[OE-core] [PATCH v2 4/5] classes/populate_sdk_ext: detect and warn if running in OE environment

[Paul Eggleton]

If you run the extensible SDK environment setup script in a shell
session where oe-init-build-env has been run already, and attempt to use
the two together, strange things happen - you may not even be running
devtool from the extensible SDK, but the OE tree. This isn't a supported
use case anyway, so show a warning recommending starting a new shell
session.

Signed-off-by: Paul Eggleton <paul.eggleton at linux.intel.com>
---
 meta/classes/populate_sdk_ext.bbclass | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/meta/classes/populate_sdk_ext.bbclass b/meta/classes/populate_sdk_ext.bbclass
index 060a44a..249ec36 100644
--- a/meta/classes/populate_sdk_ext.bbclass
+++ b/meta/classes/populate_sdk_ext.bbclass
@@ -238,6 +238,9 @@ sdk_ext_postinst() {
 
 	echo "printf 'SDK environment now set up; additionally you may now run devtool to perform development tasks.\nRun devtool --help for further details.\n'" >> $env_setup_script
 
+	# Warn if trying to use external bitbake and the ext SDK together
+	echo "(which bitbake > /dev/null 2>&1 && echo 'WARNING: attempting to use the extensible SDK in an environment set up to run bitbake - this may lead to unexpected results. Please source this script in a new shell session instead.') || true" >> $env_setup_script
+
 	# For now this is where uninative.bbclass expects the tarball
 	mv *-nativesdk-libc.tar.* $target_sdk_dir/`dirname ${oe_init_build_env_path}`
 
-- 
2.1.0