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Merge topic 'clang-3.1-3.3-cpp11'

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9fe399e3 Features: activate C++11 support for Clang 3.1+
This commit is contained in:
Brad King 2017-01-16 11:01:05 -05:00 committed by CMake Topic Stage
commit 034e1723db
2 changed files with 4 additions and 5 deletions
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3
Modules/Compiler/Clang-CXX-FeatureTests.cmake
View File

@ -2,7 +2,7 @@
# Reference: http://clang.llvm.org/cxx_status.html
# http://clang.llvm.org/docs/LanguageExtensions.html
set(_cmake_oldestSupported "((__clang_major__ * 100) + __clang_minor__) >= 304")
set(_cmake_oldestSupported "((__clang_major__ * 100) + __clang_minor__) >= 301")
include("${CMAKE_CURRENT_LIST_DIR}/Clang-CXX-TestableFeatures.cmake")
@ -15,7 +15,6 @@ set(_cmake_feature_test_cxx_digit_separators "${Clang34_CXX14}")
# http://llvm.org/bugs/show_bug.cgi?id=19674
set(_cmake_feature_test_cxx_generic_lambdas "${Clang34_CXX14}")
# TODO: Should be supported by Clang 3.1
set(Clang31_CXX11 "${_cmake_oldestSupported} && __cplusplus >= 201103L")
set(_cmake_feature_test_cxx_enum_forward_declarations "${Clang31_CXX11}")
set(_cmake_feature_test_cxx_sizeof_member "${Clang31_CXX11}")

6
Modules/Compiler/Clang-CXX.cmake
View File

@ -36,7 +36,7 @@ if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
endif()
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.1)
if (NOT CMAKE_CXX_COMPILER_FORCED)
if (NOT CMAKE_CXX_STANDARD_COMPUTED_DEFAULT)
message(FATAL_ERROR "CMAKE_CXX_STANDARD_COMPUTED_DEFAULT should be set for ${CMAKE_CXX_COMPILER_ID} (${CMAKE_CXX_COMPILER}) version ${CMAKE_CXX_COMPILER_VERSION}")
@ -50,14 +50,14 @@ endif()
macro(cmake_record_cxx_compile_features)
set(_result 0)
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.1)
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()
if (_result EQUAL 0)
if (_result EQUAL 0 AND CMAKE_CXX11_STANDARD_COMPILE_OPTION)
_record_compiler_features_cxx(11)
endif()
if (_result EQUAL 0)