Files
callable_traits/cmake/CheckCxxCompilerSupport.cmake
2016-03-14 07:51:31 -05:00

93 lines
3.7 KiB
CMake

# Copyright Louis Dionne 2015
# Copyright Markus J. Weber 2015
# Modified Work Copyright Barrett Adair 2015
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#
#
# This CMake module checks whether the current compiler is supported, and
# provides friendly hints to the user.
if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "3.7")
message(WARNING "
### You appear to be using Clang ${CMAKE_CXX_COMPILER_VERSION}, which is known
### to be unable to compile CLBL. Consider switching to
### Clang >= 3.7. If it is already installed on your
### system, you can tell CMake about it with
###
### cmake .. -DCMAKE_CXX_COMPILER=/path/to/clang
")
endif()
if (MSVC)
if(${MSVC_VERSION} LESS 1900)
message(WARNING "
### Your version of Visual Studio is not supported.
### Please upgrade to Visual Studio 2015 or above.
")
endif()
if(${CMAKE_GENERATOR_TOOLSET} MATCHES "LLVM-*")
message(STATUS "Visual Studio platform toolset is ${CMAKE_GENERATOR_TOOLSET}")
else()
message(WARNING "
### You haven't specified the platform toolset option to cmake.
### Please run cmake for a Windows 32bit solution with
### cmake -TLLVM-vs2014 ..
### and for a Windows 64bit solution with
### cmake -TLLVM-vs2014 -G\"Visual Studio 14 2015 Win64\" ..
### which should choose the correct platform toolset automatically.
")
endif()
if(NOT ${CMAKE_GENERATOR} MATCHES "Visual Studio 14 2015*")
message(WARNING "
### You're not using a Visual Studio 2015 generator. Please run cmake
### for a Windows 32bit solution with
### cmake -TLLVM-vs2014 ..
### and for a Windows 64bit solution with
### cmake -TLLVM-vs2014 -G\"Visual Studio 14 2015 Win64\" ..
### which should choose the correct platform toolset automatically.
")
endif()
endif()
elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "AppleClang")
if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "7")
message(WARNING "
### You appear to be using Apple's Clang ${CMAKE_CXX_COMPILER_VERSION}, which is
### shipped with Xcode < 7. You should consider using a
### non-Apple Clang >= 3.7, which can be installed via
### Homebrew with
###
### brew install llvm --with-clang
###
### You can then tell CMake to use that non-system Clang with
###
### cmake .. -DCMAKE_CXX_COMPILER=/path/to/clang
")
endif()
elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "5.2.1")
message(WARNING "
### You appear to be using GCC ${CMAKE_CXX_COMPILER_VERSION}, which may
### not be able to compile CLBL. CLBL officially supports GCC versions >= 5.2.1.
")
endif()
elseif (MSVC)
message(WARNING "
### Native Visual Studio is not supported. Please install pre-built windows
### LLVM/Clang binaries with Visual Studio 2015 integration and run cmake
### for a Windows 32bit solution with
### cmake -TLLVM-vs2014 ..
### and for a Windows 64bit solution with
### cmake -TLLVM-vs2014 -G\"Visual Studio 14 2015 Win64\" ..
### which should choose the correct platform toolset automatically.
")
else()
message(WARNING "
### You appear to be using a compiler that is not yet tested with CLBL.
### Please tell us whether it successfully compiles or if and how it
### fails by opening an issue at https://github.com/badair/CLBL/issues.
### Thanks!
")
endif()