Mac OS X and pkg-config

[Stephan Bergmann]

On 06/09/2015 01:54 PM, Norbert Thiebaud wrote:
> The again if macport and other are installed in /opt something and
> _not_ in the path when doing lo build, you are safe.
> the issue is having extra stuff in /usr/ or /usr/local because some
> 'helpful' external module 'config' will try to pick it up from there.

...and one unhelpful "feature" of MacPorts, IIRC, is to make it opt-out 
rather than opt-in to let the MacPorts installer modify your PATH in 
~/.bash_profile