2 # This file is part of the GROMACS molecular simulation package.
4 # Copyright (c) 2009,2010,2011,2012,2013,2014,2015, 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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27 # consider code for inclusion in the official distribution, but
28 # derived work must not be called official GROMACS. Details are found
29 # in the README & COPYING files - if they are missing, get the
30 # official version at http://www.gromacs.org.
32 # To help us fund GROMACS development, we humbly ask that you cite
33 # the research papers on the package. Check out http://www.gromacs.org.
35 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 inconsistencies; 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)" ${GMX_DOUBLE_DEFAULT})
145 option(GMX_RELAXED_DOUBLE_PRECISION "Accept single precision 1/sqrt(x) when using Fujitsu HPC-ACE SIMD" OFF)
146 mark_as_advanced(GMX_RELAXED_DOUBLE_PRECISION)
148 option(GMX_MPI "Build a parallel (message-passing) version of GROMACS" OFF)
149 option(GMX_THREAD_MPI "Build a thread-MPI-based multithreaded version of GROMACS (not compatible with MPI)" ON)
150 gmx_dependent_option(
152 "Enable MPI_IN_PLACE for MPIs that have it defined"
155 mark_as_advanced(GMX_MPI_IN_PLACE)
156 option(GMX_SOFTWARE_INVSQRT "Use GROMACS software 1/sqrt" ON)
157 mark_as_advanced(GMX_SOFTWARE_INVSQRT)
158 option(GMX_FAHCORE "Build a library with mdrun functionality" OFF)
159 mark_as_advanced(GMX_FAHCORE)
161 option(GMX_COOL_QUOTES "Enable Gromacs cool quotes" ON)
162 mark_as_advanced(GMX_COOL_QUOTES)
163 gmx_add_cache_dependency(GMX_COOL_QUOTES BOOL "NOT GMX_FAHCORE" OFF)
165 # Decide on GPU settings based on user-settings and GPU/CUDA detection.
166 # We support CUDA >=v4.0 on *nix, but <= v4.1 doesn't work with MSVC
168 set(REQUIRED_CUDA_VERSION 4.1)
170 set(REQUIRED_CUDA_VERSION 4.0)
172 set(REQUIRED_CUDA_COMPUTE_CAPABILITY 2.0)
173 include(gmxManageGPU)
175 include(gmxDetectSimd)
176 gmx_detect_simd(GMX_SUGGESTED_SIMD)
178 gmx_option_multichoice(
180 "SIMD instruction set for CPU kernels and compiler optimization"
181 "${GMX_SUGGESTED_SIMD}"
182 None SSE2 SSE4.1 AVX_128_FMA AVX_256 AVX2_256 AVX_512F AVX_512ER MIC ARM_NEON ARM_NEON_ASIMD IBM_QPX IBM_VMX IBM_VSX Sparc64_HPC_ACE Reference)
185 set(GMX_FFT_LIBRARY_DEFAULT "mkl")
187 set(GMX_FFT_LIBRARY_DEFAULT "fftw3")
190 gmx_option_multichoice(
193 "${GMX_FFT_LIBRARY_DEFAULT}"
194 fftw3 mkl "fftpack[built-in]")
195 gmx_dependent_option(
197 "Download and build FFTW 3 during the GROMACS build process, rather than fall back on the really slow fftpack."
