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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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 ${CMAKE_BINARY_DIR}/bin)
51 # Set up common version variables, as well as general information about
52 # the build tree (whether the build is from a source package or from a git
53 # repository). Also declares a few functions that will be used for generating
54 # version info files later.
55 include(gmxVersionInfo)
57 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND UNIX)
58 set(CMAKE_INSTALL_PREFIX "/usr/local/gromacs" CACHE STRING "Installation prefix (installation will need write permissions here)" FORCE)
60 if("${CMAKE_INSTALL_PREFIX}" STREQUAL "${CMAKE_BINARY_DIR}")
61 message(FATAL_ERROR "GROMACS cannot be installed into the build tree, choose a different location for CMAKE_INSTALL_PREFIX")
64 include(gmxBuildTypeReference)
65 include(gmxBuildTypeProfile)
66 include(gmxBuildTypeTSAN)
67 include(gmxBuildTypeASAN)
68 include(gmxBuildTypeMSAN)
69 include(gmxBuildTypeReleaseWithAssert)
71 if(NOT CMAKE_BUILD_TYPE)
72 set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel Reference RelWithAssert Profile." FORCE)
73 # There's no need to offer a user the choice of ThreadSanitizer
74 # Set the possible values of build type for cmake-gui
75 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
76 "MinSizeRel" "RelWithDebInfo" "Reference" "RelWithAssert" "Profile")
78 if(CMAKE_CONFIGURATION_TYPES)
79 # Add appropriate GROMACS-specific build types for the Visual
80 # Studio generator (Debug, Release, MinSizeRel and RelWithDebInfo
81 # are already present by default).
82 list(APPEND CMAKE_CONFIGURATION_TYPES "RelWithAssert" "Reference")
83 list(REMOVE_DUPLICATES CMAKE_CONFIGURATION_TYPES)
84 set(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING
85 "List of configuration types"
88 set(build_types_with_explicit_flags RELEASE DEBUG RELWITHDEBINFO RELWITHASSERT MINSIZEREL PROFILE)
90 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS ON)
92 # Set a default valgrind suppression file.
93 # This unfortunately needs to duplicate information from CTest to work as
95 set(MEMORYCHECK_SUPPRESSIONS_FILE
96 "${CMAKE_SOURCE_DIR}/cmake/legacy_and_external.supp"
98 "File that contains suppressions for the memory checker")
101 include(gmxCPackUtilities)
104 # Variables that accumulate stuff influencing the installed headers
105 set(INSTALLED_HEADER_INCLUDE_DIRS "")
106 set(INSTALLED_HEADER_DEFINITIONS "")
108 ########################################################################
109 # Check and warn if cache generated on a different host is being reused
110 ########################################################################
112 execute_process(COMMAND hostname
113 OUTPUT_VARIABLE TMP_HOSTNAME
114 OUTPUT_STRIP_TRAILING_WHITESPACE)
115 if(GMX_BUILD_HOSTNAME AND NOT "${GMX_BUILD_HOSTNAME}" STREQUAL "${TMP_HOSTNAME}")
117 The CMake cache, probably generated on a different host (${GMX_BUILD_HOSTNAME}),
118 is being reused! This could lead to inconsistencies; therefore, it is
119 recommended to regenerate the cache!")
121 set(GMX_BUILD_HOSTNAME "${TMP_HOSTNAME}" CACHE INTERNAL
122 "Hostname of the machine where the cache was generated.")
125 ########################################################################
126 # Detect architecture before setting options so we can alter defaults
127 ########################################################################
128 # Detect the architecture the compiler is targetting, detect
129 # SIMD instructions possibilities on that hardware, suggest SIMD instruction set
130 # to use if none is specified, and populate the cache option for CPU
132 include(gmxDetectTargetArchitecture)
133 gmx_detect_target_architecture()
135 ########################################################################
136 # User input options #
137 ########################################################################
138 include(gmxOptionUtilities)
140 set(CMAKE_PREFIX_PATH "" CACHE STRING "Extra locations to search for external libraries and tools (give directory without lib, bin, or include)")
142 if(GMX_TARGET_FUJITSU_SPARC64)
143 # Fujitsu only has SIMD in double precision, so this will be faster
144 set(GMX_DOUBLE_DEFAULT ON)
146 set(GMX_DOUBLE_DEFAULT OFF)
148 option(GMX_DOUBLE "Use double precision (much slower, use only if you really need it)" ${GMX_DOUBLE_DEFAULT})
149 option(GMX_RELAXED_DOUBLE_PRECISION "Accept single precision 1/sqrt(x) when using Fujitsu HPC-ACE SIMD" OFF)
150 mark_as_advanced(GMX_RELAXED_DOUBLE_PRECISION)
152 option(GMX_MPI "Build a parallel (message-passing) version of GROMACS" OFF)
153 option(GMX_THREAD_MPI "Build a thread-MPI-based multithreaded version of GROMACS (not compatible with MPI)" ON)
154 gmx_dependent_option(
156 "Enable MPI_IN_PLACE for MPIs that have it defined"
159 mark_as_advanced(GMX_MPI_IN_PLACE)
160 option(GMX_SOFTWARE_INVSQRT "Use GROMACS software 1/sqrt" ON)
161 mark_as_advanced(GMX_SOFTWARE_INVSQRT)
162 option(GMX_FAHCORE "Build a library with mdrun functionality" OFF)
163 mark_as_advanced(GMX_FAHCORE)
165 option(GMX_COOL_QUOTES "Enable GROMACS cool quotes" ON)
166 mark_as_advanced(GMX_COOL_QUOTES)
167 gmx_add_cache_dependency(GMX_COOL_QUOTES BOOL "NOT GMX_FAHCORE" OFF)
169 option(GMX_USE_OPENCL "Enable OpenCL acceleration" OFF)
171 # Decide on GPU settings based on user-settings and GPU/CUDA detection.
