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Date: Mon, 30 Nov 2009 17:11:26 +0000
From: Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
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Subject: Re: [ANNOUNCEMENT] [1.7] Updated: cygwin-1.7.0-67
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Ken Brown wrote:
> On 11/30/2009 11:23 AM, Robert Pendell wrote:

>> I guess a side question here is if TMP does not exist then should it
>> be defaulting to the system wide TEMP variable, the one defined in
>> .bashrc for the user or should it even be created at all?  I posted an
>> strace and it shows TEMP set to /tmp but patch still uses TMP instead
>> and since TMP doesn't exist it looks like cygwin sets TMP to the
>> system wide one by default.
> 
> Are you sure TMP doesn't exist?  On my system TMP is set in the Windows
> environment.  Cygwin just takes that variable and converts the filename
> to Unix format.  So unless you unset TMP somewhere in your startup
> files, TMP will exist (at least in XP; I don't have experience with
> other systems).

  I think this is the nub of it.  On posix systems the /tmp dir is a vital
system directory, and cygwin should not import the windows version of it,
because unlike the real /tmp dir it won't have been created with the right
posix perms by setup.exe.

    cheers,
      DaveK

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