populate_sdk_ext: Add variable to indicate running in eSDK

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@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/meta/classes/populate_sdk_ext.bbclass b/meta/classes/populate_sdk_ext.bbclass
index e31ee3722b60be434f6b3729ea45422a62a2d3b2..08973a264c129937c182c846c7bbe86dd64f3d21 100644 (file)
--- a/meta/classes/populate_sdk_ext.bbclass
+++ b/meta/classes/populate_sdk_ext.bbclass
@@ -351,6 +351,9 @@ 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')