer buildtools-tarballs that
use this were run on the autobuilder.

Unset the variable after use to avoid these issues.

(From OE-Core rev: ea5128fde10eb9be7fefbbb87ae6181edd2bcdff)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/recipes-core/meta/buildtools-tarball.bb b/meta/recipes-core/meta/buildtools-tarball.bb
index ef56f76fa7..560b8d67b9 100644
--- a/meta/recipes-core/meta/buildtools-tarball.bb
+++ b/meta/recipes-core/meta/buildtools-tarball.bb
@@ -80,6 +80,9 @@ if [ -d "\$OECORE_NATIVE_SYSROOT/environment-setup.d" ]; then
                 . \$envfile
         done
 fi
+# We have to unset this else it can confuse oe-selftest and other tools
+# which may also use the overlapping namespace.
+unset OECORE_NATIVE_SYSROOT
 EOF
 
         if [ "${SDKMACHINE}" = "i686" ]; then