RE: Cygwin GNU App driving Clearcase NT

RE: Cygwin GNU App driving Clearcase NT

[Romaszkiewicz, Tom]

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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RE: Cygwin GNU App driving Clearcase NT

[Romaszkiewicz, Tom]

I think I've been fortunate so far in that through mainly luck paths haven't
created a problem for me.
This is sure to sneak up and bite my posterior at some point tho :-)
Thanks for the tip.

Tom

> -----Original Message-----
> From:	John Morrison [SMTP:john.r.morrison@ntlworld.com]
> Sent:	Wednesday, September 04, 2002 7:41 PM
> To:	Romaszkiewicz, Tom; cygwin@cygwin.com
> Subject:	RE: Cygwin GNU App driving Clearcase NT
> 
> > From: cygwin-owner@cygwin.com [mailto:cygwin-owner@cygwin.com]On Behalf
> > 
> > Hi all,
> > 
> > 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.
> > 
> > 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?
> 
> Does it work when <filename> has no path information?  If so, try
> using cygpath -w -p <filename>
> 
> J.


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RE: Cygwin GNU App driving Clearcase NT

[John Morrison]

> Ahem...  'cygpath -w -p <filename>'?  Just for the archives, before some
> poor slob starts asking "what is cygdrive, and why don't i have it
> installed"...

Sorry, typing without checking.  Must verify before a send :(

J.

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RE: Cygwin GNU App driving Clearcase NT

[Igor Pechtchanski]

On Wed, 4 Sep 2002, John Morrison wrote:

> > From: cygwin-owner@cygwin.com [mailto:cygwin-owner@cygwin.com]On Behalf
> >
> > Hi all,
> >
> > 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.
> >
> > 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?
>
> Does it work when <filename> has no path information?  If so, try
> using cygdrive -w -p <filename>

Ahem...  'cygpath -w -p <filename>'?  Just for the archives, before some
poor slob starts asking "what is cygdrive, and why don't i have it
installed"...
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_		pechtcha@cs.nyu.edu
ZZZzz /,`.-'`'    -.  ;-;;,_		igor@watson.ibm.com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

It took the computational power of three Commodore 64s to fly to the moon.
It takes a 486 to run Windows 95.  Something is wrong here. -- SC sig file


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RE: Cygwin GNU App driving Clearcase NT

[John Morrison]

> From: cygwin-owner@cygwin.com [mailto:cygwin-owner@cygwin.com]On Behalf
> 
> Hi all,
> 
> 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.
> 
> 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?

Does it work when <filename> has no path information?  If so, try
using cygdrive -w -p <filename>

J.

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Re: Cygwin GNU App driving Clearcase NT

[Peter A. Castro]

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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Re: Cygwin GNU App driving Clearcase NT

[Andrew DeFaria]

Romaszkiewicz, Tom wrote:

> Hi all,
>
> 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.
>
> 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?

You can start by expanding on "this operation always seems to fail"! :-)




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Cygwin GNU App driving Clearcase NT

[Romaszkiewicz, Tom]

Hi all,

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.

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?

Tom








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The information contained in this e-mail is confidential. It may also be legally privileged. It is intended only for the stated addressee(s) and access to it by any other person is unauthorised. If you are not an addressee, you must not disclose, copy, circulate or in any other way use or rely on the information contained in this e-mail. Such unauthorised use may be unlawful.

If you have received this e-mail in error, please inform RACAL INSTRUMENTS LTD. immediately by phoning +44 (0)1628 604455 (ask for the I.T. dept) and delete it and all copies from your system.
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