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
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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 2.8.8)
36 # When we require cmake >= 2.8.12, it will provide
37 # CMAKE_MINIMUM_REQUIRED_VERSION automatically, but in the meantime we
38 # need to set a variable, and it must have a different name.
39 set(GMX_CMAKE_MINIMUM_REQUIRED_VERSION "2.8.8")
41 # CMake modules/macros are in a subdirectory to keep this file cleaner
42 # This needs to be set before project() in order to pick up toolchain files
43 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Platform)
47 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
48 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
49 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
51 # Set up common version variables, as well as general information about
52 # the build tree (whether the build is from a source package or from a git
53 # repository). Also declares a few functions that will be used for generating
54 # version info files later.
55 include(gmxVersionInfo)
57 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND UNIX)
58 set(CMAKE_INSTALL_PREFIX "/usr/local/gromacs" CACHE STRING "Installation prefix (installation will need write permissions here)" FORCE)
61 include(gmxBuildTypeReference)
62 include(gmxBuildTypeProfile)
63 include(gmxBuildTypeTSAN)
64 include(gmxBuildTypeASAN)
65 include(gmxBuildTypeReleaseWithAssert)
67 if(NOT CMAKE_BUILD_TYPE)
68 set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel Reference RelWithAssert Profile." FORCE)
69 # There's no need to offer a user the choice of ThreadSanitizer
70 # Set the possible values of build type for cmake-gui
71 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
72 "MinSizeRel" "RelWithDebInfo" "Reference" "RelWithAssert" "Profile")
74 if(CMAKE_CONFIGURATION_TYPES)
75 # Add appropriate GROMACS-specific build types for the Visual
76 # Studio generator (Debug, Release, MinSizeRel and RelWithDebInfo
77 # are already present by default).
78 list(APPEND CMAKE_CONFIGURATION_TYPES "RelWithAssert" "Reference")
79 list(REMOVE_DUPLICATES CMAKE_CONFIGURATION_TYPES)
80 set(CMAKE_CONFIGURATION_TYPES "${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 # Set a default valgrind suppression file.
89 # This unfortunately needs to duplicate information from CTest to work as
91 set(MEMORYCHECK_SUPPRESSIONS_FILE
92 "${CMAKE_SOURCE_DIR}/cmake/legacy_and_external.supp"
94 "File that contains suppressions for the memory checker")
97 include(gmxCPackUtilities)
100 # Variables that accumulate stuff influencing the installed headers
101 set(INSTALLED_HEADER_INCLUDE_DIRS "")
102 set(INSTALLED_HEADER_DEFINITIONS "")
104 ########################################################################
105 # Check and warn if cache generated on a different host is being reused
106 ########################################################################
108 execute_process(COMMAND hostname
109 OUTPUT_VARIABLE TMP_HOSTNAME
110 OUTPUT_STRIP_TRAILING_WHITESPACE)
111 if(GMX_BUILD_HOSTNAME AND NOT "${GMX_BUILD_HOSTNAME}" STREQUAL "${TMP_HOSTNAME}")
113 The CMake cache, probably generated on a different host (${GMX_BUILD_HOSTNAME}),
114 is being reused! This could lead to inconsitencies; therefore, it is
115 recommended to regenerate the cache!")
117 set(GMX_BUILD_HOSTNAME "${TMP_HOSTNAME}" CACHE INTERNAL
118 "Hostname of the machine where the cache was generated.")
