From: David Engster <deng@randomsample.de>
To: Eli Zaretskii <eliz@gnu.org>
Cc: "Jan Djärv" <jan.h.d@swipnet.se>,
emacs-devel@gnu.org, angelo.graziosi@alice.it
Subject: Re: Bootstrap failure using 'make -j4' [Cygwin]
Date: Sat, 22 May 2010 15:41:00 +0200 [thread overview]
Message-ID: <874oi0kqab.fsf@engster.org> (raw)
In-Reply-To: <834oi0oyw6.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 22 May 2010 16:21:29 +0300")
Eli Zaretskii writes:
>> 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.
In autoconf, Solaris 8 is mentioned with a thread-unsafe 'mkdir -p', so
this is still an issue. Autoconf's MKDIR_P falls back to 'install-sh -d'
when GNU mkdir isn't available.
-David
next prev parent reply other threads:[~2010-05-22 13:41 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-21 14:53 Bootstrap failure using 'make -j4' [Cygwin] Angelo Graziosi
2010-05-21 16:16 ` Eli Zaretskii
2010-05-21 16:57 ` Angelo Graziosi
2010-05-21 17:43 ` Eli Zaretskii
2010-05-21 17:59 ` Eli Zaretskii
2010-05-21 18:45 ` Eli Zaretskii
2010-05-21 22:45 ` Angelo Graziosi
2010-05-22 6:57 ` Eli Zaretskii
2010-05-22 7:16 ` Glenn Morris
2010-05-22 7:29 ` Glenn Morris
2010-05-22 8:19 ` Eli Zaretskii
2010-05-22 11:20 ` Andreas Schwab
2010-05-22 12:53 ` Eli Zaretskii
2010-05-22 11:00 ` Jan Djärv
2010-05-22 12:46 ` Eli Zaretskii
2010-05-22 13:00 ` Jan Djärv
2010-05-22 13:06 ` David Engster
2010-05-22 13:45 ` Jan Djärv
2010-05-22 13:21 ` Eli Zaretskii
2010-05-22 13:41 ` David Engster [this message]
2010-05-22 14:00 ` Jan Djärv
2010-05-22 13:54 ` Jan Djärv
2010-05-22 14:10 ` Eli Zaretskii
2010-05-22 13:35 ` Angelo Graziosi
2010-05-22 14:08 ` Eli Zaretskii
2010-05-23 11:51 ` Angelo Graziosi
2010-05-23 17:12 ` Eli Zaretskii
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