172 # We support CUDA >=v4.0 on *nix, but <= v4.1 doesn't work with MSVC
174 set(REQUIRED_CUDA_VERSION 4.1)
176 set(REQUIRED_CUDA_VERSION 4.0)
178 set(REQUIRED_CUDA_COMPUTE_CAPABILITY 2.0)
180 # OpenCL required version: 1.1 or newer
181 set(REQUIRED_OPENCL_MIN_VERSION 1.1)
183 if(NOT GMX_USE_OPENCL)
184 # CUDA detection is done only if GMX_USE_OPENCL is OFF
185 include(gmxManageGPU)
189 include(gmxManageOpenCL)
191 message(FATAL_ERROR "OpenCL requested but GPU option is not enabled (try -DGMX_GPU=on) ")
195 include(gmxDetectSimd)
196 gmx_detect_simd(GMX_SUGGESTED_SIMD)
198 gmx_option_multichoice(
200 "SIMD instruction set for CPU kernels and compiler optimization"
201 "${GMX_SUGGESTED_SIMD}"
202 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)
205 set(GMX_FFT_LIBRARY_DEFAULT "mkl")
207 set(GMX_FFT_LIBRARY_DEFAULT "fftw3")
210 gmx_option_multichoice(
213 "${GMX_FFT_LIBRARY_DEFAULT}"
214 fftw3 mkl "fftpack[built-in]")
215 gmx_dependent_option(
217 "Download and build FFTW 3 during the GROMACS build process, rather than fall back on the really slow fftpack."
219 "GMX_FFT_LIBRARY STREQUAL FFTW3")
220 gmx_dependent_option(
221 GMX_DISABLE_FFTW_MEASURE
222 "Do not optimize FFTW setups (not needed with SSE)"
224 "GMX_FFT_LIBRARY STREQUAL FFTW3")
225 mark_as_advanced(GMX_BUILD_OWN_FFTW)
226 mark_as_advanced(GMX_DISABLE_FFTW_MEASURE)
228 gmx_option_multichoice(
230 "QM package for QM/MM"
232 none gaussian mopac gamess orca)
234 gmx_dependent_cache_variable(GMX_SIMD_REF_FLOAT_WIDTH "Reference SIMD single precision width" STRING "4" "GMX_SIMD STREQUAL REFERENCE")
235 gmx_dependent_cache_variable(GMX_SIMD_REF_DOUBLE_WIDTH "Reference SIMD double precision width" STRING "2" "GMX_SIMD STREQUAL REFERENCE")
237 # This should be moved to a separate NBNXN cmake module when that code is cleaned up and modularized
239 option(GMX_BROKEN_CALLOC "Work around broken calloc()" OFF)
240 mark_as_advanced(GMX_BROKEN_CALLOC)
241 option(GMX_LOAD_PLUGINS "Compile with plugin support, needed to read VMD supported file formats" ON)
242 mark_as_advanced(GMX_LOAD_PLUGINS)
244 option(GMX_GPU "Enable GPU acceleration" ON)
245 option(GMX_OPENMP "Enable OpenMP-based multithreading" ON)
247 option(GMX_USE_TNG "Use the TNG library for trajectory I/O" ON)
249 option(GMX_BUILD_MDRUN_ONLY "Build and install only the mdrun binary" OFF)
251 option(GMX_CYCLE_SUBCOUNTERS "Enable cycle subcounters to get a more detailed cycle timings" OFF)
252 mark_as_advanced(GMX_CYCLE_SUBCOUNTERS)
254 option(GMX_SKIP_DEFAULT_CFLAGS "Don't automatically add suggested/required Compiler flags." OFF)
255 mark_as_advanced(GMX_SKIP_DEFAULT_CFLAGS)
257 option(GMX_BUILD_FOR_COVERAGE
258 "Tune build for better code coverage metrics (e.g., disable asserts)"
260 mark_as_advanced(GMX_BUILD_FOR_COVERAGE)
262 option(GMX_DEVELOPER_BUILD
263 "Enable Developer convenience features: always build unit-tests"
265 mark_as_advanced(GMX_DEVELOPER_BUILD)
267 option(GMX_BUILD_SHARED_EXE
268 "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."
