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Re: Some pkgsrc/mk/pax.mk suggestions (was: Re: PaX mprotect now on for amd64)



On Tue, Jul 05, 2016 at 04:46:15PM +0000, David Holland wrote:
> I don't remember if I mentioned this somewhere before or only thought
> it, but:
> 
> On Tue, Jul 05, 2016 at 06:39:12PM +0200, Leonardo Taccari wrote:
>  > Add NOT_PAX_ASLR_SAFE and NOT_PAX_MPROTECT_SAFE to BUILD_DEFS so the
>  > paxctl-fied binaries can be inspected via `pkg_info -Q'
> 
> while PAX_MPROTECT is a thing of a particular kind, ASLR is a general
> feature and it would be better to just have NOT_ASLR_SAFE. That way we
> don't end up with NOT_PUX_ASLR_SAFE and NOT_PEX_ASLR_SAFE and so on as
> we discover other OSes' differing implementations but can handle them
> under the hood.
> 
> then there's agc's objection to negative boolean variables, which I
> tend to agree with; instead of
> 
>    NOT_PAX_MPROTECT_SAFE=yes
> 
> it would be nicer to have in packages
> 
>    PAX_MPROTECT_SAFE=no
> 
> and if we're going to change this it should be now and shouldn't wait :-/

But it's not a yes/no variable, it's a list of files.
 Thomas


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