The following issue has been SUBMITTED. 
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http://public.kitware.com/Bug/view.php?id=15012 
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Reported By:                Philipp Möller
Assigned To:                
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Project:                    CMake
Issue ID:                   15012
Category:                   Documentation
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
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Date Submitted:             2014-07-10 07:09 EDT
Last Modified:              2014-07-10 07:09 EDT
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Summary:                    Generator expressions provide PLATFORM_ID but its
values are not documented
Description: 
http://www.cmake.org/cmake/help/v3.0/manual/cmake-generator-expressions.7.html
documents PLATFORM_ID, but does not mention the possible values the variable
could have.

I suppose the corresponding variable is CMAKE_<LANG>_PLATFORM_ID
http://www.cmake.org/cmake/help/v3.0/variable/CMAKE_LANG_PLATFORM_ID.html, but
is documented as internal.

Removing PLATFORM_ID from generator expressions would be a step backwards since
it would remove an important use case, documentation CMAKE_<LAND>_PLATFORM_ID
seems the right direction.

In general the generator expression documentation could be more explicit about
the corresponding variables.

Steps to Reproduce: 
None.
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Issue History 
Date Modified    Username       Field                    Change               
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2014-07-10 07:09 Philipp Möller New Issue                                    
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