2 # This file is part of the GROMACS molecular simulation package.
4 # Copyright (c) 2009,2010,2011,2012,2013,2014,2015,2016, 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
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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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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 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
44 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
45 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
47 # Set up common version variables, as well as general information about
48 # the build tree (whether the build is from a source package or from a git
49 # repository). Also declares a few functions that will be used for generating
50 # version info files later.
51 include(gmxBuildTreeInfo)
52 include(gmxVersionInfo)
54 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND UNIX)
55 set(CMAKE_INSTALL_PREFIX "/usr/local/gromacs" CACHE STRING "Installation prefix (installation will need write permissions here)" FORCE)
57 if("${CMAKE_INSTALL_PREFIX}" STREQUAL "${CMAKE_BINARY_DIR}")
58 message(FATAL_ERROR "GROMACS cannot be installed into the build tree, choose a different location for CMAKE_INSTALL_PREFIX")
61 include(gmxBuildTypeReference)
62 include(gmxBuildTypeProfile)
63 include(gmxBuildTypeTSAN)
64 include(gmxBuildTypeASAN)
65 include(gmxBuildTypeMSAN)
66 include(gmxBuildTypeReleaseWithAssert)
68 if(NOT CMAKE_BUILD_TYPE)
69 set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel Reference RelWithAssert Profile TSAN ASAN MSAN." FORCE)
70 # Set the possible values of build type for cmake-gui
71 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
72 "MinSizeRel" "RelWithDebInfo" "Reference" "RelWithAssert" "Profile" "TSAN" "ASAN" "MSAN")
74 if(CMAKE_CONFIGURATION_TYPES)
75 # Add appropriate GROMACS-specific build types for the Visual
76 # Studio generator (Debug, Release, MinSizeRel and RelWithDebInfo
77 # are already present by default).
78 list(APPEND CMAKE_CONFIGURATION_TYPES "RelWithAssert" "Reference")
79 list(REMOVE_DUPLICATES CMAKE_CONFIGURATION_TYPES)
80 set(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING
81 "List of configuration types"
84 set(build_types_with_explicit_flags RELEASE DEBUG RELWITHDEBINFO RELWITHASSERT MINSIZEREL PROFILE)
86 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS ON)
88 include(gmxCTestUtilities)
91 include(gmxCPackUtilities)
94 # Variables that accumulate stuff influencing the installed headers
95 set(INSTALLED_HEADER_INCLUDE_DIRS "")
96 set(INSTALLED_HEADER_DEFINITIONS "")
98 ########################################################################
99 # Check and warn if cache generated on a different host is being reused
100 ########################################################################
102 execute_process(COMMAND hostname
103 OUTPUT_VARIABLE TMP_HOSTNAME
104 OUTPUT_STRIP_TRAILING_WHITESPACE)
105 if(GMX_BUILD_HOSTNAME AND NOT "${GMX_BUILD_HOSTNAME}" STREQUAL "${TMP_HOSTNAME}")
107 The CMake cache, probably generated on a different host (${GMX_BUILD_HOSTNAME}),
108 is being reused! This could lead to inconsistencies; therefore, it is
109 recommended to regenerate the cache!")
111 set(GMX_BUILD_HOSTNAME "${TMP_HOSTNAME}" CACHE INTERNAL
112 "Hostname of the machine where the cache was generated.")
115 ########################################################################
116 # Detect architecture before setting options so we can alter defaults
117 ########################################################################
118 # Detect the architecture the compiler is targetting, detect
119 # SIMD instructions possibilities on that hardware, suggest SIMD instruction set
120 # to use if none is specified, and populate the cache option for CPU
122 include(gmxDetectTargetArchitecture)
123 gmx_detect_target_architecture()
125 # Permit the user to specify a particular standard library, e.g. compiling
126 # with "-stdlib=libc++" and linking with "-lc++abi -lc++" to get clang's libcxx.
127 set(GMX_STDLIB_CXX_FLAGS "" CACHE STRING "Compiler flag for a C++ standard library flavour")
128 set(GMX_STDLIB_LIBRARIES "" CACHE STRING "Linker libraries for a particular C++ standard library")
129 mark_as_advanced(GMX_STDLIB_CXX_FLAGS)
130 mark_as_advanced(GMX_STDLIB_LIBRARIES)
132 ########################################################################
133 # Detect CXX11 support and flags
134 ########################################################################
135 # The cmake/Check{C,CXX}CompilerFlag.cmake files in the GROMACS distribution
136 # are used with permission from CMake v3.0.0 so that GROMACS can detect
137 # invalid options with the Intel Compilers, and we have added a line
138 # to detect warnings with the Fujitsu compilers on K computer and ICC.
