-v should print also the revision number in repo

[U.Mutlu]

Andrew Pinski wrote on 06/13/2018 10:06 PM:
> On Wednesday, June 13, 2018, U.Mutlu <um@mutluit.com <mailto:um@mutluit.com>>
> wrote:
>
>     Hi,
>
>     currently -v (ie. gcc -v) prints these data:
>
>     gcc version 9.0.0 20180613 (experimental) (GCC)
>
>     It would be nice, when building from a repository that then the resulting
>     target should contain also the revision number (for example "r261543")
>     of the underlying repository, so that gcc -v then prints this info as well.
>
>     Maybe the respective revision nbr of the repository used (svn, git, ...),
>     or perhaps better: a new generic solution with a unique & common rev-nbr
>     for all repos (and non-repos): a new file with rev-info in the repo-root
>     could do the trick, IMO...
>
>
> If you use contrib/gcc_update, it will place the right thing in the needed
> file and will display the revision.

Ah, cool! Will try it out, thx.