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Re: copying a timestamp


* Joern Rennecke wrote on Sun, Nov 14, 2010 at 03:46:29PM CET:
> What we actually need is a timestamp that says that the consistency has been
> checked, and which depends on doc/tm.texi - that's our current s-tm-texi -
> plus a generated file that depends on s-tm-texi, but bears the file system
> time stamp of doc/tm.texi .
> I.e. the s-tm-texi rule should make this file.
> Can we use cp -p for this portably?

Not likely; see the discussion in 'info Autoconf --index cp'.

> In principle we could also use some combination of time and ls and shell
> substitutions, that would use less disk space, but I fear the portability
> issues there could be worse.

Yes, that sounds a lot worse.

> Or should I better try to use double-colon rules?

If that helps, I suppose yes; we assume GNU make in this makefile
anyway.

Hope that helps.

Cheers,
Ralf


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