2 # This file is part of the GROMACS molecular simulation package.
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7 # Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
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34 # To help us fund GROMACS development, we humbly ask that you cite
35 # the research papers on the package. Check out http://www.gromacs.org.
37 # Test C flags FLAGS, and set VARIABLE to true if the work. Also add the
39 MACRO(GMX_TEST_CFLAG VARIABLE FLAGS CFLAGSVAR)
40 IF(NOT DEFINED ${VARIABLE})
41 CHECK_C_COMPILER_FLAG("${FLAGS}" ${VARIABLE})
44 list(APPEND ${CFLAGSVAR} "${FLAGS}")
46 ENDMACRO(GMX_TEST_CFLAG VARIABLE FLAGS CFLAGSVAR)
48 # Test C++ flags FLAGS, and set VARIABLE to true if the work. Also add the
49 # flags to CXXFLAGSVAR.
50 MACRO(GMX_TEST_CXXFLAG VARIABLE FLAGS CXXFLAGSVAR)
51 IF(NOT DEFINED ${VARIABLE})
52 CHECK_CXX_COMPILER_FLAG("${FLAGS}" ${VARIABLE})
55 list(APPEND ${CXXFLAGSVAR} "${FLAGS}")
57 ENDMACRO(GMX_TEST_CXXFLAG VARIABLE FLAGS CXXFLAGSVAR)
59 # Prepare some local variables so CUDA and non-CUDA code in targets
61 function(gmx_target_compile_options_inner)
62 set (CFLAGS "${SIMD_C_FLAGS};${MPI_COMPILE_FLAGS};${EXTRA_C_FLAGS};${GMXC_CFLAGS}" PARENT_SCOPE)
63 set (CXXFLAGS "${SIMD_CXX_FLAGS};${MPI_COMPILE_FLAGS};${EXTRA_CXX_FLAGS};${GMXC_CXXFLAGS}" PARENT_SCOPE)
66 # Implementation function to add compiler flags expected for all
67 # GROMACS build configurations, and those expected for the current
68 # CMake build type (e.g. Release) to TARGET. Other GROMACS CMake code
69 # is expected to use either gmx_target_compile_options(name_of_target)
70 # or gmx_cuda_target_compile_options(name_of_variable) because CUDA
71 # compilation has special requirements.
73 # Most targets (ie. libraries, executables) need compiler flags that
74 # are characteristic of the build configuration. This function
75 # provides a central point for adding such flags. This approach is
76 # more flexible than e.g. setting CMAKE_CXX_FLAGS globally, because
77 # that setting will apply globally, which means it applies also to
78 # "external" code that the build of GROMACS might also build.
79 function(gmx_target_compile_options TARGET)
80 if (GMX_SKIP_DEFAULT_CFLAGS)
84 # Prepare the generic compiler options
85 gmx_target_compile_options_inner()
86 target_compile_options(${TARGET}
88 $<$<COMPILE_LANGUAGE:C>:${CFLAGS}>
89 $<$<COMPILE_LANGUAGE:CXX>:${CXXFLAGS}>
91 # Add compiler options for the build types
92 foreach(build_type ${build_types_with_explicit_flags})
93 target_compile_options(${TARGET}
95 $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:${build_type}>>:${GMXC_CFLAGS_${build_type}}>
96 $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:${build_type}>>:${GMXC_CXXFLAGS_${build_type}}>
99 # Add the release-configuration compiler options to build
100 # configurations that derive from it.
101 foreach(build_type RELWITHDEBINFO RELWITHASSERT MINSIZEREL PROFILE)
102 target_compile_options(${TARGET}
104 $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:${build_type}>>:${GMXC_CFLAGS_RELEASE}>
105 $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:${build_type}>>:${GMXC_CXXFLAGS_RELEASE}>
108 # Add those flags that we only want in the proper release build
110 target_compile_options(${TARGET}
112 $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>:${GMXC_CFLAGS_RELEASE_ONLY}>
113 $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>:${GMXC_CXXFLAGS_RELEASE_ONLY}>
117 # The approach taken by FindCUDA.cmake is to require that the compiler
118 # flags are known and present in a variable before creating the target
119 # for the library. (Those get embedded in files that are generated at
120 # the point of calling cuda_add_library, which does not create a
121 # target that one could later call target_compile_options upon.) So,
122 # this function instead returns appropriate content in
123 # ${VARIABLE_NAME}, along with other such variables that are
124 # specialized for the various build_types. Hopefully this will improve
125 # when we use native CUDA language support in our CMake.