270 mark_as_advanced(GMX_BUILD_SHARED_EXE)
272 ######################################################################
273 # Detect OpenMP support
274 ######################################################################
275 # The OpenMP detection _must_ come before tests for other CFLAGS.
276 include(gmxManageOpenMP)
280 ######################################################################
282 # These need to be done early (before further tests).
283 #####################################################################
285 # The cmake/Check{C,CXX}CompilerFlag.cmake files in the GROMACS distribution
286 # are used with permission from CMake v3.0.0 so that GROMACS can detect
287 # invalid options with the Intel Compilers, and we have added a line
288 # to detect warnings with the Fujitsu compilers on K computer and ICC.
289 # CMake-3.0 also has a bug where the FAIL_REGEX pattern for AIX contains
290 # a semicolon. Since this is also used as a separator in lists inside CMake,
291 # that string ends up being split into two separate patterns, and the last
292 # part is just a single word that also matches other messages. We solved this
293 # by replacing the semicolon with a period that matches any character.
295 # These files should be removed from the source tree when a CMake version that
296 # includes the features in question becomes required for building GROMACS.
297 include(CheckCCompilerFlag)
298 include(CheckCXXCompilerFlag)
303 # This variable should be used for additional compiler flags which are not
304 # generated in gmxCFlags nor are SIMD or MPI related.
305 set(EXTRA_C_FLAGS "")
306 set(EXTRA_CXX_FLAGS "")
308 # Run through a number of tests for buggy compilers and other issues
309 include(gmxTestCompilerProblems)
310 gmx_test_compiler_problems()
311 # GMX_SIMD will not be set automatically until the second
312 # pass (which is not strictly guaranteed to occur), so putting this
313 # check here among logically-related tests is inefficient, but the
314 # potential loss is likely zero.
315 if(GMX_SIMD STREQUAL "AVX_256"
316 AND CMAKE_COMPILER_IS_GNUCC
317 AND (C_COMPILER_VERSION VERSION_EQUAL "4.6.1"
318 OR CXX_COMPILER_VERSION VERSION_EQUAL "4.6.1"))
319 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")
320 # See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49002
325 add_definitions(-DGMX_DOUBLE)
326 list(APPEND INSTALLED_HEADER_DEFINITIONS "-DGMX_DOUBLE")
327 if(GMX_RELAXED_DOUBLE_PRECISION)
328 add_definitions(-DGMX_RELAXED_DOUBLE_PRECISION)
331 if(GMX_SOFTWARE_INVSQRT)
332 list(APPEND INSTALLED_HEADER_DEFINITIONS "-DGMX_SOFTWARE_INVSQRT")
336 list(APPEND GMX_EXTRA_LIBRARIES "wsock32")
337 add_definitions(-DGMX_HAVE_WINSOCK)
342 ########################################################################
343 # Basic system tests (standard libraries, headers, functions, types) #
344 ########################################################################
345 include(CheckIncludeFiles)
346 include(CheckIncludeFileCXX)
347 check_include_files(unistd.h HAVE_UNISTD_H)
348 check_include_files(pwd.h HAVE_PWD_H)
349 check_include_files(dirent.h HAVE_DIRENT_H)
350 check_include_files(time.h HAVE_TIME_H)
351 check_include_files(sys/time.h HAVE_SYS_TIME_H)
352 check_include_files(io.h HAVE_IO_H)
353 check_include_files(sched.h HAVE_SCHED_H)
355 check_include_files(regex.h HAVE_POSIX_REGEX)
356 # TODO: It could be nice to inform the user if no regex support is found,
357 # as selections won't be fully functional.