199 "GMX_FFT_LIBRARY STREQUAL FFTW3")
200 gmx_dependent_option(
201 GMX_DISABLE_FFTW_MEASURE
202 "Do not optimize FFTW setups (not needed with SSE)"
204 "GMX_FFT_LIBRARY STREQUAL FFTW3")
205 mark_as_advanced(GMX_BUILD_OWN_FFTW)
206 mark_as_advanced(GMX_DISABLE_FFTW_MEASURE)
208 gmx_option_multichoice(
210 "QM package for QM/MM"
212 none gaussian mopac gamess orca)
214 gmx_dependent_cache_variable(GMX_SIMD_REF_FLOAT_WIDTH "Reference SIMD single precision width" STRING "4" "GMX_SIMD STREQUAL REFERENCE")
215 gmx_dependent_cache_variable(GMX_SIMD_REF_DOUBLE_WIDTH "Reference SIMD double precision width" STRING "2" "GMX_SIMD STREQUAL REFERENCE")
217 # This should be moved to a separate NBNXN cmake module when that code is cleaned up and modularized
219 option(GMX_BROKEN_CALLOC "Work around broken calloc()" OFF)
220 mark_as_advanced(GMX_BROKEN_CALLOC)
221 option(GMX_LOAD_PLUGINS "Compile with plugin support, needed to read VMD supported file formats" ON)
222 mark_as_advanced(GMX_LOAD_PLUGINS)
224 option(GMX_GPU "Enable GPU acceleration" ON)
225 option(GMX_OPENMP "Enable OpenMP-based multithreading" ON)
227 option(GMX_USE_TNG "Use the TNG library for trajectory I/O" ON)
229 option(GMX_BUILD_MDRUN_ONLY "Build and install only the mdrun binary" OFF)
231 option(GMX_CYCLE_SUBCOUNTERS "Enable cycle subcounters to get a more detailed cycle timings" OFF)
232 mark_as_advanced(GMX_CYCLE_SUBCOUNTERS)
234 option(GMX_SKIP_DEFAULT_CFLAGS "Don't automatically add suggested/required Compiler flags." OFF)
235 mark_as_advanced(GMX_SKIP_DEFAULT_CFLAGS)
237 option(GMX_BUILD_FOR_COVERAGE
238 "Tune build for better code coverage metrics (e.g., disable asserts)"
240 mark_as_advanced(GMX_BUILD_FOR_COVERAGE)
242 option(GMX_DEVELOPER_BUILD
243 "Enable Developer convenience features: always build unit-tests"
245 mark_as_advanced(GMX_DEVELOPER_BUILD)
247 ######################################################################
248 # Detect OpenMP support
249 ######################################################################
250 # The OpenMP detection _must_ come before tests for other CFLAGS.
251 include(gmxManageOpenMP)
255 ######################################################################
257 # These need to be done early (before further tests).
258 #####################################################################
260 # The cmake/Check{C,CXX}CompilerFlag.cmake files in the GROMACS distribution
261 # are used with permission from CMake v3.0.0 so that GROMACS can detect
262 # invalid options with the Intel Compilers, and we have added a line
263 # to detect warnings with the Fujitsu compilers on K computer and ICC.
264 # CMake-3.0 also has a bug where the FAIL_REGEX pattern for AIX contains
265 # a semicolon. Since this is also used as a separator in lists inside CMake,
266 # that string ends up being split into two separate patterns, and the last
267 # part is just a single word that also matches other messages. We solved this
268 # by replacing the semicolon with a period that matches any character.
270 # These files should be removed from the source tree when a CMake version that
271 # includes the features in question becomes required for building GROMACS.
272 include(CheckCCompilerFlag)
273 include(CheckCXXCompilerFlag)
278 # This variable should be used for additional compiler flags which are not
279 # generated in gmxCFlags nor are SIMD or MPI related.
280 set(EXTRA_C_FLAGS "")
281 set(EXTRA_CXX_FLAGS "")
283 # Run through a number of tests for buggy compilers and other issues
284 include(gmxTestCompilerProblems)
285 gmx_test_compiler_problems()
286 # GMX_SIMD will not be set automatically until the second
287 # pass (which is not strictly guaranteed to occur), so putting this
288 # check here among logically-related tests is inefficient, but the
289 # potential loss is likely zero.