126 function(gmx_cuda_target_compile_options VARIABLE_NAME)
127 if (GMX_SKIP_DEFAULT_CFLAGS)
130 gmx_target_compile_options_inner()
133 # Only C++ compilation is supported with CUDA code in GROMACS
134 set(${VARIABLE_NAME} ${CXXFLAGS} PARENT_SCOPE)
136 # Now organize the flags for different build
137 # configurations. First, the debug configuration.
138 set(${VARIABLE_NAME}_DEBUG "${GMXC_CXXFLAGS_DEBUG}" PARENT_SCOPE)
139 # Add those flags that we only want in the proper release build
141 set(${VARIABLE_NAME}_RELEASE "${GMXC_CXXFLAGS_RELEASE};${GMXC_CXXFLAGS_RELEASE_ONLY}" PARENT_SCOPE)
142 # Add the release flags to build configurations that derive from it
143 foreach(build_type RELWITHDEBINFO RELWITHASSERT MINSIZEREL PROFILE)
144 set(${VARIABLE_NAME}_${build_type} "${GMXC_CXXFLAGS_RELEASE};${GMXC_CXXFLAGS_${build_type}}" PARENT_SCOPE)
148 # Add the WARNING_FLAG to the compile options for TARGET if the
149 # compiler supports that flag. VARNAME is used to cache the result of
150 # the check whether the compiler supports that flag, as multiple
151 # targets may use the same suppression.
153 # This is generally used to suppress warnings judged not worth fixing
154 # in code external to, or generated by, GROMACS, or code that is
155 # more efficient to work around and later replace, rather than fix.
156 function(gmx_target_warning_suppression TARGET WARNING_FLAG VARNAME)
157 check_cxx_compiler_flag(${WARNING_FLAG} ${VARNAME})
159 target_compile_options(${TARGET} PRIVATE $<$<COMPILE_LANGUAGE:CXX>:${WARNING_FLAG}>)
163 # Add the WARNING_FLAG to the compile flags for SOURCE_FILE if the
164 # compiler supports that flag. VARNAME is used to cache the result of
165 # the check whether the compiler supports that flag, as multiple
166 # targets may use the same suppression.
168 # This is generally used to suppress warnings judged not worth fixing
169 # in code external to, or generated by, GROMACS, or code that is
170 # more efficient to work around and later replace, rather than fix.
171 function(gmx_source_file_warning_suppression SOURCE_FILE WARNING_FLAG VARNAME)
172 check_cxx_compiler_flag(${WARNING_FLAG} ${VARNAME})
174 set_source_files_properties(${SOURCE_FILE} PROPERTIES COMPILE_FLAGS ${WARNING_FLAG})
178 # This is the actual exported function to be called
181 include(CheckCCompilerFlag)
182 include(CheckCXXCompilerFlag)
185 if(CMAKE_COMPILER_IS_GNUCC)
186 #flags are added in reverse order and -Wno* need to appear after -Wall
188 GMX_TEST_CFLAG(CFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CFLAGS)
190 if (GMX_COMPILER_WARNINGS)
191 GMX_TEST_CFLAG(CFLAGS_WARN "-Wall;-Wno-unused;-Wunused-value;-Wunused-parameter" GMXC_CFLAGS)
192 GMX_TEST_CFLAG(CFLAGS_WARN_EXTRA "-Wextra;-Wno-missing-field-initializers;-Wno-sign-compare;-Wpointer-arith" GMXC_CFLAGS)
193 GMX_TEST_CFLAG(CFLAGS_WARN_UNDEF "-Wundef" GMXC_CFLAGS)
194 GMX_TEST_CFLAG(CFLAGS_WARN_REL "-Wno-array-bounds" GMXC_CFLAGS_RELEASE_ONLY)
196 GMX_TEST_CFLAG(CFLAGS_WARN_SUBSCRIPT "-Wno-char-subscripts" GMXC_CFLAGS)
198 GMX_TEST_CFLAG(CFLAGS_STRINGOP_TRUNCATION "-Werror=stringop-truncation" GMXC_CFLAGS)
201 GMX_TEST_CFLAG(CFLAGS_EXCESS_PREC "-fexcess-precision=fast" GMXC_CFLAGS_RELEASE)
202 GMX_TEST_CFLAG(CFLAGS_COPT "-funroll-all-loops"
204 GMX_TEST_CFLAG(CFLAGS_NOINLINE "-fno-inline" GMXC_CFLAGS_DEBUG)
207 if(CMAKE_COMPILER_IS_GNUCXX)
209 GMX_TEST_CXXFLAG(CXXFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CXXFLAGS)
211 if (GMX_COMPILER_WARNINGS)
212 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "-Wall" GMXC_CXXFLAGS)
213 # Problematic with CUDA
214 # GMX_TEST_CXXFLAG(CXXFLAGS_WARN_EFFCXX "-Wnon-virtual-dtor" GMXC_CXXFLAGS)
215 GMX_TEST_CXXFLAG(CXXFLAGS_WARN_EXTRA "-Wextra;-Wno-missing-field-initializers;-Wpointer-arith;-Wmissing-declarations" GMXC_CXXFLAGS)
216 # CUDA versions prior to 7.5 come with a header (math_functions.h) which uses the _MSC_VER macro
217 # unconditionally, so we don't use -Wundef for earlier CUDA versions.
