Re: Perplexed about LOCALBASE vs. SU_CMD

["John D. Baker" <jdbaker%mylinuxisp.com@localhost>]

On Thu, 28 Sep 2017, Alistair Crooks wrote:

> LOCALBASE must be set at the time of the .if statement (it's like a
> CPP conditional, and is evaluated immediately), and at the top of my
> etc/mk.conf, I have
> 
> LOCALBASE?=     /usr/pkg
> 
> before anything else - which is why it works for me.

I have historically refrained from setting a variable if the default
value is what I want anyway.  I find it confusing.

The upshot is that the default for LOCALBASE is not yet set at the time
"/etc/mk.conf" is evaluated, so even if one expects simply to use the
default value, it must be set explicitly for the conditional
(re)definition of SU_CMD to work as described.

This has been the piece of information missing every time I've seen this
procedure mentioned until now.

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