[HEADSUP][CFT] New compiler USES flag, please test, review comment

[David Naylor]

On Friday 13 September 2013 15:17:53 Baptiste Daroussin wrote:
> Hi,

Hi,

> Given how old our gcc in base is and the work done on clang and libc++.
> 
> It is becoming complicating to make some ports properly working on all
> supported version of FreeBSD.
> 
> To help in that I would like to propose a new USES:
> compiler
> 
> http://people.freebsd.org/~bapt/compiler.mk.txt

Would it be possible to add a quirks ability.  For example PyPy triggers the 
GCC memory bug for the gcc in base, so it needs any compiler (clang or gcc) as 
long as gcc is 4.3+.  

Regards
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