diff --git a/meta/classes/multilib.bbclass b/meta/classes/multilib.bbclass
new file mode 100644
index 0000000..8f61d8d
--- /dev/null
+++ b/meta/classes/multilib.bbclass
@@ -0,0 +1,151 @@
+python multilib_virtclass_handler () {
+    cls = e.data.getVar("BBEXTENDCURR", True)
+    variant = e.data.getVar("BBEXTENDVARIANT", True)
+    if cls != "multilib" or not variant:
+        return
+
+    e.data.setVar('STAGING_KERNEL_DIR', e.data.getVar('STAGING_KERNEL_DIR', True))
+
+    # There should only be one kernel in multilib configs
+    # We also skip multilib setup for module packages.
+    provides = (e.data.getVar("PROVIDES", True) or "").split()
+    if "virtual/kernel" in provides or bb.data.inherits_class('module-base', e.data):
+        raise bb.parse.SkipPackage("We shouldn't have multilib variants for the kernel")
+
+    save_var_name=e.data.getVar("MULTILIB_SAVE_VARNAME", True) or ""
+    for name in save_var_name.split():
+        val=e.data.getVar(name, True)
+        if val:
+            e.data.setVar(name + "_MULTILIB_ORIGINAL", val)
+
+    overrides = e.data.getVar("OVERRIDES", False)
+    pn = e.data.getVar("PN", False)
+    overrides = overrides.replace("pn-${PN}", "pn-${PN}:pn-" + pn)
+    e.data.setVar("OVERRIDES", overrides)
+
+    if bb.data.inherits_class('image', e.data):
+        e.data.setVar("MLPREFIX", variant + "-")
+        e.data.setVar("PN", variant + "-" + e.data.getVar("PN", False))
+        target_vendor = e.data.getVar("TARGET_VENDOR_" + "virtclass-multilib-" + variant, False)
+        if target_vendor:
+            e.data.setVar("TARGET_VENDOR", target_vendor)
+        return
+
+    if bb.data.inherits_class('cross-canadian', e.data):
+        e.data.setVar("MLPREFIX", variant + "-")
+        override = ":virtclass-multilib-" + variant
+        e.data.setVar("OVERRIDES", e.data.getVar("OVERRIDES", False) + override)
+        bb.data.update_data(e.data)
+        return
+
+    if bb.data.inherits_class('native', e.data):
+        raise bb.parse.SkipPackage("We can't extend native recipes")
+
+    if bb.data.inherits_class('nativesdk', e.data) or bb.data.inherits_class('crosssdk', e.data):
+        raise bb.parse.SkipPackage("We can't extend nativesdk recipes")
+
+    if bb.data.inherits_class('allarch', e.data) and not bb.data.inherits_class('packagegroup', e.data):
+        raise bb.parse.SkipPackage("Don't extend allarch recipes which are not packagegroups")
+
+
+    # Expand this since this won't work correctly once we set a multilib into place
+    e.data.setVar("ALL_MULTILIB_PACKAGE_ARCHS", e.data.getVar("ALL_MULTILIB_PACKAGE_ARCHS", True))
+ 
+    override = ":virtclass-multilib-" + variant
+
+    e.data.setVar("MLPREFIX", variant + "-")
+    e.data.setVar("PN", variant + "-" + e.data.getVar("PN", False))
+    e.data.setVar("OVERRIDES", e.data.getVar("OVERRIDES", False) + override)
+
+    # Expand the WHITELISTs with multilib prefix
+    for whitelist in ["HOSTTOOLS_WHITELIST_GPL-3.0", "WHITELIST_GPL-3.0", "LGPLv2_WHITELIST_GPL-3.0"]:
+        pkgs = e.data.getVar(whitelist, True)
+        for pkg in pkgs.split():
+            pkgs += " " + variant + "-" + pkg
+        e.data.setVar(whitelist, pkgs)
+
+    # DEFAULTTUNE can change TARGET_ARCH override so expand this now before update_data
