[OE-core] [PATCH 2/3] oe-buildenv-internal: Only add to $PATH if needed

[Trevor Woerner]

On Mon, Apr 8, 2013 at 1:48 PM, Paul Eggleton
<paul.eggleton at linux.intel.com> wrote:
> Unfortunately I think this is specific to bash, so it may not be portable.
> Maybe the equivalent can be achieved with sed however.

Under which shells do we expect a Yocto build to succeed? The latest
version of this change wouldn't work under tcsh, for example. (Not
that I'm suggesting it should!) Isn't there already an inherent
Bourne-ish expectation?