139 # CMake-3.0 also has a bug where the FAIL_REGEX pattern for AIX contains
140 # a semicolon. Since this is also used as a separator in lists inside CMake,
141 # that string ends up being split into two separate patterns, and the last
142 # part is just a single word that also matches other messages. We solved this
143 # by replacing the semicolon with a period that matches any character.
145 # These files should be removed from the source tree when a CMake version that
146 # includes the features in question becomes required for building GROMACS.
147 include(CheckCCompilerFlag)
148 include(CheckCXXCompilerFlag)
150 # This must come early, since some of our configuration flag tests
151 # depend on being able to compile C++11 source files.
152 include(gmxTestCXX11)
153 gmx_test_cxx11(GMX_CXX11_FLAGS GMX_STDLIB_CXX_FLAGS GMX_STDLIB_LIBRARIES)
155 # Make sure all C++ code will be compiled in C++11 mode, with the
156 # expected standard library.
157 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GMX_CXX11_FLAGS} ${GMX_STDLIB_CXX_FLAGS}")
159 ########################################################################
160 # User input options #
161 ########################################################################
162 include(gmxOptionUtilities)
164 set(CMAKE_PREFIX_PATH "" CACHE STRING "Extra locations to search for external libraries and tools (give directory without lib, bin, or include)")
166 # Fujitsu only has SIMD in double precision, so this will be faster
167 gmx_set_boolean(GMX_DOUBLE_DEFAULT GMX_TARGET_FUJITSU_SPARC64)
168 option(GMX_DOUBLE "Use double precision (much slower, use only if you really need it)" ${GMX_DOUBLE_DEFAULT})
169 option(GMX_RELAXED_DOUBLE_PRECISION "Accept single precision 1/sqrt(x) when using Fujitsu HPC-ACE SIMD" OFF)
170 mark_as_advanced(GMX_RELAXED_DOUBLE_PRECISION)
172 option(GMX_MPI "Build a parallel (message-passing) version of GROMACS" OFF)
173 option(GMX_THREAD_MPI "Build a thread-MPI-based multithreaded version of GROMACS (not compatible with MPI)" ON)
174 gmx_dependent_option(
176 "Enable MPI_IN_PLACE for MPIs that have it defined"
179 mark_as_advanced(GMX_MPI_IN_PLACE)
180 option(GMX_FAHCORE "Build a library with mdrun functionality" OFF)
181 mark_as_advanced(GMX_FAHCORE)
183 option(GMX_COOL_QUOTES "Enable GROMACS cool quotes" ON)
184 mark_as_advanced(GMX_COOL_QUOTES)
185 gmx_add_cache_dependency(GMX_COOL_QUOTES BOOL "NOT GMX_FAHCORE" OFF)
187 option(GMX_USE_OPENCL "Enable OpenCL acceleration" OFF)
189 # Decide on GPU settings based on user-settings and GPU/CUDA
190 # detection. GCC 4.8 requires CUDA 6.0 (but we choose 6.5 for the
191 # preliminary C++11 support), icc 15 requires CUDA 7.0, and VS2015
194 set(REQUIRED_CUDA_VERSION 8.0)
195 elseif(CMAKE_CXX_COMPILER_ID MATCHES "Intel")
196 set(REQUIRED_CUDA_VERSION 7.0)
198 set(REQUIRED_CUDA_VERSION 6.5)
200 set(REQUIRED_CUDA_COMPUTE_CAPABILITY 2.0)
202 # OpenCL required version: 1.1 or newer
203 set(REQUIRED_OPENCL_MIN_VERSION 1.1)
205 if(NOT GMX_USE_OPENCL)
206 # CUDA detection is done only if GMX_USE_OPENCL is OFF.
207 include(gmxManageGPU)
208 set(GMX_USE_CUDA ${GMX_GPU})
210 set(GMX_GPU_ACCELERATION_FRAMEWORK "GMX_GPU_CUDA")
212 set(GMX_GPU_ACCELERATION_FRAMEWORK "GMX_GPU_NONE")
215 #Now the OpenCL path (for both AMD and NVIDIA)
217 include(gmxManageOpenCL)
218 set(GMX_GPU_ACCELERATION_FRAMEWORK "GMX_GPU_OPENCL")
220 message(FATAL_ERROR "OpenCL requested but GPU option is not enabled (try -DGMX_GPU=on) ")
224 include(gmxDetectSimd)
225 gmx_detect_simd(GMX_SUGGESTED_SIMD)
227 gmx_option_multichoice(
229 "SIMD instruction set for CPU kernels and compiler optimization"
230 "${GMX_SUGGESTED_SIMD}"
231 None SSE2 SSE4.1 AVX_128_FMA AVX_256 AVX2_256 AVX_512 AVX_512_KNL MIC ARM_NEON ARM_NEON_ASIMD IBM_QPX IBM_VMX IBM_VSX Sparc64_HPC_ACE Reference)
234 set(GMX_FFT_LIBRARY_DEFAULT "mkl")
236 set(GMX_FFT_LIBRARY_DEFAULT "fftw3")
239 gmx_option_multichoice(
242 "${GMX_FFT_LIBRARY_DEFAULT}"
243 fftw3 mkl "fftpack[built-in]")
244 gmx_dependent_option(
246 "Download and build FFTW 3 during the GROMACS build process, rather than fall back on the really slow fftpack."
