You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
4.3 KiB
110 lines
4.3 KiB
include(Compiler/Clang)
|
|
__compiler_clang(CXX)
|
|
|
|
if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
|
|
set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden")
|
|
endif()
|
|
|
|
cmake_policy(GET CMP0025 appleClangPolicy)
|
|
if(APPLE AND NOT appleClangPolicy STREQUAL NEW)
|
|
return()
|
|
endif()
|
|
|
|
if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
|
|
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()
|
|
|
|
set(_clang_version_std17 5.0)
|
|
if(CMAKE_SYSTEM_NAME STREQUAL "Android")
|
|
set(_clang_version_std17 6.0)
|
|
endif()
|
|
|
|
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "${_clang_version_std17}")
|
|
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++17")
|
|
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++17")
|
|
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
|
|
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++1z")
|
|
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
|
|
endif()
|
|
|
|
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "${_clang_version_std17}")
|
|
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std=c++2a")
|
|
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
|
|
endif()
|
|
|
|
unset(_clang_version_std17)
|
|
|
|
__compiler_check_default_language_standard(CXX 2.1 98)
|
|
elseif(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 3.9
|
|
AND CMAKE_CXX_SIMULATE_VERSION VERSION_GREATER_EQUAL 19.0)
|
|
# This version of clang-cl and the MSVC version it simulates have
|
|
# support for -std: flags.
|
|
set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
|
|
set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
|
|
set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "")
|
|
set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "")
|
|
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std:c++14")
|
|
set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std:c++14")
|
|
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0)
|
|
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std:c++17")
|
|
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std:c++17")
|
|
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "-std:c++latest")
|
|
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "-std:c++latest")
|
|
else()
|
|
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std:c++latest")
|
|
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "-std:c++latest")
|
|
endif()
|
|
|
|
__compiler_check_default_language_standard(CXX 3.9 14)
|
|
else()
|
|
# This version of clang-cl, or the MSVC version it simulates, does not have
|
|
# language standards. Set these options as empty strings so the feature
|
|
# test infrastructure can at least check to see if they are defined.
|
|
set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
|
|
set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
|
|
set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "")
|
|
set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "")
|
|
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "")
|
|
set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "")
|
|
set(CMAKE_CXX17_STANDARD_COMPILE_OPTION "")
|
|
set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION "")
|
|
set(CMAKE_CXX20_STANDARD_COMPILE_OPTION "")
|
|
set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION "")
|
|
|
|
# There is no meaningful default for this
|
|
set(CMAKE_CXX_STANDARD_DEFAULT "")
|
|
|
|
# There are no compiler modes so we only need to test features once.
|
|
# Override the default macro for this special case. Pretend that
|
|
# all language standards are available so that at least compilation
|
|
# can be attempted.
|
|
macro(cmake_record_cxx_compile_features)
|
|
list(APPEND CMAKE_CXX_COMPILE_FEATURES
|
|
cxx_std_98
|
|
cxx_std_11
|
|
cxx_std_14
|
|
cxx_std_17
|
|
cxx_std_20
|
|
)
|
|
_record_compiler_features(CXX "" CMAKE_CXX_COMPILE_FEATURES)
|
|
endmacro()
|
|
endif()
|