#
# This file is part of the GROMACS molecular simulation package.
#
-# Copyright (c) 2012,2013,2014,2015,2016, by the GROMACS development team, led by
+# Copyright (c) 2012,2013,2014,2015,2016 by the GROMACS development team.
+# Copyright (c) 2017,2018,2019,2020,2021, by the GROMACS development team, led by
# Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
# and including many others, as listed in the AUTHORS file in the
# top-level source directory and at http://www.gromacs.org.
# To help us fund GROMACS development, we humbly ask that you cite
# the research papers on the package. Check out http://www.gromacs.org.
+include(CheckCXXSourceCompiles)
+
# Macro that runs through a number of tests for buggy compiler
# versions, or other potential problems.
macro(gmx_test_compiler_problems)
message(WARNING "The versions of the C and C++ compilers do not match (${CMAKE_C_COMPILER_VERSION} and ${CMAKE_CXX_COMPILER_VERSION}, respectively). Mixing different C/C++ compilers can cause problems.")
endif()
- # clang 3.0 is buggy for some unknown reason detected during adding
- # the SSE2 group kernels for GROMACS 4.6. If we ever work out what
- # that is, we should replace these tests with a compiler feature test,
- # update GROMACS Redmine task #1039 and perhaps report a clang bug.
- #
- # In the meantime, until we require CMake 2.8.10 we cannot rely on it to detect
- # the compiler version for us. So we need a manual check for clang 3.0.
- include(gmxDetectClang30)
- gmx_detect_clang_3_0(COMPILER_IS_CLANG_3_0)
- if(COMPILER_IS_CLANG_3_0)
- message(FATAL_ERROR "Your compiler is clang version 3.0, which is known to be buggy for GROMACS. Use a different compiler.")
+ # Error if compiler doesn't support required C++17 features.
+ # cmake feature detection is currently inconsistent: gitlab.kitware.com/cmake/cmake/issues/18869
+ # We might want to switch to using feature test macros some time.
+ if(CMAKE_COMPILER_IS_GNUCXX)
+ if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7)
+ set(cxx_required_version "GCC version 7")
+ endif()
+ elseif(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+ if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.15)
+ set(cxx_required_version "Visual Studio 2017")
+ endif()
+ elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+ if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5)
+ set(cxx_required_version "Clang 5")
+ endif()
+ elseif(CMAKE_CXX_COMPILER_ID MATCHES "IntelLLVM")
+ # All versions of IntelLLVM (a.k.a. DPCPP) compiler so far support C++17
+ else()
+ message(WARNING "You are using an unsupported compiler. Please make sure it fully supports C++17.")
endif()
-
- if (CMAKE_C_COMPILER_ID STREQUAL "PGI")
- message(WARNING "Currently tested PGI compiler versions (up to 15.7) generate binaries that do not pass all regression test, and the generated binaries are significantly slower than with GCC, ICC or Clang. For now we do not recommend PGI beyond development testing - make sure to run the regressiontests.")
+ if (cxx_required_version)
+ message(FATAL_ERROR "${cxx_required_version} or later required. "
+ "Earlier versions don't have full C++17 support.")
endif()
- if(CMAKE_COMPILER_IS_GNUCC AND
- (CMAKE_C_COMPILER_VERSION VERSION_LESS "4.9.0" OR CMAKE_SIZEOF_VOID_P EQUAL 8)
- AND (WIN32 OR CYGWIN)
- AND GMX_SIMD MATCHES "AVX" AND NOT GMX_SIMD STREQUAL AVX_128_FMA)
- message(WARNING "GCC on Windows (GCC older than 4.9 or any version when compiling for 64bit) with AVX (other than AVX_128_FMA) crashes. Choose a different GMX_SIMD or a different compiler.") # GCC bug 49001, 54412.
+ if (CMAKE_CXX_COMPILER_ID MATCHES "Intel" AND NOT CMAKE_CXX_COMPILER_ID MATCHES "IntelLLVM")
+ message(WARNING "The Intel classic compiler is no longer supported. It may pass the tests, but is not tested by the GROMACS developers. Use the clang-based compiler from oneAPI, or gcc")
+ endif()
+ # Intel LLVM 2021.2 defaults to no-finite-math which isn't OK for GROMACS and its dependencies (muParser and GTest).
+ # This is why we set the flags globally via CMAKE_CXX_FLAGS
+ if(GMX_INTEL_LLVM AND GMX_INTEL_LLVM_VERSION GREATER_EQUAL 2021020)
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-finite-math-only")
endif()
- if(CMAKE_C_COMPILER_ID MATCHES "Clang" AND WIN32)
- if(CMAKE_VERSION VERSION_LESS 3.0.0)
- message(WARNING "Clang on Windows requires cmake 3.0.0")
- endif()
- if(CMAKE_C_COMPILER_VERSION VERSION_LESS 3.5.0)
- message(WARNING "Clang on Windows requires clang 3.5.0")
+
+ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "XL")
+ check_cxx_source_compiles(
+"// Test in-class array initalizers used with constructor initializer lists
+struct TestStruct
+{
+ float a[3][3] = {{0}}; // in-class initializer
+ float b; // not initialized until constructor initializer list
+ TestStruct();
+};
+TestStruct::TestStruct() : b(0) {}
+}" XLC_COMPILES_CORRECTLY)
+ if (NOT XLC_COMPILES_CORRECTLY)
+ message(FATAL_ERROR "No known version of xlC can compile the normal C++11 code in GROMACS, highest version checked is 16.1.0")
endif()
endif()
+ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "PGI")
+ message(WARNING "Currently tested PGI compiler versions (up to 15.7) generate binaries that do not pass all regression test, and the generated binaries are significantly slower than with GCC or Clang. For now we do not recommend PGI beyond development testing - make sure to run the regressiontests.")
+ endif()
endmacro(gmx_test_compiler_problems)
biod.pnpi.spb.ru / alexxy / gromacs.git / blobdiff