290 if(GMX_SIMD STREQUAL "AVX_256"
291 AND CMAKE_COMPILER_IS_GNUCC
292 AND (C_COMPILER_VERSION VERSION_EQUAL "4.6.1"
293 OR CXX_COMPILER_VERSION VERSION_EQUAL "4.6.1"))
294 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")
295 # See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49002
300 add_definitions(-DGMX_DOUBLE)
301 list(APPEND INSTALLED_HEADER_DEFINITIONS "-DGMX_DOUBLE")
302 if(GMX_RELAXED_DOUBLE_PRECISION)
303 add_definitions(-DGMX_RELAXED_DOUBLE_PRECISION)
306 if(GMX_SOFTWARE_INVSQRT)
307 list(APPEND INSTALLED_HEADER_DEFINITIONS "-DGMX_SOFTWARE_INVSQRT")
311 list(APPEND GMX_EXTRA_LIBRARIES "wsock32")
312 add_definitions(-DGMX_HAVE_WINSOCK)
317 ########################################################################
318 # Basic system tests (standard libraries, headers, functions, types) #
319 ########################################################################
320 include(CheckIncludeFiles)
321 include(CheckIncludeFileCXX)
322 check_include_files(unistd.h HAVE_UNISTD_H)
323 check_include_files(pwd.h HAVE_PWD_H)
324 check_include_files(dirent.h HAVE_DIRENT_H)
325 check_include_files(time.h HAVE_TIME_H)
326 check_include_files(sys/time.h HAVE_SYS_TIME_H)
327 check_include_files(io.h HAVE_IO_H)
328 check_include_files(sched.h HAVE_SCHED_H)
330 check_include_files(regex.h HAVE_POSIX_REGEX)
331 check_include_file_cxx(regex HAVE_CXX11_REGEX)
332 # TODO: It could be nice to inform the user if no regex support is found,
333 # as selections won't be fully functional.
335 include(CheckFunctionExists)
336 check_function_exists(posix_memalign HAVE_POSIX_MEMALIGN)
337 check_function_exists(memalign HAVE_MEMALIGN)
338 check_function_exists(_aligned_malloc HAVE__ALIGNED_MALLOC)
339 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
340 check_function_exists(fsync HAVE_FSYNC)
341 check_function_exists(_fileno HAVE__FILENO)
342 check_function_exists(fileno HAVE_FILENO)
343 check_function_exists(_commit HAVE__COMMIT)
344 check_function_exists(sigaction HAVE_SIGACTION)
345 check_function_exists(sysconf HAVE_SYSCONF)
346 check_function_exists(rsqrt HAVE_RSQRT)
347 check_function_exists(rsqrtf HAVE_RSQRTF)
348 check_function_exists(sqrtf HAVE_SQRTF)
349 check_function_exists(nice HAVE_NICE)
351 include(CheckLibraryExists)
352 check_library_exists(m sqrt "" HAVE_LIBM)
353 check_library_exists(rt clock_gettime "" HAVE_CLOCK_GETTIME)
354 check_library_exists(m feenableexcept "" HAVE_FEENABLEEXCEPT)
356 include(TestSchedAffinity)
357 test_sched_affinity(HAVE_SCHED_AFFINITY)
359 include(TestBigEndian)
360 test_big_endian(GMX_INTEGER_BIG_ENDIAN)
363 if (HAVE_UNISTD_H AND HAVE_NICE)
367 # Management of GROMACS options for specific toolchains should go
368 # here. Because the initial settings for some of the main options have
369 # already happened, but things like library detection and MPI compiler
370 # feature detection have not, the docstrings for any over-rides of
371 # GROMACS defaults or user settings will make sense. Also, any
372 # toolchain-related reasons for choosing whether to detect various
373 # things can be sorted out now, before the detection takes place.