218 if(NOT(GMX_GPU AND CUDA_VERSION VERSION_LESS "7.5"))
219 GMX_TEST_CXXFLAG(CXXFLAGS_WARN_UNDEF "-Wundef" GMXC_CXXFLAGS)
221 GMX_TEST_CFLAG(CXXFLAGS_WARN_REL "-Wno-array-bounds" GMXC_CXXFLAGS_RELEASE_ONLY)
222 GMX_TEST_CXXFLAG(CXXFLAGS_STRINGOP_TRUNCATION "-Wstringop-truncation" GMXC_CXXFLAGS)
223 if (CXXFLAGS_STRINGOP_TRUNCATION)
224 set(CXXFLAGS_NO_STRINGOP_TRUNCATION "-Wno-stringop-truncation")
228 GMX_TEST_CXXFLAG(CXXFLAGS_EXCESS_PREC "-fexcess-precision=fast" GMXC_CXXFLAGS_RELEASE)
229 GMX_TEST_CXXFLAG(CXXFLAGS_COPT "-funroll-all-loops"
230 GMXC_CXXFLAGS_RELEASE)
231 GMX_TEST_CXXFLAG(CXXFLAGS_NOINLINE "-fno-inline" GMXC_CXXFLAGS_DEBUG)
235 if (CMAKE_C_COMPILER_ID MATCHES "Intel")
238 # 3180: unrecognized OpenMP #pragma
239 GMX_TEST_CFLAG(CFLAGS_PRAGMA "-wd3180" GMXC_CFLAGS)
241 if (GMX_COMPILER_WARNINGS)
242 # -w3 enables a lot of useful diagnostics but we don't care about all. -wd disables some selectively.
243 # 177: function/variable ".." was declared but never referenced
244 # 280: selector expression is constant
245 # 411: class defines no constructor to initialize the following (incorrect for struct, initializer list works)
246 # 593: variable ".." was set but never used
247 # 981: operands are evaluated in unspecified order
248 #1418: external function definition with no prior declaration
249 #1419: external declaration in primary source file
250 #1572: floating-point equality and inequality comparisons are unreliable
251 #1599: declaration hides variable ".."
252 #2259: non-pointer conversion from ".." to ".." may lose significant bits
253 #2415: variable ".." of static storage duration was declared but never referenced
254 #2547: ".." was specified as both a system and non-system include directory
255 #2557: comparison between signed and unsigned operands
256 #3280: declaration hides member ".."