121 ########################################################################
122 # Detect architecture before setting options so we can alter defaults
123 ########################################################################
124 # Detect the architecture the compiler is targetting, detect
125 # SIMD instructions possibilities on that hardware, suggest SIMD instruction set
126 # to use if none is specified, and populate the cache option for CPU
128 include(gmxDetectTargetArchitecture)
129 gmx_detect_target_architecture()
131 ########################################################################
132 # User input options #
133 ########################################################################
134 include(gmxOptionUtilities)
136 set(CMAKE_PREFIX_PATH "" CACHE STRING "Extra locations to search for external libraries and tools (give directory without lib, bin, or include)")
138 if(GMX_TARGET_FUJITSU_SPARC64)
139 # Fujitsu only has SIMD in double precision, so this will be faster
140 set(GMX_DOUBLE_DEFAULT ON)
142 set(GMX_DOUBLE_DEFAULT OFF)
144 option(GMX_DOUBLE "Use double precision (much slower, use only if you really need it)" ${GMX_DOUBLE_DEFAULT})
145 option(GMX_RELAXED_DOUBLE_PRECISION "Accept single precision 1/sqrt(x) when using Fujitsu HPC-ACE SIMD" OFF)
146 mark_as_advanced(GMX_RELAXED_DOUBLE_PRECISION)
148 option(GMX_MPI "Build a parallel (message-passing) version of GROMACS" OFF)
149 option(GMX_THREAD_MPI "Build a thread-MPI-based multithreaded version of GROMACS (not compatible with MPI)" ON)
150 gmx_dependent_option(
152 "Enable MPI_IN_PLACE for MPIs that have it defined"
155 mark_as_advanced(GMX_MPI_IN_PLACE)
156 option(GMX_SOFTWARE_INVSQRT "Use GROMACS software 1/sqrt" ON)
157 mark_as_advanced(GMX_SOFTWARE_INVSQRT)
158 option(GMX_FAHCORE "Build a library with mdrun functionality" OFF)
159 mark_as_advanced(GMX_FAHCORE)
161 option(GMX_COOL_QUOTES "Enable Gromacs cool quotes" ON)
162 mark_as_advanced(GMX_COOL_QUOTES)
163 gmx_add_cache_dependency(GMX_COOL_QUOTES BOOL "NOT GMX_FAHCORE" OFF)
165 # Decide on GPU settings based on user-settings and GPU/CUDA detection.
166 # We support CUDA >=v4.0 on *nix, but <= v4.1 doesn't work with MSVC
168 set(REQUIRED_CUDA_VERSION 4.1)
170 set(REQUIRED_CUDA_VERSION 4.0)
172 set(REQUIRED_CUDA_COMPUTE_CAPABILITY 2.0)
173 include(gmxManageGPU)
175 if(GMX_CPU_ACCELERATION)
176 # Stay compatible with old Jenkins command line options for specific SIMD acceleration
177 set(GMX_SIMD "${GMX_CPU_ACCELERATION}" CACHE STRING "SIMD instruction set level and compiler optimization" FORCE)
178 message("You set GMX_CPU_ACCELERATION, which is deprecated, and will be removed in a later version of GROMACS. It is replaced by GMX_SIMD. For now, copying the value from GMX_CPU_ACCELERATION to GMX_SIMD.")
179 # TODO remove all references to GMX_CPU_ACCELERATION in master branch
182 if(NOT GMX_TARGET_MIC)
183 include(gmxDetectSimd)
184 gmx_detect_simd(GMX_SUGGESTED_SIMD)
186 set(GMX_SUGGESTED_SIMD "None")
189 gmx_option_multichoice(
191 "SIMD instruction set for CPU kernels and compiler optimization"
192 "${GMX_SUGGESTED_SIMD}"
193 None SSE2 SSE4.1 AVX_128_FMA AVX_256 AVX2_256 ARM_NEON ARM_NEON_ASIMD IBM_QPX IBM_VMX IBM_VSX Sparc64_HPC_ACE Reference)
195 gmx_option_multichoice(
199 fftw3 mkl "fftpack[built-in]")
200 gmx_dependent_option(
202 "Download and build FFTW 3 during the GROMACS build process, rather than fall back on the really slow fftpack."
204 "GMX_FFT_LIBRARY STREQUAL FFTW3")
205 gmx_dependent_option(
206 GMX_DISABLE_FFTW_MEASURE
207 "Do not optimize FFTW setups (not needed with SSE)"
209 "GMX_FFT_LIBRARY STREQUAL FFTW3")
210 mark_as_advanced(GMX_BUILD_OWN_FFTW)
211 mark_as_advanced(GMX_DISABLE_FFTW_MEASURE)
213 gmx_option_multichoice(
215 "QM package for QM/MM"
217 none gaussian mopac gamess orca)
219 gmx_dependent_cache_variable(GMX_SIMD_REF_FLOAT_WIDTH "Reference SIMD single precision width" STRING "4" "GMX_SIMD STREQUAL REFERENCE")
220 gmx_dependent_cache_variable(GMX_SIMD_REF_DOUBLE_WIDTH "Reference SIMD double precision width" STRING "2" "GMX_SIMD STREQUAL REFERENCE")
222 # This should be moved to a separate NBNXN cmake module when that code is cleaned up and modularized
224 option(GMX_BROKEN_CALLOC "Work around broken calloc()" OFF)
225 mark_as_advanced(GMX_BROKEN_CALLOC)
226 option(GMX_LOAD_PLUGINS "Compile with plugin support, needed to read VMD supported file formats" ON)
227 mark_as_advanced(GMX_LOAD_PLUGINS)
229 option(GMX_GPU "Enable GPU acceleration" ON)
230 option(GMX_OPENMP "Enable OpenMP-based multithreading" ON)
232 option(GMX_USE_TNG "Use the TNG library for trajectory I/O" ON)
235 option(GMX_SYMLINK_OLD_BINARY_NAMES "Create symbolic links for pre-5.0 binary names" ON)
237 option(GMX_BUILD_MDRUN_ONLY "Build and install only the mdrun binary" OFF)
239 option(GMX_CYCLE_SUBCOUNTERS "Enable cycle subcounters to get a more detailed cycle timings" OFF)
240 mark_as_advanced(GMX_CYCLE_SUBCOUNTERS)
242 option(GMX_SKIP_DEFAULT_CFLAGS "Don't automatically add suggested/required Compiler flags." OFF)
243 mark_as_advanced(GMX_SKIP_DEFAULT_CFLAGS)
245 option(GMX_BUILD_FOR_COVERAGE
246 "Tune build for better code coverage metrics (e.g., disable asserts)"
248 mark_as_advanced(GMX_BUILD_FOR_COVERAGE)
250 option(GMX_DEVELOPER_BUILD
251 "Enable Developer convenience features: always build unit-tests"
253 mark_as_advanced(GMX_DEVELOPER_BUILD)
255 ######################################################################
256 # Detect OpenMP support
257 ######################################################################
258 # The OpenMP detection _must_ come before tests for other CFLAGS.
