3baca6364b
Drop the 'UNIX' condition on Clang compiler features. This enables use of compile features with MinGW Clang, though additional work may be needed for clang-cl.
62 lines
2.3 KiB
CMake
62 lines
2.3 KiB
CMake
include(Compiler/Clang)
|
|
__compiler_clang(CXX)
|
|
|
|
if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
|
|
set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden")
|
|
endif()
|
|
|
|
cmake_policy(GET CMP0025 appleClangPolicy)
|
|
if(APPLE AND NOT appleClangPolicy STREQUAL NEW)
|
|
return()
|
|
endif()
|
|
|
|
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 2.1)
|
|
set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98")
|
|
set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
|
|
endif()
|
|
|
|
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.1)
|
|
set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
|
|
set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
|
|
elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 2.1)
|
|
set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++0x")
|
|
set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++0x")
|
|
endif()
|
|
|
|
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
|
|
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++14")
|
|
set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14")
|
|
elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
|
|
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++1y")
|
|
set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
|
|
endif()
|
|
|
|
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
|
|
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}")
|
|
endif()
|
|
set(CMAKE_CXX_STANDARD_DEFAULT ${CMAKE_CXX_STANDARD_COMPUTED_DEFAULT})
|
|
elseif(NOT DEFINED CMAKE_CXX_STANDARD_DEFAULT)
|
|
# Compiler id was forced so just guess the default standard level.
|
|
set(CMAKE_CXX_STANDARD_DEFAULT 98)
|
|
endif()
|
|
endif()
|
|
|
|
macro(cmake_record_cxx_compile_features)
|
|
macro(_get_clang_features std_version list)
|
|
record_compiler_features(CXX "${std_version}" ${list})
|
|
endmacro()
|
|
|
|
set(_result 0)
|
|
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
|
|
_get_clang_features(${CMAKE_CXX14_STANDARD_COMPILE_OPTION} CMAKE_CXX14_COMPILE_FEATURES)
|
|
if (_result EQUAL 0)
|
|
_get_clang_features(${CMAKE_CXX11_STANDARD_COMPILE_OPTION} CMAKE_CXX11_COMPILE_FEATURES)
|
|
endif()
|
|
if (_result EQUAL 0)
|
|
_get_clang_features(${CMAKE_CXX98_STANDARD_COMPILE_OPTION} CMAKE_CXX98_COMPILE_FEATURES)
|
|
endif()
|
|
endif()
|
|
endmacro()
|