374 if(${CMAKE_SYSTEM_NAME} MATCHES BlueGene)
375 include(gmxManageBlueGene)
378 if(GMX_TARGET_FUJITSU_SPARC64)
379 include(gmxManageFujitsuSparc64)
382 ########################################################################
383 #Process MPI settings
384 ########################################################################
385 include(gmxManageMPI)
388 ########################################################################
389 #Process shared/static library settings
390 ########################################################################
391 include(gmxManageSharedLibraries)
394 ########################################################################
395 # Find external packages #
396 ########################################################################
398 # Unconditionally find the package, as it is also required for unit
399 # tests. This exports LIBXML2_FOUND, which we should not use because
400 # it does not tell us that linking will succeed. Instead, we test that
402 if(DEFINED LIBXML2_LIBRARIES)
403 set(LibXml2_FIND_QUIETLY TRUE)
405 find_package(LibXml2)
406 include(gmxTestLibXml2)
407 gmx_test_libxml2(HAVE_LIBXML2)
408 option(GMX_XML "Use libxml2 to parse xml files (currently has no effect)" ${HAVE_LIBXML2})
410 mark_as_advanced(GMX_XML)
411 # Don't actually do anything, since libxml2 is currently not used by libgromacs
412 #if(GMX_XML AND NOT HAVE_LIBXML2)
413 # message(FATAL_ERROR "libxml2 not found. Set GMX_XML=OFF to compile without XML support")
416 # include_directories(${LIBXML2_INCLUDE_DIR})
417 # set(PKG_XML libxml-2.0)
418 # set(XML_LIBRARIES ${LIBXML2_LIBRARIES})
421 option(GMX_EXTRAE "Add support for tracing using EXTRAE" OFF)
422 mark_as_advanced(GMX_EXTRAE)
427 include_directories(${EXTRAE_INCLUDE_DIR})
430 message(FATAL_ERROR "EXTRAE library was not found. Please add the correct path to CMAKE_PREFIX_PATH")
434 option(GMX_X11 "Use X window system" OFF)
437 # X11 includes/libraries are only set in the ngmx subdirectory!
440 "X11 include files and/or libraries were not found. "
441 "Set GMX_X11=OFF to compile without X11 support. "
442 "gmx view will not be available.")
444 include_directories(${X11_INCLUDE_DIR})
448 # Enable core threading facilities
449 tmpi_enable_core("${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include")
450 # Enable tMPI C++ support
453 # enable MPI functions
455 set(MPI_IN_PLACE_EXISTS 1)
457 # If atomics are manually disabled a define is needed because atomics.h doesn't depend on config.h
458 if (TMPI_ATOMICS_DISABLED)
459 add_definitions(-DTMPI_ATOMICS_DISABLED)
463 # now that we have detected the dependencies, do the second configure pass
472 set(GMX_NATIVE_WINDOWS 1)
473 # This makes windows.h not declare min/max as macros that would break
474 # C++ code using std::min/std::max.
475 add_definitions(-DNOMINMAX)
478 # Detect boost unless GMX_EXTERNAL_BOOST is explicitly OFF
479 # Used for default if GMX_EXTERNAL_BOOST is not defined (first CMake pass)
480 if(NOT DEFINED GMX_EXTERNAL_BOOST OR GMX_EXTERNAL_BOOST)
481 if(DEFINED Boost_INCLUDE_DIR)
482 set(Boost_FIND_QUIETLY TRUE)
484 find_package(Boost 1.44.0)
485 if(Boost_FOUND AND Boost_VERSION VERSION_LESS "104400")
486 set(Boost_FOUND FALSE)
488 # Print the notification only on first run, when determining the default
489 if(NOT DEFINED GMX_EXTERNAL_BOOST AND NOT Boost_FOUND)
490 message("Boost >= 1.44 not found. Using minimal internal version. "
491 "This may cause trouble if you plan on compiling/linking other "
492 "software that uses Boost against Gromacs.")
495 option(GMX_EXTERNAL_BOOST "Use external Boost instead of minimal built-in version"
497 if(GMX_EXTERNAL_BOOST AND NOT Boost_FOUND)
499 "Boost >= 1.44 not found. "
500 "You can set GMX_EXTERNAL_BOOST=OFF to compile against minimal "
501 "version of Boost included with Gromacs.")
504 if(NOT DEFINED GMX_BUILD_UNITTESTS AND NOT HAVE_LIBXML2)
505 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.")
507 option(GMX_BUILD_UNITTESTS "Build unit tests with BUILD_TESTING (uses Google C++ Testing and Mocking Frameworks, requires libxml2)" ${HAVE_LIBXML2})
508 mark_as_advanced(GMX_BUILD_UNITTESTS)
509 gmx_add_cache_dependency(GMX_BUILD_UNITTESTS BOOL BUILD_TESTING OFF)
510 if (GMX_BUILD_UNITTESTS AND NOT HAVE_LIBXML2)
512 "Cannot build unit tests without libxml2. "
513 "Either set GMX_BUILD_UNITTESTS=OFF or tell CMake how to find a working version of libxml2.")
