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
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22 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 # If you want to redistribute modifications to GROMACS, please
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29 # in the README & COPYING files - if they are missing, get the
30 # official version at http://www.gromacs.org.
32 # To help us fund GROMACS development, we humbly ask that you cite
33 # the research papers on the package. Check out http://www.gromacs.org.
35 cmake_minimum_required(VERSION 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()
136 ########################################################################
137 # Detect CXX11 support and flags
138 ########################################################################
139 # The cmake/Check{C,CXX}CompilerFlag.cmake files in the GROMACS distribution
140 # are used with permission from CMake v3.0.0 so that GROMACS can detect
141 # invalid options with the Intel Compilers, and we have added a line
142 # to detect warnings with the Fujitsu compilers on K computer and ICC.
143 # CMake-3.0 also has a bug where the FAIL_REGEX pattern for AIX contains
144 # a semicolon. Since this is also used as a separator in lists inside CMake,
145 # that string ends up being split into two separate patterns, and the last
146 # part is just a single word that also matches other messages. We solved this
147 # by replacing the semicolon with a period that matches any character.
149 # These files should be removed from the source tree when a CMake version that
150 # includes the features in question becomes required for building GROMACS.
151 include(CheckCCompilerFlag)
152 include(CheckCXXCompilerFlag)
154 # This must come early, since some of our configuration flag tests
155 # depend on being able to compile C++11 source files
156 include(gmxTestCXX11)
157 gmx_test_cxx11(GMX_CXX11_SUPPORTED GMX_CXX11_FLAGS)
158 if(NOT GMX_CXX11_SUPPORTED)
159 message(FATAL_ERROR "This version of GROMACS requires C++11. Please use a newer compiler or use the GROMACS 5.1.x release. Note it might be sufficient to instruct the compiler to use a newer STL version. See the installation guide for details.")
162 # Make sure all tests are run in C++11 mode
163 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GMX_CXX11_FLAGS}")
165 ########################################################################
166 # User input options #
167 ########################################################################
168 include(gmxOptionUtilities)
170 set(CMAKE_PREFIX_PATH "" CACHE STRING "Extra locations to search for external libraries and tools (give directory without lib, bin, or include)")
172 # Fujitsu only has SIMD in double precision, so this will be faster
173 gmx_set_boolean(GMX_DOUBLE_DEFAULT GMX_TARGET_FUJITSU_SPARC64)
174 option(GMX_DOUBLE "Use double precision (much slower, use only if you really need it)" ${GMX_DOUBLE_DEFAULT})
175 option(GMX_RELAXED_DOUBLE_PRECISION "Accept single precision 1/sqrt(x) when using Fujitsu HPC-ACE SIMD" OFF)
176 mark_as_advanced(GMX_RELAXED_DOUBLE_PRECISION)
178 option(GMX_MPI "Build a parallel (message-passing) version of GROMACS" OFF)
179 option(GMX_THREAD_MPI "Build a thread-MPI-based multithreaded version of GROMACS (not compatible with MPI)" ON)
180 gmx_dependent_option(
182 "Enable MPI_IN_PLACE for MPIs that have it defined"
185 mark_as_advanced(GMX_MPI_IN_PLACE)
186 option(GMX_FAHCORE "Build a library with mdrun functionality" OFF)
187 mark_as_advanced(GMX_FAHCORE)
189 option(GMX_COOL_QUOTES "Enable GROMACS cool quotes" ON)
190 mark_as_advanced(GMX_COOL_QUOTES)
191 gmx_add_cache_dependency(GMX_COOL_QUOTES BOOL "NOT GMX_FAHCORE" OFF)
193 option(GMX_USE_OPENCL "Enable OpenCL acceleration" OFF)
195 # Decide on GPU settings based on user-settings and GPU/CUDA detection.
196 # GCC 4.6 requires CUDA 5.0 and VS2013 requires CUDA 6.5
198 set(REQUIRED_CUDA_VERSION 6.5)
200 set(REQUIRED_CUDA_VERSION 5.0)
202 set(REQUIRED_CUDA_COMPUTE_CAPABILITY 2.0)
204 # OpenCL required version: 1.1 or newer
205 set(REQUIRED_OPENCL_MIN_VERSION 1.1)
207 if(NOT GMX_USE_OPENCL)
208 # CUDA detection is done only if GMX_USE_OPENCL is OFF.
