2 # This file is part of the GROMACS molecular simulation package.
4 # Copyright (c) 2012, by the GROMACS development team, led by
5 # David van der Spoel, Berk Hess, Erik Lindahl, and including many
6 # others, as listed in the AUTHORS file in the top-level source
7 # directory and at http://www.gromacs.org.
9 # GROMACS is free software; you can redistribute it and/or
10 # modify it under the terms of the GNU Lesser General Public License
11 # as published by the Free Software Foundation; either version 2.1
12 # of the License, or (at your option) any later version.
14 # GROMACS is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 # Lesser General Public License for more details.
19 # You should have received a copy of the GNU Lesser General Public
20 # License along with GROMACS; if not, see
21 # http://www.gnu.org/licenses, or write to the Free Software Foundation,
22 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 # If you want to redistribute modifications to GROMACS, please
25 # consider that scientific software is very special. Version
26 # control is crucial - bugs must be traceable. We will be happy to
27 # consider code for inclusion in the official distribution, but
28 # derived work must not be called official GROMACS. Details are found
29 # in the README & COPYING files - if they are missing, get the
30 # official version at http://www.gromacs.org.
32 # To help us fund GROMACS development, we humbly ask that you cite
33 # the research papers on the package. Check out http://www.gromacs.org.
35 # This macro attempts to parse the version string of the C compiler in use.
36 # Currently supported are only compilers that accept "-dumpversion" argument:
37 # gcc, Intel Compiler (on Linux and Mac OS), Open64, EkoPath.
39 # C_COMPILER_VERSION - version string of the current C compiler (CMAKE_C_COMPILER)
40 # CXX_COMPILER_VERSION - version string of the current C++ compiler (CMAKE_CXX_COMPILER)
42 macro(get_compiler_version)
43 if(NOT C_COMPILER_VERSION)
44 execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion
45 RESULT_VARIABLE _cc_dumpversion_res
46 OUTPUT_VARIABLE _cc_dumpversion_out
47 ERROR_VARIABLE _cc_dumpversion_err
48 OUTPUT_STRIP_TRAILING_WHITESPACE)
50 if (${_cc_dumpversion_res} EQUAL 0)
51 SET(C_COMPILER_VERSION ${_cc_dumpversion_out}
52 CACHE STRING "C compiler version string" FORCE)
54 SET(C_COMPILER_VERSION ""
55 CACHE STRING "C compiler version string not available" FORCE)
59 if(NOT CXX_COMPILER_VERSION AND CMAKE_CXX_COMPILER_LOADED)
60 execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion
61 RESULT_VARIABLE _cxx_dumpversion_res
62 OUTPUT_VARIABLE _cxx_dumpversion_out
63 ERROR_VARIABLE _cxx_dumpversion_err
64 OUTPUT_STRIP_TRAILING_WHITESPACE)
66 if (${_cxx_dumpversion_res} EQUAL 0)
67 SET(CXX_COMPILER_VERSION ${_cxx_dumpversion_out}
68 CACHE STRING "C++ compiler version string" FORCE)
70 SET(CXX_COMPILER_VERSION ""
71 CACHE STRING "C++ compiler version string not available" FORCE)
75 if (NOT "${C_COMPILER_VERSION}" STREQUAL "${CXX_COMPILER_VERSION}" AND CMAKE_CXX_COMPILER_LOADED)
76 message(WARNING "The version string of the C and C++ compilers does not match!")
79 mark_as_advanced(C_COMPILER_VERSION CXX_COMPILER_VERSION)
82 # This macro attempts to get a reasonable version string for a compiler,
83 # and also extracts compiler flags.
86 # LANGUAGE - C or CXX, the compiler to check for
87 # BUILD_COMPILER - [output variable] string with compiler path, ID and
88 # some compiler-provided information
89 # BUILD_FLAGS - [output variable] flags for the compiler
91 macro(get_compiler_info LANGUAGE BUILD_COMPILER BUILD_FLAGS)
92 execute_process(COMMAND ${CMAKE_${LANGUAGE}_COMPILER} --version
93 RESULT_VARIABLE _exec_result
94 OUTPUT_VARIABLE _compiler_version
95 ERROR_VARIABLE _compiler_version)
96 # Try executing just the compiler command --version failed
98 execute_process(COMMAND ${CMAKE_${LANGUAGE}_COMPILER}
99 RESULT_VARIABLE _exec_result
100 OUTPUT_VARIABLE _compiler_version
101 ERROR_VARIABLE _compiler_version)
103 if(NOT "${_compiler_version}" STREQUAL "")
104 string(REGEX MATCH "[^\n]+" _compiler_version "${_compiler_version}")
107 set(${BUILD_COMPILER}
108 "${CMAKE_${LANGUAGE}_COMPILER} ${CMAKE_${LANGUAGE}_COMPILER_ID} ${_compiler_version}")
109 set(_build_flags "${CMAKE_${LANGUAGE}_FLAGS}")
110 string(TOUPPER ${CMAKE_BUILD_TYPE} _build_type)
111 set(_build_flags "${_build_flags} ${CMAKE_${LANGUAGE}_FLAGS_${_build_type}}")
112 set(${BUILD_FLAGS} ${_build_flags})