516 if(GMX_USE_TNG AND NOT GMX_EXTERNAL_TNG)
517 # TNG wants zlib if it is available
518 find_package(ZLIB QUIET)
520 gmx_test_zlib(HAVE_ZLIB)
523 ########################################################################
524 # Our own GROMACS tests
525 ########################################################################
527 add_definitions( -DHAVE_CONFIG_H )
528 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src)
529 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include)
530 # Required for config.h, maybe should only be set in src/CMakeLists.txt
531 include_directories(BEFORE ${CMAKE_BINARY_DIR}/src)
533 include(gmxTestInlineASM)
534 gmx_test_inline_asm_gcc_x86(GMX_X86_GCC_INLINE_ASM)
536 include(gmxSetBuildInformation)
537 gmx_set_build_information()
539 # - the build system's CPU supports it
540 # - the acceleration is set to AVX as all AVX-capable CPUs support AVX (which
541 # at this point means that the user set it).
542 # Note: it's better to not use the later set value of GMX_SIMD because
543 # it reflects the system's capability of both compiling and running AVX code.
544 # TODO: After merge with 5.0 one could implement a cache variable dependency
545 # such that GMX_USE_RDTSCP can change if GMX_SIMD is changed to AVX
546 # after the first cmake pass.
547 if (BUILD_CPU_FEATURES MATCHES "rdtscp" OR GMX_SIMD MATCHES "AVX")
548 set(GMX_USE_RDTSCP_DEFAULT_VALUE ON)
550 set(GMX_USE_RDTSCP_DEFAULT_VALUE OFF)
552 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)" ${GMX_USE_RDTSCP_DEFAULT_VALUE})
553 mark_as_advanced(GMX_USE_RDTSCP)
558 include(gmxTestFloatFormat)
559 gmx_test_float_format(GMX_FLOAT_FORMAT_IEEE754
560 GMX_IEEE754_BIG_ENDIAN_BYTE_ORDER
561 GMX_IEEE754_BIG_ENDIAN_WORD_ORDER)
563 include(gmxTestLargeFiles)
564 gmx_test_large_files(GMX_LARGEFILES)
566 include(gmxTestSignal)
567 gmx_test_sigusr1(HAVE_SIGUSR1)
569 include(gmxTestPipes)
570 gmx_test_pipes(HAVE_PIPES)
572 include(gmxTestIsfinite)
573 gmx_test_isfinite(HAVE_ISFINITE)
574 gmx_test__isfinite(HAVE__ISFINITE)
575 gmx_test__finite(HAVE__FINITE)
577 include(gmxTestCXX11)
578 gmx_test_cxx11(GMX_CXX11_SUPPORTED GMX_CXX11_FLAGS)
579 include(CMakeDependentOption)
580 # clang with some older versions of boost fail to work with C++11
581 if(CMAKE_CXX_COMPILER_ID MATCHES Clang AND
582 (Boost_VERSION VERSION_EQUAL 104601 OR Boost_VERSION VERSION_EQUAL 104700))
583 set(CLANG_AND_OLD_EXTERNAL_BOOST TRUE)
585 # nvcc does not support C++11 flags, so with GPUs we prefer to skip C++11 flags
586 # entirely to keep the compilation environment uniform.
587 cmake_dependent_option(GMX_CXX11
589 ON "GMX_CXX11_SUPPORTED AND NOT GMX_GPU AND NOT CLANG_AND_OLD_EXTERNAL_BOOST" OFF)
590 mark_as_advanced(GMX_CXX11)
592 set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} ${GMX_CXX11_FLAGS}")
597 gmx_test_xdr(GMX_SYSTEM_XDR)
598 if(NOT GMX_SYSTEM_XDR)
599 set(GMX_INTERNAL_XDR 1)
603 ##################################################
604 # Process SIMD instruction settings
605 ##################################################
606 # This checks what flags to add in order to
607 # support the SIMD instructions we need, and sets
608 # correct defines for the SIMD instructions supported.
