populate_ext_sdk: Append to SSTATE_MIRRORS

We need to appent to SSTATE_MIRRORS in case other areas of code are also
setting the variable.

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

diff --git a/meta/classes/populate_sdk_ext.bbclass b/meta/classes/populate_sdk_ext.bbclass
index 51b98a81aaae03c98d3f9405a39500624c06a622..fb38ebc1f120a9ead73c1acfad0df479a749a6ae 100644 (file)
--- a/meta/classes/populate_sdk_ext.bbclass
+++ b/meta/classes/populate_sdk_ext.bbclass
@@ -312,7 +312,7 @@ python copy_buildsystem () {
             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')
+            f.write('SSTATE_MIRRORS += " file://universal/(.*) file://universal-4.9/\\1 file://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)