248 "GMX_FFT_LIBRARY STREQUAL FFTW3")
249 gmx_dependent_option(
250 GMX_DISABLE_FFTW_MEASURE
251 "Do not optimize FFTW setups (not needed with SSE)"
253 "GMX_FFT_LIBRARY STREQUAL FFTW3")
254 mark_as_advanced(GMX_BUILD_OWN_FFTW)
255 mark_as_advanced(GMX_DISABLE_FFTW_MEASURE)
257 gmx_option_multichoice(
259 "QM package for QM/MM"
261 none gaussian mopac gamess orca)
263 gmx_dependent_cache_variable(GMX_SIMD_REF_FLOAT_WIDTH "Reference SIMD single precision width" STRING "4" "GMX_SIMD STREQUAL REFERENCE")
264 gmx_dependent_cache_variable(GMX_SIMD_REF_DOUBLE_WIDTH "Reference SIMD double precision width" STRING "2" "GMX_SIMD STREQUAL REFERENCE")
266 # This should be moved to a separate NBNXN cmake module when that code is cleaned up and modularized
268 option(GMX_BROKEN_CALLOC "Work around broken calloc()" OFF)
269 mark_as_advanced(GMX_BROKEN_CALLOC)
270 option(GMX_LOAD_PLUGINS "Compile with plugin support, needed to read VMD supported file formats" ON)
271 mark_as_advanced(GMX_LOAD_PLUGINS)
273 option(GMX_OPENMP "Enable OpenMP-based multithreading" ON)
275 option(GMX_USE_TNG "Use the TNG library for trajectory I/O" ON)
277 option(GMX_BUILD_MDRUN_ONLY "Build and install only the mdrun binary" OFF)
279 option(GMX_CYCLE_SUBCOUNTERS "Enable cycle subcounters to get a more detailed cycle timings" OFF)
280 mark_as_advanced(GMX_CYCLE_SUBCOUNTERS)
282 option(GMX_SKIP_DEFAULT_CFLAGS "Don't automatically add suggested/required Compiler flags." OFF)
283 mark_as_advanced(GMX_SKIP_DEFAULT_CFLAGS)
285 option(GMX_BUILD_FOR_COVERAGE
286 "Tune build for better code coverage metrics (e.g., disable asserts)"
288 mark_as_advanced(GMX_BUILD_FOR_COVERAGE)
290 option(GMX_DEVELOPER_BUILD
291 "Enable Developer convenience features: always build unit-tests"
293 mark_as_advanced(GMX_DEVELOPER_BUILD)
295 gmx_set_boolean(GMX_COMPILER_WARNINGS_DEFAULT "NOT SOURCE_IS_SOURCE_DISTRIBUTION")
296 option(GMX_COMPILER_WARNINGS
297 "Enable a default set of compiler warnings"
298 ${GMX_COMPILER_WARNINGS_DEFAULT})
299 mark_as_advanced(GMX_COMPILER_WARNINGS)
300 # Always turn on compiler warnings with a developer build.
301 gmx_add_cache_dependency(GMX_COMPILER_WARNINGS BOOL "NOT GMX_DEVELOPER_BUILD" ON)
303 option(GMX_BUILD_SHARED_EXE
304 "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."
306 mark_as_advanced(GMX_BUILD_SHARED_EXE)
308 ######################################################################
309 # Detect OpenMP support
310 ######################################################################
311 # The OpenMP detection _must_ come before tests for other CFLAGS.
312 include(gmxManageOpenMP)
316 ######################################################################
318 # These need to be done early (before further tests).
319 #####################################################################
324 # These collect libraries that Gromacs requires for linking:
325 # - Libraries that are required for libgromacs (only)
326 set(GMX_EXTRA_LIBRARIES "")
327 # - Libraries that are required for all code in the repository
328 set(GMX_COMMON_LIBRARIES "")
329 # - Libraries that all code linked against libgromacs needs
330 # (i.e., something that is exposed in installed headers).
331 set(GMX_PUBLIC_LIBRARIES "")
333 # This variable should be used for additional compiler flags which are not
334 # generated in gmxCFlags nor are SIMD or MPI related.