613 # Process QM/MM Settings
614 if(${GMX_QMMM_PROGRAM} STREQUAL "GAUSSIAN")
615 set(GMX_QMMM_GAUSSIAN 1)
616 elseif(${GMX_QMMM_PROGRAM} STREQUAL "MOPAC")
617 set(GMX_QMMM_MOPAC 1)
618 elseif(${GMX_QMMM_PROGRAM} STREQUAL "GAMESS")
619 set(GMX_QMMM_GAMESS 1)
620 elseif(${GMX_QMMM_PROGRAM} STREQUAL "ORCA")
622 elseif(${GMX_QMMM_PROGRAM} STREQUAL "NONE")
625 gmx_invalid_option_value(GMX_QMMM_PROGRAM)
629 ##################################################
630 # Process FFT library settings
631 ##################################################
632 include(gmxManageFFTLibraries)
635 include(gmxManageLinearAlgebraLibraries)
637 # Whether GROMACS will really try to compile support for VMD plugins
638 set(GMX_USE_PLUGINS OFF)
642 # Native Windows does not have, nor need dlopen
643 include(gmxTestdlopen)
644 gmx_test_dlopen(HAVE_DLOPEN)
647 # so, should we use plug-ins?
648 if(WIN32 OR (HAVE_DLOPEN AND BUILD_SHARED_LIBS))
650 MESSAGE(STATUS "Using dynamic plugins (e.g VMD-supported file formats)")
652 if(NOT GMX_VMD_PLUGIN_PATH)
655 set(GMX_USE_PLUGINS ON)
656 list(APPEND GMX_EXTRA_LIBRARIES ${CMAKE_DL_LIBS}) # magic cross-platform pre-set variable for dlopen library
657 set(PKG_DL_LIBS "-l${CMAKE_DL_LIBS}")
662 set(VMD_QUIETLY TRUE CACHE INTERNAL "")
664 # Link real-time library for POSIX timers. The check for clock_gettime
665 # confirms the linkability of rt.
666 if(HAVE_TIME_H AND HAVE_UNISTD_H AND HAVE_CLOCK_GETTIME)
667 list(APPEND GMX_EXTRA_LIBRARIES rt)
670 # Math and thread libraries must often come after all others when linking...
672 list(APPEND GMX_EXTRA_LIBRARIES m)
675 option(GMX_NACL "Configure for Native Client builds" OFF)
677 list(APPEND GMX_EXTRA_LIBRARIES nosys)
678 set(GMX_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lnosys")
679 # TODO: Is this still necessary with the check for its presence?
683 mark_as_advanced(GMX_NACL)
686 set(COREWRAP_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/../corewrap" CACHE STRING
687 "Path to swindirect.h")
688 include_directories(${COREWRAP_INCLUDE_DIR})
691 # Value of AUTO tries to generate things, but will only produce warnings if
693 set(build_help_default AUTO)
694 if (SOURCE_IS_SOURCE_DISTRIBUTION)
695 set(build_help_default OFF)
697 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)" ${build_help_default})
698 mark_as_advanced(GMX_BUILD_HELP)
699 if (GMX_BUILD_HELP AND SOURCE_IS_SOURCE_DISTRIBUTION AND BUILD_IS_INSOURCE)
701 "Rebuilding shell completions or man pages is not supported for "
702 "in-source builds from a source distribution. "
703 "Set GMX_BUILD_HELP=OFF or do an out-of-source build to proceed.")
