[CMake] PARENT_SCOPE for unset()?

[Robert Dailey]

That worked, thanks David.

I guess CMake goes right-to-left for function parameters? I don't see how
else it doesn't think PARENT_SCOPE is a value instead of an option.

---------
Robert Dailey


On Thu, Feb 9, 2012 at 1:45 PM, David Cole <david.cole at kitware.com> wrote:

> On Thu, Feb 9, 2012 at 2:41 PM, Robert Dailey <rcdailey at gmail.com> wrote:
>
>> I didn't try that because I thought it would actually treat PARENT_SCOPE
>> as a string and add it to the variable. I did this instead:
>>
>> set( var "" PARENT_SCOPE )
>>
>
> That leaves it set, with a value of the empty string, in the parent scope.
> Give the one I sent a try.
>
>
>
>>
>> ---------
>> Robert Dailey
>>
>>
>>
>> On Thu, Feb 9, 2012 at 1:26 PM, David Cole <david.cole at kitware.com>wrote:
>>
>>> On Thu, Feb 9, 2012 at 2:22 PM, Alexander Neundorf <
>>> a.neundorf-work at gmx.net> wrote:
>>>
>>>> On Thursday 09 February 2012, Robert Dailey wrote:
>>>> > It would seem useful to have a PARENT_SCOPE option for the unset()
>>>> command,
>>>> > just like its set() counterpart. Is there a particular reason why it
>>>> does
>>>> > not have it now?
>>>>
>>>> No, I think there is not particular reason.
>>>>
>>>> Alex
>>>> --
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>>>
>>>
>>> Does:
>>>
>>>   set(var PARENT_SCOPE)
>>>
>>> have the intended effect?
>>>
>>> (If so, you could use that until such time as PARENT_SCOPE is added to
>>> unset.)
>>>
>>>
>>> --
>>>
>>> Powered by www.kitware.com
>>>
>>> Visit other Kitware open-source projects at
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>>>
>>> Please keep messages on-topic and check the CMake FAQ at:
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>>
>>
>
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