Re: RFC: deprecate sys/sysmacros.h inclusion from sys/types.h

[Mike Frysinger <vapier@gentoo.org>]

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On 29 Dec 2015 17:45, Mike Frysinger wrote:
> On 29 Dec 2015 13:56, Zack Weinberg wrote:
> > On Tue, Dec 29, 2015 at 12:42 PM, Mike Frysinger wrote:
> > > On 18 Nov 2015 23:13, Zack Weinberg wrote:
> > >> Andreas may still be running whole-distro rebuild tests, but enough
> > >> results came back that I feel fairly confident saying that option B
> > >> (remove the #include <sys/types.h> from stdlib.h) is a non-starter.
> > >> There are too many (sloppily coded, yes) programs that include stdlib.h
> > >> and expect it to expose all the POSIX foo_t types.  That leaves us with
> > >> option A (remove the #include <sys/sysmacros.h> from sys/types.h) and
> > >> even that is going to break stuff.  So we need a deprecation period.
> > >
> > > i'm just going to drop it in Gentoo and let people fix the build failures
> > 
> > Well, if you're going to do that, option B might be better (or both!)
> > but I don't see it as a viable approach for upstream...
> 
> one at a time :).  the impact of sysmacros.h is significantly lower than
> the impact of sys/types.h.  although people have been building Gentoo
> against other C libs, so we are prob better protected against that.

i've deployed this in Gentoo now, but only to limited testers.
i'll open it up when glibc-2.22 goes stable in like ~30 days.
-mike

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