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Re: Do we want versioned symbols in ncurses?


From: B. Wilson
Subject: Re: Do we want versioned symbols in ncurses?
Date: Tue, 12 Apr 2022 19:43:26 +0900
User-agent: mblaze/1.2

Thanks for the quick turnaround.

> Debian has identifier some potential problems, quoted from
> <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=788610#5>:

Ah, yes. The version script also sets a bunch of symbols to local scope. Good
catch.

Off the top of my head, the only sanity-check I can come up with is a brute
force one: iterate through all referrers of ncurses, and check all their ELFs
for missing symbols.

> FWIW, there will only ever by one ‘version’ of a symbol, according to
> upstream:
> 
> <https://lists.nongnu.org/archive/html/bug-ncurses/2016-01/msg00018.html>
> (also: <https://bugzilla.redhat.com/show_bug.cgi?id=1875587>)
> 
> so I don't quite see the point.

Agreed. I'm not sure it's worth the effort given the above.

For in-tree packages, there is vanishing benefit, but my particular pain
point was using a particular external pre-built .so. Oh well.



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