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

[Zack Weinberg]

On 11/18/2015 11:13 PM, 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.
> 
> The attached, lightly tested, patch sets up that deprecation period.

Ping.  The patch at
<https://sourceware.org/ml/libc-alpha/2015-11/msg00452.html> is awaiting
review.

zw