257 #11074: Inlining inhibited by limit max-size(/max-total-size)
258 #11076: To get full report use -opt-report=3 -opt-report-phase ipo (shown for previous remark)
259 GMX_TEST_CFLAG(CFLAGS_WARN "-w3;-wd177;-wd280;-wd411;-wd593;-wd981;-wd1418;-wd1419;-wd1572;-wd1599;-wd2259;-wd2415;-wd2547;-wd2557;-wd3280;-wd11074;-wd11076" GMXC_CFLAGS)
261 GMX_TEST_CFLAG(CFLAGS_STDGNU "-std=gnu99" GMXC_CFLAGS)
262 GMX_TEST_CFLAG(CFLAGS_OPT "-ip;-funroll-all-loops;-alias-const;-ansi-alias;-no-prec-div;-fimf-domain-exclusion=14;-qoverride-limits" GMXC_CFLAGS_RELEASE)
263 GMX_TEST_CFLAG(CFLAGS_DEBUG "-O0" GMXC_CFLAGS_DEBUG) #icc defaults to -O2 even with -g
264 # The "except" fp-model requires something other than the
265 # default "fast" model, so we test and use it with
267 GMX_TEST_CFLAG(CFLAGS_FP_MODEL_RELASSERT "-fp-model=except;-fp-model=precise" GMXC_CFLAGS_RELWITHASSERT)
270 GMX_TEST_CFLAG(CFLAGS_PRAGMA "/wd3180" GMXC_CFLAGS)
272 if (GMX_COMPILER_WARNINGS)
274 #161: unrecognized pragma
275 #1786 function was declared deprecated (is issued for stdlib function such as strncpy which have a _s version)
276 GMX_TEST_CFLAG(CFLAGS_WARN "/W3;/wd161;/wd177;/wd411;/wd593;/wd981;/wd1418;/wd1419;/wd1572;/wd1599;/wd1786;/wd2259;/wd2415;/wd2547;/wd2557;/wd3280" GMXC_CFLAGS)
278 GMX_TEST_CFLAG(CFLAGS_OPT "/Qip" GMXC_CFLAGS_RELEASE)
282 if (CMAKE_CXX_COMPILER_ID MATCHES "Intel")
285 GMX_TEST_CXXFLAG(CXXFLAGS_PRAGMA "-wd3180" GMXC_CXXFLAGS)
287 if (GMX_COMPILER_WARNINGS)
288 #All but the following warnings are identical for the C-compiler (see above)
289 # 304: access control not specified
290 # 383: value copied to temporary, reference to temporary used
291 # 444: destructor for base class ".." is not virtual
292 # 869: was never referenced (false positives)
293 #2282: unrecognized GCC pragma
294 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "-w3;-wd177;-wd280;-wd304;-wd383;-wd411;-wd444;-wd869;-wd981;-wd1418;-wd1572;-wd1599;-wd2259;-wd2547;-wd3280;-wd11074;-wd11076;-wd2282" GMXC_CXXFLAGS)
296 GMX_TEST_CXXFLAG(CXXFLAGS_OPT "-ip;-funroll-all-loops;-alias-const;-ansi-alias;-no-prec-div;-fimf-domain-exclusion=14;-qoverride-limits" GMXC_CXXFLAGS_RELEASE)
297 GMX_TEST_CXXFLAG(CXXFLAGS_DEBUG "-O0" GMXC_CXXFLAGS_DEBUG)
298 # The "except" fp-model requires something other than the
299 # default "fast" model, so we test and use it with
301 GMX_TEST_CXXFLAG(CXXFLAGS_FP_MODEL_RELASSERT "-fp-model=except;-fp-model=precise" GMXC_CXXFLAGS_RELWITHASSERT)
304 GMX_TEST_CXXFLAG(CXXFLAGS_PRAGMA "/wd3180" GMXC_CFLAGS)
306 if (GMX_COMPILER_WARNINGS)
307 #161: unrecognized pragma
308 #809: exception specification for virtual function X is incompatible with that of overridden function
309 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "/W3;/wd161;/wd177;/wd280;/wd304;/wd383;/wd411;/wd444;/wd809;/wd869;/wd981;/wd1418;/wd1572;/wd1599;/wd1786;/wd2259;/wd2547;/wd3280;/wd11074;/wd11076;/wd2282" GMXC_CXXFLAGS)
311 GMX_TEST_CXXFLAG(CXXFLAGS_OPT "/Qip" GMXC_CXXFLAGS_RELEASE)
316 # Inter-procedural analysis causes pgcc/pgc++ to crash when linking the library with PGI release 15.7.
317 if (CMAKE_C_COMPILER_ID MATCHES "PGI")
318 GMX_TEST_CFLAG(CFLAGS_OPT "-Mnoipa" GMXC_CFLAGS_RELEASE)
320 if (CMAKE_CXX_COMPILER_ID MATCHES "PGI")
321 # Using ipa exposes internal PGI-15.7 compiler bugs at compile time
322 GMX_TEST_CXXFLAG(CXXFLAGS_OPT "-Mnoipa" GMXC_CXXFLAGS_RELEASE)
323 # PGI identifies itself as GCC, but does not understand the GCC
324 # pragmas that occur in parser.cpp. Since that file is generated
325 # we cannot add a define there, but supress the warning instead.
