A quick note on building ChromeOS for MIPS

I have been trying to build ChromeOS for a MIPS board lately and having lots of issues. Recording this for others but mostly so I don’t forget it myself. The error message I kept getting was:

(cr) ((8cac397...)) skerr@gravel ~/trunk/src/scripts $ export BOARD=mipsel-o32-generic
(cr) ((8cac397...)) skerr@gravel ~/trunk/src/scripts $ ./setup_board --board=${BOARD}

[ Lots of errors I removed ]
emerge: there are no ebuilds to satisfy "cross-mipsel-cros-linux-gnu/binutils".

emerge: searching for similar names...
emerge: Maybe you meant any of these: cross-x86_64-cros-linux-gnu/binutils, cross-i686-pc-linux-gnu/binutils, cross-armv7a-cros-linux-gnueabi/binutils?

I got through this by adding the –nousepkg flag to the invocation, like:

(cr) ((8cac397...)) skerr@gravel ~/trunk/src/scripts $ ./setup_board --board=${BOARD} --nousepkg
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