On 04/03/2024 20:04, Jonathan Wakely wrote: > On Mon, 4 Mar 2024 at 19:27, Vladimir Mezentsev > <vladimir.mezent...@oracle.com> wrote: >> >> >> >> On 3/4/24 09:38, Richard Earnshaw (lists) wrote: >>> Tools like git (and svn before it) don't try to maintain time-stamps on >>> patches, the tool just modifies the file and the timestamp comes from the >>> time of the modification. That's fine if there is nothing regenerated >>> within the repository (it's pure original source), but will cause problems >>> if there are generated files as their time stamps aren't necessarily >>> correct. `gcc_update --touch` addresses that by ensuring all the generated >>> files are retouched when needed. >> >> Why do we save generated files in the source tree? >> What will be the problem if we remove Makefile.in and configure from >> source tree and will run `autoreconf -i -f` before building ? > > Having the exact correct versions of autoconf and automake increases > the barrier for new contributors to start work. And to regenerate > everything, they also need autogen, mkinfo, etc.
It's worse than that. They might need multiple versions of those tools because different subtrees are built with different, subtly incompatible, versions of those tools. R.
