Files
callable_traits/cmake/CheckCxxCompilerSupport.cmake
2016-03-27 16:08:23 -05:00

70 lines
2.6 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 "3.5")
message(WARNING "
### You appear to be using Clang ${CMAKE_CXX_COMPILER_VERSION},
### which might not be unable to compile CallableTraits. If it compiles
### successfully, please let us know by opening an issue at
### https://github.com/badair/callable_traits/issues. If not, consider
### switching to Clang >= 3.5. If it is already installed on your system,
### you can tell CMake about it with
###
### cmake .. -DCMAKE_CXX_COMPILER=/path/to/clang
")
endif()
endif()
if (MSVC)
if(${MSVC_VERSION} LESS 1900)
message(WARNING "
### Your version of Visual Studio is not supported.
### Please upgrade to Visual Studio 2015 or above.
")
endif()
if(NOT ${CMAKE_GENERATOR} MATCHES "Visual Studio 14 2015*")
message(WARNING "
### You're not using a Visual Studio 2015 Makefile generator. Please run cmake with
### cmake .. -G\"Visual Studio 14 2015\"
")
endif()
elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "AppleClang")
if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "6.3")
message(WARNING "
### You appear to be using Apple's Clang ${CMAKE_CXX_COMPILER_VERSION},
### which is shipped with Xcode < 6.3. You should consider using a
### non-Apple Clang >= 3.5, which can be installed via
### Homebrew with
###
### brew install llvm --with-clang
###
### You can then tell CMake to use that non-system Clang with
###
### cmake .. -DCMAKE_CXX_COMPILER=/path/to/clang
")
endif()
elseif (${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 might
### not be able to compile CallableTraits. CallableTraits officially supports
### GCC versions >= 5.2.1.
")
endif()
else()
message(WARNING "
### You appear to be using a compiler that is not yet tested with CallableTraits.
### Please tell us whether it successfully compiles or if and how it
### fails by opening an issue at https://github.com/badair/callable_traits/issues.
### Thanks!
")
endif()