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RE: leim Makefile not -j safe


From: Marco Franzen
Subject: RE: leim Makefile not -j safe
Date: Sun, 2 Jun 2002 16:27:48 +0100

> > When building GNU Emacs 21.2 including leim-21.2
> > using make -j 2 (on a two-way SPARC machine with
> > Solaris 2.6, GNU Make 3.78.1 and GNU CC 3.1),
> > the bootstrap stalled with
> > 
> > .../leim/quail/4Corner.el locked by address@hidden
> > (pid 11633): (s, q, p, ?)? 
> 
> Please upgrade to a newer version of Make (3.79 or
> later) or don't use -j.
> leim/Makefile disables parallel execution
> for some of its targets, but the feature required
> to do that was not part of GNU Make before v3.79.

I'll upgrade then, thanks.

Anyway, from the comment in Makefile.in, I would
have thought you tried to work around Make versions
that don't honour '.NOTPARALLEL' pseudo targets:

        # The "if [ -f $@ ]; then true; " part
        prevents parallel Make's
        # which don't honor .NOTPARALLEL, such as
        SGI's Make, from running
        # this rule many times, one each for every
        file it creates.

It might be interesting to know that those attempts
still leave you with the locking problem.
Maybe those attempts are no use because it fails 
anyway...


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