2 # This file is part of the GROMACS molecular simulation package.
4 # Copyright (c) 2009,2010,2011,2012,2013,2014,2015,2016,2017,2018, 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
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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 cmake_minimum_required(VERSION 3.4.3)
37 # CMake modules/macros are in a subdirectory to keep this file cleaner
38 # This needs to be set before project() in order to pick up toolchain files
39 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Platform)
43 include(gmxManageCcache)
45 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
46 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
47 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
49 # Set up common version variables, as well as general information about
50 # the build tree (whether the build is from a source package or from a git
51 # repository). Also declares a few functions that will be used for generating
52 # version info files later.
53 include(gmxBuildTreeInfo)
54 include(gmxVersionInfo)
56 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND UNIX)
57 set(CMAKE_INSTALL_PREFIX "/usr/local/gromacs" CACHE STRING "Installation prefix (installation will need write permissions here)" FORCE)
59 if("${CMAKE_INSTALL_PREFIX}" STREQUAL "${CMAKE_BINARY_DIR}")
60 message(FATAL_ERROR "GROMACS cannot be installed into the build tree, choose a different location for CMAKE_INSTALL_PREFIX")
63 include(gmxBuildTypeReference)
64 include(gmxBuildTypeProfile)
65 include(gmxBuildTypeTSAN)
66 include(gmxBuildTypeASAN)
67 include(gmxBuildTypeMSAN)
68 include(gmxBuildTypeReleaseWithAssert)
70 if(NOT CMAKE_BUILD_TYPE)
71 set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel Reference RelWithAssert Profile TSAN ASAN MSAN." FORCE)
72 # Set the possible values of build type for cmake-gui
73 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
74 "MinSizeRel" "RelWithDebInfo" "Reference" "RelWithAssert" "Profile" "TSAN" "ASAN" "MSAN")
76 if(CMAKE_CONFIGURATION_TYPES)
77 # Add appropriate GROMACS-specific build types for the Visual
78 # Studio generator (Debug, Release, MinSizeRel and RelWithDebInfo
79 # are already present by default).
80 list(APPEND CMAKE_CONFIGURATION_TYPES "RelWithAssert" "Reference")
81 list(REMOVE_DUPLICATES CMAKE_CONFIGURATION_TYPES)
82 set(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING
83 "List of configuration types"
86 set(build_types_with_explicit_flags RELEASE DEBUG RELWITHDEBINFO RELWITHASSERT MINSIZEREL PROFILE)
88 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS ON)
90 include(gmxCTestUtilities)
93 include(gmxCPackUtilities)
96 # Variables that accumulate stuff influencing the installed headers
97 set(INSTALLED_HEADER_INCLUDE_DIRS "")
98 set(INSTALLED_HEADER_DEFINITIONS "")
100 ########################################################################
101 # Global non-cache variables for implementing the build system
102 ########################################################################
104 # These variables collect libraries that GROMACS requires for
105 # linking. They should be appended to with list(APPEND ${name}
106 # new-library) calls. They are:
107 # - Libraries that are required for libgromacs (only)
108 set(GMX_EXTRA_LIBRARIES "")
109 # - Libraries that are required for all code in the repository
110 set(GMX_COMMON_LIBRARIES "")
111 # - Libraries that all code linked against libgromacs needs
112 # (i.e., something that is exposed in installed headers).
113 set(GMX_PUBLIC_LIBRARIES "")
115 ########################################################################
116 # Check and warn if cache generated on a different host is being reused
117 ########################################################################
119 execute_process(COMMAND hostname
120 OUTPUT_VARIABLE TMP_HOSTNAME
121 OUTPUT_STRIP_TRAILING_WHITESPACE)
122 if(GMX_BUILD_HOSTNAME AND NOT "${GMX_BUILD_HOSTNAME}" STREQUAL "${TMP_HOSTNAME}")
124 The CMake cache, probably generated on a different host (${GMX_BUILD_HOSTNAME}),
125 is being reused! This could lead to inconsistencies; therefore, it is
126 recommended to regenerate the cache!")
128 set(GMX_BUILD_HOSTNAME "${TMP_HOSTNAME}" CACHE INTERNAL
129 "Hostname of the machine where the cache was generated.")
132 ########################################################################
133 # Detect architecture before setting options so we can alter defaults
134 ########################################################################
135 # Detect the architecture the compiler is targetting, detect
136 # SIMD instructions possibilities on that hardware, suggest SIMD instruction set
137 # to use if none is specified, and populate the cache option for CPU
139 include(gmxDetectTargetArchitecture)
140 gmx_detect_target_architecture()
142 # Permit the user to specify a particular standard library, e.g. compiling
143 # with "-stdlib=libc++" and linking with "-lc++abi -lc++" to get clang's libcxx.
