1 files changed, 26 insertions, 0 deletions

diff --git a/meta/classes/multilib_global.bbclass b/meta/classes/multilib_global.bbclass
index fd0bfe1273..0b41a8a36d 100644
--- a/meta/classes/multilib_global.bbclass
+++ b/meta/classes/multilib_global.bbclass
@@ -13,11 +13,14 @@ def preferred_ml_updates(d):
 
     versions = []
     providers = []
+    rproviders = []
     for v in d.keys():
         if v.startswith("PREFERRED_VERSION_"):
             versions.append(v)
         if v.startswith("PREFERRED_PROVIDER_"):
             providers.append(v)
+        if v.startswith("PREFERRED_RPROVIDER_"):
+            rproviders.append(v)
 
     for v in versions:
         val = d.getVar(v, False)
@@ -91,6 +94,29 @@ def preferred_ml_updates(d):
         if prov != provexp and d.getVar(prov, False):
             d.renameVar(prov, provexp)
 
+    for prov in rproviders:
+        val = d.getVar(prov, False)
+        pkg = prov.replace("PREFERRED_RPROVIDER_", "")
+        for p in prefixes:
+            newval = p + "-" + val
+
+            # implement variable keys
+            localdata = bb.data.createCopy(d)
+            override = ":virtclass-multilib-" + p
+            localdata.setVar("OVERRIDES", localdata.getVar("OVERRIDES", False) + override)
+            newname = localdata.expand(prov)
+            if newname != prov and not d.getVar(newname, False):
+                d.setVar(newname, localdata.expand(newval))
+
+            # implement alternative multilib name
+            newname = localdata.expand("PREFERRED_RPROVIDER_" + p + "-" + pkg)
+            if not d.getVar(newname, False) and newval != None:
+                d.setVar(newname, localdata.expand(newval))
+        # Avoid future variable key expansion
+        provexp = d.expand(prov)
+        if prov != provexp and d.getVar(prov, False):
+            d.renameVar(prov, provexp)
+
     def translate_provide(prefix, prov):
         if not prov.startswith("virtual/"):
             return prefix + "-" + prov