706 # # # # # # # # # # NO MORE TESTS AFTER THIS LINE! # # # # # # # # # # #
707 # these are set after everything else
708 if (NOT GMX_SKIP_DEFAULT_CFLAGS)
709 set(CMAKE_C_FLAGS "${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${CMAKE_C_FLAGS}")
710 set(CMAKE_CXX_FLAGS "${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
711 set(CMAKE_EXE_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
712 set(CMAKE_SHARED_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
714 message("Recommended flags which are not added because GMX_SKIP_DEFAULT_CFLAGS=yes:")
715 message("CMAKE_C_FLAGS: ${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${GMXC_CFLAGS}")
716 message("CMAKE_C_FLAGS_RELEASE: ${GMXC_CFLAGS_RELEASE}")
717 message("CMAKE_C_FLAGS_DEBUG: ${GMXC_CFLAGS_DEBUG}")
718 message("CMAKE_CXX_FLAGS: ${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${GMXC_CXXFLAGS}")
719 message("CMAKE_CXX_FLAGS_RELEASE: ${GMXC_CXXFLAGS_RELEASE}")
720 message("CMAKE_CXX_FLAGS_DEBUG: ${GMXC_CXXFLAGS_DEBUG}")
721 message("CMAKE_EXE_LINKER_FLAGS: ${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS}")
722 message("CMAKE_SHARED_LINKER_FLAGS: ${MPI_LINKER_FLAGS}")
726 #Unset all OpenMP flags in case OpenMP was disabled either by the user
727 #or because it was only partially detected (e.g. only for C but not C++ compiler)
728 unset(OpenMP_C_FLAGS CACHE)
729 unset(OpenMP_CXX_FLAGS CACHE)
731 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} ${OpenMP_LINKER_FLAGS})
732 set(GMX_SHARED_LINKER_FLAGS ${GMX_SHARED_LINKER_FLAGS} ${OpenMP_SHARED_LINKER_FLAGS})
735 ########################################################################
736 # Specify install locations
737 ########################################################################
738 # Use GNUInstallDirs to set paths on multiarch systems.
739 include(GNUInstallDirs)
741 # Customization for the installation tree paths.
742 set(GMX_LIB_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING
743 "Library installation directory (default: ${CMAKE_INSTALL_LIBDIR})")
744 set(GMX_DATA_INSTALL_DIR gromacs CACHE STRING
745 "Data installation directory under share/ (default: gromacs)")
746 mark_as_advanced(GMX_LIB_INSTALL_DIR GMX_DATA_INSTALL_DIR)
748 # These variables are used internally to provide a central location for
749 # customizing the install locations.
750 set(LIB_INSTALL_DIR ${GMX_LIB_INSTALL_DIR})
751 set(BIN_INSTALL_DIR bin)
752 # This variable also gets written into config.h for use in finding the data
754 set(DATA_INSTALL_DIR share/${GMX_DATA_INSTALL_DIR})
755 set(MAN_INSTALL_DIR share/man)
756 # If the nesting level wrt. the installation root is changed,
757 # gromacs-config.cmake.cmakein needs to be adapted.
758 set(CMAKE_INSTALL_DIR share/cmake)
759 # TODO: Make GMXRC adapt if this is changed
760 set(PKGCONFIG_INSTALL_DIR ${LIB_INSTALL_DIR}/pkgconfig)
761 set(INCL_INSTALL_DIR include)
763 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${INCL_INSTALL_DIR})
765 # Binary and library suffix options
766 include(gmxManageSuffixes)
768 ################################################################
769 # Shared library load path settings
770 ################################################################
771 # CMake supports RPATH on OS X only from 2.8.12 upwards.
772 # CMAKE_SYSTEM_VERSION > 8.0 matches OS X 10.5 and above, where RPATH support
774 if((NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin") OR
775 ((CMAKE_SYSTEM_VERSION VERSION_GREATER 8.0) AND (NOT CMAKE_VERSION VERSION_LESS 2.8.12)))
776 # The build folder always has bin/ and lib/; if we are also going to
777 # install to lib/, then the installation RPATH works also in the build
778 # tree. This makes installation slightly faster (no need to rewrite the
779 # RPATHs), and makes the binaries in the build tree relocatable.
780 if(GMX_LIB_INSTALL_DIR STREQUAL "lib")
781 set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
783 # Set the RPATH as relative to the executable location to make the
784 # binaries relocatable.
