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Date:	Thu, 09 Jul 2009 12:54:24 -0400
From:	"Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	Re: cl.exe compiles libraries with blank permissions
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icc97 wrote:
> 
> 
> Larry Hall (Cygwin) wrote:
>> icc97 wrote:
>>> Further research shows that the issue is that the file is first created
>>> with
>>> additional windows permissions i.e. doing ls -lrt on the file gives:
>>>
>>> ----------+ 1 myname            Domain Users  14436 Jul  8 13:00
>>> mylib.lib
>>>
>>> The '+' indicating additional permissions.
>>>
>>> The file is then copied to a separate directory and the additional
>>> permissions are lost, so now doing an ls -lrt gives:
>>> ---------- 1 myname            Domain Users 14436 Jul  8 13:04 mylib.lib
>>>
>>> The '+' is gone.  So does anyone know why the file permissions get
>>> removed
>>> when the file is copied?
>> I suspect you're using 'cp' which by default only respects POSIX
>> permissions.  Use the '--preserve=all' switch in this case.
>
> Thanks Larry, that explains the copying issue.  I'm not sure what causes the
> POSIX permissions to be removed by the compiler though.

While it is a bit strange that a non-Cygwin program would create files with
permissions that are completely untranslatable into some kind of POSIX
permissions, it is possible.  Non-Cygwin programs, of course, don't have
to worry about supporting POSIX permission guidelines.

-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
216 Dalton Rd.                          (508) 893-9889 - FAX
Holliston, MA 01746

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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