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Features: Activate C++ 17 support for GNU 5.1+

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This commit is contained in:
Brad King
2016-11-30 15:25:39 -05:00
parent ae1a6815b6
commit 24e29d4190
1 changed files with 8 additions and 0 deletions
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8
Modules/Compiler/GNU-CXX.cmake
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@@ -34,6 +34,11 @@ elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1)
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++1z")
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
endif()
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
if (NOT CMAKE_CXX_COMPILER_FORCED)
if (NOT CMAKE_CXX_STANDARD_COMPUTED_DEFAULT)
@@ -49,6 +54,9 @@ endif()
macro(cmake_record_cxx_compile_features)
set(_result 0)
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
if(_result EQUAL 0 AND CMAKE_CXX17_STANDARD_COMPILE_OPTION)
_record_compiler_features_cxx(17)
endif()
if(_result EQUAL 0 AND CMAKE_CXX14_STANDARD_COMPILE_OPTION)
_record_compiler_features_cxx(14)
endif()