209 include(gmxManageGPU)
210 set(GMX_USE_CUDA ${GMX_GPU})
212 set(GMX_GPU_ACCELERATION_FRAMEWORK "GMX_GPU_CUDA")
214 set(GMX_GPU_ACCELERATION_FRAMEWORK "GMX_GPU_NONE")
217 #Now the OpenCL path (for both AMD and NVIDIA)
219 include(gmxManageOpenCL)
220 set(GMX_GPU_ACCELERATION_FRAMEWORK "GMX_GPU_OPENCL")
222 message(FATAL_ERROR "OpenCL requested but GPU option is not enabled (try -DGMX_GPU=on) ")
226 include(gmxDetectSimd)
227 gmx_detect_simd(GMX_SUGGESTED_SIMD)
229 gmx_option_multichoice(
231 "SIMD instruction set for CPU kernels and compiler optimization"
232 "${GMX_SUGGESTED_SIMD}"
233 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)
236 set(GMX_FFT_LIBRARY_DEFAULT "mkl")
238 set(GMX_FFT_LIBRARY_DEFAULT "fftw3")
241 gmx_option_multichoice(
244 "${GMX_FFT_LIBRARY_DEFAULT}"
245 fftw3 mkl "fftpack[built-in]")
246 gmx_dependent_option(
248 "Download and build FFTW 3 during the GROMACS build process, rather than fall back on the really slow fftpack."
250 "GMX_FFT_LIBRARY STREQUAL FFTW3")
251 gmx_dependent_option(
252 GMX_DISABLE_FFTW_MEASURE
253 "Do not optimize FFTW setups (not needed with SSE)"
255 "GMX_FFT_LIBRARY STREQUAL FFTW3")
256 mark_as_advanced(GMX_BUILD_OWN_FFTW)
257 mark_as_advanced(GMX_DISABLE_FFTW_MEASURE)
259 gmx_option_multichoice(
261 "QM package for QM/MM"
263 none gaussian mopac gamess orca)
265 gmx_dependent_cache_variable(GMX_SIMD_REF_FLOAT_WIDTH "Reference SIMD single precision width" STRING "4" "GMX_SIMD STREQUAL REFERENCE")
266 gmx_dependent_cache_variable(GMX_SIMD_REF_DOUBLE_WIDTH "Reference SIMD double precision width" STRING "2" "GMX_SIMD STREQUAL REFERENCE")
268 # This should be moved to a separate NBNXN cmake module when that code is cleaned up and modularized
270 option(GMX_BROKEN_CALLOC "Work around broken calloc()" OFF)
271 mark_as_advanced(GMX_BROKEN_CALLOC)
272 option(GMX_LOAD_PLUGINS "Compile with plugin support, needed to read VMD supported file formats" ON)
273 mark_as_advanced(GMX_LOAD_PLUGINS)
275 option(GMX_OPENMP "Enable OpenMP-based multithreading" ON)
277 option(GMX_USE_TNG "Use the TNG library for trajectory I/O" ON)
279 option(GMX_BUILD_MDRUN_ONLY "Build and install only the mdrun binary" OFF)
281 option(GMX_CYCLE_SUBCOUNTERS "Enable cycle subcounters to get a more detailed cycle timings" OFF)
282 mark_as_advanced(GMX_CYCLE_SUBCOUNTERS)
284 option(GMX_SKIP_DEFAULT_CFLAGS "Don't automatically add suggested/required Compiler flags." OFF)
285 mark_as_advanced(GMX_SKIP_DEFAULT_CFLAGS)
287 option(GMX_BUILD_FOR_COVERAGE
288 "Tune build for better code coverage metrics (e.g., disable asserts)"
290 mark_as_advanced(GMX_BUILD_FOR_COVERAGE)
292 option(GMX_DEVELOPER_BUILD
293 "Enable Developer convenience features: always build unit-tests"
295 mark_as_advanced(GMX_DEVELOPER_BUILD)
297 gmx_set_boolean(GMX_COMPILER_WARNINGS_DEFAULT "NOT SOURCE_IS_SOURCE_DISTRIBUTION")
298 option(GMX_COMPILER_WARNINGS
299 "Enable a default set of compiler warnings"
300 ${GMX_COMPILER_WARNINGS_DEFAULT})
301 mark_as_advanced(GMX_COMPILER_WARNINGS)
302 # Always turn on compiler warnings with a developer build.
