[cmake-developers] [CMake 0015311]: CMAKE_CXX_KNOWN_FEATURES variable documentation should be corrected

[Mantis Bug Tracker]

The following issue has been SUBMITTED. 
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http://www.cmake.org/Bug/view.php?id=15311 
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Reported By:                Paweł Stankowski
Assigned To:                
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Project:                    CMake
Issue ID:                   15311
Category:                   CMake
Reproducibility:            always
Severity:                   text
Priority:                   high
Status:                     new
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Date Submitted:             2014-12-16 14:46 EST
Last Modified:              2014-12-16 14:46 EST
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Summary:                    CMAKE_CXX_KNOWN_FEATURES variable documentation
should be corrected
Description: 
CMake 3.1 documentation available at www.cmake.org contains reference to
obsolete documentation of override control features. According to
[[http://msdn.microsoft.com/en-us/library/hh567368.aspx|http://msdn.microsoft.com/en-us/library/hh567368.aspx]],
final version of override control in C++11 is based on changes from N3206 and
N3272 documents. It means that defining \[\[hiding\]\],\[\[override\]\] and
other attributes and hiding control are not part of C++11 Standard.

Current CMake documentation:
cxx_final
    Override control final keyword, as defined in N2928.
cxx_override
    Override control override keyword, as defined in N2928.

Even CMake unit tests Tests/CompileFeatures/cxx_{final,override}.cpp check only
for 'override' keyword support, and not for attributes support from N2928.

There is a bug in GCC site, which potencially could be a reason for this one.

[[https://gcc.gnu.org/gcc-4.7/changes.html|GCC 4.7 changes page]] contains an
example of usage for 'override' keyword (and not attribute), but
[[https://gcc.gnu.org/gcc-4.7/cxx0x_status.html|Status of Experimental C++11
Support in GCC 4.7]] page lists only proposal N2928 as the one being
implemented. This bug was fixed at general
[[https://gcc.gnu.org/projects/cxx0x.html|C++0x/C++11 Support in GCC]] page.

Btw: Support for C++11 attribute syntax was added in
[[https://gcc.gnu.org/gcc-4.8/changes.html|g++ 4.8]].
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Issue History 
Date Modified    Username       Field                    Change               
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2014-12-16 14:46 Paweł StankowskiNew Issue                                    
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