359 include(CheckCXXSymbolExists)
360 check_cxx_symbol_exists(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)
361 check_cxx_symbol_exists(memalign stdlib.h HAVE_MEMALIGN)
362 check_cxx_symbol_exists(_aligned_malloc stdlib.h HAVE__ALIGNED_MALLOC)
363 check_cxx_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
364 check_cxx_symbol_exists(sysconf unistd.h HAVE_SYSCONF)
365 check_cxx_symbol_exists(nice unistd.h HAVE_NICE)
366 check_cxx_symbol_exists(fsync unistd.h HAVE_FSYNC)
367 check_cxx_symbol_exists(_fileno stdio.h HAVE__FILENO)
368 check_cxx_symbol_exists(fileno stdio.h HAVE_FILENO)
369 check_cxx_symbol_exists(_commit io.h HAVE__COMMIT)
370 check_cxx_symbol_exists(sigaction signal.h HAVE_SIGACTION)
371 check_cxx_symbol_exists(rsqrt math.h HAVE_RSQRT)
372 check_cxx_symbol_exists(rsqrtf math.h HAVE_RSQRTF)
373 check_cxx_symbol_exists(sqrtf math.h HAVE_SQRTF)
375 include(CheckLibraryExists)
376 find_library(HAVE_LIBM m)
377 check_library_exists(rt clock_gettime "" HAVE_CLOCK_GETTIME)
378 check_library_exists(m feenableexcept "" HAVE_FEENABLEEXCEPT)
380 include(TestSchedAffinity)
381 test_sched_affinity(HAVE_SCHED_AFFINITY)
383 include(TestBigEndian)
384 test_big_endian(GMX_INTEGER_BIG_ENDIAN)
387 if (HAVE_UNISTD_H AND HAVE_NICE)
391 # Management of GROMACS options for specific toolchains should go
392 # here. Because the initial settings for some of the main options have
393 # already happened, but things like library detection and MPI compiler
394 # feature detection have not, the docstrings for any over-rides of
395 # GROMACS defaults or user settings will make sense. Also, any
396 # toolchain-related reasons for choosing whether to detect various
397 # things can be sorted out now, before the detection takes place.
398 if(${CMAKE_SYSTEM_NAME} MATCHES BlueGene)
399 include(gmxManageBlueGene)
402 if(GMX_TARGET_FUJITSU_SPARC64)
403 include(gmxManageFujitsuSparc64)
406 ########################################################################
407 #Process MPI settings
408 ########################################################################
409 include(gmxManageMPI)
412 ########################################################################
413 #Process shared/static library settings
414 ########################################################################
415 include(gmxManageSharedLibraries)
418 ########################################################################
419 # Find external packages #
420 ########################################################################
422 # TNG wants zlib if it is available. And static libxml2 might have a dependency
423 find_package(ZLIB QUIET)
425 gmx_test_zlib(HAVE_ZLIB)
427 # Unconditionally find the package, as it is also required for unit
428 # tests. This exports LIBXML2_FOUND, which we should not use because
429 # it does not tell us that linking will succeed. Instead, we test that
431 if(DEFINED LIBXML2_LIBRARIES)
432 set(LibXml2_FIND_QUIETLY TRUE)
434 find_package(LibXml2)
435 include(gmxTestLibXml2)
436 gmx_test_libxml2(HAVE_LIBXML2)
437 option(GMX_XML "Use libxml2 to parse xml files (currently has no effect)" ${HAVE_LIBXML2})
439 mark_as_advanced(GMX_XML)
440 # Don't actually do anything, since libxml2 is currently not used by libgromacs
441 #if(GMX_XML AND NOT HAVE_LIBXML2)
442 # message(FATAL_ERROR "libxml2 not found. Set GMX_XML=OFF to compile without XML support")
445 # include_directories(${LIBXML2_INCLUDE_DIR})
446 # set(PKG_XML libxml-2.0)
447 # set(XML_LIBRARIES ${LIBXML2_LIBRARIES})
450 option(GMX_EXTRAE "Add support for tracing using EXTRAE" OFF)
451 mark_as_advanced(GMX_EXTRAE)
456 include_directories(${EXTRAE_INCLUDE_DIR})
459 message(FATAL_ERROR "EXTRAE library was not found. Please add the correct path to CMAKE_PREFIX_PATH")
463 option(GMX_X11 "Use X window system" OFF)
466 # X11 includes/libraries are only set in the ngmx subdirectory!
469 "X11 include files and/or libraries were not found. "
470 "Set GMX_X11=OFF to compile without X11 support. "
471 "gmx view will not be available.")
473 include_directories(${X11_INCLUDE_DIR})
477 # Enable core threading facilities
478 tmpi_enable_core("${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include")
479 # Enable tMPI C++ support
482 # enable MPI functions
484 set(MPI_IN_PLACE_EXISTS 1)
486 # If atomics are manually disabled a define is needed because atomics.h doesn't depend on config.h
487 if (TMPI_ATOMICS_DISABLED)
488 add_definitions(-DTMPI_ATOMICS_DISABLED)
492 # now that we have detected the dependencies, do the second configure pass
501 set(GMX_NATIVE_WINDOWS 1)
502 # This makes windows.h not declare min/max as macros that would break
503 # C++ code using std::min/std::max.
