courier-imap-2.1.2-r1 fails to configure/build on mips: "configure: error: cannot guess build type; you must specify one" Adding --build=${CHOST} to econf resolves this issue for me, i've also tested this on an x86 machine.
Created attachment 24025 [details, diff] patch to courier-imap-2.1.2-r1.diff
fixed in CVS.