Error: SPEC mismatch! Current working directory does not match either TOPDIR, ORIGINAL_TOPDIR or CANONICAL_TOPDIR

[David DeHaven]

> I believe this is a problem of string comparisons of file paths and character case. The file system on Macosx is case insensitive, but we aren't treating it as such properly.

Filesystem is not (it's optional in HFS+ actually, defaulting to insensitive), but tools might be, specifically those of Unix-y origins.

-DrD-