OFF)
mark_as_advanced(GMX_BUILD_FOR_COVERAGE)
+
+######################################################################
+# Detect OpenMP support
+######################################################################
+# The OpenMP detection _must_ come before tests for other CFLAGS.
+include(gmxManageOpenMP)
+
+
+
######################################################################
# Compiler tests
# These need to be done early (before further tests).
#####################################################################
-# Warn if C and C++ compilers do not match
-if(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "${CMAKE_CXX_COMPILER_ID}")
- message(WARNING "The ids of the C and C++ compilers do not match (respectively ${CMAKE_C_COMPILER_ID} and ${CMAKE_CXX_COMPILER_ID}). Note that mixing different C/C++ compilers can cause problems!")
-endif()
-if(NOT "${CMAKE_C_COMPILER_VERSION}" STREQUAL "${CMAKE_CXX_COMPILER_VERSION}")
- message(WARNING "The versions of the C and C++ compilers do not match (respectively ${CMAKE_C_COMPILER_VERSION} and ${CMAKE_CXX_COMPILER_VERSION}). Note that mixing different C/C++ compilers can cause problems!")
-endif()
-
# The cmake/Check{C,CXX}CompilerFlag.cmake files in the GROMACS distribution
# are used with permission from CMake v2.8.9 so that GROMACS can detect
# invalid options with the Intel Compilers.
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
-######################################################################
-# Detect OpenMP
-#####################################################################
-# The OpenMP detection must come before tests for other CFLAGS.
-include(gmxManageOpenMP)
-
-
include(gmxCFlags)
gmx_c_flags()
set(EXTRA_C_FLAGS "")
set(EXTRA_CXX_FLAGS "")
-# gcc 4.4.x is buggy and crashes when compiling some files with O3 and OpenMP on.
-# Detect here whether applying a workaround is needed and will apply it later
-# on the affected files. This test must come after gmx_c_flags(), since we
-# only want to enable the workaround when using the -O3 flag.
-include(gmxGCC44O3BugWorkaround)
-gmx_check_gcc44_bug_workaround_needed(GMX_USE_GCC44_BUG_WORKAROUND)
-
-# 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.")
-endif()
+# Run through a number of tests for buggy compilers and other issues
+include(gmxTestCompilerProblems)
+gmx_test_compiler_problems()
-# clang <=3.2 contains a bug that causes incorrect code to be generated for the
-# vfmaddps instruction and therefore the bug is triggered with AVX_128_FMA.
-# (see: http://llvm.org/bugs/show_bug.cgi?id=15040).
-# We can work around this by not using the integrated assembler (except on OS X
-# which has an outdated assembler that does not support AVX instructions).
-if (${CMAKE_C_COMPILER_ID} MATCHES "Clang" AND CMAKE_C_COMPILER_VERSION VERSION_LESS "3.3")
- set(GMX_USE_CLANG_C_FMA_BUG_WORKAROUND TRUE)
-endif()
-if (${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "3.3")
- set(GMX_USE_CLANG_CXX_FMA_BUG_WORKAROUND TRUE)
-endif()
-
-if (CMAKE_C_COMPILER_ID STREQUAL "PGI")
- message(WARNING "All tested PGI compiler versions (up to 12.9.0) generate binaries which produce incorrect results, or even fail to compile Gromacs. Highly recommended to use a different compiler. If you choose to use PGI, make sure to run the regressiontests.")
-endif()
-
-if(CMAKE_C_COMPILER_ID MATCHES "Intel" AND CMAKE_C_COMPILER_VERSION VERSION_LESS "12.0.0")
- message(WARNING "Intel compilers before 12.0.0 are not routinely tested, so there may be problems. Version 11.1 with SSE4.1 is known to produce incorrect results. It is highly recommended to use a more up-to-date compiler. If you choose to use this version, make sure you run the regressiontests.")
-endif()
set(PKG_CFLAGS "")
if(GMX_DOUBLE)
--- /dev/null
+#
+# This file is part of the GROMACS molecular simulation package.
+#
+# Copyright (c) 2012,2013, 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.
+#
+# GROMACS is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License
+# as published by the Free Software Foundation; either version 2.1
+# of the License, or (at your option) any later version.