144 set(GMX_STDLIB_CXX_FLAGS "" CACHE STRING "Compiler flag for a C++ standard library flavour")
145 set(GMX_STDLIB_LIBRARIES "" CACHE STRING "Linker libraries for a particular C++ standard library")
146 mark_as_advanced(GMX_STDLIB_CXX_FLAGS)
147 mark_as_advanced(GMX_STDLIB_LIBRARIES)
149 ########################################################################
150 # Detect CXX11 support and flags
151 ########################################################################
152 # The cmake/Check{C,CXX}CompilerFlag.cmake files in the GROMACS distribution
153 # are used with permission from CMake v3.0.0 so that GROMACS can detect
154 # invalid options with the Intel Compilers, and we have added a line
155 # to detect warnings with the Fujitsu compilers on K computer and ICC.
156 # CMake-3.0 also has a bug where the FAIL_REGEX pattern for AIX contains
157 # a semicolon. Since this is also used as a separator in lists inside CMake,
158 # that string ends up being split into two separate patterns, and the last
159 # part is just a single word that also matches other messages. We solved this
160 # by replacing the semicolon with a period that matches any character.
162 # These files should be removed from the source tree when a CMake version that
163 # includes the features in question becomes required for building GROMACS.
164 include(CheckCCompilerFlag)
165 include(CheckCXXCompilerFlag)
167 # This must come early, since some of our configuration flag tests
168 # depend on being able to compile C++11 source files.
169 include(gmxTestCXX11)
170 gmx_test_cxx11(GMX_CXX11_FLAGS GMX_STDLIB_CXX_FLAGS GMX_STDLIB_LIBRARIES)
172 # Make sure all C++ code will be compiled in C++11 mode, with the
173 # expected standard library.
174 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GMX_CXX11_FLAGS} ${GMX_STDLIB_CXX_FLAGS}")
176 ########################################################################
177 # User input options #
178 ########################################################################
179 include(gmxOptionUtilities)
181 set(CMAKE_PREFIX_PATH "" CACHE STRING "Extra locations to search for external libraries and tools (give directory without lib, bin, or include)")
183 # Fujitsu only has SIMD in double precision, so this will be faster
184 gmx_set_boolean(GMX_DOUBLE_DEFAULT GMX_TARGET_FUJITSU_SPARC64)
185 option(GMX_DOUBLE "Use double precision (much slower, use only if you really need it)" ${GMX_DOUBLE_DEFAULT})
186 option(GMX_RELAXED_DOUBLE_PRECISION "Accept single precision 1/sqrt(x) when using Fujitsu HPC-ACE SIMD" OFF)
187 mark_as_advanced(GMX_RELAXED_DOUBLE_PRECISION)
189 option(GMX_MPI "Build a parallel (message-passing) version of GROMACS" OFF)
190 option(GMX_THREAD_MPI "Build a thread-MPI-based multithreaded version of GROMACS (not compatible with MPI)" ON)
191 gmx_dependent_option(
193 "Enable MPI_IN_PLACE for MPIs that have it defined"
196 mark_as_advanced(GMX_MPI_IN_PLACE)
198 option(GMX_MIMIC "Enable MiMiC QM/MM interface (CPMD is required)" OFF)
200 option(GMX_FAHCORE "Build a library with mdrun functionality" OFF)
201 mark_as_advanced(GMX_FAHCORE)
203 option(GMX_COOL_QUOTES "Enable GROMACS cool quotes" ON)
204 mark_as_advanced(GMX_COOL_QUOTES)
205 gmx_add_cache_dependency(GMX_COOL_QUOTES BOOL "NOT GMX_FAHCORE" OFF)
207 option(GMX_USE_OPENCL "Enable OpenCL acceleration" OFF)
209 # Decide on GPU settings based on user-settings and GPU/CUDA
210 # detection. VS2017 requires CUDA 9.0, for the other arch/compilers
211 # rest we require CUDA 7.0 or later (including for clang-CUDA).
213 set(REQUIRED_CUDA_VERSION 9.0)
215 set(REQUIRED_CUDA_VERSION 7.0)
217 set(REQUIRED_CUDA_COMPUTE_CAPABILITY 3.0)
219 # OpenCL required version: 1.2 or newer
220 set(REQUIRED_OPENCL_MIN_VERSION 1.2)
222 if(NOT GMX_USE_OPENCL)
223 # CUDA detection is done only if GMX_USE_OPENCL is OFF.