259 include(gmxManageOpenMP)
263 ######################################################################
265 # These need to be done early (before further tests).
266 #####################################################################
268 # The cmake/Check{C,CXX}CompilerFlag.cmake files in the GROMACS distribution
269 # are used with permission from CMake v3.0.0 so that GROMACS can detect
270 # invalid options with the Intel Compilers, and we have added a line
271 # to detect warnings with the Fujitsu compilers on K computer and ICC.
272 # CMake-3.0 also has a bug where the FAIL_REGEX pattern for AIX contains
273 # a semicolon. Since this is also used as a separator in lists inside CMake,
274 # that string ends up being split into two separate patterns, and the last
275 # part is just a single word that also matches other messages. We solved this
276 # by replacing the semicolon with a period that matches any character.
278 # These files should be removed from the source tree when a CMake version that
279 # includes the features in question becomes required for building GROMACS.
280 include(CheckCCompilerFlag)
281 include(CheckCXXCompilerFlag)
286 # This variable should be used for additional compiler flags which are not
287 # generated in gmxCFlags nor are SIMD or MPI related.
288 set(EXTRA_C_FLAGS "")
289 set(EXTRA_CXX_FLAGS "")
291 # Run through a number of tests for buggy compilers and other issues
292 include(gmxTestCompilerProblems)
293 gmx_test_compiler_problems()
294 # GMX_SIMD will not be set automatically until the second
295 # pass (which is not strictly guaranteed to occur), so putting this
296 # check here among logically-related tests is inefficient, but the
297 # potential loss is likely zero.
298 if(GMX_SIMD STREQUAL "AVX_256"
299 AND CMAKE_COMPILER_IS_GNUCC
300 AND (C_COMPILER_VERSION VERSION_EQUAL "4.6.1"
301 OR CXX_COMPILER_VERSION VERSION_EQUAL "4.6.1"))
302 message(FATAL_ERROR "gcc 4.6.1 has buggy support for AVX, and GROMACS mdrun will not work. If you want simulation performance, use a more recent compiler. Otherwise, use GMX_SIMD=SSE4.1")
303 # See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49002
308 add_definitions(-DGMX_DOUBLE)
309 list(APPEND INSTALLED_HEADER_DEFINITIONS "-DGMX_DOUBLE")
310 if(GMX_RELAXED_DOUBLE_PRECISION)
311 add_definitions(-DGMX_RELAXED_DOUBLE_PRECISION)
314 if(GMX_SOFTWARE_INVSQRT)
315 list(APPEND INSTALLED_HEADER_DEFINITIONS "-DGMX_SOFTWARE_INVSQRT")
319 list(APPEND GMX_EXTRA_LIBRARIES "wsock32")
320 add_definitions(-DGMX_HAVE_WINSOCK)
325 ########################################################################
326 # Basic system tests (standard libraries, headers, functions, types) #
327 ########################################################################
328 include(CheckIncludeFiles)
329 include(CheckIncludeFileCXX)
330 check_include_files(unistd.h HAVE_UNISTD_H)
331 check_include_files(pwd.h HAVE_PWD_H)
332 check_include_files(dirent.h HAVE_DIRENT_H)
333 check_include_files(time.h HAVE_TIME_H)
334 check_include_files(sys/time.h HAVE_SYS_TIME_H)
335 check_include_files(io.h HAVE_IO_H)
336 check_include_files(sched.h HAVE_SCHED_H)
338 check_include_files(regex.h HAVE_POSIX_REGEX)
339 check_include_file_cxx(regex HAVE_CXX11_REGEX)
340 # TODO: It could be nice to inform the user if no regex support is found,
341 # as selections won't be fully functional.
