[bin] add /usr/local/portage to PORTDIR_OVERLAY

bin/buildrc

@@ -71,3 +71,7 @@ eit() {
 
 # Alias configuration
 alias cosmos=/particles/cosmos/cosmos
+
+# This is a build server local overlay
+# It is used by crossdev
+export PORTDIR_OVERLAY="/usr/local/portage"

bin/bump_crossdev_stuff

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+ARCHES=(
+	armv7a-hardfloat-linux-gnueabi
+	armv7a-unknown-linux-gnueabi
+)
+
+for a in "${ARCHES[@]}"; do
+	crossdev -t "${a}" -S --overlays "" --ov-output "/usr/local/portage" || exit 1
+done