224 include(gmxManageGPU)
225 set(GMX_USE_CUDA ${GMX_GPU})
227 set(GMX_GPU_ACCELERATION_FRAMEWORK "GMX_GPU_CUDA")
229 set(GMX_GPU_ACCELERATION_FRAMEWORK "GMX_GPU_NONE")
232 #Now the OpenCL path (for both AMD and NVIDIA)
234 include(gmxManageOpenCL)
235 set(GMX_GPU_ACCELERATION_FRAMEWORK "GMX_GPU_OPENCL")
237 message(FATAL_ERROR "OpenCL requested but GPU option is not enabled (try -DGMX_GPU=on) ")
241 gmx_option_multichoice(
243 "SIMD instruction set for CPU kernels and compiler optimization"
245 AUTO None SSE2 SSE4.1 AVX_128_FMA AVX_256 AVX2_256 AVX2_128 AVX_512 AVX_512_KNL MIC ARM_NEON ARM_NEON_ASIMD IBM_VMX IBM_VSX Sparc64_HPC_ACE Reference)
248 set(GMX_FFT_LIBRARY_DEFAULT "mkl")
250 set(GMX_FFT_LIBRARY_DEFAULT "fftw3")
253 gmx_option_multichoice(
256 "${GMX_FFT_LIBRARY_DEFAULT}"
257 fftw3 mkl "fftpack[built-in]")
258 gmx_dependent_option(
260 "Download and build FFTW 3 during the GROMACS build process, rather than fall back on the really slow fftpack."
262 "GMX_FFT_LIBRARY STREQUAL FFTW3")
263 gmx_dependent_option(
264 GMX_DISABLE_FFTW_MEASURE
265 "Do not optimize FFTW setups (not needed with SSE)"
267 "GMX_FFT_LIBRARY STREQUAL FFTW3")
268 mark_as_advanced(GMX_BUILD_OWN_FFTW)
269 mark_as_advanced(GMX_DISABLE_FFTW_MEASURE)
271 gmx_option_multichoice(
273 "QM package for QM/MM"
275 none gaussian mopac gamess orca)
277 gmx_dependent_cache_variable(GMX_SIMD_REF_FLOAT_WIDTH "Reference SIMD single precision width" STRING "4" "GMX_SIMD STREQUAL REFERENCE")
278 gmx_dependent_cache_variable(GMX_SIMD_REF_DOUBLE_WIDTH "Reference SIMD double precision width" STRING "2" "GMX_SIMD STREQUAL REFERENCE")
280 # This should be moved to a separate NBNXN cmake module when that code is cleaned up and modularized
282 option(GMX_BROKEN_CALLOC "Work around broken calloc()" OFF)
283 mark_as_advanced(GMX_BROKEN_CALLOC)
285 option(GMX_OPENMP "Enable OpenMP-based multithreading" ON)
287 option(GMX_USE_TNG "Use the TNG library for trajectory I/O" ON)
289 option(GMX_BUILD_MDRUN_ONLY "Build and install only the mdrun binary" OFF)
291 option(GMX_CYCLE_SUBCOUNTERS "Enable cycle subcounters to get a more detailed cycle timings" OFF)
292 mark_as_advanced(GMX_CYCLE_SUBCOUNTERS)
294 option(GMX_SKIP_DEFAULT_CFLAGS "Don't automatically add suggested/required Compiler flags." OFF)
295 mark_as_advanced(GMX_SKIP_DEFAULT_CFLAGS)
297 option(GMX_BUILD_FOR_COVERAGE
298 "Tune build for better code coverage metrics (e.g., disable asserts)"
300 mark_as_advanced(GMX_BUILD_FOR_COVERAGE)
302 option(GMX_DEVELOPER_BUILD
303 "Enable Developer convenience features: always build unit-tests"
305 mark_as_advanced(GMX_DEVELOPER_BUILD)
307 gmx_set_boolean(GMX_COMPILER_WARNINGS_DEFAULT "NOT SOURCE_IS_SOURCE_DISTRIBUTION")
308 option(GMX_COMPILER_WARNINGS
309 "Enable a default set of compiler warnings"
310 ${GMX_COMPILER_WARNINGS_DEFAULT})
311 mark_as_advanced(GMX_COMPILER_WARNINGS)
312 # Always turn on compiler warnings with a developer build.
313 gmx_add_cache_dependency(GMX_COMPILER_WARNINGS BOOL "NOT GMX_DEVELOPER_BUILD" ON)
315 option(GMX_BUILD_SHARED_EXE
316 "Build exectuables as shared binaries. If not set, this disables rpath and dynamic linker flags in an attempt to build a static binary, but this may require setting up the toolchain properly and making appropriate libraries available."
318 mark_as_advanced(GMX_BUILD_SHARED_EXE)
320 option(GMX_PHYSICAL_VALIDATION
321 "Include physical validation tests in ctest environment. These can then be called using 'make check-phys' or
322 'make check-all'. Warning: Running the physical validation tests takes significantly more time than other tests!"
324 mark_as_advanced(GMX_PHYSICAL_VALIDATION)
326 ######################################################################
327 # Detect OpenMP support
328 ######################################################################
329 # The OpenMP detection _must_ come before tests for other CFLAGS.
330 include(gmxManageOpenMP)
334 ######################################################################
336 # These need to be done early (before further tests).
337 #####################################################################
342 # This variable should be used for additional compiler flags which are not
343 # generated in gmxCFlags nor are SIMD or MPI related.
345 # TODO These variables should be consolidated into
346 # EXTRA_COMPILER_FLAGS so that we we don't perpetrate bugs where
347 # things that work in C compilation (e.g. merging from old branches)
348 # also work for C++ compilation.