343 include(CheckFunctionExists)
344 check_function_exists(posix_memalign HAVE_POSIX_MEMALIGN)
345 check_function_exists(memalign HAVE_MEMALIGN)
346 check_function_exists(_aligned_malloc HAVE__ALIGNED_MALLOC)
347 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
348 check_function_exists(fsync HAVE_FSYNC)
349 check_function_exists(_fileno HAVE__FILENO)
350 check_function_exists(fileno HAVE_FILENO)
351 check_function_exists(_commit HAVE__COMMIT)
352 check_function_exists(sigaction HAVE_SIGACTION)
353 check_function_exists(sysconf HAVE_SYSCONF)
354 check_function_exists(rsqrt HAVE_RSQRT)
355 check_function_exists(rsqrtf HAVE_RSQRTF)
356 check_function_exists(sqrtf HAVE_SQRTF)
358 include(CheckLibraryExists)
359 check_library_exists(m sqrt "" HAVE_LIBM)
360 check_library_exists(rt clock_gettime "" HAVE_CLOCK_GETTIME)
362 include(TestSchedAffinity)
363 test_sched_affinity(HAVE_SCHED_AFFINITY)
365 include(TestBigEndian)
366 test_big_endian(GMX_INTEGER_BIG_ENDIAN)
368 # Management of GROMACS options for specific toolchains should go
369 # here. Because the initial settings for some of the main options have
370 # already happened, but things like library detection and MPI compiler
371 # feature detection have not, the docstrings for any over-rides of
372 # GROMACS defaults or user settings will make sense. Also, any
373 # toolchain-related reasons for choosing whether to detect various
374 # things can be sorted out now, before the detection takes place.
375 if(${CMAKE_SYSTEM_NAME} MATCHES BlueGene)
376 include(gmxManageBlueGene)
379 if(GMX_TARGET_FUJITSU_SPARC64)
380 include(gmxManageFujitsuSparc64)
383 ########################################################################
384 #Process MPI settings
385 ########################################################################
386 include(gmxManageMPI)
389 ########################################################################
390 #Process shared/static library settings
391 ########################################################################
392 include(gmxManageSharedLibraries)
395 ########################################################################
396 # Find external packages #
397 ########################################################################
399 # Unconditionally find the package, as it is also required for unit
400 # tests. This exports LIBXML2_FOUND, which we should not use because
401 # it does not tell us that linking will succeed. Instead, we test that
403 if(DEFINED LIBXML2_LIBRARIES)
404 set(LibXml2_FIND_QUIETLY TRUE)
406 find_package(LibXml2)
407 include(gmxTestLibXml2)
408 gmx_test_libxml2(HAVE_LIBXML2)
409 option(GMX_XML "Use libxml2 to parse xml files (currently has no effect)" ${HAVE_LIBXML2})
411 mark_as_advanced(GMX_XML)
412 # Don't actually do anything, since libxml2 is currently not used by libgromacs
413 #if(GMX_XML AND NOT HAVE_LIBXML2)
414 # message(FATAL_ERROR "libxml2 not found. Set GMX_XML=OFF to compile without XML support")
417 # include_directories(${LIBXML2_INCLUDE_DIR})
418 # set(PKG_XML libxml-2.0)
419 # set(XML_LIBRARIES ${LIBXML2_LIBRARIES})
422 option(GMX_EXTRAE "Add support for tracing using EXTRAE" OFF)
423 mark_as_advanced(GMX_EXTRAE)
428 include_directories(${EXTRAE_INCLUDE_DIR})
431 message(FATAL_ERROR "EXTRAE library was not found. Please add the correct path to CMAKE_PREFIX_PATH")
435 option(GMX_X11 "Use X window system" OFF)
438 # X11 includes/libraries are only set in the ngmx subdirectory!
441 "X11 include files and/or libraries were not found. "
442 "Set GMX_X11=OFF to compile without X11 support. "
443 "gmx view will not be available.")