+#
+# GROMACS is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with GROMACS; if not, see
+# http://www.gnu.org/licenses, or write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# If you want to redistribute modifications to GROMACS, please
+# consider that scientific software is very special. Version
+# control is crucial - bugs must be traceable. We will be happy to
+# consider code for inclusion in the official distribution, but
+# derived work must not be called official GROMACS. Details are found
+# in the README & COPYING files - if they are missing, get the
+# official version 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.
+
+# Macro that runs through a number of tests for buggy compiler
+# versions, or other potential problems.
+macro(gmx_test_compiler_problems)
+
+ # Warn if C and C++ compilers do not match
+ if(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "${CMAKE_CXX_COMPILER_ID}")
+ message(WARNING "The ids of the C and C++ compilers do not match (${CMAKE_C_COMPILER_ID} and ${CMAKE_CXX_COMPILER_ID}, respectively). Mixing different C/C++ compilers can cause problems.")
+ endif()
+ if(NOT "${CMAKE_C_COMPILER_VERSION}" STREQUAL "${CMAKE_CXX_COMPILER_VERSION}")
+ message(WARNING "The versions of the C and C++ compilers do not match (${CMAKE_C_COMPILER_VERSION} and ${CMAKE_CXX_COMPILER_VERSION}, respectively). Mixing different C/C++ compilers can cause problems.")
+ endif()
+
+ # gcc 4.4.x is buggy and crashes when compiling some files with O3 and OpenMP on.
+ # Detect here whether applying a workaround is needed and will apply it later
+ # on the affected files. This test must come after gmx_c_flags(), since we
+ # only want to enable the workaround when using the -O3 flag.
+ include(gmxGCC44O3BugWorkaround)
+ gmx_check_gcc44_bug_workaround_needed(GMX_USE_GCC44_BUG_WORKAROUND)
+
+ # clang 3.0 is buggy for some unknown reason detected during adding
+ # the SSE2 group kernels for GROMACS 4.6. If we ever work out what
+ # that is, we should replace these tests with a compiler feature test,
+ # update GROMACS Redmine task #1039 and perhaps report a clang bug.
+ #
+ # In the meantime, until we require CMake 2.8.10 we cannot rely on it to detect
+ # the compiler version for us. So we need a manual check for clang 3.0.
+ include(gmxDetectClang30)
+ gmx_detect_clang_3_0(COMPILER_IS_CLANG_3_0)
+ if(COMPILER_IS_CLANG_3_0)
+ message(FATAL_ERROR "Your compiler is clang version 3.0, which is known to be buggy for GROMACS. Use a different compiler.")
+ endif()
+
+ # clang <=3.2 contains a bug that causes incorrect code to be generated for the
+ # vfmaddps instruction and therefore the bug is triggered with AVX_128_FMA.
+ # (see: http://llvm.org/bugs/show_bug.cgi?id=15040).
+ # We can work around this by not using the integrated assembler (except on OS X
+ # which has an outdated assembler that does not support AVX instructions).
+ if (${CMAKE_C_COMPILER_ID} MATCHES "Clang" AND CMAKE_C_COMPILER_VERSION VERSION_LESS "3.3")
+ set(GMX_USE_CLANG_C_FMA_BUG_WORKAROUND TRUE)
+ endif()
+ if (${CMAKE_CXX_COMPILER_ID} MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "3.3")
+ set(GMX_USE_CLANG_CXX_FMA_BUG_WORKAROUND TRUE)
+ endif()
+
+ if (CMAKE_C_COMPILER_ID STREQUAL "PGI")
+ message(WARNING "All tested PGI compiler versions (up to 12.9.0) generate binaries which produce incorrect results, or even fail to compile Gromacs. Highly recommended to use a different compiler. If you choose to use PGI, make sure to run the regressiontests.")
+ endif()
+
+ if(CMAKE_C_COMPILER_ID MATCHES "Intel" AND CMAKE_C_COMPILER_VERSION VERSION_LESS "12.0.0")
+ message(WARNING "Intel compilers before 12.0.0 are not routinely tested, so there may be problems. Version 11.1 with SSE4.1 is known to produce incorrect results. It is highly recommended to use a more up-to-date compiler. If you choose to use this version, make sure you run the regressiontests.")
+ endif()
+
+endmacro(gmx_test_compiler_problems)
biod.pnpi.spb.ru / alexxy / gromacs.git / commitdiff