349 set(EXTRA_C_FLAGS "")
350 set(EXTRA_CXX_FLAGS "")
352 # Run through a number of tests for buggy compilers and other issues
353 include(gmxTestCompilerProblems)
354 gmx_test_compiler_problems()
356 # Implement double-precision option. This is complicated because we
357 # need installed headers to use the precision mode of the build that
358 # produced the library, but cannot use config.h in that case. We also
359 # want such variables to always have a definition, because #if is more
360 # robust than #ifdef. So, we put this value on the compiler command
363 # GMX_RELAXED_DOUBLE_PRECISION does not need to be handled here,
364 # because no installed header needs it
366 set(GMX_DOUBLE_VALUE 1)
368 set(GMX_DOUBLE_VALUE 0)
370 add_definitions(-DGMX_DOUBLE=${GMX_DOUBLE_VALUE})
371 list(APPEND INSTALLED_HEADER_DEFINITIONS "-DGMX_DOUBLE=${GMX_DOUBLE_VALUE}")
374 list(APPEND GMX_EXTRA_LIBRARIES "wsock32")
375 add_definitions(-DGMX_HAVE_WINSOCK)
380 ########################################################################
381 # Basic system tests (standard libraries, headers, functions, types) #
382 ########################################################################
383 include(CheckIncludeFiles)
384 include(CheckIncludeFileCXX)
385 check_include_files(unistd.h HAVE_UNISTD_H)
386 check_include_files(pwd.h HAVE_PWD_H)
387 check_include_files(dirent.h HAVE_DIRENT_H)
388 check_include_files(time.h HAVE_TIME_H)
389 check_include_files(sys/time.h HAVE_SYS_TIME_H)
390 check_include_files(io.h HAVE_IO_H)
391 check_include_files(sched.h HAVE_SCHED_H)
393 check_include_files(regex.h HAVE_POSIX_REGEX)
394 # TODO: It could be nice to inform the user if no regex support is found,
395 # as selections won't be fully functional.
397 include(CheckCXXSymbolExists)
398 check_cxx_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
399 check_cxx_symbol_exists(sysconf unistd.h HAVE_SYSCONF)
400 check_cxx_symbol_exists(nice unistd.h HAVE_NICE)
401 check_cxx_symbol_exists(fsync unistd.h HAVE_FSYNC)
402 check_cxx_symbol_exists(_fileno stdio.h HAVE__FILENO)
403 check_cxx_symbol_exists(fileno stdio.h HAVE_FILENO)
404 check_cxx_symbol_exists(_commit io.h HAVE__COMMIT)
405 check_cxx_symbol_exists(sigaction signal.h HAVE_SIGACTION)
407 # We cannot check for the __builtins as symbols, but check if code compiles
408 check_cxx_source_compiles("int main(){ return __builtin_clz(1);}" HAVE_BUILTIN_CLZ)
409 check_cxx_source_compiles("int main(){ return __builtin_clzll(1);}" HAVE_BUILTIN_CLZLL)
411 check_cxx_source_compiles("#include <intrin.h>\n int main(){unsigned long r;unsigned long i=1;_BitScanReverse(&r,i);return r;}" HAVE_BITSCANREVERSE)
412 check_cxx_source_compiles("#include <intrin.h>\n int main(){unsigned long r;unsigned __int64 i=1;_BitScanReverse(&r,i);return r;}" HAVE_BITSCANREVERSE64)
413 elseif(CMAKE_CXX_COMPILER_ID MATCHES "XL")
414 check_cxx_source_compiles("int main(){ return __cntlz4(1);}" HAVE_CNTLZ4)
415 check_cxx_source_compiles("int main(){ return __cntlz8(1);}" HAVE_CNTLZ8)
418 include(CheckLibraryExists)
419 find_library(HAVE_LIBM m)
420 mark_as_advanced(HAVE_LIBM)
421 check_library_exists(rt clock_gettime "" HAVE_CLOCK_GETTIME)
422 check_library_exists(m feenableexcept "" HAVE_FEENABLEEXCEPT)
423 check_library_exists(m fedisableexcept "" HAVE_FEDISABLEEXCEPT)
425 include(TestSchedAffinity)
426 test_sched_affinity(HAVE_SCHED_AFFINITY)
428 # Aligned memory allocation. We need to check for both mm_malloc(),
429 # posix_memalign(), memalign(), and on windows also _aligned_malloc()
430 include(gmxTestMMMalloc)
431 gmx_test_mm_malloc(HAVE__MM_MALLOC)
432 check_cxx_symbol_exists(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)
433 check_cxx_symbol_exists(memalign stdlib.h HAVE_MEMALIGN)
435 # No need to waste time on this test on platforms where it will never be true
436 check_cxx_symbol_exists(_aligned_malloc stdlib.h HAVE__ALIGNED_MALLOC)
439 include(TestBigEndian)
440 test_big_endian(GMX_INTEGER_BIG_ENDIAN)
442 gmx_set_boolean(GMX_USE_NICE "HAVE_UNISTD_H AND HAVE_NICE")
444 # Management of GROMACS options for specific toolchains should go
445 # here. Because the initial settings for some of the main options have
446 # already happened, but things like library detection and MPI compiler
447 # feature detection have not, the docstrings for any over-rides of
448 # GROMACS defaults or user settings will make sense. Also, any
449 # toolchain-related reasons for choosing whether to detect various
450 # things can be sorted out now, before the detection takes place.
