bug#30000: OS X 10.5, gzip 1.8 and two failed self tests

[Paul Eggert]

Jeffrey Walton wrote:
> skylake:gzip$ git clonehttps://git.savannah.gnu.org/git/gzip.git
> skylake:gzip$ cd gzip
> skylake:gzip$ autoreconf -i -f
> sh: build-aux/git-version-gen: No such file or directory

Instead of running autoreconf, please run './bootstrap'.

For older platforms don't bother with all the bootstrap stuff. Just bootstrap 
and configure on a new machine with up-to-date tools, then type 'make dist', 
then copy the distribution tarball to the obsolete platform and build from that.