2 # This file is part of the GROMACS molecular simulation package.
4 # Copyright (c) 2009,2010,2011,2012,2013,2014, by the GROMACS development team, led by
5 # Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
6 # and including many others, as listed in the AUTHORS file in the
7 # top-level source 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 # Test C flags FLAGS, and set VARIABLE to true if the work. Also add the
37 MACRO(GMX_TEST_CFLAG VARIABLE FLAGS CFLAGSVAR)
38 IF(NOT DEFINED ${VARIABLE})
39 CHECK_C_COMPILER_FLAG("${FLAGS}" ${VARIABLE})
40 ENDIF(NOT DEFINED ${VARIABLE})
42 SET (${CFLAGSVAR} "${FLAGS} ${${CFLAGSVAR}}")
44 ENDMACRO(GMX_TEST_CFLAG VARIABLE FLAGS CFLAGSVAR)
46 # Test C++ flags FLAGS, and set VARIABLE to true if the work. Also add the
47 # flags to CXXFLAGSVAR.
48 MACRO(GMX_TEST_CXXFLAG VARIABLE FLAGS CXXFLAGSVAR)
49 IF(NOT DEFINED ${VARIABLE})
50 CHECK_CXX_COMPILER_FLAG("${FLAGS}" ${VARIABLE})
51 ENDIF(NOT DEFINED ${VARIABLE})
53 SET (${CXXFLAGSVAR} "${FLAGS} ${${CXXFLAGSVAR}}")
55 ENDMACRO(GMX_TEST_CXXFLAG VARIABLE FLAGS CXXFLAGSVAR)
57 # Set the real CMake variables for compiler flags. This should be a function
58 # so we can have proper local variables while avoiding duplicating code.
59 function(gmx_set_cmake_compiler_flags)
60 foreach(language C CXX)
61 # Copy the flags for the release build type to the build types
62 # that are modified forms of it. Ideally, the list of build
63 # types that are modifications of the Release build type would
64 # be set up elsewhere and passed to this function, but it is
65 # inconvenient in CMake to pass more than one list, and such a
66 # list is only used here.
67 foreach(build_type RELWITHDEBUGINFO RELWITHASSERT MINSIZEREL)
68 set(GMXC_${language}FLAGS_${build_type} "${GMXC_${language}FLAGS_RELEASE}")
70 # Copy the flags that are only used by the real Release build
71 # type. Currently unused, but we plan to use -Wno-array-bounds
72 # in Release to work around gcc-4.8 being a little too vocal
73 # about some perfectly good code, while using RelWithAssert
74 # (ie. without that suppression) in Jenkins.
75 set(GMXC_${language}FLAGS_RELEASE "${GMXC_${language}FLAGS_RELEASE} ${GMXC_${language}FLAGS_RELEASE_ONLY}")
77 # Modify the real CMake variables for compiler flags for all
78 # builds and language types, and also those common to all
80 foreach(build_type "" ${build_types_with_explicit_flags})
81 if("${build_type}" STREQUAL "")
82 set(punctuation "") # for general compiler flags (e.g.) CMAKE_CXX_FLAGS
84 set(punctuation "_") # for build-type-specific compiler flags (e.g.) CMAKE_CXX_FLAGS_RELEASE
87 # Append to the variables for the given build type for
88 # each language, in the parent scope.
89 set(CMAKE_${language}_FLAGS${punctuation}${build_type}
90 "${GMXC_${language}FLAGS${punctuation}${build_type}} ${CMAKE_${language}_FLAGS${punctuation}${build_type}}"
96 # This is the actual exported function to be called
99 include(CheckCCompilerFlag)
100 include(CheckCXXCompilerFlag)
103 if(CMAKE_COMPILER_IS_GNUCC)
104 #flags are added in reverse order and -Wno* need to appear after -Wall
106 GMX_TEST_CFLAG(CFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CFLAGS)
108 GMX_TEST_CFLAG(CFLAGS_WARN "-Wall -Wno-unused -Wunused-value -Wunused-parameter" GMXC_CFLAGS)
109 GMX_TEST_CFLAG(CFLAGS_WARN_EXTRA "-Wextra -Wno-missing-field-initializers -Wno-sign-compare -Wpointer-arith" GMXC_CFLAGS)
111 GMX_TEST_CFLAG(CFLAGS_EXCESS_PREC "-fexcess-precision=fast" GMXC_CFLAGS_RELEASE)
112 GMX_TEST_CFLAG(CFLAGS_COPT "-fomit-frame-pointer -funroll-all-loops"
114 GMX_TEST_CFLAG(CFLAGS_NOINLINE "-fno-inline" GMXC_CFLAGS_DEBUG)
117 if(CMAKE_COMPILER_IS_GNUCXX)
119 GMX_TEST_CXXFLAG(CXXFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CXXFLAGS)
121 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "-Wall -Wno-unused-function" GMXC_CXXFLAGS)
122 # Problematic with CUDA
123 # GMX_TEST_CXXFLAG(CXXFLAGS_WARN_EFFCXX "-Wnon-virtual-dtor" GMXC_CXXFLAGS)
