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

[Petr Kmoch]

Hi.

I would just add that this is actually doable in one command - Windows 'cd'
accepts option '/D' which means "also change the drive, if applicable."
CMake would have to issue it, though.

Petr


On Mon, Sep 23, 2013 at 10:58 PM, Malfettone, Kris
<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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