445 include_directories(${X11_INCLUDE_DIR})
449 # Enable core threading facilities
450 tmpi_enable_core("${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include")
451 # Enable tMPI C++ support
454 # enable MPI functions
457 set(MPI_IN_PLACE_EXISTS 1)
459 # If atomics are manually disabled a define is needed because atomics.h doesn't depend on config.h
460 if (TMPI_ATOMICS_DISABLED)
461 add_definitions(-DTMPI_ATOMICS_DISABLED)
465 # now that we have detected the dependencies, do the second configure pass
474 set(GMX_NATIVE_WINDOWS 1)
475 # This makes windows.h not declare min/max as macros that would break
476 # C++ code using std::min/std::max.
477 add_definitions(-DNOMINMAX)
480 # Detect boost unless GMX_EXTERNAL_BOOST is explicitly OFF
481 # Used for default if GMX_EXTERNAL_BOOST is not defined (first CMake pass)
482 if(NOT DEFINED GMX_EXTERNAL_BOOST OR GMX_EXTERNAL_BOOST)
483 find_package(Boost 1.44.0)
484 if(Boost_FOUND AND Boost_VERSION VERSION_LESS "104400")
485 set(Boost_FOUND FALSE)
487 # Print the notification only on first run, when determining the default
488 if(NOT DEFINED GMX_EXTERNAL_BOOST AND NOT Boost_FOUND)
489 message("Boost >= 1.44 not found. Using minimal internal version. "
490 "This may cause trouble if you plan on compiling/linking other "
491 "software that uses Boost against Gromacs.")
494 option(GMX_EXTERNAL_BOOST "Use external Boost instead of minimal built-in version"
496 if(GMX_EXTERNAL_BOOST AND NOT Boost_FOUND)
498 "Boost >= 1.44 not found. "
499 "You can set GMX_EXTERNAL_BOOST=OFF to compile against minimal "
500 "version of Boost included with Gromacs.")
503 if(NOT DEFINED GMX_BUILD_UNITTESTS AND NOT HAVE_LIBXML2)
504 message(WARNING "libxml2 not found. Will build GROMACS without unit-tests. This is not recommended, because the unit-tests help to verify that GROMACS functions correctly. Most likely you are missing the libxml2-dev(el) package. After you installed it, set GMX_BUILD_UNITTESTS=ON.")
506 option(GMX_BUILD_UNITTESTS "Build unit tests with BUILD_TESTING (uses Google C++ Testing and Mocking Frameworks, requires libxml2)" ${HAVE_LIBXML2})
507 mark_as_advanced(GMX_BUILD_UNITTESTS)
508 gmx_add_cache_dependency(GMX_BUILD_UNITTESTS BOOL BUILD_TESTING OFF)
509 if (GMX_BUILD_UNITTESTS AND NOT HAVE_LIBXML2)
511 "Cannot build unit tests without libxml2. "
512 "Either set GMX_BUILD_UNITTESTS=OFF or tell CMake how to find a working version of libxml2.")
515 if(GMX_USE_TNG AND NOT GMX_EXTERNAL_TNG)
516 # TNG wants zlib if it is available
517 find_package(ZLIB QUIET)
519 gmx_test_zlib(HAVE_ZLIB)
522 ########################################################################
523 # Our own GROMACS tests
524 ########################################################################
526 add_definitions( -DHAVE_CONFIG_H )
527 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src)
528 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include)
529 # Required for config.h, maybe should only be set in src/CMakeLists.txt
530 include_directories(BEFORE ${CMAKE_BINARY_DIR}/src)
532 include(gmxTestInlineASM)
533 gmx_test_inline_asm_gcc_x86(GMX_X86_GCC_INLINE_ASM)
535 include(gmxSetBuildInformation)
536 gmx_set_build_information()
538 # - the build system's CPU supports it
539 # - the acceleration is set to AVX as all AVX-capable CPUs support AVX (which
540 # at this point means that the user set it).
541 # Note: it's better to not use the later set value of GMX_SIMD because
542 # it reflects the system's capability of both compiling and running AVX code.
543 # TODO: After merge with 5.0 one could implement a cache variable dependency
544 # such that GMX_USE_RDTSCP can change if GMX_SIMD is changed to AVX
545 # after the first cmake pass.
