On Wed, Jul 21, 2021 at 8:20 AM Linus Torvalds
[off-list ref] wrote:

On Tue, Jul 20, 2021 at 2:54 PM Linus Torvalds
[off-list ref] wrote:

quoted

But there are other things that stick around. In particular, I have
considered simply using git config variables for that.

Something like this in the main Makefile:

A slightly more fleshed-out patch to do this just to see if somebody
wants to work on something like this.

It really would seem to make it very easy to set up any random build
environment, and not have to remember it once it's done.

There are probably better ways to do this, I normally try to avoid
doing Makefile magic, since others have taken it over. Masahiro?

The patch would uglify the Makefile.

If git is not installed, $(shell git config  ...)
will spit an error message, so '2>/dev/null' is needed.

Actually, I believe we should be able to build the kernel
from a source tarball without relying on git in any way.

In fact, we rely on git in some places, for example,
scripts/setlocalversion can add commit hash to the release
string, but I want to minimize the git-dependent code.

             Linus

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Best Regards
Masahiro Yamada