[CMake] Xcode without 'command line tools' & xcrun & CMake

[Sean McBride]

On Tue, 17 Jul 2012 14:22:20 -0400, Bill Hoffman said:

>> Not that I know of.  That would be analogous to...?  What would it do?
>
>In VS it setups the environment to run CC from the command line.
>
>>
>> For now, I've created this bug:
>>
>> CMake should support default installation of Xcode.app only, without
>'command line tools' extras
>> <http://public.kitware.com/Bug/view.php?id=13408>
>>
>I am not sure I agree with the statement.  CMake has always required 
>that the command line tools that it uses be in the environment.  I 
>really don't see how CMake could technically use xcrun to configure an 
>environment correctly so that things would work.  On all platforms CMake 
>requires the environment to work from the command line.

Well, I don't know enough about how cmake works internally, but I was under the impression that it looks for things in certain well-known places in hopes of finding them.  I just greped the code for 'usr/local/bin' and here's an example of what I mean:

  set(gp_cmd_paths ${gp_cmd_paths}
    "C:/Program Files/Microsoft Visual Studio 9.0/VC/bin"
    "C:/Program Files (x86)/Microsoft Visual Studio 9.0/VC/bin"
    "C:/Program Files/Microsoft Visual Studio 8/VC/BIN"
    "C:/Program Files (x86)/Microsoft Visual Studio 8/VC/BIN"
    "C:/Program Files/Microsoft Visual Studio .NET 2003/VC7/BIN"
    "C:/Program Files (x86)/Microsoft Visual Studio .NET 2003/VC7/BIN"
    "/usr/local/bin"
    "/usr/bin"
    )

Is this not a trial-and-error way of finding which folder holds the sought item?  Wouldn't it be a matter of extending this facility?  (Not that I'm saying it would be trivial to do so...)

>> Perhaps these tests should only be run conditional on the presence
>> of
>PackageMaker instead of allowed to fail hard?
>>
>This we might be able to fix.

Cool.  Shall I create a bug for that?

Cheers,

-- 
____________________________________________________________
Sean McBride, B. Eng                 sean at rogue-research.com
Rogue Research                        www.rogue-research.com 
Mac Software Developer              Montréal, Québec, Canada