[CMake] Bug with ninja generator on windows using CMake 2.8.11.1

[Malfettone, Kris]

Robert, thank you for the quick response.  I should have searched a bit longer.  Looking forward to the new release.

Petr, good to know thanks for the heads up.

All, thanks again for CMake and all the work that goes into it.

-Kris

From: Robert Maynard [mailto:robert.maynard at kitware.com]
Sent: Tuesday, September 24, 2013 8:12 AM
To: Malfettone, Kris
Cc: cmake at cmake.org
Subject: Re: [CMake] Bug with ninja generator on windows using CMake 2.8.11.1

This bug has been fixed and is part of the 2.8.12 RC series.

On Mon, Sep 23, 2013 at 4:58 PM, Malfettone, Kris <Kris.Malfettone at sig.com<mailto:Kris.Malfettone at sig.com>> wrote:
I am experiencing what I consider a bug with the Ninja generator on Windows.  I am using CMake 2.8.11.1 and I believe the latest Ninja from github.  However, I do not believe this to be version specific.

Some of my builds use add_custom_command specifying WORKING_DIRECTORY as an argument.  When I have WORKING_DIRECTORY set to a directory on a drive that is not the same as my CMake build directory ninja builds will fail because it attempts to set the working directory by simply cd'ing to the WORKING_DIRECTORY.  In the windows cmd prompts this will fail because you need to issue 2 commands.  For instance if my CMake build directory is on C:\build_dir and the working directory is on Z:\working_dir ninja should issue:
   Z:
   cd Z:\working_dir
instead of just:
   cd Z:\working_dir

The annoying part of the bug is that the cd to Z:\working_dir command technically succeeds but doesn't change the current working directory.  Then the custom command itself will fail rather than the ninja command trying to cd because it is in the wrong working directory.

Am I mistaken or is this the behavior that others experience as well?

I imagine this would be an easy bug to fix and since I do these types of builds often it would be very much appreciated if it was.

-Kris Malfettone

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