451 if(GMX_TARGET_FUJITSU_SPARC64)
452 include(gmxManageFujitsuSparc64)
455 ########################################################################
456 #Process MPI settings
457 ########################################################################
458 include(gmxManageMPI)
460 ########################################################################
461 #Process MiMiC settings
462 ########################################################################
463 include(gmxManageMimic)
465 ########################################################################
466 #Process shared/static library settings
467 ########################################################################
468 include(gmxManageSharedLibraries)
471 ########################################################################
472 # Find external packages #
473 ########################################################################
475 # Unconditionally find the package, as it is also required for unit
476 # tests. This exports LIBXML2_FOUND, which we should not use because
477 # it does not tell us that linking will succeed. Instead, we test that
479 #if(DEFINED LIBXML2_LIBRARIES)
480 # set(LibXml2_FIND_QUIETLY TRUE)
482 #find_package(LibXml2)
483 #include(gmxTestLibXml2)
484 #gmx_test_libxml2(HAVE_LIBXML2)
485 #option(GMX_XML "Use libxml2 to parse xml files (currently has no effect)" ${HAVE_LIBXML2})
487 #mark_as_advanced(GMX_XML)
488 # Don't actually do anything, since libxml2 is currently not used by libgromacs
489 #if(GMX_XML AND NOT HAVE_LIBXML2)
490 # message(FATAL_ERROR "libxml2 not found. Set GMX_XML=OFF to compile without XML support")
493 # include_directories(${LIBXML2_INCLUDE_DIR})
494 # set(PKG_XML libxml-2.0)
495 # set(XML_LIBRARIES ${LIBXML2_LIBRARIES})
500 "Use hwloc portable hardware locality library"
504 # Find quietly the second time.
505 if(DEFINED HWLOC_LIBRARIES)
506 set(Hwloc_FIND_QUIETLY TRUE)
508 find_package(Hwloc 1.5)
511 if (HWLOC_LIBRARIES MATCHES ".a$")
512 set(_STATIC_HWLOC TRUE)
515 gmx_check_if_changed(HWLOC_FOUND_CHANGED HWLOC_FOUND)
516 if (_STATIC_HWLOC AND HWLOC_FOUND_CHANGED)
517 message(STATUS "Static hwloc library found, will not attempt using it as it could lead to link-time errors. To use the detected library, manually set GMX_HWLOC=ON and you will likely have to pass appropriate linker flags too to satisfy the link-time dependencies of your hwloc library. Try \"pkg-config --libs --static hwloc\" for suggestions on what you will need.")
518 set(GMX_USE_HWLOC OFF)
520 set(GMX_USE_HWLOC ON)
524 include_directories(SYSTEM ${HWLOC_INCLUDE_DIRS})
525 list(APPEND GMX_EXTRA_LIBRARIES ${HWLOC_LIBRARIES})
527 elseif(GMX_HWLOC_FORCE)
528 message(FATAL_ERROR "Hwloc package support required, but not found.")
532 option(GMX_EXTERNAL_TINYXML2 "Use external TinyXML-2 instead of compiling the version bundled with GROMACS." OFF)
533 mark_as_advanced(GMX_EXTERNAL_TINYXML2)
534 if(GMX_EXTERNAL_TINYXML2)
535 # Find an external TinyXML-2 library.
536 find_package(TinyXML-2 3.0.0)
537 set(HAVE_TINYXML2 ${TinyXML2_FOUND})
538 if(NOT HAVE_TINYXML2)
539 message(FATAL_ERROR "External TinyXML-2 could not be found, please adjust your search paths")
543 option(GMX_EXTRAE "Add support for tracing using EXTRAE" OFF)
544 mark_as_advanced(GMX_EXTRAE)
549 include_directories(SYSTEM ${EXTRAE_INCLUDE_DIR})
552 message(FATAL_ERROR "EXTRAE library was not found. Please add the correct path to CMAKE_PREFIX_PATH")
556 option(GMX_X11 "Use X window system" OFF)
559 # X11 includes/libraries are only set in the ngmx subdirectory!
562 "X11 include files and/or libraries were not found. "
563 "Set GMX_X11=OFF to compile without X11 support. "
564 "gmx view will not be available.")
