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

["Jan Djärv" <jan.h.d@swipnet.se>]

Eli Zaretskii skrev 2010-05-22 15.21:
>> Date: Sat, 22 May 2010 15:00:01 +0200
>> From: Jan Djärv<jan.h.d@swipnet.se>
>> CC: emacs-devel@gnu.org, angelo.graziosi@alice.it
>>
>>> 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.