+    newtune = e.data.getVar("DEFAULTTUNE_" + "virtclass-multilib-" + variant, False)
+    if newtune:
+        e.data.setVar("DEFAULTTUNE", newtune)
+        e.data.setVar('DEFAULTTUNE_ML_%s' % variant, newtune)
+}
+
+addhandler multilib_virtclass_handler
+multilib_virtclass_handler[eventmask] = "bb.event.RecipePreFinalise"
+
+STAGINGCC_prepend = "${BBEXTENDVARIANT}-"
+
+python __anonymous () {
+    variant = d.getVar("BBEXTENDVARIANT", True)
+
+    import oe.classextend
+
+    clsextend = oe.classextend.ClassExtender(variant, d)
+
+    if bb.data.inherits_class('image', d):
+        clsextend.map_depends_variable("PACKAGE_INSTALL")
+        clsextend.map_depends_variable("LINGUAS_INSTALL")
+        clsextend.map_depends_variable("RDEPENDS")
+        pinstall = d.getVar("LINGUAS_INSTALL", True) + " " + d.getVar("PACKAGE_INSTALL", True)
+        d.setVar("PACKAGE_INSTALL", pinstall)
+        d.setVar("LINGUAS_INSTALL", "")
+        # FIXME, we need to map this to something, not delete it!
+        d.setVar("PACKAGE_INSTALL_ATTEMPTONLY", "")
+
+    if bb.data.inherits_class('populate_sdk_base', d):
+        clsextend.map_depends_variable("TOOLCHAIN_TARGET_TASK")
+        clsextend.map_depends_variable("TOOLCHAIN_TARGET_TASK_ATTEMPTONLY")
+
+    if bb.data.inherits_class('image', d):
+        return
+
+    clsextend.map_depends_variable("DEPENDS")
+    clsextend.map_variable("PROVIDES")
+
+    if bb.data.inherits_class('cross-canadian', d):
+        return
+
+    clsextend.rename_packages()
+    clsextend.rename_package_variables((d.getVar("PACKAGEVARS", True) or "").split())
+
+    clsextend.map_packagevars()
+    clsextend.map_regexp_variable("PACKAGES_DYNAMIC")
+    clsextend.map_variable("PACKAGE_INSTALL")
+    clsextend.map_variable("INITSCRIPT_PACKAGES")
+    clsextend.map_variable("USERADD_PACKAGES")
+    clsextend.map_variable("SYSTEMD_PACKAGES")
+}
+
+PACKAGEFUNCS_append = " do_package_qa_multilib"
+
+python do_package_qa_multilib() {
+
+    def check_mlprefix(pkg, var, mlprefix):
+        values = bb.utils.explode_deps(d.getVar('%s_%s' % (var, pkg), True) or d.getVar(var, True) or "")
+        candidates = []
+        for i in values:
+            if i.startswith('virtual/'):
+                i = i[len('virtual/'):]
+            if (not i.startswith('kernel-module')) and (not i.startswith(mlprefix)) and \
+                (not 'cross-canadian' in i) and (not i.startswith("nativesdk-")) and \
+                (not i.startswith("rtld")) and (not i.startswith('kernel-vmlinux')):
+                candidates.append(i)
+        if len(candidates) > 0:
+            msg = "%s package %s - suspicious values '%s' in %s" \
+                   % (d.getVar('PN', True), pkg, ' '.join(candidates), var)
+            package_qa_handle_error("multilib", msg, d)
+
+    ml = d.getVar('MLPREFIX', True)
+    if not ml:
+        return
+
+    packages = d.getVar('PACKAGES', True)
+    for pkg in packages.split():
+        check_mlprefix(pkg, 'RDEPENDS', ml)
+        check_mlprefix(pkg, 'RPROVIDES', ml)
+        check_mlprefix(pkg, 'RRECOMMENDS', ml)
+        check_mlprefix(pkg, 'RSUGGESTS', ml)
+        check_mlprefix(pkg, 'RREPLACES', ml)
+        check_mlprefix(pkg, 'RCONFLICTS', ml)
+}