Ping Re: Improve TLS link test for cross-compiling

[Paolo Bonzini]

> This appears to be describing a condition (GCC_NO_EXECUTABLES called under
> various possible conditions, via GCC_CHECK_TLS being called under those
> conditions) that is neither new after my patch, nor in any way a problem,
> so I'm not sure of the point of this warning or why my patch should have
> caused it.  I have however applied this followup patch to fix a quoting
> issue in my patch that perturbs things sufficiently to avoid this warning,
> although I do not believe the pre-existing code in this macro is correctly
> quoted either (I'd expect the static linking call of AC_RUN_IFELSE to need
> to be quoted as an argument to AC_LINK_IFELSE).

Yes.

Paolo