504 add_definitions(-DNOMINMAX)
507 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin") #Work-around for cmake bug #10837
508 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Intel" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
509 set(CMAKE_INCLUDE_SYSTEM_FLAG_C "-isystem ")
511 if (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Intel" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
512 set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX "-isystem ")
516 # Detect boost unless GMX_EXTERNAL_BOOST is explicitly OFF
517 # Used for default if GMX_EXTERNAL_BOOST is not defined (first CMake pass)
518 if(NOT DEFINED GMX_EXTERNAL_BOOST OR GMX_EXTERNAL_BOOST)
519 if(DEFINED Boost_INCLUDE_DIR)
520 set(Boost_FIND_QUIETLY TRUE)
522 find_package(Boost 1.44.0)
523 if(Boost_FOUND AND Boost_VERSION VERSION_LESS "104400")
524 set(Boost_FOUND FALSE)
526 # Print the notification only on first run, when determining the default
527 if(NOT DEFINED GMX_EXTERNAL_BOOST AND NOT Boost_FOUND)
528 message("Boost >= 1.44 not found. Using minimal internal version. "
529 "This may cause trouble if you plan on compiling/linking other "
530 "software that uses Boost against GROMACS.")
533 option(GMX_EXTERNAL_BOOST "Use external Boost instead of minimal built-in version"
535 if(GMX_EXTERNAL_BOOST AND NOT Boost_FOUND)
537 "Boost >= 1.44 not found. "
538 "You can set GMX_EXTERNAL_BOOST=OFF to compile against minimal "
539 "version of Boost included with GROMACS.")
542 if(NOT DEFINED GMX_BUILD_UNITTESTS AND NOT HAVE_LIBXML2)
543 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.")
545 option(GMX_BUILD_UNITTESTS "Build unit tests with BUILD_TESTING (uses Google C++ Testing and Mocking Frameworks, requires libxml2)" ${HAVE_LIBXML2})
546 mark_as_advanced(GMX_BUILD_UNITTESTS)
547 gmx_add_cache_dependency(GMX_BUILD_UNITTESTS BOOL BUILD_TESTING OFF)
548 if (GMX_BUILD_UNITTESTS AND NOT HAVE_LIBXML2)
550 "Cannot build unit tests without libxml2. "
551 "Either set GMX_BUILD_UNITTESTS=OFF or tell CMake how to find a working version of libxml2.")
554 ########################################################################
555 # Our own GROMACS tests
556 ########################################################################
558 add_definitions( -DHAVE_CONFIG_H )
559 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src)
560 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include)
561 # Required for config.h, maybe should only be set in src/CMakeLists.txt
562 include_directories(BEFORE ${CMAKE_BINARY_DIR}/src)
564 include(gmxTestInlineASM)
565 gmx_test_inline_asm_gcc_x86(GMX_X86_GCC_INLINE_ASM)
567 include(gmxSetBuildInformation)
568 gmx_set_build_information()
570 # - the build system's CPU supports it
571 # - the acceleration is set to AVX as all AVX-capable CPUs support AVX (which
572 # at this point means that the user set it).
573 # Note: it's better to not use the later set value of GMX_SIMD because
574 # it reflects the system's capability of both compiling and running AVX code.
575 # TODO: After merge with 5.0 one could implement a cache variable dependency
576 # such that GMX_USE_RDTSCP can change if GMX_SIMD is changed to AVX
577 # after the first cmake pass.
578 if (BUILD_CPU_FEATURES MATCHES "rdtscp" OR GMX_SIMD MATCHES "AVX")
579 set(GMX_USE_RDTSCP_DEFAULT_VALUE ON)
581 set(GMX_USE_RDTSCP_DEFAULT_VALUE OFF)
583 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)" ${GMX_USE_RDTSCP_DEFAULT_VALUE})
584 mark_as_advanced(GMX_USE_RDTSCP)
589 include(gmxTestFloatFormat)
590 gmx_test_float_format(GMX_FLOAT_FORMAT_IEEE754
591 GMX_IEEE754_BIG_ENDIAN_BYTE_ORDER
592 GMX_IEEE754_BIG_ENDIAN_WORD_ORDER)
594 include(gmxTestLargeFiles)
595 gmx_test_large_files(GMX_LARGEFILES)
597 include(gmxTestSignal)
598 gmx_test_sigusr1(HAVE_SIGUSR1)
600 include(gmxTestPipes)
601 gmx_test_pipes(HAVE_PIPES)
603 include(gmxTestIsfinite)
604 gmx_test_isfinite(HAVE_ISFINITE)
605 gmx_test__isfinite(HAVE__ISFINITE)
606 gmx_test__finite(HAVE__FINITE)
608 include(gmxTestCXX11)
609 gmx_test_cxx11(GMX_CXX11_SUPPORTED GMX_CXX11_FLAGS)
610 include(CMakeDependentOption)
611 # clang with some older versions of boost fail to work with C++11
612 if(CMAKE_CXX_COMPILER_ID MATCHES Clang AND
613 (Boost_VERSION VERSION_EQUAL 104601 OR Boost_VERSION VERSION_EQUAL 104700))
614 set(CLANG_AND_OLD_EXTERNAL_BOOST TRUE)
616 # nvcc does not support C++11 flags, so with GPUs we prefer to skip C++11 flags
617 # entirely to keep the compilation environment uniform.