303 gmx_add_cache_dependency(GMX_COMPILER_WARNINGS BOOL "NOT GMX_DEVELOPER_BUILD" ON)
305 option(GMX_BUILD_SHARED_EXE
306 "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."
308 mark_as_advanced(GMX_BUILD_SHARED_EXE)
310 ######################################################################
311 # Detect OpenMP support
312 ######################################################################
313 # The OpenMP detection _must_ come before tests for other CFLAGS.
314 include(gmxManageOpenMP)
318 ######################################################################
320 # These need to be done early (before further tests).
321 #####################################################################
326 # This variable should be used for additional compiler flags which are not
327 # generated in gmxCFlags nor are SIMD or MPI related.
328 set(EXTRA_C_FLAGS "")
329 set(EXTRA_CXX_FLAGS "")
331 # Run through a number of tests for buggy compilers and other issues
332 include(gmxTestCompilerProblems)
333 gmx_test_compiler_problems()
334 # GMX_SIMD will not be set automatically until the second
335 # pass (which is not strictly guaranteed to occur), so putting this
336 # check here among logically-related tests is inefficient, but the
337 # potential loss is likely zero.
338 if(GMX_SIMD STREQUAL "AVX_256"
339 AND CMAKE_COMPILER_IS_GNUCC
340 AND (C_COMPILER_VERSION VERSION_EQUAL "4.6.1"
341 OR CXX_COMPILER_VERSION VERSION_EQUAL "4.6.1"))
342 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")
343 # See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49002
348 add_definitions(-DGMX_DOUBLE)
349 list(APPEND INSTALLED_HEADER_DEFINITIONS "-DGMX_DOUBLE")
350 if(GMX_RELAXED_DOUBLE_PRECISION)
351 add_definitions(-DGMX_RELAXED_DOUBLE_PRECISION)
356 list(APPEND GMX_EXTRA_LIBRARIES "wsock32")
357 add_definitions(-DGMX_HAVE_WINSOCK)
362 ########################################################################
363 # Basic system tests (standard libraries, headers, functions, types) #
364 ########################################################################
365 include(CheckIncludeFiles)
366 include(CheckIncludeFileCXX)
367 check_include_files(unistd.h HAVE_UNISTD_H)
368 check_include_files(pwd.h HAVE_PWD_H)
369 check_include_files(dirent.h HAVE_DIRENT_H)
370 check_include_files(time.h HAVE_TIME_H)
371 check_include_files(sys/time.h HAVE_SYS_TIME_H)
372 check_include_files(io.h HAVE_IO_H)
373 check_include_files(sched.h HAVE_SCHED_H)
375 check_include_files(regex.h HAVE_POSIX_REGEX)
376 # TODO: It could be nice to inform the user if no regex support is found,
377 # as selections won't be fully functional.