546 if (BUILD_CPU_FEATURES MATCHES "rdtscp" OR GMX_SIMD MATCHES "AVX")
547 set(GMX_USE_RDTSCP_DEFAULT_VALUE ON)
549 set(GMX_USE_RDTSCP_DEFAULT_VALUE OFF)
551 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)" ${GMX_USE_RDTSCP_DEFAULT_VALUE})
552 mark_as_advanced(GMX_USE_RDTSCP)
557 include(gmxTestFloatFormat)
558 gmx_test_float_format(GMX_FLOAT_FORMAT_IEEE754
559 GMX_IEEE754_BIG_ENDIAN_BYTE_ORDER
560 GMX_IEEE754_BIG_ENDIAN_WORD_ORDER)
562 include(gmxTestLargeFiles)
563 gmx_test_large_files(GMX_LARGEFILES)
565 include(gmxTestSignal)
566 gmx_test_sigusr1(HAVE_SIGUSR1)
568 include(gmxTestPipes)
569 gmx_test_pipes(HAVE_PIPES)
571 include(gmxTestIsfinite)
572 gmx_test_isfinite(HAVE_ISFINITE)
573 gmx_test__isfinite(HAVE__ISFINITE)
574 gmx_test__finite(HAVE__FINITE)
576 include(gmxTestCXX11)
577 gmx_test_cxx11(GMX_CXX11_SUPPORTED GMX_CXX11_FLAGS)
578 include(CMakeDependentOption)
579 # nvcc does not support C++11 flags, so with GPUs we prefer to skip C++11 flags
580 # entirely to keep the compilation environment uniform.
581 cmake_dependent_option(GMX_CXX11
583 ON "GMX_CXX11_SUPPORTED AND NOT GMX_GPU" OFF)
584 mark_as_advanced(GMX_CXX11)
586 set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} ${GMX_CXX11_FLAGS}")
591 gmx_test_xdr(GMX_SYSTEM_XDR)
592 if(NOT GMX_SYSTEM_XDR)
593 set(GMX_INTERNAL_XDR 1)
597 ##################################################
598 # Process SIMD instruction settings
599 ##################################################
600 # This checks what flags to add in order to
601 # support the SIMD instructions we need, and sets
602 # correct defines for the SIMD instructions supported.
607 # Process QM/MM Settings
608 if(${GMX_QMMM_PROGRAM} STREQUAL "GAUSSIAN")
609 set(GMX_QMMM_GAUSSIAN 1)
610 elseif(${GMX_QMMM_PROGRAM} STREQUAL "MOPAC")
611 set(GMX_QMMM_MOPAC 1)
612 elseif(${GMX_QMMM_PROGRAM} STREQUAL "GAMESS")
613 set(GMX_QMMM_GAMESS 1)
614 elseif(${GMX_QMMM_PROGRAM} STREQUAL "ORCA")
616 elseif(${GMX_QMMM_PROGRAM} STREQUAL "NONE")
619 gmx_invalid_option_value(GMX_QMMM_PROGRAM)
623 ##################################################
624 # Process FFT library settings
625 ##################################################
626 include(gmxManageFFTLibraries)
629 include(gmxManageLinearAlgebraLibraries)
631 # Whether GROMACS will really try to compile support for VMD plugins
632 set(GMX_USE_PLUGINS OFF)
636 # Native Windows does not have, nor need dlopen
637 include(gmxTestdlopen)
638 gmx_test_dlopen(HAVE_DLOPEN)
641 # so, should we use plug-ins?
642 if(WIN32 OR (HAVE_DLOPEN AND BUILD_SHARED_LIBS))
644 MESSAGE(STATUS "Using dynamic plugins (e.g VMD-supported file formats)")
646 if(NOT GMX_VMD_PLUGIN_PATH)
649 set(GMX_USE_PLUGINS ON)
650 list(APPEND GMX_EXTRA_LIBRARIES ${CMAKE_DL_LIBS}) # magic cross-platform pre-set variable for dlopen library
651 set(PKG_DL_LIBS "-l${CMAKE_DL_LIBS}")
656 set(VMD_QUIETLY TRUE CACHE INTERNAL "")
658 # Link real-time library for POSIX timers. The check for clock_gettime
659 # confirms the linkability of rt.
660 if(HAVE_TIME_H AND HAVE_UNISTD_H AND HAVE_CLOCK_GETTIME)
661 list(APPEND GMX_EXTRA_LIBRARIES rt)
664 # Math and thread libraries must often come after all others when linking...
666 list(APPEND GMX_EXTRA_LIBRARIES m)
669 option(GMX_NACL "Configure for Native Client builds" OFF)
671 list(APPEND GMX_EXTRA_LIBRARIES nosys)
672 set(GMX_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lnosys")
676 mark_as_advanced(GMX_NACL)
679 set(COREWRAP_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/../corewrap" CACHE STRING
680 "Path to swindirect.h")
681 include_directories(${COREWRAP_INCLUDE_DIR})
684 # Value of AUTO tries to generate things, but will only produce warnings if
686 set(build_help_default AUTO)
687 if (SOURCE_IS_SOURCE_DISTRIBUTION)
688 set(build_help_default OFF)
690 gmx_option_trivalue(GMX_BUILD_HELP "Build man pages, HTML help, and completions automatically (requires that compiled binaries can be executed on the build host)" ${build_help_default})
691 mark_as_advanced(GMX_BUILD_HELP)
692 if (GMX_BUILD_HELP AND SOURCE_IS_SOURCE_DISTRIBUTION AND BUILD_IS_INSOURCE)
694 "Rebuilding HTML and man pages or shell completions is not supported "
695 "for in-source builds from a source distribution. "
696 "Set GMX_BUILD_HELP=OFF or do an out-of-source build to proceed.")