124 GMX_TEST_CXXFLAG(CXXFLAGS_WARN_EXTRA "-Wextra -Wno-missing-field-initializers -Wpointer-arith" GMXC_CXXFLAGS)
126 GMX_TEST_CXXFLAG(CXXFLAGS_EXCESS_PREC "-fexcess-precision=fast" GMXC_CXXFLAGS_RELEASE)
127 GMX_TEST_CXXFLAG(CXXFLAGS_COPT "-fomit-frame-pointer -funroll-all-loops"
128 GMXC_CXXFLAGS_RELEASE)
129 GMX_TEST_CXXFLAG(CXXFLAGS_NOINLINE "-fno-inline" GMXC_CXXFLAGS_DEBUG)
133 if (CMAKE_C_COMPILER_ID MATCHES "Intel")
136 GMX_TEST_CFLAG(CFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CFLAGS)
138 GMX_TEST_CFLAG(CFLAGS_WARN "-w3 -wd111 -wd177 -wd181 -wd193 -wd271 -wd304 -wd383 -wd424 -wd444 -wd522 -wd593 -wd869 -wd981 -wd1418 -wd1419 -wd1572 -wd1599 -wd2259 -wd2415 -wd2547 -wd2557 -wd3280 -wd3346" GMXC_CFLAGS)
139 GMX_TEST_CFLAG(CFLAGS_STDGNU "-std=gnu99" GMXC_CFLAGS)
140 GMX_TEST_CFLAG(CFLAGS_OPT "-ip -funroll-all-loops -alias-const -ansi-alias" GMXC_CFLAGS_RELEASE)
142 GMX_TEST_CFLAG(CFLAGS_WARN "/W2" GMXC_CFLAGS)
143 GMX_TEST_CFLAG(CFLAGS_X86 "/Qip" GMXC_CFLAGS_RELEASE)
147 if (CMAKE_CXX_COMPILER_ID MATCHES "Intel")
150 GMX_TEST_CXXFLAG(CXXFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CXXFLAGS)
152 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "-w3 -wd111 -wd177 -wd181 -wd193 -wd271 -wd304 -wd383 -wd424 -wd444 -wd522 -wd593 -wd869 -wd981 -wd1418 -wd1419 -wd1572 -wd1599 -wd2259 -wd2415 -wd2547 -wd2557 -wd3280 -wd3346 -wd1782" GMXC_CXXFLAGS)
153 GMX_TEST_CXXFLAG(CXXFLAGS_OPT "-ip -funroll-all-loops -alias-const -ansi-alias" GMXC_CXXFLAGS_RELEASE)
155 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "/W2" GMXC_CXXFLAGS)
156 GMX_TEST_CXXFLAG(CXXFLAGS_X86 "/Qip" GMXC_CXXFLAGS_RELEASE)
161 if (CMAKE_C_COMPILER_ID MATCHES "PGI")
162 GMX_TEST_CFLAG(CFLAGS_OPT "-fastsse" GMXC_CFLAGS_RELEASE)
164 if (CMAKE_CXX_COMPILER_ID MATCHES "PGI")
165 GMX_TEST_CXXFLAG(CXXFLAGS_OPT "-fastsse" GMXC_CXXFLAGS_RELEASE)
169 if (CMAKE_C_COMPILER_ID MATCHES "PathScale")
171 GMX_TEST_CFLAG(CFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CFLAGS)
173 GMX_TEST_CFLAG(CFLAGS_WARN "-Wall -Wno-unused -Wunused-value" GMXC_CFLAGS)
174 GMX_TEST_CFLAG(CFLAGS_OPT "-OPT:Ofast -fno-math-errno -ffast-math"
176 GMX_TEST_CFLAG(CFLAGS_LANG "-std=gnu99" GMXC_CFLAGS)
178 if (CMAKE_CXX_COMPILER_ID MATCHES "PathScale")
180 GMX_TEST_CXXFLAG(CXXFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CXXFLAGS)
182 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "-Wall -Wno-unused -Wunused-value" GMXC_CXXFLAGS)
183 GMX_TEST_CXXFLAG(CXXFLAGS_OPT "-OPT:Ofast -fno-math-errno -ffast-math"
184 GMXC_CXXFLAGS_RELEASE)
188 if (CMAKE_C_COMPILER_ID MATCHES "XL")
189 GMX_TEST_CFLAG(CFLAGS_OPT "-qarch=auto -qtune=auto" GMXC_CFLAGS)
190 GMX_TEST_CFLAG(CFLAGS_LANG "-qlanglvl=extc99" GMXC_CFLAGS)
192 if (CMAKE_CXX_COMPILER_ID MATCHES "XL")
193 GMX_TEST_CXXFLAG(CXXFLAGS_OPT "-qarch=auto -qtune=auto" GMXC_CXXFLAGS)
198 # disable warnings for:
199 # forcing value to bool
200 # "this" in initializer list
201 # deprecated (posix, secure) functions
202 GMX_TEST_CFLAG(CFLAGS_WARN "/wd4800 /wd4355 /wd4996" GMXC_CFLAGS)
203 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "/wd4800 /wd4355 /wd4996" GMXC_CXXFLAGS)
206 if (CMAKE_C_COMPILER_ID MATCHES "Clang")
208 GMX_TEST_CFLAG(CFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CFLAGS)
210 GMX_TEST_CFLAG(CFLAGS_WARN "-Wall -Wno-unused -Wunused-value -Wunused-parameter" GMXC_CFLAGS)
211 GMX_TEST_CFLAG(CFLAGS_WARN_EXTRA "-Wpointer-arith" GMXC_CFLAGS_EXTRA)
214 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
216 GMX_TEST_CXXFLAG(CXXFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CXXFLAGS)
218 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "-Wall -Wno-unused-function" GMXC_CXXFLAGS)
219 GMX_TEST_CXXFLAG(CXXFLAGS_WARN_EXTRA "-Wextra -Wno-missing-field-initializers -Wpointer-arith" GMXC_CXXFLAGS)
222 # now actually set the flags:
223 if (NOT GMX_SKIP_DEFAULT_CFLAGS)
224 gmx_set_cmake_compiler_flags()
226 ENDMACRO(gmx_c_flags)