cygwin configure problem

[Gene Smith]

Ralf Corsepius wrote, On 08/17/2004 09:44 PM:
> On Tue, 2004-08-17 at 19:23, Smith, Gene wrote:
> 
>>Ralf Corsepius wrote, On 8/17/2004 11:47 AM:
>>
>>
>>>On Tue, 2004-08-17 at 17:16, Smith, Gene wrote:
>>>
>>>
>>>
>>>>cd `pwd`
>>>>Pwd generates a string containing "Documents and Settings" but cd 
>>>>trucates it at the first un-escaped space producing just ".../Documents" 
>>>>which causes the choke.
>>>>
>>>>Guess I will have to move my rtems stuff to where the cygwin path 
>>>>contains no spaces.
>>>
>>>Exactly. It's a general limitation with all autoconf generated configure
>>>scripts. There are occasions where quoting strings containing white
>>>spaces fail. Sometimes, the cause is a bug in autoconf, sometimes the
>>>cause is a bug in the shell being used, sometimes it's a bug elsewhere.
> 
> FWIW: The bug you've hit is a quoting bug in RTEMS. 
> 
> Once having fixed this one you'll trip a similar known quoting bug in
> autoconf, which already had been fixed in autoconf CVS, but is still
> open in released version. Later, you'll trip yet another a new quoting
> bug in autoconf :)

Any bugzilla numbers for these looming bugs?

> 
> 
>>>Rule of thumb: Don't use whitespaces.
>>>
>>>Ralf
>>
>>I agree. They are evil in pathnames, email address, URLs etc. But some
>>OS vendors seem to encourage them. ;)
>>
>>Anyhow, I moved my rtems stuff to a space-free path and now am stumped
>>again. Spits out this after going a while,
>>
>>configure: error: invalid variable name: build_alias
>>configure: error: /bin/sh
>>'../../../../rtems-4.6.1/tools/cpu/generic/configure' failed for generic
>>configure: error: /bin/sh '../../../rtems-4.6.1/tools/cpu/configure'
>>failed for tools/cpu
> 
> This issue had been reported many times (Please check this list's
> archives). 
> 
> I am not using Cygwin myself, and therefore hardly can help, but AFAIU
> the Cygwin users' reports, this is a bug in Cygwin.
> 
> Ralf

Yes, I could see it was reported but a definite reason was never given. 
(Sometimes shutting down virus checking and other programs helped.) Has 
anyone actually used cygwin to build and manage a successful rtems project?