RE: Cygwin GNU App driving Clearcase NT

["Romaszkiewicz, Tom" <Tom.Romaszkiewicz@racalinst.co.uk>]

Hi Peter,

I managed to get to the bottom of the problem. PATCH calls CLEARTOOL via the
stdlib system() call.  
The return value from system() was 127 (indicating the Command language
intepreter failed to execute.)
I found a tip which said:-
Add c:\cygwin\bin to PATH.
Set MAKE_MODE = unix.
After rebuilding PATCH, everything worked great.

Thanks for your encouraging words.  I'm quite new to all of this!
I look forward to using cygwin more, it's very powerful.

Tom.
 

> -----Original Message-----
> From:	Peter A. Castro [SMTP:doctor@fruitbat.org]
> Sent:	Thursday, September 05, 2002 6:49 AM
> To:	Romaszkiewicz, Tom
> Cc:	'cygwin@cygwin.com'
> Subject:	Re: Cygwin GNU App driving Clearcase NT
> 
> On Wed, 4 Sep 2002, Romaszkiewicz, Tom wrote:
> 
> > Hi all,
> 
> Hi Tom,
> 
> > I have just begun to use cygwin on Windows NT4, with the aim of using
> GNU
> > Toolchain apps.
> > I'm having a problem with GNU PATCH (2.5.4) compiled under cygwin,
> > interacting with Clearcase NT (4.2)
> > 
> > PATCH correctly senses a file to be patched is under Clearcase control,
> and
> > generates the correct Cleartool checkout command line syntax accordingly
> > (cleartool co -unr -nc <filename> ), but this operation always seems to
> > fail.
> 
> You'll need to provide more detail about the failure.  What's the error
> message?  Is there an error message?  Can you get the exact command line
> that patch is generating and execute it manually?
> 
> > Assuming originally PATCH was at fault, I built for Win32, and the
> Cleartool
> > checkout command worked successfully.
> > 
> > My current thinking is my problem is about a UNIX app driving the DOS
> > Command line, and Cygwin needs to be configured somehow? Can someone
> suggest
> > anything I can try?
> 
> Not likely.  I use Cygwin and NT4 and ClearCase 4.2 at work all the time.
> No problems interacting with each other.  However, things to watch out
> for are path specifications.  If your patches uses "\" for the directory
> separator, and that's what's being passed in the command, then most
> likely the "\" is being treated as an escape character.  This is
> especially true if patch is executing the command from a sub-shell (in
> which case the *shell* is doing the interpreting, not cleartool).
> 
> Time like this require some debugging output at the place where the
> command is being executed.  You've got the source for patch, so go to it! 
> 
> > Tom
> 
> -- 
> Peter A. Castro <doctor@fruitbat.org> or <Peter.Castro@oracle.com>
> 	"Cats are just autistic Dogs" -- Dr. Tony Attwood


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