566 include_directories(SYSTEM ${X11_INCLUDE_DIR})
570 # Enable core threading facilities
571 tmpi_enable_core("${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include")
573 # enable MPI functions
575 set(MPI_IN_PLACE_EXISTS 1)
577 # If atomics are manually disabled a define is needed because atomics.h doesn't depend on config.h
578 if (TMPI_ATOMICS_DISABLED)
579 add_definitions(-DTMPI_ATOMICS_DISABLED)
582 include(gmxManageTNG)
584 include(gmxManageLmfit)
587 # now that we have detected the dependencies, do the second configure pass
590 list(APPEND GMX_EXTRA_LIBRARIES ${GMX_CUDA_CLANG_LINK_LIBS})
591 link_directories("${GMX_CUDA_CLANG_LINK_DIRS}")
600 set(GMX_NATIVE_WINDOWS 1)
601 # This makes windows.h not declare min/max as macros that would break
602 # C++ code using std::min/std::max.
603 add_definitions(-DNOMINMAX)
606 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin") #Work-around for cmake bug #10837
607 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Intel" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
608 set(CMAKE_INCLUDE_SYSTEM_FLAG_C "-isystem ")
610 if (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Intel" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
611 set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX "-isystem ")
615 option(GMX_BUILD_UNITTESTS "Build unit tests with BUILD_TESTING" ON)
616 mark_as_advanced(GMX_BUILD_UNITTESTS)
617 gmx_add_cache_dependency(GMX_BUILD_UNITTESTS BOOL BUILD_TESTING OFF)
619 ########################################################################
620 # Our own GROMACS tests
621 ########################################################################
623 add_definitions( -DHAVE_CONFIG_H )
624 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src)
625 # TODO required at high level because both libgromacs and progs/mdrun
626 # require it, both for thread-MPI and its atomics and mutexes.
627 include_directories(BEFORE SYSTEM ${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include)
628 # Required for config.h, maybe should only be set in src/CMakeLists.txt
629 include_directories(BEFORE ${CMAKE_BINARY_DIR}/src)
631 include(gmxTestInlineASM)
632 gmx_test_inline_asm_gcc_x86(GMX_X86_GCC_INLINE_ASM)
634 include(gmxSetBuildInformation)
635 gmx_set_build_information()
637 gmx_option_multichoice(
639 "Use low-latency RDTSCP instruction for CPU-based timers for mdrun execution; might need to be off when compiling for heterogeneous environments)"
642 mark_as_advanced(GMX_USE_RDTSCP)
644 macro(gmx_check_rdtscp)
645 if (CPU_DETECTION_FEATURES MATCHES "rdtscp")
647 set(RDTSCP_DETECTION_MESSAGE " - detected on the build host")
649 set(RDTSCP_DETECTION_MESSAGE " - not detected on the build host")
654 if (GMX_USE_RDTSCP STREQUAL "ON")
656 elseif(GMX_USE_RDTSCP STREQUAL "DETECT")
658 elseif(GMX_USE_RDTSCP STREQUAL "AUTO")
659 # If the user specified automated SIMD selection, that the choice
660 # is made based on detection on the build host. If so, then RDTSCP
661 # should be chosen the same way.
663 # If the user specified an AVX SIMD level (e.g. when
664 # cross-compiling GROMACS) then they will get our best guess, ie
665 # that in practice AVX mostly correlates with rdtscp (and anyway
666 # is only relevant in rather old x86 hardware).
667 if (GMX_SIMD STREQUAL "AUTO")
669 elseif (GMX_SIMD MATCHES "AVX")
673 gmx_check_if_changed(HAVE_RDTSCP_CHANGED HAVE_RDTSCP)
674 if (HAVE_RDTSCP_CHANGED)
676 message(STATUS "Enabling RDTSCP support${RDTSCP_DETECTION_MESSAGE}")
678 message(STATUS "Disabling RDTSCP support${RDTSCP_DETECTION_MESSAGE}")
682 include(gmxTestLargeFiles)
683 gmx_test_large_files(GMX_LARGEFILES)
685 include(gmxTestSignal)
686 gmx_test_sigusr1(HAVE_SIGUSR1)
688 include(gmxTestPipes)
689 gmx_test_pipes(HAVE_PIPES)
691 check_include_file_cxx(regex HAVE_CXX11_REGEX)
694 gmx_test_xdr(GMX_SYSTEM_XDR)
695 # Darwin has system XDR, but it uses a three-argument flavour of
696 # xdrproc_t that it guarantees will still work if you pass the normal
697 # two-argument xdr filters, but gcc 8 warns about the cast necessary
698 # to do that, so it's simpler to just use our own XDR library.
700 # TODO It would be better to craft a cmake test which fails if such
701 # XDR operations cause warnings, and succeeds otherwise, because it is
702 # generally preferable to use system libraries where possible.
703 if(NOT GMX_SYSTEM_XDR OR CMAKE_SYSTEM_NAME STREQUAL "Darwin")
704 set(GMX_INTERNAL_XDR 1)
708 ##################################################
709 # Process SIMD instruction settings
710 ##################################################
711 # This checks what flags to add in order to
712 # support the SIMD instructions we need, it sets
713 # correct defines for the SIMD instructions supported,
714 # and adds advanced options to control accuracy
715 # for SIMD math operations.