618 cmake_dependent_option(GMX_CXX11
620 ON "GMX_CXX11_SUPPORTED AND NOT GMX_GPU AND NOT CLANG_AND_OLD_EXTERNAL_BOOST" OFF)
621 mark_as_advanced(GMX_CXX11)
623 set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} ${GMX_CXX11_FLAGS}")
626 # Now we can test for CXX11_REGEX include file
627 check_include_file_cxx(regex HAVE_CXX11_REGEX)
630 gmx_test_xdr(GMX_SYSTEM_XDR)
631 if(NOT GMX_SYSTEM_XDR)
632 set(GMX_INTERNAL_XDR 1)
636 ##################################################
637 # Process SIMD instruction settings
638 ##################################################
639 # This checks what flags to add in order to
640 # support the SIMD instructions we need, it sets
641 # correct defines for the SIMD instructions supported,
642 # and adds advanced options to control accuracy
643 # for SIMD math operations.
644 include(gmxManageSimd)
647 # Process QM/MM Settings
648 if(${GMX_QMMM_PROGRAM} STREQUAL "GAUSSIAN")
649 set(GMX_QMMM_GAUSSIAN 1)
650 elseif(${GMX_QMMM_PROGRAM} STREQUAL "MOPAC")
651 set(GMX_QMMM_MOPAC 1)
652 elseif(${GMX_QMMM_PROGRAM} STREQUAL "GAMESS")
653 set(GMX_QMMM_GAMESS 1)
654 elseif(${GMX_QMMM_PROGRAM} STREQUAL "ORCA")
656 elseif(${GMX_QMMM_PROGRAM} STREQUAL "NONE")
659 gmx_invalid_option_value(GMX_QMMM_PROGRAM)
663 ##################################################
664 # Process FFT library settings
665 ##################################################
666 include(gmxManageFFTLibraries)
669 include(gmxManageLinearAlgebraLibraries)
671 # Whether GROMACS will really try to compile support for VMD plugins
672 set(GMX_USE_PLUGINS OFF)
676 # Native Windows does not have, nor need dlopen
677 include(gmxTestdlopen)
678 gmx_test_dlopen(HAVE_DLOPEN)
681 # so, should we use plug-ins?
682 if(WIN32 OR (HAVE_DLOPEN AND BUILD_SHARED_LIBS))
684 MESSAGE(STATUS "Using dynamic plugins (e.g VMD-supported file formats)")
686 if(NOT GMX_VMD_PLUGIN_PATH)
689 set(GMX_USE_PLUGINS ON)
690 list(APPEND GMX_EXTRA_LIBRARIES ${CMAKE_DL_LIBS}) # magic cross-platform pre-set variable for dlopen library
691 set(PKG_DL_LIBS "-l${CMAKE_DL_LIBS}")
696 set(VMD_QUIETLY TRUE CACHE INTERNAL "")
698 # Link real-time library for POSIX timers. The check for clock_gettime
699 # confirms the linkability of rt.
700 if(HAVE_TIME_H AND HAVE_UNISTD_H AND HAVE_CLOCK_GETTIME)
701 list(APPEND GMX_EXTRA_LIBRARIES rt)
704 # Math and thread libraries must often come after all others when linking...
706 list(APPEND GMX_EXTRA_LIBRARIES m)
709 option(GMX_NACL "Configure for Native Client builds" OFF)
711 list(APPEND GMX_EXTRA_LIBRARIES nosys)
712 set(GMX_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lnosys")
713 # TODO: Is this still necessary with the check for its presence?
717 mark_as_advanced(GMX_NACL)
720 set(COREWRAP_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/../corewrap" CACHE STRING
721 "Path to swindirect.h")
722 include_directories(${COREWRAP_INCLUDE_DIR})
725 # Value of GMX_BUILD_HELP=AUTO tries to generate things, but will only
726 # produce warnings if that fails.
