Require GCC 5 or later to build glibc (bug 23993)

[Zack Weinberg]

On Tue, Dec 18, 2018 at 2:16 PM Adhemerval Zanella
<adhemerval.zanella@linaro.org> wrote:
> >> 2018-12-18  Joseph Myers  <joseph@codesourcery.com>
> >>
> >>      [BZ #23993]
> >>      * configure.ac (libc_cv_compiler_ok): Require GCC 5 or later.
>
> Wouldn't be better to focus on change toolchain requirements at the start
> of release cycle?

I think I agree with this. Why don't we wait until the branch happens
and then bump the minimum all the way up to GCC 6.2, thus eliminating
the difference between powerpc64le and the other platforms?

zw