CCache: Segregating cache directories per port

[mascguy at rochester.rr.com]

> On Dec 17, 2020, at 4:45, Ryan Schmidt wrote:
> 
 > On Dec 11, 2020, at 12:20, Christopher Nielsen wrote:
> 
>> Is it possible to easily override the ccache directory via
command-line, with the goal of maintaining separate caches per port?
 >>
 >> I did some quick digging through the MacPorts TCL files, and
didn’t see support for such an override.
 >>
 >> My current solution — workable, though not ideal — is to
update ‘ccache_dir’ in ~/.macports/macports.conf. That’s easily
doable via a ‘port’ wrapper script.
 >>
 >> But assuming I didn’t miss anything, would folks be open to
having the ability to specify ‘ccache_dir’ from the port
command-line? If so, I’ll contribute the changes.
 >>
 >> Thoughts?
> 
>MacPorts was not designed with the intention of managing multiple
ccache directories. It was intended for there to be a single ccache
directory that is global to all ports.
> 
> This topic has been brought up before on the list:
https://lists.macports.org/pipermail/macports-dev/2019-September/041178.html
[1]
> 
> I've given some responses there in subsequent list messages.

After reflecting on this for the past week -- including numerous
iterative builds, of various related ports -- I'm now a believer in a
unified cache. My solution is to simply store it on a separate volume,
eliminating space concerns. (And in the unlikely event that
segregation is ever necessary, changing the path via
~/.macports/macports.conf works just fine.)

Thanks for all of the responses, and hope you all have a happy and
safe holiday!

Cheers,
-Chris
 [2] 

Links:
------
[1]
https://lists.macports.org/pipermail/macports-dev/2019-September/041178.html%3Cbr
[2]
https://lists.macports.org/pipermail/macports-dev/2019-September/041178.html%3Cbr

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