Re: First go at adding GCC_VERSIONS_ACCEPTED support

[atomicules <base%atomicules.co.uk@localhost>]

Hi,

On 10-Oct-2015 22:50:12, David Sainty wrote:
> I think you're not intending this as something to commit yet

Absolutely. I wasn't proposing that as a patch to be merged in, rather 
I'm just thinking out in the open and also because I can't keep up with 
discussion I wanted to show I am still thinking about this offline.

> just want to mention that this style of solution is probably wrong for 
> C++.  The problem with C++ is that, depending on package build 
> ordering, packages may end up linking with multiple stdc++ libraries 
> (and including different c++ includes) from different compilers.
>
> The current GCC_REQD behaviour avoids this problem (at a hefty cost).  

Interesting, because my test case for trying out changes is 
Taskwarrior which is C++. Although I don't think that last patch was 
"correct" I don't understand the problem with C++. Perhaps Taskwarrior 
isn't complicated enough for me to come across these issues? I thought 
by letting GCC_REQD do it's thing and only afterwards overriding it 
I'd be ok?

Anyway, I'll start having a go at PKGSRC_GCC_MIN next.