335 set(EXTRA_C_FLAGS "")
336 set(EXTRA_CXX_FLAGS "")
338 # Run through a number of tests for buggy compilers and other issues
339 include(gmxTestCompilerProblems)
340 gmx_test_compiler_problems()
342 # Implement double-precision option. This is complicated because we
343 # need installed headers to use the precision mode of the build that
344 # produced the library, but cannot use config.h in that case. We also
345 # want such variables to always have a definition, because #if is more
346 # robust than #ifdef. So, we put this value on the compiler command
349 # GMX_RELAXED_DOUBLE_PRECISION does not need to be handled here,
350 # because no installed header needs it
352 set(GMX_DOUBLE_VALUE 1)
354 set(GMX_DOUBLE_VALUE 0)
356 add_definitions(-DGMX_DOUBLE=${GMX_DOUBLE_VALUE})
357 list(APPEND INSTALLED_HEADER_DEFINITIONS "-DGMX_DOUBLE=${GMX_DOUBLE_VALUE}")
360 list(APPEND GMX_EXTRA_LIBRARIES "wsock32")
361 add_definitions(-DGMX_HAVE_WINSOCK)
366 ########################################################################
367 # Basic system tests (standard libraries, headers, functions, types) #
368 ########################################################################
369 include(CheckIncludeFiles)
370 include(CheckIncludeFileCXX)
371 check_include_files(unistd.h HAVE_UNISTD_H)
372 check_include_files(pwd.h HAVE_PWD_H)
373 check_include_files(dirent.h HAVE_DIRENT_H)
374 check_include_files(time.h HAVE_TIME_H)
375 check_include_files(sys/time.h HAVE_SYS_TIME_H)
376 check_include_files(io.h HAVE_IO_H)
377 check_include_files(sched.h HAVE_SCHED_H)
379 check_include_files(regex.h HAVE_POSIX_REGEX)
380 # TODO: It could be nice to inform the user if no regex support is found,
381 # as selections won't be fully functional.
383 include(CheckCXXSymbolExists)
384 check_cxx_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
385 check_cxx_symbol_exists(sysconf unistd.h HAVE_SYSCONF)
386 check_cxx_symbol_exists(nice unistd.h HAVE_NICE)
387 check_cxx_symbol_exists(fsync unistd.h HAVE_FSYNC)
388 check_cxx_symbol_exists(_fileno stdio.h HAVE__FILENO)
389 check_cxx_symbol_exists(fileno stdio.h HAVE_FILENO)
390 check_cxx_symbol_exists(_commit io.h HAVE__COMMIT)
391 check_cxx_symbol_exists(sigaction signal.h HAVE_SIGACTION)
393 # We cannot check for the __builtins as symbols, but check if code compiles
394 check_cxx_source_compiles("int main(){ return __builtin_clz(1);}" HAVE_BUILTIN_CLZ)
395 check_cxx_source_compiles("int main(){ return __builtin_clzll(1);}" HAVE_BUILTIN_CLZLL)
397 check_cxx_source_compiles("#include <intrin.h>\n int main(){unsigned long r;unsigned long i=1;_BitScanReverse(&r,i);return r;}" HAVE_BITSCANREVERSE)
398 check_cxx_source_compiles("#include <intrin.h>\n int main(){unsigned long r;unsigned __int64 i=1;_BitScanReverse(&r,i);return r;}" HAVE_BITSCANREVERSE64)
399 elseif(CMAKE_CXX_COMPILER_ID MATCHES "XL")
400 check_cxx_source_compiles("int main(){ return __cntlz4(1);}" HAVE_CNTLZ4)
401 check_cxx_source_compiles("int main(){ return __cntlz8(1);}" HAVE_CNTLZ8)
404 include(CheckLibraryExists)
405 find_library(HAVE_LIBM m)
406 mark_as_advanced(HAVE_LIBM)
407 check_library_exists(rt clock_gettime "" HAVE_CLOCK_GETTIME)
408 check_library_exists(m feenableexcept "" HAVE_FEENABLEEXCEPT)
410 include(TestSchedAffinity)
411 test_sched_affinity(HAVE_SCHED_AFFINITY)
413 # Aligned memory allocation. We need to check for both mm_malloc(),
414 # posix_memalign(), memalign(), and on windows also _aligned_malloc()
415 include(gmxTestMMMalloc)
416 gmx_test_mm_malloc(HAVE__MM_MALLOC)
417 check_cxx_symbol_exists(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)
418 check_cxx_symbol_exists(memalign stdlib.h HAVE_MEMALIGN)
420 # No need to waste time on this test on platforms where it will never be true
421 check_cxx_symbol_exists(_aligned_malloc stdlib.h HAVE__ALIGNED_MALLOC)
424 include(TestBigEndian)
425 test_big_endian(GMX_INTEGER_BIG_ENDIAN)
427 gmx_set_boolean(GMX_USE_NICE "HAVE_UNISTD_H AND HAVE_NICE")
429 # Management of GROMACS options for specific toolchains should go
430 # here. Because the initial settings for some of the main options have
431 # already happened, but things like library detection and MPI compiler
432 # feature detection have not, the docstrings for any over-rides of
433 # GROMACS defaults or user settings will make sense. Also, any
434 # toolchain-related reasons for choosing whether to detect various
435 # things can be sorted out now, before the detection takes place.