699 # # # # # # # # # # NO MORE TESTS AFTER THIS LINE! # # # # # # # # # # #
700 # these are set after everything else
701 if (NOT GMX_SKIP_DEFAULT_CFLAGS)
702 set(CMAKE_C_FLAGS "${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${CMAKE_C_FLAGS}")
703 set(CMAKE_CXX_FLAGS "${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
704 set(CMAKE_EXE_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
705 set(CMAKE_SHARED_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
707 message("Recommended flags which are not added because GMX_SKIP_DEFAULT_CFLAGS=yes:")
708 message("CMAKE_C_FLAGS: ${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${GMXC_CFLAGS}")
709 message("CMAKE_C_FLAGS_RELEASE: ${GMXC_CFLAGS_RELEASE}")
710 message("CMAKE_C_FLAGS_DEBUG: ${GMXC_CFLAGS_DEBUG}")
711 message("CMAKE_CXX_FLAGS: ${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${GMXC_CXXFLAGS}")
712 message("CMAKE_CXX_FLAGS_RELEASE: ${GMXC_CXXFLAGS_RELEASE}")
713 message("CMAKE_CXX_FLAGS_DEBUG: ${GMXC_CXXFLAGS_DEBUG}")
714 message("CMAKE_EXE_LINKER_FLAGS: ${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS}")
715 message("CMAKE_SHARED_LINKER_FLAGS: ${MPI_LINKER_FLAGS}")
719 #Unset all OpenMP flags in case OpenMP was disabled either by the user
720 #or because it was only partially detected (e.g. only for C but not C++ compiler)
721 unset(OpenMP_C_FLAGS CACHE)
722 unset(OpenMP_CXX_FLAGS CACHE)
724 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} ${OpenMP_LINKER_FLAGS})
725 set(GMX_SHARED_LINKER_FLAGS ${GMX_SHARED_LINKER_FLAGS} ${OpenMP_SHARED_LINKER_FLAGS})
728 ########################################################################
729 # Specify install locations
730 ########################################################################
731 # Use GNUInstallDirs to set paths on multiarch systems.
732 include(GNUInstallDirs)
734 # Customization for the installation tree paths.
735 set(GMX_LIB_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING
736 "Library installation directory (default: ${CMAKE_INSTALL_LIBDIR})")
737 set(GMX_DATA_INSTALL_DIR gromacs CACHE STRING
738 "Data installation directory under share/ (default: gromacs)")
739 mark_as_advanced(GMX_LIB_INSTALL_DIR GMX_DATA_INSTALL_DIR)
741 # These variables are used internally to provide a central location for
742 # customizing the install locations.
743 set(LIB_INSTALL_DIR ${GMX_LIB_INSTALL_DIR})
744 set(BIN_INSTALL_DIR bin)
745 set(DATA_INSTALL_DIR share/${GMX_DATA_INSTALL_DIR})
746 set(MAN_INSTALL_DIR share/man)
747 # If the nesting level wrt. the installation root is changed,
748 # gromacs-config.cmake.cmakein needs to be adapted.
749 set(CMAKE_INSTALL_DIR share/cmake)
750 # TODO: Make GMXRC adapt if this is changed
751 set(PKGCONFIG_INSTALL_DIR ${LIB_INSTALL_DIR}/pkgconfig)
752 set(INCL_INSTALL_DIR include)
754 # These variables get written into config.h for use in finding the data
756 set(GMXLIB_SEARCH_DIR share/${GMX_DATA_INSTALL_DIR}/top)
757 set(GMXLIB_FALLBACK ${CMAKE_INSTALL_PREFIX}/${DATA_INSTALL_DIR}/top)
759 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${INCL_INSTALL_DIR})
761 # Binary and library suffix options
762 include(gmxManageSuffixes)
764 ################################################################
765 # Shared library load path settings
766 ################################################################
767 # CMake supports RPATH on OS X only from 2.8.12 upwards.
