The following issue has been SUBMITTED. 
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http://www.cmake.org/Bug/view.php?id=15585 
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Reported By:                Ilya
Assigned To:                
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Project:                    CMake
Issue ID:                   15585
Category:                   CMake
Reproducibility:            N/A
Severity:                   feature
Priority:                   normal
Status:                     new
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Date Submitted:             2015-05-26 10:49 EDT
Last Modified:              2015-05-26 10:49 EDT
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Summary:                    Add support for the if / else construct to generator
expressions
Description: 
It's often desirable to provide content for both branches, e.g.:

    $<CONFIG:Debug:-O0?-O2>

Right now code should like this:

        $<CONFIG:Debug:-O0>$<$<NOT:$<CONFIG:Debug>>:-O2>

Which is beyond being readable.
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Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2015-05-26 10:49 Ilya           New Issue                                    
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