436 if(${CMAKE_SYSTEM_NAME} MATCHES BlueGene)
437 include(gmxManageBlueGene)
440 if(GMX_TARGET_FUJITSU_SPARC64)
441 include(gmxManageFujitsuSparc64)
444 ########################################################################
445 #Process MPI settings
446 ########################################################################
447 include(gmxManageMPI)
450 ########################################################################
451 #Process shared/static library settings
452 ########################################################################
453 include(gmxManageSharedLibraries)
456 ########################################################################
457 # Find external packages #
458 ########################################################################
460 # Unconditionally find the package, as it is also required for unit
461 # tests. This exports LIBXML2_FOUND, which we should not use because
462 # it does not tell us that linking will succeed. Instead, we test that
464 #if(DEFINED LIBXML2_LIBRARIES)
465 # set(LibXml2_FIND_QUIETLY TRUE)
467 #find_package(LibXml2)
468 #include(gmxTestLibXml2)
469 #gmx_test_libxml2(HAVE_LIBXML2)
470 #option(GMX_XML "Use libxml2 to parse xml files (currently has no effect)" ${HAVE_LIBXML2})
472 #mark_as_advanced(GMX_XML)
473 # Don't actually do anything, since libxml2 is currently not used by libgromacs
474 #if(GMX_XML AND NOT HAVE_LIBXML2)
475 # message(FATAL_ERROR "libxml2 not found. Set GMX_XML=OFF to compile without XML support")
478 # include_directories(${LIBXML2_INCLUDE_DIR})
479 # set(PKG_XML libxml-2.0)
480 # set(XML_LIBRARIES ${LIBXML2_LIBRARIES})
483 if(DEFINED HWLOC_LIBRARIES)
484 set(Hwloc_FIND_QUIETLY TRUE)
486 find_package(Hwloc 1.5)
488 if (HWLOC_LIBRARIES MATCHES ".a$")
489 set(_STATIC_HWLOC TRUE)
492 gmx_check_if_changed(HWLOC_FOUND_CHANGED HWLOC_FOUND)
493 if (_STATIC_HWLOC AND HWLOC_FOUND_CHANGED)
494 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.")
495 set(GMX_HWLOC_DEFAULT OFF)
497 set(GMX_HWLOC_DEFAULT ON)
500 set(GMX_HWLOC_DEFAULT OFF)
502 option(GMX_HWLOC "Add support for hwloc Portable Hardware locality library" ${GMX_HWLOC_DEFAULT})
505 include_directories(SYSTEM ${HWLOC_INCLUDE_DIRS})
506 list(APPEND GMX_EXTRA_LIBRARIES ${HWLOC_LIBRARIES})
508 message(FATAL_ERROR "Hwloc package support requested, but not found.")
512 option(GMX_EXTERNAL_TINYXML2 "Use external TinyXML-2 instead of compiling the version bundled with GROMACS." OFF)
513 mark_as_advanced(GMX_EXTERNAL_TINYXML2)
514 if(GMX_EXTERNAL_TINYXML2)
515 # Find an external TinyXML-2 library.
516 find_package(TinyXML-2 3.0.0)
517 set(HAVE_TINYXML2 ${TinyXML2_FOUND})
518 if(NOT HAVE_TINYXML2)
519 message(FATAL_ERROR "External TinyXML-2 could not be found, please adjust your search paths")
523 option(GMX_EXTRAE "Add support for tracing using EXTRAE" OFF)
524 mark_as_advanced(GMX_EXTRAE)
529 include_directories(SYSTEM ${EXTRAE_INCLUDE_DIR})
532 message(FATAL_ERROR "EXTRAE library was not found. Please add the correct path to CMAKE_PREFIX_PATH")
536 option(GMX_X11 "Use X window system" OFF)
539 # X11 includes/libraries are only set in the ngmx subdirectory!
542 "X11 include files and/or libraries were not found. "
543 "Set GMX_X11=OFF to compile without X11 support. "
544 "gmx view will not be available.")