326 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "--diag_suppress=1675" GMXC_CXXFLAGS)
330 if (CMAKE_C_COMPILER_ID MATCHES "PathScale")
332 GMX_TEST_CFLAG(CFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CFLAGS)
334 if (GMX_COMPILER_WARNINGS)
335 GMX_TEST_CFLAG(CFLAGS_WARN "-Wall;-Wno-unused;-Wunused-value" GMXC_CFLAGS)
337 GMX_TEST_CFLAG(CFLAGS_OPT "-OPT:Ofast;-fno-math-errno;-ffast-math"
339 GMX_TEST_CFLAG(CFLAGS_LANG "-std=gnu99" GMXC_CFLAGS)
341 if (CMAKE_CXX_COMPILER_ID MATCHES "PathScale")
343 GMX_TEST_CXXFLAG(CXXFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CXXFLAGS)
345 if (GMX_COMPILER_WARNINGS)
346 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "-Wall;-Wno-unused;-Wunused-value" GMXC_CXXFLAGS)
348 GMX_TEST_CXXFLAG(CXXFLAGS_OPT "-OPT:Ofast;-fno-math-errno;-ffast-math"
349 GMXC_CXXFLAGS_RELEASE)
353 # The suppressions below stop
354 # 1500-036: (I) about -O3 causing non-strict IEEE compliance that changes the semantics of the program (duh)
355 # 1500-010: (W) about correct PBC-related use of maximum array indices of DIM-sized C arrays
356 # 1500-030: (I) Additional optimization may be attained by recompiling and specifying MAXMEM option with a value greater than 8192.
357 if (CMAKE_C_COMPILER_ID MATCHES "XL")
358 GMX_TEST_CFLAG(CFLAGS_ARCH "-qarch=auto;-qtune=auto" GMXC_CFLAGS)
359 GMX_TEST_CFLAG(CFLAGS_OPT "-O3" GMXC_CFLAGS_RELEASE)
360 GMX_TEST_CFLAG(CFLAGS_LANG "-qlanglvl=extc99" GMXC_CFLAGS)
361 GMX_TEST_CFLAG(CFLAGS_LANG "-qsuppress=1500-036;-qsuppress=1500-010;-qsuppress=1500-030" GMXC_CFLAGS)
363 if (CMAKE_CXX_COMPILER_ID MATCHES "XL")
364 GMX_TEST_CXXFLAG(CXXFLAGS_ARCH "-qarch=auto;-qtune=auto" GMXC_CXXFLAGS)
365 GMX_TEST_CXXFLAG(CXXFLAGS_OPT "-O3" GMXC_CXXFLAGS_RELEASE)
366 GMX_TEST_CXXFLAG(CXXFLAGS_LANG "-qsuppress=1500-036;-qsuppress=1500-010;-qsuppress=1500-030" GMXC_CXXFLAGS)
371 # disable warnings for:
372 # forcing value to bool
373 # "this" in initializer list
374 # deprecated (posix, secure) functions
375 # C4305: truncation (double -> float)
376 # C4244: conversion from '.*' to '.*', possible loss of data
377 # unreferenced local variable (only C)
378 # C4267: conversion from 'size_t' to 'int', possible loss of data
379 # conversion from 'const char*' to 'void*', different 'const' qualifiers (only C)
380 # unknown pragma (4068)
381 # remark #280: selector expression is constant
382 if(NOT CMAKE_CONFIGURATION_TYPES)
383 GMX_TEST_CFLAG(CFLAGS_WARN "/wd4800;/wd4355;/wd4996;/wd4305;/wd4244;/wd4101;/wd4267;/wd4090;/wd4068;" GMXC_CFLAGS)
384 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "/wd4800;/wd4355;/wd4996;/wd4305;/wd4244;/wd4267;/wd4068;" GMXC_CXXFLAGS)
385 else() # MSVC projects only use the C++ flags
386 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "/wd4800;/wd4355;/wd4996;/wd4305;/wd4244;/wd4101;/wd4267;/wd4090;/wd4068;" GMXC_CXXFLAGS)
390 if (CMAKE_C_COMPILER_ID MATCHES "Clang")
392 GMX_TEST_CFLAG(CFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CFLAGS)
394 if (GMX_COMPILER_WARNINGS)
395 GMX_TEST_CFLAG(CFLAGS_WARN "-Wall;-Wno-unused;-Wunused-value;-Wunused-parameter" GMXC_CFLAGS)
396 GMX_TEST_CFLAG(CFLAGS_WARN_EXTRA "-Wpointer-arith" GMXC_CFLAGS_EXTRA)
400 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
401 if (GMX_COMPILER_WARNINGS)
402 # If used, -Wall should precede other options that silence warnings it enables
403 GMX_TEST_CXXFLAG(CXXFLAGS_WARN "-Wall" GMXC_CXXFLAGS)
404 if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0") #LLVM BUG #21629
405 GMX_TEST_CXXFLAG(CXXFLAGS_WARN_NO_BRACES "-Wno-missing-braces" GMXC_CXXFLAGS)
407 GMX_TEST_CXXFLAG(CXXFLAGS_WARN_EXTRA "-Wextra;-Wno-missing-field-initializers;-Wpointer-arith;-Wmissing-prototypes" GMXC_CXXFLAGS)
408 GMX_TEST_CXXFLAG(CXXFLAGS_DEPRECATED "-Wdeprecated" GMXC_CXXFLAGS)
409 # Functions placed in headers for inlining are not always
410 # used in every translation unit that includes the files,
411 # so we must disable the warning that there are such
412 # functions that are unused.
