CI: GCC no longer publishes .bz2 tarballs

[Iain Buclaw via D.gnu]

On 22 July 2017 at 12:23, Johannes Pfau via D.gnu <d.gnu at puremagic.com> wrote:
> I just updated the gdc-6 branch in my repo to gcc 6.4.0 and the CI
> started to fail downloading the tarball. Turns out that the .bz2
> tarball was replaced with a .tar.xz tarball for gcc 6.4.0 and I guess
> it'll be similar for all new releases:
> ftp://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/releases/gcc-6.4.0/
>
> What's the best workaround for this? Simply trying .xz first and if
> that fails trying .bz2? Or switching to .gz tarballs entirely?
>

Just switch it to whatever is the current.  Downloading the xz would
be better for size.