[OE-core] [PATCH 1/2] populate_sdk_ext: Add variable to indicate running in eSDK

[Saul Wold]

This allows for other scripts to know that they are being executed in
the context of the eSDK in order to provide different behaviour as
needed.

[YOCTO #11155]

Signed-off-by: Saul Wold <sgw 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 4791d74..c70c435 100644
--- a/meta/classes/populate_sdk_ext.bbclass
+++ b/meta/classes/populate_sdk_ext.bbclass
@@ -352,6 +352,9 @@ python copy_buildsystem () {
             # Hide the config information from bitbake output (since it's fixed within the SDK)
             f.write('BUILDCFG_HEADER = ""\n\n')
 
+            f.write('# Provide a flag to indicate we are in the EXT_SDK Context\n')
+            f.write('WITHIN_EXT_SDK = "1"\n\n')
+
             # Map gcc-dependent uninative sstate cache for installer usage
             f.write('SSTATE_MIRRORS += " file://universal/(.*) file://universal-4.9/\\1 file://universal-4.9/(.*) file://universal-4.8/\\1"\n\n')
 
-- 
2.7.5