413 GMX_TEST_CXXFLAG(CXXFLAGS_NO_UNUSED_FUNCTION "-Wno-unused-function" GMXC_CXXFLAGS)
416 GMX_TEST_CXXFLAG(CXXFLAGS_PRAGMA "-Wno-unknown-pragmas" GMXC_CXXFLAGS)
420 # Apple bastardized version of Clang
421 if(${CMAKE_C_COMPILER_ID} MATCHES "AppleClang")
422 if(${CMAKE_C_COMPILER_VERSION} VERSION_GREATER 11.0)
423 # Mac OS Catalina ships with a horribly broken compiler (version 11.0.0.11000033)
424 # that checks stack alignment by default, but their own C library
425 # does not align the stack properly. Embarrassing, Apple...
426 GMX_TEST_CFLAG(CFLAG_NO_STACK_CHECK "-fno-stack-check" GMXC_CFLAGS)
430 if(${CMAKE_CXX_COMPILER_ID} MATCHES "AppleClang")
431 if(${CMAKE_CXX_COMPILER_VERSION} VERSION_GREATER 11.0)
432 # Mac OS Catalina ships with a horribly broken compiler (version 11.0.0.11000033)
433 # that checks stack alignment by default, but their own C library
434 # does not align the stack properly. Embarrassing, Apple...
435 GMX_TEST_CXXFLAG(CXXFLAG_NO_STACK_CHECK "-fno-stack-check" GMXC_CXXFLAGS)
439 # Apple bastardized version of Clang
440 if(${CMAKE_C_COMPILER_ID} MATCHES "AppleClang")
441 if(${CMAKE_C_COMPILER_VERSION} VERSION_GREATER 11.0)
442 # Mac OS Catalina ships with a horribly broken compiler (version 11.0.0.11000033)
443 # that checks stack alignment by default, but their own C library
444 # does not align the stack properly. Embarrassing, Apple...
445 GMX_TEST_CFLAG(CFLAG_NO_STACK_CHECK "-fno-stack-check" GMXC_CFLAGS)
449 if(${CMAKE_CXX_COMPILER_ID} MATCHES "AppleClang")
450 if(${CMAKE_CXX_COMPILER_VERSION} VERSION_GREATER 11.0)
451 # Mac OS Catalina ships with a horribly broken compiler (version 11.0.0.11000033)
452 # that checks stack alignment by default, but their own C library
453 # does not align the stack properly. Embarrassing, Apple...
454 GMX_TEST_CXXFLAG(CXXFLAG_NO_STACK_CHECK "-fno-stack-check" GMXC_CXXFLAGS)
458 # Fujitsu compilers on PrimeHPC/Sparc64
459 if(${CMAKE_C_COMPILER_ID} MATCHES Fujitsu OR
460 (${CMAKE_C_COMPILER_ID} MATCHES unknown AND ${CMAKE_C_COMPILER} MATCHES ^fcc))
461 GMX_TEST_CFLAG(CFLAG_GNUCOMPAT "-Xg;-w" GMXC_CFLAGS)
462 GMX_TEST_CFLAG(CFLAG_OPT "-Kfast,reduction,swp,simd=2,uxsimd,fsimple;-x100" GMXC_CFLAGS)
465 if(${CMAKE_CXX_COMPILER_ID} MATCHES Fujitsu OR
466 (${CMAKE_CXX_COMPILER_ID} MATCHES unknown AND ${CMAKE_CXX_COMPILER} MATCHES ^FCC))
467 GMX_TEST_CXXFLAG(CXXFLAG_GNUCOMPAT "-Xg;-w" GMXC_CXXFLAGS)
468 GMX_TEST_CXXFLAG(CXXFLAG_OPT "-Kfast,reduction,swp,simd=2,uxsimd,fsimple;-x100" GMXC_CXXFLAGS)