diff --git a/meta/classes/multilib_global.bbclass b/meta/classes/multilib_global.bbclass
new file mode 100644
index 0000000..612cfb6
--- /dev/null
+++ b/meta/classes/multilib_global.bbclass
@@ -0,0 +1,162 @@
+def preferred_ml_updates(d):
+    # If any PREFERRED_PROVIDER or PREFERRED_VERSION are set,
+    # we need to mirror these variables in the multilib case;
+    multilibs = d.getVar('MULTILIBS', True) or ""
+    if not multilibs:
+        return
+
+    prefixes = []
+    for ext in multilibs.split():
+        eext = ext.split(':')
+        if len(eext) > 1 and eext[0] == 'multilib':
+            prefixes.append(eext[1])
+
+    versions = []
+    providers = []
+    for v in d.keys():
+        if v.startswith("PREFERRED_VERSION_"):
+            versions.append(v)
+        if v.startswith("PREFERRED_PROVIDER_"):
+            providers.append(v)
+
+    for v in versions:
+        val = d.getVar(v, False)
+        pkg = v.replace("PREFERRED_VERSION_", "")
+        if pkg.endswith("-native") or "-crosssdk-" in pkg or pkg.startswith(("nativesdk-", "virtual/nativesdk-")):
+            continue
+        if '-cross-' in pkg and '${' in pkg:
+            for p in prefixes:
+                localdata = bb.data.createCopy(d)
+                override = ":virtclass-multilib-" + p
+                localdata.setVar("OVERRIDES", localdata.getVar("OVERRIDES", False) + override)
+                bb.data.update_data(localdata)
+                if "-canadian-" in pkg:
+                    newname = localdata.expand(v)
+                else:
+                    newname = localdata.expand(v).replace("PREFERRED_VERSION_", "PREFERRED_VERSION_" + p + '-')
+                if newname != v:
+                    newval = localdata.expand(val)
+                    d.setVar(newname, newval)
+            # Avoid future variable key expansion
+            vexp = d.expand(v)
+            if v != vexp and d.getVar(v, False):
+                d.renameVar(v, vexp)
+            continue
+        for p in prefixes:
+            newname = "PREFERRED_VERSION_" + p + "-" + pkg
+            if not d.getVar(newname, False):
+                d.setVar(newname, val)
+
+    for prov in providers:
+        val = d.getVar(prov, False)
+        pkg = prov.replace("PREFERRED_PROVIDER_", "")
+        if pkg.endswith("-native") or "-crosssdk-" in pkg or pkg.startswith(("nativesdk-", "virtual/nativesdk-")):
+            continue
+        if 'cross-canadian' in pkg:
+            for p in prefixes:
+                localdata = bb.data.createCopy(d)
+                override = ":virtclass-multilib-" + p
+                localdata.setVar("OVERRIDES", localdata.getVar("OVERRIDES", False) + override)
+                bb.data.update_data(localdata)
+                newname = localdata.expand(prov)
+                if newname != prov:
+                    newval = localdata.expand(val)
+                    d.setVar(newname, newval)
+            # Avoid future variable key expansion
+            provexp = d.expand(prov)
+            if prov != provexp and d.getVar(prov, False):
+                d.renameVar(prov, provexp)
+            continue
+        virt = ""
+        if pkg.startswith("virtual/"):
+            pkg = pkg.replace("virtual/", "")
+            virt = "virtual/"
+        for p in prefixes:
+            if pkg != "kernel":
+                newval = p + "-" + val
+
+            # implement variable keys
+            localdata = bb.data.createCopy(d)
+            override = ":virtclass-multilib-" + p
+            localdata.setVar("OVERRIDES", localdata.getVar("OVERRIDES", False) + override)
+            bb.data.update_data(localdata)
+            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_PROVIDER_" + virt + p + "-" + pkg)
+            if not d.getVar(newname, False):
+                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)
+
+
+    mp = (d.getVar("MULTI_PROVIDER_WHITELIST", True) or "").split()
+    extramp = []
+    for p in mp:
+        if p.endswith("-native") or "-crosssdk-" in p or p.startswith(("nativesdk-", "virtual/nativesdk-")) or 'cross-canadian' in p:
+            continue
+        virt = ""
+        if p.startswith("virtual/"):
+            p = p.replace("virtual/", "")
+            virt = "virtual/"
+        for pref in prefixes:
+            extramp.append(virt + pref + "-" + p)
+    d.setVar("MULTI_PROVIDER_WHITELIST", " ".join(mp + extramp))
+
+python multilib_virtclass_handler_vendor () {
+    if isinstance(e, bb.event.ConfigParsed):
+        for v in e.data.getVar("MULTILIB_VARIANTS", True).split():
+            if e.data.getVar("TARGET_VENDOR_virtclass-multilib-" + v, False) is None:
+                e.data.setVar("TARGET_VENDOR_virtclass-multilib-" + v, e.data.getVar("TARGET_VENDOR", False) + "ml" + v)
+        preferred_ml_updates(e.data)
+}
+addhandler multilib_virtclass_handler_vendor
+multilib_virtclass_handler_vendor[eventmask] = "bb.event.ConfigParsed"
+
+python multilib_virtclass_handler_global () {
+    if not e.data:
+        return
+
+    variant = e.data.getVar("BBEXTENDVARIANT", True)
+
+    if isinstance(e, bb.event.RecipeParsed) and not variant:
+        if bb.data.inherits_class('kernel', e.data) or \
+            bb.data.inherits_class('module-base', e.data) or \
+            (bb.data.inherits_class('allarch', e.data) and\
+             not bb.data.inherits_class('packagegroup', e.data)):
+            variants = (e.data.getVar("MULTILIB_VARIANTS", True) or "").split()
+
+            import oe.classextend
+            clsextends = []
+            for variant in variants:
+                clsextends.append(oe.classextend.ClassExtender(variant, e.data))
+
+            # Process PROVIDES
+            origprovs = provs = e.data.getVar("PROVIDES", True) or ""
+            for clsextend in clsextends:
+                provs = provs + " " + clsextend.map_variable("PROVIDES", setvar=False)
+            e.data.setVar("PROVIDES", provs)
+
+            # Process RPROVIDES
+            origrprovs = rprovs = e.data.getVar("RPROVIDES", True) or ""
+            for clsextend in clsextends:
+                rprovs = rprovs + " " + clsextend.map_variable("RPROVIDES", setvar=False)
+            if rprovs.strip():
+                e.data.setVar("RPROVIDES", rprovs)
+
+	    # Process RPROVIDES_${PN}...
+            for pkg in (e.data.getVar("PACKAGES", True) or "").split():
+                origrprovs = rprovs = e.data.getVar("RPROVIDES_%s" % pkg, True) or ""
+                for clsextend in clsextends:
+                    rprovs = rprovs + " " + clsextend.map_variable("RPROVIDES_%s" % pkg, setvar=False)
+                    rprovs = rprovs + " " + clsextend.extname + "-" + pkg
+                e.data.setVar("RPROVIDES_%s" % pkg, rprovs)
+}
+
+addhandler multilib_virtclass_handler_global
+multilib_virtclass_handler_global[eventmask] = "bb.event.RecipePreFinalise bb.event.RecipeParsed"
+