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Date: Sun, 9 Feb 2003 18:30:28 -0500
From: Christopher Faylor <cgf-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Shell brace expansion in make works?
Message-ID: <20030209233028.GA30989@redhat.com>
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References: <20030209151057 DOT A13079 AT saturn DOT billgatliff DOT com> <b26h1m$c3a$1 AT main DOT gmane DOT org>
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On Sun, Feb 09, 2003 at 04:28:21PM -0500, Rolf Campbell wrote:
>William A. Gatliff wrote:
>>I have a Makefile with a command like this:
>>
>> mkdir -p /opt/billgatliff/{usr,lib}
>>
>>Works fine under Linux, but not on the latest Cygwin.
>>
>>Under Cygwin, what I actually get is a directory called "{usr",
>>instead of "usr".  Other variations on this brace expansion (in tar
>>arguments, etc.) produce similar problems.
>>
>>I checked this:
>>
>>$ set | grep SHELL
>>SHELL=/bin/bash
>>
>>Seems fine.  But when I do this:
>>
>>$ make SHELL=/bin/sh ...
>                    ^^ "bash"
>>
>>I actually get what I'm after, i.e. "usr" instead of "{usr".
>I'm guessing that you meant to type "bash" in the email.  Either way, 
>cygwin make seems to ignore the environment variable SHELL, and uses 
>'/bin/sh' unless you specify on the command-line or in the makefile.

Yeah, cygwin's make, and linux's make, and Tru64's make, and...

Since /bin/sh is "ash" on cygwin and brace expansion is not supported
in ash, this is working as designed.

cgf
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