libtree/cmake/Modules/c++-standards.cmake

67 lines
2.0 KiB
CMake

#
# Copyright (C) 2018 by George Cave - gcave@stablecoder.ca
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
# Set the compiler standard to C++11
macro(cxx_11)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
if(MSVC_VERSION GREATER_EQUAL "1900" AND CMAKE_VERSION LESS 3.10)
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("/std:c++11" _cpp_latest_flag_supported)
if(_cpp_latest_flag_supported)
add_compile_options("/std:c++11")
endif()
endif()
endmacro()
# Set the compiler standard to C++14
macro(cxx_14)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
if(MSVC_VERSION GREATER_EQUAL "1900" AND CMAKE_VERSION LESS 3.10)
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("/std:c++14" _cpp_latest_flag_supported)
if(_cpp_latest_flag_supported)
add_compile_options("/std:c++14")
endif()
endif()
endmacro()
# Set the compiler standard to C++17
macro(cxx_17)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
if(MSVC_VERSION GREATER_EQUAL "1900" AND CMAKE_VERSION LESS 3.10)
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("/std:c++17" _cpp_latest_flag_supported)
if(_cpp_latest_flag_supported)
add_compile_options("/std:c++17")
endif()
endif()
endmacro()
# Set the compiler standard to C++20
macro(cxx_20)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
endmacro()