379 include(CheckCXXSymbolExists)
380 check_cxx_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
381 check_cxx_symbol_exists(sysconf unistd.h HAVE_SYSCONF)
382 check_cxx_symbol_exists(nice unistd.h HAVE_NICE)
383 check_cxx_symbol_exists(fsync unistd.h HAVE_FSYNC)
384 check_cxx_symbol_exists(_fileno stdio.h HAVE__FILENO)
385 check_cxx_symbol_exists(fileno stdio.h HAVE_FILENO)
386 check_cxx_symbol_exists(_commit io.h HAVE__COMMIT)
387 check_cxx_symbol_exists(sigaction signal.h HAVE_SIGACTION)
389 # We cannot check for the __builtins as symbols, but check if code compiles
390 check_cxx_source_compiles("int main(){ return __builtin_clz(1);}" HAVE_BUILTIN_CLZ)
391 check_cxx_source_compiles("int main(){ return __builtin_clzll(1);}" HAVE_BUILTIN_CLZLL)
393 check_cxx_source_compiles("#include <intrin.h>\n int main(){unsigned long r;unsigned long i=1;_BitScanReverse(&r,i);return r;}" HAVE_BITSCANREVERSE)
394 check_cxx_source_compiles("#include <intrin.h>\n int main(){unsigned long r;unsigned __int64 i=1;_BitScanReverse(&r,i);return r;}" HAVE_BITSCANREVERSE64)
395 elseif(CMAKE_CXX_COMPILER_ID MATCHES "XL")
396 check_cxx_source_compiles("int main(){ return __cntlz4(1);}" HAVE_CNTLZ4)
397 check_cxx_source_compiles("int main(){ return __cntlz8(1);}" HAVE_CNTLZ8)
400 include(CheckLibraryExists)
401 find_library(HAVE_LIBM m)
402 check_library_exists(rt clock_gettime "" HAVE_CLOCK_GETTIME)
403 check_library_exists(m feenableexcept "" HAVE_FEENABLEEXCEPT)
405 include(TestSchedAffinity)
406 test_sched_affinity(HAVE_SCHED_AFFINITY)
408 # Aligned memory allocation. We need to check for both mm_malloc(),
409 # posix_memalign(), memalign(), and on windows also _aligned_malloc()
410 include(gmxTestMMMalloc)
411 gmx_test_mm_malloc(HAVE__MM_MALLOC)
412 check_cxx_symbol_exists(posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)
413 check_cxx_symbol_exists(memalign stdlib.h HAVE_MEMALIGN)
415 # No need to waste time on this test on platforms where it will never be true
416 check_cxx_symbol_exists(_aligned_malloc stdlib.h HAVE__ALIGNED_MALLOC)
419 include(TestBigEndian)
420 test_big_endian(GMX_INTEGER_BIG_ENDIAN)
422 gmx_set_boolean(GMX_USE_NICE "HAVE_UNISTD_H AND HAVE_NICE")
424 # Management of GROMACS options for specific toolchains should go
425 # here. Because the initial settings for some of the main options have
426 # already happened, but things like library detection and MPI compiler
427 # feature detection have not, the docstrings for any over-rides of
428 # GROMACS defaults or user settings will make sense. Also, any
429 # toolchain-related reasons for choosing whether to detect various
430 # things can be sorted out now, before the detection takes place.
431 if(${CMAKE_SYSTEM_NAME} MATCHES BlueGene)
432 include(gmxManageBlueGene)
435 if(GMX_TARGET_FUJITSU_SPARC64)
436 include(gmxManageFujitsuSparc64)
439 ########################################################################
440 #Process MPI settings
441 ########################################################################
442 include(gmxManageMPI)
445 ########################################################################
446 #Process shared/static library settings
447 ########################################################################
448 include(gmxManageSharedLibraries)
451 ########################################################################
452 # Find external packages #
453 ########################################################################
455 # TNG wants zlib if it is available. And static libxml2 might have a dependency
456 find_package(ZLIB QUIET)
458 gmx_test_zlib(HAVE_ZLIB)
460 # Unconditionally find the package, as it is also required for unit
461 # tests. This exports LIBXML2_FOUND, which we should not use because
462 # it does not tell us that linking will succeed. Instead, we test that
464 if(DEFINED LIBXML2_LIBRARIES)
465 set(LibXml2_FIND_QUIETLY TRUE)
467 find_package(LibXml2)
468 include(gmxTestLibXml2)
469 gmx_test_libxml2(HAVE_LIBXML2)
470 option(GMX_XML "Use libxml2 to parse xml files (currently has no effect)" ${HAVE_LIBXML2})
472 mark_as_advanced(GMX_XML)
473 # Don't actually do anything, since libxml2 is currently not used by libgromacs
474 #if(GMX_XML AND NOT HAVE_LIBXML2)
475 # message(FATAL_ERROR "libxml2 not found. Set GMX_XML=OFF to compile without XML support")
478 # include_directories(${LIBXML2_INCLUDE_DIR})
479 # set(PKG_XML libxml-2.0)
480 # set(XML_LIBRARIES ${LIBXML2_LIBRARIES})
483 option(GMX_EXTRAE "Add support for tracing using EXTRAE" OFF)
484 mark_as_advanced(GMX_EXTRAE)
489 include_directories(SYSTEM ${EXTRAE_INCLUDE_DIR})
492 message(FATAL_ERROR "EXTRAE library was not found. Please add the correct path to CMAKE_PREFIX_PATH")
496 option(GMX_X11 "Use X window system" OFF)
499 # X11 includes/libraries are only set in the ngmx subdirectory!
