[Rpm-ecosystem] Fwd: [Rpm-maint] Fixing macro scoping
vondruch at redhat.com
Tue Feb 7 08:04:40 UTC 2017
Dne 6.2.2017 v 19:43 Panu Matilainen napsal(a):
> On 02/06/2017 06:51 PM, Vít Ondruch wrote:
>> Dne 6.2.2017 v 16:00 Panu Matilainen napsal(a):
>>> One open question I have is what to do with %undefine's: currently rpm
>>> allows %undefining anything from any scope, and that is at odds with
>>> any attempt to rationalize and formalize the scoping to something
>>> actually comprehensible. A simple approach is that you can only
>>> undefine something from your local scope or the global scope. But what
>>> if there's something by the same name in between?
>> What is wrong with this? You always undefine the value from the top of
>> the stack ...
> What do you mean by "this" - the current behavior or the alleged
> scoping aware new version?
> The current behavior indeed just removes from top of the stack with no
> consideration as to who defined the macro and where. And this in a
> system that makes claims about scoping...
Right, now I see ... but then I don't understand what you meant by "But
what if there's something by the same name in between?"
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