a5923b4845
Those are old compilers and removing support allows removing a couple of workarounds. It also reduces the CI burden and will allow us to test more recent and more relevant compilers.
86 lines
3.4 KiB
CMake
86 lines
3.4 KiB
CMake
# Copyright Louis Dionne 2013-2017
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# Copyright Markus J. Weber 2015
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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#
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#
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# This CMake module checks whether the current compiler is supported, and
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# provides friendly hints to the user.
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if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
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if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "3.9.1")
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message(WARNING "
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### You appear to be using Clang ${CMAKE_CXX_COMPILER_VERSION}, which is known
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### to be unable to compile Hana. Consider switching to
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### Clang >= 3.9.1. If it is already installed on your
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### system, you can tell CMake about it with
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###
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### cmake .. -DCMAKE_CXX_COMPILER=/path/to/clang
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")
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endif()
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if (MSVC)
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if(${MSVC_VERSION} LESS 1900)
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message(WARNING "
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###
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### We detected that you were using Clang for Windows with a
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### -fms-compatibility-version parameter lower than 19. Only
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### -fms-compatibility-version=19 and above are supported by
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### Hana for lack of proper C++14 support prior for versions
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### below that.
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###
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### If this diagnostic is wrong and you are not using
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### -fms-compatibility-version, please file an issue at
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### https://github.com/boostorg/hana/issues.
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###
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")
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endif()
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endif()
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elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "AppleClang")
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if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "6.1.0")
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message(WARNING "
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### You appear to be using Apple's Clang ${CMAKE_CXX_COMPILER_VERSION}, which is
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### shipped with Xcode < 6.3. Unfortunately, only Apple's Clang
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### >= 6.1.0 (shipped with Xcode >= 6.3) can compile Hana.
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### You should consider updating to Xcode >= 6.3 (requires Yosemite)
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### or using a non-Apple Clang >= 3.9.1, which can be installed via
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### Homebrew with
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###
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### brew install llvm --with-clang
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###
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### You can then tell CMake to use that non-system Clang with
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###
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### cmake .. -DCMAKE_CXX_COMPILER=/path/to/clang
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")
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endif()
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elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
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if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "6.0.0")
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message(WARNING "
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### You appear to be using GCC ${CMAKE_CXX_COMPILER_VERSION}, which is known to be
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### unable to compile Hana. Only GCC >= 6.0.0 is supported.
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### Consider using a more recent GCC or switching to Clang.
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### If a more recent compiler is already installed on your
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### system, you can tell CMake to use it with
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###
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### cmake .. -DCMAKE_CXX_COMPILER=/path/to/compiler
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")
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endif()
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elseif (MSVC)
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message(WARNING "
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### Using the native Microsoft compiler (MSVC) is not supported for lack
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### of proper C++14 support. However, you can install pre-built Clang for
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### Windows binaries (with Visual Studio integration if desired) at
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### http://llvm.org/releases/download.html.
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###
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### More information about how to set up Hana with Clang for Windows is
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### available on Hana's wiki at http://git.io/vBYIp.
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")
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else()
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message(WARNING "
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### You appear to be using a compiler that is not yet tested with Hana.
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### Please tell us whether it successfully compiles or if and how it
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### fails by opening an issue at https://github.com/boostorg/hana/issues.
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### Thanks!
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")
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endif()
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