785 if(NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
786 set(CMAKE_INSTALL_RPATH "\$ORIGIN/../${GMX_LIB_INSTALL_DIR}")
788 set(CMAKE_INSTALL_RPATH "@executable_path/../${GMX_LIB_INSTALL_DIR}")
790 set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
791 set(CMAKE_MACOSX_RPATH 1)
793 # We are on Darwin/OSX, and CMake cannot handle RPATHs automatically.
794 if(CMAKE_SYSTEM_VERSION VERSION_GREATER 8.0)
795 # Set the RPATH options manually.
796 set(CMAKE_INSTALL_NAME_DIR "@rpath")
797 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} "-Wl,-rpath,@executable_path/../${GMX_LIB_INSTALL_DIR}")
799 # Use the old INSTALL_NAME_DIR mechanism if RPATH is not supported.
800 set(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LIB_INSTALL_DIR}")
804 #COPYING file: Only necessary for binary distributions.
805 #Simpler to always install.
806 install(FILES COPYING DESTINATION ${DATA_INSTALL_DIR} COMPONENT data)
808 if(GMX_EXTERNAL_BOOST)
809 include_directories(${Boost_INCLUDE_DIRS})
810 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${Boost_INCLUDE_DIRS})
812 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src/external/boost)
813 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${INCL_INSTALL_DIR}/gromacs/external/boost)
814 list(APPEND INSTALLED_HEADED_DEFINITIONS "-DBOOST_NO_TYPEID")
815 # typeid not supported for minimal internal version
816 # (would add significant amount of code)
817 add_definitions(-DBOOST_NO_TYPEID)
818 if (NOT GMX_BUILD_MDRUN_ONLY)
819 install(DIRECTORY ${CMAKE_SOURCE_DIR}/src/external/boost/boost
820 DESTINATION ${INCL_INSTALL_DIR}/gromacs/external/boost
821 COMPONENT development)
825 if (GMX_BUILD_FOR_COVERAGE)
826 # Code heavy with asserts makes conditional coverage close to useless metric,
827 # as by design most of the false branches are impossible to trigger in
828 # correctly functioning code. And the benefit of testing those that could
829 # be triggered by using an API against its specification isn't usually
831 add_definitions(-DNDEBUG -DBOOST_DISABLE_ASSERTS -DGMX_DISABLE_ASSERTS)
835 # "tests" target builds all the separate test binaries.
836 add_custom_target(tests)
837 # "run-ctest" is an internal target that actually runs the tests.
838 # This is necessary to be able to add separate targets that execute as part
839 # of 'make check', but are ensured to be executed after the actual tests.
840 add_custom_target(run-ctest
841 COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
842 COMMENT "Running all tests"
844 add_dependencies(run-ctest tests)
845 # "check" target builds and runs all tests.
846 add_custom_target(check DEPENDS run-ctest)
849 if (NOT GMX_BUILD_MDRUN_ONLY)
850 add_subdirectory(docs)
851 add_subdirectory(share)
852 add_subdirectory(scripts)
854 add_subdirectory(src)
857 add_subdirectory(tests)
860 gmx_cpack_write_config()
862 # Issue a warning if NVIDIA GPUs were detected, but CUDA was not found.
863 # Don't bother the user after the first configure pass.
864 if ((CUDA_NOTFOUND_AUTO AND GMX_DETECT_GPU_AVAILABLE) AND NOT GMX_GPU_DETECTION_DONE)
865 message(WARNING "${CUDA_NOTFOUND_MESSAGE}")
867 set(GMX_GPU_DETECTION_DONE TRUE CACHE INTERNAL "Whether GPU detection has already been done")
869 #######################
871 #######################
872 CONFIGURE_FILE( "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
873 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake"
875 ###########################
876 ADD_CUSTOM_TARGET(uninstall
877 "${CMAKE_COMMAND}" -P
878 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake")
879 ###########################
880 set_directory_properties(PROPERTIES
881 ADDITIONAL_MAKE_CLEAN_FILES "install_manifest.txt")