546 include_directories(SYSTEM ${X11_INCLUDE_DIR})
550 # Enable core threading facilities
551 tmpi_enable_core("${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include")
552 # Enable tMPI C++ support
555 # enable MPI functions
557 set(MPI_IN_PLACE_EXISTS 1)
559 # If atomics are manually disabled a define is needed because atomics.h doesn't depend on config.h
560 if (TMPI_ATOMICS_DISABLED)
561 add_definitions(-DTMPI_ATOMICS_DISABLED)
564 include(gmxManageTNG)
566 include(gmxManageLmfit)
569 # now that we have detected the dependencies, do the second configure pass
578 set(GMX_NATIVE_WINDOWS 1)
579 # This makes windows.h not declare min/max as macros that would break
580 # C++ code using std::min/std::max.
581 add_definitions(-DNOMINMAX)
584 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin") #Work-around for cmake bug #10837
585 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Intel" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
586 set(CMAKE_INCLUDE_SYSTEM_FLAG_C "-isystem ")
588 if (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Intel" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
589 set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX "-isystem ")
593 option(GMX_BUILD_UNITTESTS "Build unit tests with BUILD_TESTING" ON)
594 mark_as_advanced(GMX_BUILD_UNITTESTS)
595 gmx_add_cache_dependency(GMX_BUILD_UNITTESTS BOOL BUILD_TESTING OFF)
597 ########################################################################
598 # Our own GROMACS tests
599 ########################################################################
601 add_definitions( -DHAVE_CONFIG_H )
602 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src)
603 # TODO required at high level because both libgromacs and progs/mdrun
604 # require it, both for thread-MPI and its atomics and mutexes.
605 include_directories(BEFORE SYSTEM ${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include)
606 # Required for config.h, maybe should only be set in src/CMakeLists.txt
607 include_directories(BEFORE ${CMAKE_BINARY_DIR}/src)
609 include(gmxTestInlineASM)
610 gmx_test_inline_asm_gcc_x86(GMX_X86_GCC_INLINE_ASM)
612 include(gmxSetBuildInformation)
613 gmx_set_build_information()
615 # - the build system's CPU supports it
616 # - the acceleration is set to AVX as all AVX-capable CPUs support AVX (which
617 # at this point means that the user set it).
618 # Note: it's better to not use the later set value of GMX_SIMD because
619 # it reflects the system's capability of both compiling and running AVX code.
620 # TODO: After merge with 5.0 one could implement a cache variable dependency
621 # such that GMX_USE_RDTSCP can change if GMX_SIMD is changed to AVX
622 # after the first cmake pass.
623 if (BUILD_CPU_FEATURES MATCHES "rdtscp" OR GMX_SIMD MATCHES "AVX")
624 set(GMX_USE_RDTSCP_DEFAULT_VALUE ON)
626 set(GMX_USE_RDTSCP_DEFAULT_VALUE OFF)
628 option(GMX_USE_RDTSCP "Use RDTSCP for better CPU-based timers (available on recent x86 CPUs; might need to be off when compiling for heterogeneous environments)" ${GMX_USE_RDTSCP_DEFAULT_VALUE})
629 mark_as_advanced(GMX_USE_RDTSCP)
634 include(gmxTestLargeFiles)
635 gmx_test_large_files(GMX_LARGEFILES)
637 include(gmxTestSignal)
638 gmx_test_sigusr1(HAVE_SIGUSR1)
640 include(gmxTestPipes)
641 gmx_test_pipes(HAVE_PIPES)
643 check_include_file_cxx(regex HAVE_CXX11_REGEX)
646 gmx_test_xdr(GMX_SYSTEM_XDR)
647 if(NOT GMX_SYSTEM_XDR)
648 set(GMX_INTERNAL_XDR 1)
652 ##################################################
653 # Process SIMD instruction settings
654 ##################################################
655 # This checks what flags to add in order to
656 # support the SIMD instructions we need, it sets
657 # correct defines for the SIMD instructions supported,
658 # and adds advanced options to control accuracy
659 # for SIMD math operations.
660 include(gmxManageSimd)
663 include(gmxManageCycleCounters)
664 gmx_manage_cycle_counters()
666 # Process QM/MM Settings
667 if(${GMX_QMMM_PROGRAM} STREQUAL "GAUSSIAN")
668 set(GMX_QMMM_GAUSSIAN 1)
669 elseif(${GMX_QMMM_PROGRAM} STREQUAL "MOPAC")
670 set(GMX_QMMM_MOPAC 1)
671 elseif(${GMX_QMMM_PROGRAM} STREQUAL "GAMESS")
672 set(GMX_QMMM_GAMESS 1)
673 elseif(${GMX_QMMM_PROGRAM} STREQUAL "ORCA")
675 elseif(${GMX_QMMM_PROGRAM} STREQUAL "NONE")
678 gmx_invalid_option_value(GMX_QMMM_PROGRAM)
682 ##################################################
683 # Process FFT library settings
684 ##################################################
685 include(gmxManageFFTLibraries)
688 include(gmxManageLinearAlgebraLibraries)
690 # Whether GROMACS will really try to compile support for VMD plugins
691 set(GMX_USE_PLUGINS OFF)
695 # Native Windows does not have, nor need dlopen
696 include(gmxTestdlopen)
697 gmx_test_dlopen(HAVE_DLOPEN)
700 # so, should we use plug-ins?