502 "X11 include files and/or libraries were not found. "
503 "Set GMX_X11=OFF to compile without X11 support. "
504 "gmx view will not be available.")
506 include_directories(SYSTEM ${X11_INCLUDE_DIR})
510 # Enable core threading facilities
511 tmpi_enable_core("${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include")
512 # Enable tMPI C++ support
515 # enable MPI functions
517 set(MPI_IN_PLACE_EXISTS 1)
519 # If atomics are manually disabled a define is needed because atomics.h doesn't depend on config.h
520 if (TMPI_ATOMICS_DISABLED)
521 add_definitions(-DTMPI_ATOMICS_DISABLED)
525 # now that we have detected the dependencies, do the second configure pass
534 set(GMX_NATIVE_WINDOWS 1)
535 # This makes windows.h not declare min/max as macros that would break
536 # C++ code using std::min/std::max.
537 add_definitions(-DNOMINMAX)
540 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin") #Work-around for cmake bug #10837
541 if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Intel" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
542 set(CMAKE_INCLUDE_SYSTEM_FLAG_C "-isystem ")
544 if (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Intel" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
545 set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX "-isystem ")
549 if(NOT DEFINED GMX_BUILD_UNITTESTS AND NOT HAVE_LIBXML2)
550 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.")
552 option(GMX_BUILD_UNITTESTS "Build unit tests with BUILD_TESTING (uses Google C++ Testing and Mocking Frameworks, requires libxml2)" ${HAVE_LIBXML2})
553 mark_as_advanced(GMX_BUILD_UNITTESTS)
554 gmx_add_cache_dependency(GMX_BUILD_UNITTESTS BOOL BUILD_TESTING OFF)
555 if (GMX_BUILD_UNITTESTS AND NOT HAVE_LIBXML2)
557 "Cannot build unit tests without libxml2. "
558 "Either set GMX_BUILD_UNITTESTS=OFF or tell CMake how to find a working version of libxml2.")
561 ########################################################################
562 # Our own GROMACS tests
563 ########################################################################
565 add_definitions( -DHAVE_CONFIG_H )
566 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src)
567 include_directories(BEFORE ${CMAKE_SOURCE_DIR}/src/external/thread_mpi/include)
568 # Required for config.h, maybe should only be set in src/CMakeLists.txt
569 include_directories(BEFORE ${CMAKE_BINARY_DIR}/src)
571 include(gmxTestInlineASM)
572 gmx_test_inline_asm_gcc_x86(GMX_X86_GCC_INLINE_ASM)
574 include(gmxSetBuildInformation)
575 gmx_set_build_information()
577 # - the build system's CPU supports it
578 # - the acceleration is set to AVX as all AVX-capable CPUs support AVX (which
579 # at this point means that the user set it).
580 # Note: it's better to not use the later set value of GMX_SIMD because
581 # it reflects the system's capability of both compiling and running AVX code.
582 # TODO: After merge with 5.0 one could implement a cache variable dependency
583 # such that GMX_USE_RDTSCP can change if GMX_SIMD is changed to AVX
584 # after the first cmake pass.