716 include(gmxManageSimd)
719 include(gmxManageCycleCounters)
720 gmx_manage_cycle_counters()
722 # Process QM/MM Settings
723 if(${GMX_QMMM_PROGRAM} STREQUAL "GAUSSIAN")
724 set(GMX_QMMM_GAUSSIAN 1)
725 elseif(${GMX_QMMM_PROGRAM} STREQUAL "MOPAC")
726 set(GMX_QMMM_MOPAC 1)
727 elseif(${GMX_QMMM_PROGRAM} STREQUAL "GAMESS")
728 set(GMX_QMMM_GAMESS 1)
729 elseif(${GMX_QMMM_PROGRAM} STREQUAL "ORCA")
731 elseif(${GMX_QMMM_PROGRAM} STREQUAL "NONE")
734 gmx_invalid_option_value(GMX_QMMM_PROGRAM)
738 ##################################################
739 # Process FFT library settings
740 ##################################################
741 include(gmxManageFFTLibraries)
744 include(gmxManageLinearAlgebraLibraries)
746 include(gmxManagePluginSupport)
749 if(NOT GMX_VMD_PLUGIN_PATH)
754 # Link real-time library for POSIX timers. The check for clock_gettime
755 # confirms the linkability of rt.
756 if(HAVE_TIME_H AND HAVE_UNISTD_H AND HAVE_CLOCK_GETTIME)
757 list(APPEND GMX_EXTRA_LIBRARIES rt)
760 # Math and thread libraries must often come after all others when linking...
762 list(APPEND GMX_PUBLIC_LIBRARIES m)
765 option(GMX_NACL "Configure for Native Client builds" OFF)
767 list(APPEND GMX_EXTRA_LIBRARIES nosys)
768 set(GMX_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lnosys")
769 # TODO: Is this still necessary with the check for its presence?
773 mark_as_advanced(GMX_NACL)
776 set(COREWRAP_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/../corewrap" CACHE STRING
777 "Path to swindirect.h")
778 include_directories(${COREWRAP_INCLUDE_DIR})
781 # Value of GMX_BUILD_HELP=AUTO tries to generate things, but will only
782 # produce warnings if that fails.
783 set(build_help_default AUTO)
784 if (SOURCE_IS_SOURCE_DISTRIBUTION OR CMAKE_CROSSCOMPILING)
785 set(build_help_default OFF)
787 gmx_option_trivalue(GMX_BUILD_HELP "Build completions automatically (requires that compiled binaries can be executed on the build host) and install man pages if built (requires building the 'man' target manually)" ${build_help_default})
788 mark_as_advanced(GMX_BUILD_HELP)
789 if (GMX_BUILD_HELP AND SOURCE_IS_SOURCE_DISTRIBUTION AND BUILD_IS_INSOURCE)
791 "Rebuilding shell completions or man pages is not supported for "
792 "in-source builds from a source distribution. "
793 "Set GMX_BUILD_HELP=OFF or do an out-of-source build to proceed.")
796 # # # # # # # # # # NO MORE TESTS AFTER THIS LINE! # # # # # # # # # # #
797 # these are set after everything else
798 if (NOT GMX_SKIP_DEFAULT_CFLAGS)
799 set(CMAKE_C_FLAGS "${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${CMAKE_C_FLAGS}")
800 set(CMAKE_CXX_FLAGS "${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
801 set(CMAKE_EXE_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
802 set(CMAKE_SHARED_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
804 message("Recommended flags which are not added because GMX_SKIP_DEFAULT_CFLAGS=yes:")
805 message("CMAKE_C_FLAGS: ${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${GMXC_CFLAGS}")
806 message("CMAKE_C_FLAGS_RELEASE: ${GMXC_CFLAGS_RELEASE}")
807 message("CMAKE_C_FLAGS_DEBUG: ${GMXC_CFLAGS_DEBUG}")
808 message("CMAKE_CXX_FLAGS: ${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${GMXC_CXXFLAGS}")
809 message("CMAKE_CXX_FLAGS_RELEASE: ${GMXC_CXXFLAGS_RELEASE}")
810 message("CMAKE_CXX_FLAGS_DEBUG: ${GMXC_CXXFLAGS_DEBUG}")
811 message("CMAKE_EXE_LINKER_FLAGS: ${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS}")
812 message("CMAKE_SHARED_LINKER_FLAGS: ${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS}")
816 #Unset all OpenMP flags in case OpenMP was disabled either by the user
817 #or because it was only partially detected (e.g. only for C but not C++ compiler)
818 unset(OpenMP_C_FLAGS CACHE)
819 unset(OpenMP_CXX_FLAGS CACHE)
821 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} ${OpenMP_LINKER_FLAGS})
822 set(GMX_SHARED_LINKER_FLAGS ${GMX_SHARED_LINKER_FLAGS} ${OpenMP_SHARED_LINKER_FLAGS})
826 ########################################################################
827 # Specify install locations
828 ########################################################################
829 # Use GNUInstallDirs to set paths on multiarch systems.