701 if(WIN32 OR (HAVE_DLOPEN AND BUILD_SHARED_LIBS))
703 MESSAGE(STATUS "Using dynamic plugins (e.g VMD-supported file formats)")
705 if(NOT GMX_VMD_PLUGIN_PATH)
708 set(GMX_USE_PLUGINS ON)
709 list(APPEND GMX_EXTRA_LIBRARIES ${CMAKE_DL_LIBS}) # magic cross-platform pre-set variable for dlopen library
710 set(PKG_DL_LIBS "-l${CMAKE_DL_LIBS}")
715 set(VMD_QUIETLY TRUE CACHE INTERNAL "")
717 # Link real-time library for POSIX timers. The check for clock_gettime
718 # confirms the linkability of rt.
719 if(HAVE_TIME_H AND HAVE_UNISTD_H AND HAVE_CLOCK_GETTIME)
720 list(APPEND GMX_EXTRA_LIBRARIES rt)
723 # Math and thread libraries must often come after all others when linking...
725 list(APPEND GMX_PUBLIC_LIBRARIES m)
728 option(GMX_NACL "Configure for Native Client builds" OFF)
730 list(APPEND GMX_EXTRA_LIBRARIES nosys)
731 set(GMX_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lnosys")
732 # TODO: Is this still necessary with the check for its presence?
736 mark_as_advanced(GMX_NACL)
739 set(COREWRAP_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/../corewrap" CACHE STRING
740 "Path to swindirect.h")
741 include_directories(${COREWRAP_INCLUDE_DIR})
744 # Value of GMX_BUILD_HELP=AUTO tries to generate things, but will only
745 # produce warnings if that fails.
746 set(build_help_default AUTO)
747 if (SOURCE_IS_SOURCE_DISTRIBUTION OR CMAKE_CROSSCOMPILING)
748 set(build_help_default OFF)
750 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)" ${build_help_default})
751 mark_as_advanced(GMX_BUILD_HELP)
752 if (GMX_BUILD_HELP AND SOURCE_IS_SOURCE_DISTRIBUTION AND BUILD_IS_INSOURCE)
754 "Rebuilding shell completions or man pages is not supported for "
755 "in-source builds from a source distribution. "
756 "Set GMX_BUILD_HELP=OFF or do an out-of-source build to proceed.")
759 # # # # # # # # # # NO MORE TESTS AFTER THIS LINE! # # # # # # # # # # #
760 # these are set after everything else
761 if (NOT GMX_SKIP_DEFAULT_CFLAGS)
762 set(CMAKE_C_FLAGS "${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${CMAKE_C_FLAGS}")
763 set(CMAKE_CXX_FLAGS "${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
764 set(CMAKE_EXE_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
765 set(CMAKE_SHARED_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
767 message("Recommended flags which are not added because GMX_SKIP_DEFAULT_CFLAGS=yes:")
768 message("CMAKE_C_FLAGS: ${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${GMXC_CFLAGS}")
769 message("CMAKE_C_FLAGS_RELEASE: ${GMXC_CFLAGS_RELEASE}")
770 message("CMAKE_C_FLAGS_DEBUG: ${GMXC_CFLAGS_DEBUG}")
771 message("CMAKE_CXX_FLAGS: ${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${GMXC_CXXFLAGS}")
772 message("CMAKE_CXX_FLAGS_RELEASE: ${GMXC_CXXFLAGS_RELEASE}")
773 message("CMAKE_CXX_FLAGS_DEBUG: ${GMXC_CXXFLAGS_DEBUG}")
774 message("CMAKE_EXE_LINKER_FLAGS: ${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS}")
775 message("CMAKE_SHARED_LINKER_FLAGS: ${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS}")
779 #Unset all OpenMP flags in case OpenMP was disabled either by the user
780 #or because it was only partially detected (e.g. only for C but not C++ compiler)
781 unset(OpenMP_C_FLAGS CACHE)
782 unset(OpenMP_CXX_FLAGS CACHE)
784 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} ${OpenMP_LINKER_FLAGS})
785 set(GMX_SHARED_LINKER_FLAGS ${GMX_SHARED_LINKER_FLAGS} ${OpenMP_SHARED_LINKER_FLAGS})
788 ########################################################################
789 # Specify install locations
790 ########################################################################
791 # Use GNUInstallDirs to set paths on multiarch systems.