727 set(build_help_default AUTO)
728 if (SOURCE_IS_SOURCE_DISTRIBUTION OR CMAKE_CROSSCOMPILING)
729 set(build_help_default OFF)
731 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)" ${build_help_default})
732 mark_as_advanced(GMX_BUILD_HELP)
733 if (GMX_BUILD_HELP AND SOURCE_IS_SOURCE_DISTRIBUTION AND BUILD_IS_INSOURCE)
735 "Rebuilding shell completions or man pages is not supported for "
736 "in-source builds from a source distribution. "
737 "Set GMX_BUILD_HELP=OFF or do an out-of-source build to proceed.")
740 # # # # # # # # # # NO MORE TESTS AFTER THIS LINE! # # # # # # # # # # #
741 # these are set after everything else
742 if (NOT GMX_SKIP_DEFAULT_CFLAGS)
743 set(CMAKE_C_FLAGS "${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${CMAKE_C_FLAGS}")
744 set(CMAKE_CXX_FLAGS "${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
745 set(CMAKE_EXE_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
746 set(CMAKE_SHARED_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
748 message("Recommended flags which are not added because GMX_SKIP_DEFAULT_CFLAGS=yes:")
749 message("CMAKE_C_FLAGS: ${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${GMXC_CFLAGS}")
750 message("CMAKE_C_FLAGS_RELEASE: ${GMXC_CFLAGS_RELEASE}")
751 message("CMAKE_C_FLAGS_DEBUG: ${GMXC_CFLAGS_DEBUG}")
752 message("CMAKE_CXX_FLAGS: ${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${GMXC_CXXFLAGS}")
753 message("CMAKE_CXX_FLAGS_RELEASE: ${GMXC_CXXFLAGS_RELEASE}")
754 message("CMAKE_CXX_FLAGS_DEBUG: ${GMXC_CXXFLAGS_DEBUG}")
755 message("CMAKE_EXE_LINKER_FLAGS: ${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS}")
756 message("CMAKE_SHARED_LINKER_FLAGS: ${MPI_LINKER_FLAGS}")
760 #Unset all OpenMP flags in case OpenMP was disabled either by the user
761 #or because it was only partially detected (e.g. only for C but not C++ compiler)
762 unset(OpenMP_C_FLAGS CACHE)
763 unset(OpenMP_CXX_FLAGS CACHE)
765 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} ${OpenMP_LINKER_FLAGS})
766 set(GMX_SHARED_LINKER_FLAGS ${GMX_SHARED_LINKER_FLAGS} ${OpenMP_SHARED_LINKER_FLAGS})
769 ########################################################################
770 # Specify install locations
771 ########################################################################
772 # Use GNUInstallDirs to set paths on multiarch systems.
773 include(GNUInstallDirs)
775 # Customization for the installation tree paths.
776 set(GMX_LIB_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING
777 "Library installation directory (default: ${CMAKE_INSTALL_LIBDIR})")
778 set(GMX_DATA_INSTALL_DIR gromacs CACHE STRING
779 "Data installation directory under share/ (default: gromacs)")
780 mark_as_advanced(GMX_LIB_INSTALL_DIR GMX_DATA_INSTALL_DIR)
782 # These variables are used internally to provide a central location for
783 # customizing the install locations.
784 set(LIB_INSTALL_DIR ${GMX_LIB_INSTALL_DIR})
785 set(BIN_INSTALL_DIR bin)
786 # This variable also gets written into config.h for use in finding the data
788 set(DATA_INSTALL_DIR share/${GMX_DATA_INSTALL_DIR})
789 set(MAN_INSTALL_DIR share/man)
790 # If the nesting level wrt. the installation root is changed,
791 # gromacs-config.cmake.cmakein needs to be adapted.
792 set(CMAKE_INSTALL_DIR share/cmake)
793 # TODO: Make GMXRC adapt if this is changed
794 set(PKGCONFIG_INSTALL_DIR ${LIB_INSTALL_DIR}/pkgconfig)
795 set(OCL_INSTALL_DIR ${DATA_INSTALL_DIR}/opencl)
796 set(INCL_INSTALL_DIR include)
798 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${INCL_INSTALL_DIR})
800 # Binary and library suffix options
801 include(gmxManageSuffixes)
803 ################################################################
804 # Shared library load path settings
805 ################################################################
806 # CMake supports RPATH on OS X only from 2.8.12 upwards.
