MYNT-EYE-S-SDK/cmake/DetectCXX11.cmake

38 lines
1.1 KiB
CMake
Raw Normal View History

2018-03-11 18:15:30 +02:00
if(MSVC)
# Support For C++11/14/17 Features (Modern C++)
# https://msdn.microsoft.com/en-us/library/hh567368.aspx
# MSVC_VERSION:
# https://cmake.org/cmake/help/latest/variable/MSVC_VERSION.html
if(NOT (MSVC_VERSION LESS 1600))
message(STATUS "Visual Studio >= 2010, MSVC >= 10.0")
else()
message(FATAL_ERROR "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
endif()
else()
set(CXX_FLAGS_EXTRA "")
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("-std=c++11" COMPILER_SUPPORTS_CXX11)
check_cxx_compiler_flag("-std=c++0x" COMPILER_SUPPORTS_CXX0X)
if(COMPILER_SUPPORTS_CXX11)
set(CXX_FLAGS_EXTRA "-std=c++11")
message(STATUS "Using flag -std=c++11")
elseif(COMPILER_SUPPORTS_CXX0X)
set(CXX_FLAGS_EXTRA "-std=c++0x")
message(STATUS "Using flag -std=c++0x")
else()
message(FATAL_ERROR "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CXX_FLAGS_EXTRA}")
# Ensure access this in sub directories
set(CXX_FLAGS_EXTRA "${CXX_FLAGS_EXTRA}" CACHE STRING "Value of the extra cxx flags.")
endif()