lib/51477: Next libc bump, maybe hide gethostbyname_r more

[coypu%sdf.org@localhost]

>Number:         51477
>Category:       lib
>Synopsis:       Next libc bump, maybe hide gethostbyname_r more
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    lib-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Sep 15 17:20:00 +0000 2016
>Originator:     coypu
>Release:        NetBSD-7.99.36
>Organization:
>Environment:
NetBSD net.Home 7.99.36 NetBSD 7.99.36 (GENERIC) #0: Sun Aug 28 13:25:03 IDT 2016  fly%net.Home@localhost:/usr/obj/sys/arch/amd64/compile/GENERIC amd64

>Description:
Exists in libc but no headers for it, still found by people who try hard
enough to look for it.

pkgsrc packages which have workarounds (i.e. ac_cv_func_gethostbyname_r=no):
- databases/gigabase
- inputmethod/scim
- lang/tcl
- net/openwbem
- lang/gcc* (with surprise absences for some versions, oops!)

Maybe more hide better
>How-To-Repeat:

>Fix: