[hurd,commited 4/4] hurd: Fix `getifaddrs' and `freeifaddrs' symbol exposition

[Samuel Thibault]

Hello,

H.J. Lu, on mer. 27 sept. 2017 17:21:40 -0700, wrote:
> On 9/27/17, Samuel Thibault <samuel.thibault@ens-lyon.org> wrote:
> > from `freeaddrinfo'.
> >
> > `getifaddrs' and `freeifaddrs' are not in POSIX, they should not be
> > exposed along `freeaddrinfo' (through `__check_pf') which is POSIX.
> >
> > 	* include/ifaddrs.h (__getifaddrs, __freeifaddrs): New declarations,
> > 	and use libc_hidden_def on them.
> > 	* inet/ifaddrs.c (__getifaddrs, __freeifaddrs): Use libc_hidden_def on
> > 	them.
> > 	* sysdeps/gnu/ifaddrs.c (__getifaddrs, __freeifaddrs): Likewise.
> > 	* inet/check_pf.c (__check_pf): Use __getifaddrs and __freeifaddrs
> > 	instead of getifaddrs and freeifaddrs.
> >
> 
> I checked in this patch to fix Linux build.
> 
> ../sysdeps/unix/sysv/linux/ifaddrs.c:835:27: error: ‘getifaddrs’ aliased to undefined symbol ‘__getifaddrs’
>  weak_alias (__getifaddrs, getifaddrs)
>                            ^
> ../sysdeps/unix/sysv/linux/ifaddrs.c:844:28: error: ‘freeifaddrs’ aliased to undefined symbol ‘__freeifaddrs’
>  weak_alias (__freeifaddrs, freeifaddrs)
> 
> caused by
> 
> commit 4009ddc69225d571772aaea597615a0c032e14ab

Oh, sorry, I missed that the mere addition of libc_hidden_proto would
change the needs of other archs.

Thanks,
Samuel