[OE-core] [PATCH 1/2] populate_sdk_ext: fix working with uninative sstate

[Ed Bartosh]

Mapped uninative sstate directories to make ext SDK installer to
use them when it's run on systems with gcc version different from
gcc version used to build installer.

[YOCTO #10832]

Signed-off-by: Ed Bartosh <ed.bartosh at linux.intel.com>

diff --git a/meta/classes/populate_sdk_ext.bbclass b/meta/classes/populate_sdk_ext.bbclass
index 0812eea..fc9cc22 100644
--- a/meta/classes/populate_sdk_ext.bbclass
+++ b/meta/classes/populate_sdk_ext.bbclass
@@ -308,7 +308,10 @@ python copy_buildsystem () {
             f.write('BB_SETSCENE_ENFORCE_WHITELIST = "%:* *:do_shared_workdir *:do_rm_work"\n\n')
 
             # Hide the config information from bitbake output (since it's fixed within the SDK)
-            f.write('BUILDCFG_HEADER = ""\n')
+            f.write('BUILDCFG_HEADER = ""\n\n')
+
+            # Map gcc-dependent uninative sstate cache for installer usage
+            f.write('SSTATE_MIRRORS = "file://universal/(.*) file://universal-4.9/\\1\\nfile://universal-4.9/(.*) file://universal-4.8/\\1"\n\n')
 
             # Allow additional config through sdk-extra.conf
             fn = bb.cookerdata.findConfigFile('sdk-extra.conf', d)
-- 
2.1.4