585 if (BUILD_CPU_FEATURES MATCHES "rdtscp" OR GMX_SIMD MATCHES "AVX")
586 set(GMX_USE_RDTSCP_DEFAULT_VALUE ON)
588 set(GMX_USE_RDTSCP_DEFAULT_VALUE OFF)
590 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)" ${GMX_USE_RDTSCP_DEFAULT_VALUE})
591 mark_as_advanced(GMX_USE_RDTSCP)
596 include(gmxTestLargeFiles)
597 gmx_test_large_files(GMX_LARGEFILES)
599 include(gmxTestSignal)
600 gmx_test_sigusr1(HAVE_SIGUSR1)
602 include(gmxTestPipes)
603 gmx_test_pipes(HAVE_PIPES)
605 check_include_file_cxx(regex HAVE_CXX11_REGEX)
608 gmx_test_xdr(GMX_SYSTEM_XDR)
609 if(NOT GMX_SYSTEM_XDR)
610 set(GMX_INTERNAL_XDR 1)
614 ##################################################
615 # Process SIMD instruction settings
616 ##################################################
617 # This checks what flags to add in order to
618 # support the SIMD instructions we need, it sets
619 # correct defines for the SIMD instructions supported,
620 # and adds advanced options to control accuracy
621 # for SIMD math operations.
622 include(gmxManageSimd)
625 # Process QM/MM Settings
626 if(${GMX_QMMM_PROGRAM} STREQUAL "GAUSSIAN")
627 set(GMX_QMMM_GAUSSIAN 1)
628 elseif(${GMX_QMMM_PROGRAM} STREQUAL "MOPAC")
629 set(GMX_QMMM_MOPAC 1)
630 elseif(${GMX_QMMM_PROGRAM} STREQUAL "GAMESS")
631 set(GMX_QMMM_GAMESS 1)
632 elseif(${GMX_QMMM_PROGRAM} STREQUAL "ORCA")
634 elseif(${GMX_QMMM_PROGRAM} STREQUAL "NONE")
637 gmx_invalid_option_value(GMX_QMMM_PROGRAM)
641 ##################################################
642 # Process FFT library settings
643 ##################################################
644 include(gmxManageFFTLibraries)
647 include(gmxManageLinearAlgebraLibraries)
649 # Whether GROMACS will really try to compile support for VMD plugins
650 set(GMX_USE_PLUGINS OFF)
654 # Native Windows does not have, nor need dlopen
655 include(gmxTestdlopen)
656 gmx_test_dlopen(HAVE_DLOPEN)
659 # so, should we use plug-ins?
660 if(WIN32 OR (HAVE_DLOPEN AND BUILD_SHARED_LIBS))
662 MESSAGE(STATUS "Using dynamic plugins (e.g VMD-supported file formats)")
664 if(NOT GMX_VMD_PLUGIN_PATH)
667 set(GMX_USE_PLUGINS ON)
668 list(APPEND GMX_EXTRA_LIBRARIES ${CMAKE_DL_LIBS}) # magic cross-platform pre-set variable for dlopen library
669 set(PKG_DL_LIBS "-l${CMAKE_DL_LIBS}")
674 set(VMD_QUIETLY TRUE CACHE INTERNAL "")
676 # Link real-time library for POSIX timers. The check for clock_gettime
677 # confirms the linkability of rt.
678 if(HAVE_TIME_H AND HAVE_UNISTD_H AND HAVE_CLOCK_GETTIME)
679 list(APPEND GMX_EXTRA_LIBRARIES rt)
682 # Math and thread libraries must often come after all others when linking...
684 list(APPEND GMX_EXTRA_LIBRARIES m)
687 option(GMX_NACL "Configure for Native Client builds" OFF)
689 list(APPEND GMX_EXTRA_LIBRARIES nosys)
690 set(GMX_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lnosys")
691 # TODO: Is this still necessary with the check for its presence?
695 mark_as_advanced(GMX_NACL)
698 set(COREWRAP_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/../corewrap" CACHE STRING
699 "Path to swindirect.h")
700 include_directories(${COREWRAP_INCLUDE_DIR})
703 # Value of GMX_BUILD_HELP=AUTO tries to generate things, but will only
704 # produce warnings if that fails.
705 set(build_help_default AUTO)
706 if (SOURCE_IS_SOURCE_DISTRIBUTION OR CMAKE_CROSSCOMPILING)
707 set(build_help_default OFF)
709 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)" ${build_help_default})
710 mark_as_advanced(GMX_BUILD_HELP)
711 if (GMX_BUILD_HELP AND SOURCE_IS_SOURCE_DISTRIBUTION AND BUILD_IS_INSOURCE)
713 "Rebuilding shell completions or man pages is not supported for "
714 "in-source builds from a source distribution. "
715 "Set GMX_BUILD_HELP=OFF or do an out-of-source build to proceed.")
