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

From: Jan Djärv
Subject: Re: Bootstrap failure using 'make -j4' [Cygwin]
Date: Sat, 22 May 2010 15:45:20 +0200
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; sv-SE; rv: Gecko/20100512 Thunderbird/3.0.5

David Engster skrev 2010-05-22 15.06:
Jan Djärv writes:
Eli Zaretskii skrev 2010-05-22 14.46:
Date: Sat, 22 May 2010 13:00:53 +0200
From: Jan Djärv<address@hidden>
CC: Angelo Graziosi<address@hidden>, address@hidden

A better solution is probably to replace

         test -d ${DEPDIR} || mkdir ${DEPDIR}


         mkdir -p ${DEPDIR}

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

That may be, but 'mkdir -p' is not guaranteed to be thread-safe.

That has nothing to do with this situation. The point of -p here is that mkdir shall not output an error if the directory exist. When creating multiple directories, then -p is not thread safe (i.e. two mkdir:s may be creating directories in the tree), but this is not the case here.

        Jan D.

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