I actually found that using the following worked the exact same for me:
set( var PARENT_SCOPE )
It passed the NOT test in my if condition:
if( NOT var )
...
endif()
It might make more sense to require 2 parameters for set() (the variable
name and its value). If setting to nothing, use a blank
Also I wonder what happens if you do this:
set( var PARENT_SCOPE PARENT_SCOPE PARENT_SCOPE )
-
Robert Dailey
On Fri, Feb 10, 2012 at 8:59 AM, Robert Dailey rcdai...@gmail.com wrote:
I actually found that using the following worked the exact same for me:
set( var PARENT_SCOPE )
On 02/10/2012 03:59 PM, Robert Dailey wrote:
I actually found that using the following worked the exact same for me:
set( var PARENT_SCOPE )
It passed the NOT test in my if condition:
if( NOT var )
...
endif()
Does it pass the NOT DEFINED test, too? There's a difference between
an
On Fri, Feb 10, 2012 at 10:00 AM, Robert Dailey rcdai...@gmail.com wrote:
Also I wonder what happens if you do this:
set( var PARENT_SCOPE PARENT_SCOPE PARENT_SCOPE )
That sets var to PARENT_SCOPE;PARENT_SCOPE in the parent scope.
-
Robert Dailey
On Fri, Feb 10, 2012 at
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?
-
Robert Dailey
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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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On Thu, Feb 9, 2012 at 2:22 PM, Alexander Neundorf
a.neundorf-w...@gmx.netwrote:
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
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 )
-
Robert Dailey
On Thu, Feb 9, 2012 at 1:26 PM, David Cole david.c...@kitware.com wrote:
On Thu, Feb 9, 2012 at 2:22 PM,
On Thu, Feb 9, 2012 at 2:41 PM, Robert Dailey rcdai...@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
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.c...@kitware.com wrote:
On Thu, Feb 9, 2012 at
Yes, PARENT_SCOPE must occur as the last argument. Each command has its own
code for processing its argument list. See Source/cmSetCommand.cxx for
details on this one.
Interesting (not quite the right adjective?) side effect: it's difficult to
set a variable to the value PARENT_SCOPE because you
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