718 # # # # # # # # # # NO MORE TESTS AFTER THIS LINE! # # # # # # # # # # #
719 # these are set after everything else
720 if (NOT GMX_SKIP_DEFAULT_CFLAGS)
721 set(CMAKE_C_FLAGS "${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${CMAKE_C_FLAGS}")
722 set(CMAKE_CXX_FLAGS "${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
723 set(CMAKE_EXE_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
724 set(CMAKE_SHARED_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
726 message("Recommended flags which are not added because GMX_SKIP_DEFAULT_CFLAGS=yes:")
727 message("CMAKE_C_FLAGS: ${SIMD_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${GMXC_CFLAGS}")
728 message("CMAKE_C_FLAGS_RELEASE: ${GMXC_CFLAGS_RELEASE}")
729 message("CMAKE_C_FLAGS_DEBUG: ${GMXC_CFLAGS_DEBUG}")
730 message("CMAKE_CXX_FLAGS: ${SIMD_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${GMXC_CXXFLAGS}")
731 message("CMAKE_CXX_FLAGS_RELEASE: ${GMXC_CXXFLAGS_RELEASE}")
732 message("CMAKE_CXX_FLAGS_DEBUG: ${GMXC_CXXFLAGS_DEBUG}")
733 message("CMAKE_EXE_LINKER_FLAGS: ${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS}")
734 message("CMAKE_SHARED_LINKER_FLAGS: ${MPI_LINKER_FLAGS}")
738 #Unset all OpenMP flags in case OpenMP was disabled either by the user
739 #or because it was only partially detected (e.g. only for C but not C++ compiler)
740 unset(OpenMP_C_FLAGS CACHE)
741 unset(OpenMP_CXX_FLAGS CACHE)
743 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} ${OpenMP_LINKER_FLAGS})
744 set(GMX_SHARED_LINKER_FLAGS ${GMX_SHARED_LINKER_FLAGS} ${OpenMP_SHARED_LINKER_FLAGS})
747 ########################################################################
748 # Specify install locations
749 ########################################################################
750 # Use GNUInstallDirs to set paths on multiarch systems.
751 include(GNUInstallDirs)
753 # Customization for the installation tree paths.
754 set(GMX_LIB_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR} CACHE STRING
755 "Library installation directory (default: ${CMAKE_INSTALL_LIBDIR})")
756 set(GMX_DATA_INSTALL_DIR gromacs CACHE STRING
757 "Data installation directory under share/ (default: gromacs)")
758 mark_as_advanced(GMX_LIB_INSTALL_DIR GMX_DATA_INSTALL_DIR)
760 # These variables are used internally to provide a central location for
761 # customizing the install locations.
762 set(LIB_INSTALL_DIR ${GMX_LIB_INSTALL_DIR})
763 set(BIN_INSTALL_DIR bin)
764 # This variable also gets written into config.h for use in finding the data
766 set(DATA_INSTALL_DIR share/${GMX_DATA_INSTALL_DIR})
767 set(MAN_INSTALL_DIR share/man)
768 # If the nesting level wrt. the installation root is changed,
769 # gromacs-config.cmake.cmakein needs to be adapted.
770 set(CMAKE_INSTALL_DIR share/cmake)
771 # TODO: Make GMXRC adapt if this is changed
772 set(PKGCONFIG_INSTALL_DIR ${LIB_INSTALL_DIR}/pkgconfig)
773 set(OCL_INSTALL_DIR ${DATA_INSTALL_DIR}/opencl)
774 set(INCL_INSTALL_DIR include)
776 list(APPEND INSTALLED_HEADER_INCLUDE_DIRS ${INCL_INSTALL_DIR})
778 # Binary and library suffix options
779 include(gmxManageSuffixes)
781 ################################################################
782 # Shared library load path settings
783 ################################################################
784 # CMake supports RPATH on OS X only from 2.8.12 upwards.
