Re: Bootstrap failure using 'make -j4' [Cygwin]

[Jan Djärv]

Eli Zaretskii skrev 2010-05-22 15.21:
> > Date: Sat, 22 May 2010 15:00:01 +0200
> > From: Jan Djärv<address@hidden>
> > CC: address@hidden, address@hidden
> >
> > > I think the -p switch to mkdir is not portable.
> >
> > I has been in The Single UNIX ® Specification since 1997 at least.  I think it
> > was in POSIX 2 as well (1990), but I lost it, so I can't check.
> >
> > Do you know any system that doesn't have it?
>
> Not by name, no.  But this is in the GNU Coding Statndards:
>
>         Generally, stick to the widely-supported (usually POSIX-specified)
>      options and features of these programs.  For example, don't use `mkdir
>      -p', convenient as it may be, because a few systems don't support it at
>      all and with others, it is not safe for parallel execution.
>
> If this is no longer a consideration, perhaps we should ask Richard to
> amend standards.texi.

Well, -p is in POSIX now, so I guess the standards needs to be updated on that 
point.  But it is still not parallel safe.

Emacs uses prototypes in C without macros now, and that is something the GNU 
coding standards says not to do.  So I really don't know how relevant the GNU 
Coding standards are for Emacs developemnt.

        Jan D.