792 include(GNUInstallDirs)
794 # Customization for the installation tree paths.
795 set(GMX_LIB_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING
796 "Library installation directory (default: ${CMAKE_INSTALL_LIBDIR})")
797 set(GMX_DATA_INSTALL_DIR gromacs CACHE STRING
798 "Data installation directory under share/ (default: gromacs)")
799 mark_as_advanced(GMX_LIB_INSTALL_DIR GMX_DATA_INSTALL_DIR)
801 # These variables are used internally to provide a central location for
802 # customizing the install locations.
803 set(LIB_INSTALL_DIR ${GMX_LIB_INSTALL_DIR})
804 set(BIN_INSTALL_DIR bin)
805 # This variable also gets written into config.h for use in finding the data
807 set(DATA_INSTALL_DIR share/${GMX_DATA_INSTALL_DIR})
808 set(MAN_INSTALL_DIR share/man)
809 # If the nesting level wrt. the installation root is changed,
810 # gromacs-config.cmake.cmakein needs to be adapted.
811 set(CMAKE_INSTALL_DIR share/cmake)
812 # TODO: Make GMXRC adapt if this is changed
813 set(PKGCONFIG_INSTALL_DIR ${LIB_INSTALL_DIR}/pkgconfig)
814 set(OCL_INSTALL_DIR ${DATA_INSTALL_DIR}/opencl)
815 set(INCL_INSTALL_DIR include)
817 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${INCL_INSTALL_DIR})
819 # Binary and library suffix options
820 include(gmxManageSuffixes)
822 ################################################################
823 # Shared library load path settings
824 ################################################################
825 if(NOT GMX_BUILD_SHARED_EXE)
827 set(CMAKE_SKIP_RPATH TRUE)
828 set(CMAKE_EXE_LINK_DYNAMIC_C_FLAGS) # remove -Wl,-Bdynamic
829 set(CMAKE_EXE_LINK_DYNAMIC_CXX_FLAGS)
831 # The build folder always has bin/ and lib/; if we are also going to
832 # install to lib/, then the installation RPATH works also in the build
833 # tree. This makes installation slightly faster (no need to rewrite the
834 # RPATHs), and makes the binaries in the build tree relocatable.
835 if(GMX_LIB_INSTALL_DIR STREQUAL "lib")
836 set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
838 # Set the RPATH as relative to the executable location to make the
839 # binaries relocatable.
840 if(NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin") #Assume OS X >=10.5
841 set(CMAKE_INSTALL_RPATH "\$ORIGIN/../${GMX_LIB_INSTALL_DIR}")
843 set(CMAKE_INSTALL_RPATH "@executable_path/../${GMX_LIB_INSTALL_DIR}")
845 set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
846 set(CMAKE_MACOSX_RPATH 1)
849 #COPYING file: Only necessary for binary distributions.
850 #Simpler to always install.
851 install(FILES COPYING DESTINATION ${DATA_INSTALL_DIR} COMPONENT data)
853 if (GMX_BUILD_FOR_COVERAGE)
854 # Code heavy with asserts makes conditional coverage close to useless metric,
855 # as by design most of the false branches are impossible to trigger in
856 # correctly functioning code. And the benefit of testing those that could
857 # be triggered by using an API against its specification isn't usually
859 add_definitions(-DNDEBUG -DGMX_DISABLE_ASSERTS)
863 include(tests/CheckTarget.cmake)
866 if (NOT GMX_BUILD_MDRUN_ONLY)
867 add_subdirectory(docs)
868 add_subdirectory(share)
869 add_subdirectory(scripts)
871 add_subdirectory(src)
874 add_subdirectory(tests)
877 gmx_cpack_write_config()
879 # Issue a warning if NVIDIA GPUs were detected, but CUDA was not found.
880 # Don't bother the user after the first configure pass.
881 if ((CUDA_NOTFOUND_AUTO AND GMX_DETECT_GPU_AVAILABLE) AND NOT GMX_GPU_DETECTION_DONE)
882 message(WARNING "${CUDA_NOTFOUND_MESSAGE}")
884 set(GMX_GPU_DETECTION_DONE TRUE CACHE INTERNAL "Whether GPU detection has already been done")
886 #######################
888 #######################
889 CONFIGURE_FILE( "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
890 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake"
892 ###########################
893 ADD_CUSTOM_TARGET(uninstall
894 "${CMAKE_COMMAND}" -P
895 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake")
896 ###########################
897 set_directory_properties(PROPERTIES
898 ADDITIONAL_MAKE_CLEAN_FILES "install_manifest.txt")