785 # CMAKE_SYSTEM_VERSION > 8.0 matches OS X 10.5 and above, where RPATH support
788 if(NOT GMX_BUILD_SHARED_EXE)
790 set(CMAKE_SKIP_RPATH TRUE)
791 set(CMAKE_EXE_LINK_DYNAMIC_C_FLAGS) # remove -Wl,-Bdynamic
792 set(CMAKE_EXE_LINK_DYNAMIC_CXX_FLAGS)
793 elseif((NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin") OR
794 ((CMAKE_SYSTEM_VERSION VERSION_GREATER 8.0) AND (NOT CMAKE_VERSION VERSION_LESS 2.8.12)))
795 # The build folder always has bin/ and lib/; if we are also going to
796 # install to lib/, then the installation RPATH works also in the build
797 # tree. This makes installation slightly faster (no need to rewrite the
798 # RPATHs), and makes the binaries in the build tree relocatable.
799 if(GMX_LIB_INSTALL_DIR STREQUAL "lib")
800 set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
802 # Set the RPATH as relative to the executable location to make the
803 # binaries relocatable.
804 if(NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
805 set(CMAKE_INSTALL_RPATH "\$ORIGIN/../${GMX_LIB_INSTALL_DIR}")
807 set(CMAKE_INSTALL_RPATH "@executable_path/../${GMX_LIB_INSTALL_DIR}")
809 set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
810 set(CMAKE_MACOSX_RPATH 1)
812 # We are on Darwin/OSX, and CMake cannot handle RPATHs automatically.
813 if(CMAKE_SYSTEM_VERSION VERSION_GREATER 8.0)
814 # Set the RPATH options manually.
815 set(CMAKE_INSTALL_NAME_DIR "@rpath")
816 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} "-Wl,-rpath,@executable_path/../${GMX_LIB_INSTALL_DIR}")
818 # Use the old INSTALL_NAME_DIR mechanism if RPATH is not supported.
819 set(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LIB_INSTALL_DIR}")
823 #COPYING file: Only necessary for binary distributions.
824 #Simpler to always install.
825 install(FILES COPYING DESTINATION ${DATA_INSTALL_DIR} COMPONENT data)
827 if (GMX_BUILD_FOR_COVERAGE)
828 # Code heavy with asserts makes conditional coverage close to useless metric,
829 # as by design most of the false branches are impossible to trigger in
830 # correctly functioning code. And the benefit of testing those that could
831 # be triggered by using an API against its specification isn't usually
833 add_definitions(-DNDEBUG -DGMX_DISABLE_ASSERTS)
837 # "tests" target builds all the separate test binaries.
838 add_custom_target(tests)
839 # "run-ctest" is an internal target that actually runs the tests.
840 # This is necessary to be able to add separate targets that execute as part
841 # of 'make check', but are ensured to be executed after the actual tests.
842 add_custom_target(run-ctest
843 COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
844 COMMENT "Running all tests"
846 add_dependencies(run-ctest tests)
847 # "check" target builds and runs all tests.
848 add_custom_target(check DEPENDS run-ctest)
851 if (NOT GMX_BUILD_MDRUN_ONLY)
852 add_subdirectory(docs)
853 add_subdirectory(share)
854 add_subdirectory(scripts)
856 add_subdirectory(src)
859 add_subdirectory(tests)
862 gmx_cpack_write_config()
864 # Issue a warning if NVIDIA GPUs were detected, but CUDA was not found.
865 # Don't bother the user after the first configure pass.
866 if ((CUDA_NOTFOUND_AUTO AND GMX_DETECT_GPU_AVAILABLE) AND NOT GMX_GPU_DETECTION_DONE)
867 message(WARNING "${CUDA_NOTFOUND_MESSAGE}")
869 set(GMX_GPU_DETECTION_DONE TRUE CACHE INTERNAL "Whether GPU detection has already been done")
871 #######################
873 #######################
874 CONFIGURE_FILE( "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
875 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake"
877 ###########################
878 ADD_CUSTOM_TARGET(uninstall
879 "${CMAKE_COMMAND}" -P
880 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake")
881 ###########################
882 set_directory_properties(PROPERTIES
883 ADDITIONAL_MAKE_CLEAN_FILES "install_manifest.txt")