830 include(GNUInstallDirs)
832 set(GMX_INSTALL_DATASUBDIR "gromacs" CACHE STRING "Subdirectory for GROMACS data under CMAKE_INSTALL_DATADIR")
833 mark_as_advanced(GMX_INSTALL_DATASUBDIR)
835 # Internal convenience so we do not have to join two path segments in the code
836 set(GMX_INSTALL_GMXDATADIR ${CMAKE_INSTALL_DATADIR}/${GMX_INSTALL_DATASUBDIR})
838 # If the nesting level wrt. the installation root is changed,
839 # gromacs-config.cmake.cmakein needs to be adapted.
840 set(GMX_INSTALL_CMAKEDIR ${CMAKE_INSTALL_DATAROOTDIR}/cmake)
842 # TODO: Make GMXRC adapt if this is changed
843 set(GMX_INSTALL_PKGCONFIGDIR ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
844 set(GMX_INSTALL_OCLDIR ${GMX_INSTALL_GMXDATADIR}/opencl)
846 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${CMAKE_INSTALL_INCLUDEDIR})
848 # Binary and library suffix options
849 include(gmxManageSuffixes)
851 ################################################################
852 # Shared library load path settings
853 ################################################################
854 if(NOT GMX_BUILD_SHARED_EXE)
856 set(CMAKE_SKIP_RPATH TRUE)
857 set(CMAKE_EXE_LINK_DYNAMIC_C_FLAGS) # remove -Wl,-Bdynamic
858 set(CMAKE_EXE_LINK_DYNAMIC_CXX_FLAGS)
860 # The build folder always has bin/ and lib/; if we are also going to
861 # install to lib/, then the installation RPATH works also in the build
862 # tree. This makes installation slightly faster (no need to rewrite the
863 # RPATHs), and makes the binaries in the build tree relocatable.
864 if(CMAKE_INSTALL_LIBDIR STREQUAL "lib")
865 set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
867 cmake_policy(SET CMP0068 NEW) # From CMake-3.9
868 set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR TRUE)
871 # Set the RPATH as relative to the executable location to make the
872 # binaries relocatable.
873 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin") #Assume OS X >=10.5
874 set(CMAKE_INSTALL_RPATH "@loader_path/../${CMAKE_INSTALL_LIBDIR}")
875 set(CMAKE_INSTALL_NAME_DIR ${CMAKE_INSTALL_RPATH})
877 set(CMAKE_INSTALL_RPATH "\$ORIGIN/../${CMAKE_INSTALL_LIBDIR}")
879 set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
880 set(CMAKE_MACOSX_RPATH 1)
883 #COPYING file: Only necessary for binary distributions.
884 #Simpler to always install.
885 install(FILES COPYING DESTINATION ${GMX_INSTALL_GMXDATADIR} COMPONENT data)
887 if (GMX_BUILD_FOR_COVERAGE)
888 # Code heavy with asserts makes conditional coverage close to useless metric,
889 # as by design most of the false branches are impossible to trigger in
890 # correctly functioning code. And the benefit of testing those that could
891 # be triggered by using an API against its specification isn't usually
893 add_definitions(-DNDEBUG -DGMX_DISABLE_ASSERTS)
897 include(tests/CheckTarget.cmake)
900 if (NOT GMX_BUILD_MDRUN_ONLY)
901 find_package(ImageMagick QUIET COMPONENTS convert)
902 include(gmxTestImageMagick)
903 GMX_TEST_IMAGEMAGICK(IMAGE_CONVERT_POSSIBLE)
904 add_subdirectory(docs)
905 add_subdirectory(share)
906 add_subdirectory(scripts)
908 add_subdirectory(src)
911 add_subdirectory(tests)
914 gmx_cpack_write_config()
916 # Issue a warning if NVIDIA GPUs were detected, but CUDA was not found.
917 # Don't bother the user after the first configure pass.
918 if ((CUDA_NOTFOUND_AUTO AND GMX_DETECT_GPU_AVAILABLE) AND NOT GMX_GPU_DETECTION_DONE)
919 message(WARNING "${CUDA_NOTFOUND_MESSAGE}")
921 set(GMX_GPU_DETECTION_DONE TRUE CACHE INTERNAL "Whether GPU detection has already been done")
923 #######################
925 #######################
926 CONFIGURE_FILE( "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
927 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake"
929 ###########################
930 ADD_CUSTOM_TARGET(uninstall
931 "${CMAKE_COMMAND}" -P
932 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake")
933 ###########################
934 set_directory_properties(PROPERTIES
935 ADDITIONAL_MAKE_CLEAN_FILES "install_manifest.txt")