768 # CMAKE_SYSTEM_VERSION > 8.0 matches OS X 10.5 and above, where RPATH support
770 if((NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin") OR
771 ((CMAKE_SYSTEM_VERSION VERSION_GREATER 8.0) AND (NOT CMAKE_VERSION VERSION_LESS 2.8.12)))
772 # The build folder always has bin/ and lib/; if we are also going to
773 # install to lib/, then the installation RPATH works also in the build
774 # tree. This makes installation slightly faster (no need to rewrite the
775 # RPATHs), and makes the binaries in the build tree relocatable.
776 if(GMX_LIB_INSTALL_DIR STREQUAL "lib")
777 set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
779 # Set the RPATH as relative to the executable location to make the
780 # binaries relocatable.
781 if(NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
782 set(CMAKE_INSTALL_RPATH "\$ORIGIN/../${GMX_LIB_INSTALL_DIR}")
784 set(CMAKE_INSTALL_RPATH "@executable_path/../${GMX_LIB_INSTALL_DIR}")
786 set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
787 set(CMAKE_MACOSX_RPATH 1)
789 # We are on Darwin/OSX, and CMake cannot handle RPATHs automatically.
790 if(CMAKE_SYSTEM_VERSION VERSION_GREATER 8.0)
791 # Set the RPATH options manually.
792 set(CMAKE_INSTALL_NAME_DIR "@rpath")
793 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} "-Wl,-rpath,@executable_path/../${GMX_LIB_INSTALL_DIR}")
795 # Use the old INSTALL_NAME_DIR mechanism if RPATH is not supported.
796 set(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LIB_INSTALL_DIR}")
800 #COPYING file: Only necessary for binary distributions.
801 #Simpler to always install.
802 install(FILES COPYING DESTINATION ${DATA_INSTALL_DIR} COMPONENT data)
804 if(GMX_EXTERNAL_BOOST)
805 include_directories(${Boost_INCLUDE_DIRS})
806 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${Boost_INCLUDE_DIRS})
808 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src/external/boost)
809 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${INCL_INSTALL_DIR}/gromacs/external/boost)
810 list(APPEND INSTALLED_HEADED_DEFINITIONS "-DBOOST_NO_TYPEID")
811 # typeid not supported for minimal internal version
812 # (would add significant amount of code)
813 add_definitions(-DBOOST_NO_TYPEID)
814 if (NOT GMX_BUILD_MDRUN_ONLY)
815 install(DIRECTORY ${CMAKE_SOURCE_DIR}/src/external/boost/boost
816 DESTINATION ${INCL_INSTALL_DIR}/gromacs/external/boost
817 COMPONENT development)
821 if (GMX_BUILD_FOR_COVERAGE)
822 # Code heavy with asserts makes conditional coverage close to useless metric,
823 # as by design most of the false branches are impossible to trigger in
824 # correctly functioning code. And the benefit of testing those that could
825 # be triggered by using an API against its specification isn't usually
827 add_definitions(-DNDEBUG -DBOOST_DISABLE_ASSERTS -DGMX_DISABLE_ASSERTS)
831 # "tests" target builds all the separate test binaries.
832 add_custom_target(tests)
833 # "run-ctest" is an internal target that actually runs the tests.
834 # This is necessary to be able to add separate targets that execute as part
835 # of 'make check', but are ensured to be executed after the actual tests.
836 add_custom_target(run-ctest
837 COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
838 COMMENT "Running all tests"
840 add_dependencies(run-ctest tests)
841 # "check" target builds and runs all tests.
842 add_custom_target(check DEPENDS run-ctest)
845 if (NOT GMX_BUILD_MDRUN_ONLY)
846 add_subdirectory(docs)
847 add_subdirectory(share)
848 add_subdirectory(scripts)
850 add_subdirectory(src)
853 add_subdirectory(tests)
856 gmx_cpack_write_config()
858 # Issue a warning if NVIDIA GPUs were detected, but CUDA was not found.
859 # Don't bother the user after the first configure pass.
860 if ((CUDA_NOTFOUND_AUTO AND GMX_DETECT_GPU_AVAILABLE) AND NOT GMX_GPU_DETECTION_DONE)
861 message(WARNING "${CUDA_NOTFOUND_MESSAGE}")
863 set(GMX_GPU_DETECTION_DONE TRUE CACHE INTERNAL "Whether GPU detection has already been done")
865 #######################
867 #######################
868 CONFIGURE_FILE( "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
869 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake"
871 ###########################
872 ADD_CUSTOM_TARGET(uninstall
873 "${CMAKE_COMMAND}" -P
874 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake")
875 ###########################
876 set_directory_properties(PROPERTIES
877 ADDITIONAL_MAKE_CLEAN_FILES "install_manifest.txt")