[hurd,commited] hurd: fix build with -fstack-protector-strong

[Samuel Thibault]

Joseph Myers, on lun. 28 août 2017 12:42:29 +0000, wrote:
> * The contents of a particular public symbol version should be fixed at 
> the time of the corresponding release

Sure.

> * Only one visible (in a subdirectory used by make) Versions entry for a 
> given (library, symbol, version) triple should be needed.

Yes, that's what I had misunderstood in the mach/ RPC-needed symbols
case, I thought it was needed to make RPCs access them.

> * If a symbol is added only for internal use between glibc's own 
> libraries, not for use by external programs or libraries, it should have 
> version GLIBC_PRIVATE.

Right.

> * The *.abilist test baselines can be used to verify that past symbol 
> versions don't get changed unintentionally.  Hurd of course needs such 
> baselines added,

We miss that indeed.

Samuel