807 # CMAKE_SYSTEM_VERSION > 8.0 matches OS X 10.5 and above, where RPATH support
810 if(NOT GMX_BUILD_SHARED_EXE)
812 set(CMAKE_SKIP_RPATH TRUE)
813 set(CMAKE_EXE_LINK_DYNAMIC_C_FLAGS) # remove -Wl,-Bdynamic
814 set(CMAKE_EXE_LINK_DYNAMIC_CXX_FLAGS)
815 elseif((NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin") OR
816 ((CMAKE_SYSTEM_VERSION VERSION_GREATER 8.0) AND (NOT CMAKE_VERSION VERSION_LESS 2.8.12)))
817 # The build folder always has bin/ and lib/; if we are also going to
818 # install to lib/, then the installation RPATH works also in the build
819 # tree. This makes installation slightly faster (no need to rewrite the
820 # RPATHs), and makes the binaries in the build tree relocatable.
821 if(GMX_LIB_INSTALL_DIR STREQUAL "lib")
822 set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
824 # Set the RPATH as relative to the executable location to make the
825 # binaries relocatable.
826 if(NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
827 set(CMAKE_INSTALL_RPATH "\$ORIGIN/../${GMX_LIB_INSTALL_DIR}")
829 set(CMAKE_INSTALL_RPATH "@executable_path/../${GMX_LIB_INSTALL_DIR}")
831 set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
832 set(CMAKE_MACOSX_RPATH 1)
834 # We are on Darwin/OSX, and CMake cannot handle RPATHs automatically.
835 if(CMAKE_SYSTEM_VERSION VERSION_GREATER 8.0)
836 # Set the RPATH options manually.
837 set(CMAKE_INSTALL_NAME_DIR "@rpath")
838 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} "-Wl,-rpath,@executable_path/../${GMX_LIB_INSTALL_DIR}")
840 # Use the old INSTALL_NAME_DIR mechanism if RPATH is not supported.
841 set(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LIB_INSTALL_DIR}")
845 #COPYING file: Only necessary for binary distributions.
846 #Simpler to always install.
847 install(FILES COPYING DESTINATION ${DATA_INSTALL_DIR} COMPONENT data)
849 if(GMX_EXTERNAL_BOOST)
850 include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
851 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${Boost_INCLUDE_DIRS})
853 include_directories(BEFORE SYSTEM ${CMAKE_SOURCE_DIR}/src/external/boost)
854 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${INCL_INSTALL_DIR}/gromacs/external/boost)
855 list(APPEND INSTALLED_HEADED_DEFINITIONS "-DBOOST_NO_TYPEID")
856 # typeid not supported for minimal internal version
857 # (would add significant amount of code)
858 add_definitions(-DBOOST_NO_TYPEID)
859 if (NOT GMX_BUILD_MDRUN_ONLY)
860 install(DIRECTORY ${CMAKE_SOURCE_DIR}/src/external/boost/boost
861 DESTINATION ${INCL_INSTALL_DIR}/gromacs/external/boost
862 COMPONENT development)
866 if (GMX_BUILD_FOR_COVERAGE)
867 # Code heavy with asserts makes conditional coverage close to useless metric,
868 # as by design most of the false branches are impossible to trigger in
869 # correctly functioning code. And the benefit of testing those that could
870 # be triggered by using an API against its specification isn't usually
872 add_definitions(-DNDEBUG -DBOOST_DISABLE_ASSERTS -DGMX_DISABLE_ASSERTS)
876 # "tests" target builds all the separate test binaries.
877 add_custom_target(tests)
878 # "run-ctest" is an internal target that actually runs the tests.
879 # This is necessary to be able to add separate targets that execute as part
880 # of 'make check', but are ensured to be executed after the actual tests.
881 add_custom_target(run-ctest
882 COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
883 COMMENT "Running all tests"
885 add_dependencies(run-ctest tests)
886 # "check" target builds and runs all tests.
887 add_custom_target(check DEPENDS run-ctest)
890 if (NOT GMX_BUILD_MDRUN_ONLY)
891 add_subdirectory(docs)
892 add_subdirectory(share)
893 add_subdirectory(scripts)
895 add_subdirectory(src)
898 add_subdirectory(tests)
901 gmx_cpack_write_config()
903 # Issue a warning if NVIDIA GPUs were detected, but CUDA was not found.
904 # Don't bother the user after the first configure pass.
905 if ((CUDA_NOTFOUND_AUTO AND GMX_DETECT_GPU_AVAILABLE) AND NOT GMX_GPU_DETECTION_DONE)
906 message(WARNING "${CUDA_NOTFOUND_MESSAGE}")
908 set(GMX_GPU_DETECTION_DONE TRUE CACHE INTERNAL "Whether GPU detection has already been done")
910 #######################
912 #######################
913 CONFIGURE_FILE( "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
914 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake"
916 ###########################
917 ADD_CUSTOM_TARGET(uninstall
918 "${CMAKE_COMMAND}" -P
919 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake")
920 ###########################
921 set_directory_properties(PROPERTIES
922 ADDITIONAL_MAKE_CLEAN_FILES "install_manifest.txt")