[Python-Dev] asdl.py and Python-ast.[hc]

[Eli Bendersky]

On Thu, Sep 26, 2013 at 2:00 PM, Antoine Pitrou <solipsis at pitrou.net> wrote:

> On Thu, 26 Sep 2013 14:43:48 -0400
> Benjamin Peterson <benjamin at python.org> wrote:
> > 2013/9/26 Eli Bendersky <eliben at gmail.com>:
> > >
> > >
> > >
> > > On Thu, Sep 26, 2013 at 7:28 AM, Benjamin Peterson <
> benjamin at python.org>
> > > wrote:
> > >>
> > >> 2013/9/26 Eli Bendersky <eliben at gmail.com>:
> > >> > Hi All,
> > >> >
> > >> > Earlier this morning I had a slight tackle with a couple of the 3.4
> bots
> > >> > (sorry everyone!). I fixed some problems in asdl.py -
> > >> > http://hg.python.org/cpython/rev/21d46e3ae60c - and used the 'with'
> > >> > statement. Some bots don't have Python 2.6+ and couldn't bootstrap
> > >> > Python-ast.h/c
> > >> >
> > >> > Two questions:
> > >> >
> > >> > * Should I always check-in Python-ast.h and Python-ast.c when I
> touch
> > >> > asdl*
> > >> > ? The generated files are unchanged, it's only the timestamp that
> > >> > changed.
> > >> > * Can we, in theory, use new Pythons for asdl* code, because
> > >> > Python-ast.*
> > >> > are, in fact, checked in so they don't have to be rebuilt by the
> bots or
> > >> > users?
> > >>
> > >> We should have the buildbots run "make touch", so they don't need to
> > >> run asdl_c.py.
> > >
> > >
> > > How should we go about doing this?
> >
> > Complain to Antoine I suppose. :)
>
> Here you are:
>
> http://buildbot.python.org/all/builders/AMD64%20Snow%20Leop%203.x/builds/28/steps/compile/logs/stdio
>
> Of course, when it's using "-jN" there may be a race condition :-)
>

Right, which is probably even worse than before because now it's
non-deterministic (first build will fail, subsequent will succeed).

Is there a way to split it to:

$ make touch
$ make -jN all


?
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