2 # This file is part of the GROMACS molecular simulation package.
4 # Copyright (c) 2009,2010,2011,2012,2013,2014, by the GROMACS development team, led by
5 # Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
6 # and including many others, as listed in the AUTHORS file in the
7 # top-level source directory and at http://www.gromacs.org.
9 # GROMACS is free software; you can redistribute it and/or
10 # modify it under the terms of the GNU Lesser General Public License
11 # as published by the Free Software Foundation; either version 2.1
12 # of the License, or (at your option) any later version.
14 # GROMACS is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 # Lesser General Public License for more details.
19 # You should have received a copy of the GNU Lesser General Public
20 # License along with GROMACS; if not, see
21 # http://www.gnu.org/licenses, or write to the Free Software Foundation,
22 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 # If you want to redistribute modifications to GROMACS, please
25 # consider that scientific software is very special. Version
26 # control is crucial - bugs must be traceable. We will be happy to
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)
37 # CMake modules/macros are in a subdirectory to keep this file cleaner
38 # This needs to be set before project() in order to pick up toolchain files
39 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Platform)
43 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
44 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
45 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
47 # PROJECT_VERSION should have the following structure:
48 # VERSION-dev[-SUFFIX] where the VERSION should have the for: vMajor.vMinor.vPatch
50 # The "-dev" suffix is important to keep because it makes possible to distinguish
51 # between a build from official release and a build from git release branch on a
52 # machine with no git.
54 # NOTE: when releasing the "-dev" suffix needs to be stripped off!
55 set(PROJECT_VERSION "5.0-beta2-dev")
56 # The version number of the regressiontest tarball against which this
57 # git branch can be tested. Normally, this will be the version of the
58 # last patch release. Comment the next line out for branches leading
59 # to a major/minor release.
60 set(REGRESSIONTEST_VERSION "5.0-beta1")
61 set(CUSTOM_VERSION_STRING ""
62 CACHE STRING "Custom version string (if empty, use hard-coded default)")
63 mark_as_advanced(CUSTOM_VERSION_STRING)
64 if (CUSTOM_VERSION_STRING)
65 set(PROJECT_VERSION ${CUSTOM_VERSION_STRING})
66 endif (CUSTOM_VERSION_STRING)
67 set(LIBRARY_SOVERSION 0)
68 set(LIBRARY_VERSION ${LIBRARY_SOVERSION}.0.0)
69 # It is a bit irritating, but this has to be set separately for now!
70 SET(CPACK_PACKAGE_VERSION_MAJOR "5")
71 SET(CPACK_PACKAGE_VERSION_MINOR "0")
72 #SET(CPACK_PACKAGE_VERSION_PATCH "0")
74 # The numerical gromacs version. It is 40600 for 4.6.0.
75 # The #define GMX_VERSION in gromacs/version.h is set to this value.
77 "${CPACK_PACKAGE_VERSION_MAJOR}*10000 + ${CPACK_PACKAGE_VERSION_MINOR}*100")
78 if(CPACK_PACKAGE_VERSION_PATCH)
80 "${NUM_VERSION} + ${CPACK_PACKAGE_VERSION_PATCH}")
83 # The API version tracks the numerical Gromacs version (for now).
84 # It is potentially different from the Gromacs version in the future, if
85 # the programs/libraries diverge from the presumably more stable API.
86 # The #define GMX_API_VERSION in version.h is set to this value to
87 # provide backward compatibility of software written against the Gromacs API.
88 set(API_VERSION ${NUM_VERSION})
90 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND UNIX)
91 set(CMAKE_INSTALL_PREFIX "/usr/local/gromacs" CACHE STRING "Installation prefix (installation will need write permissions here)" FORCE)
94 set(GMX_INSTALL_PREFIX "" CACHE STRING "Prefix gets appended to CMAKE_INSTALL_PREFIX. For cpack it sets the root folder of the archive.")
95 mark_as_advanced(GMX_INSTALL_PREFIX)
97 include(gmxBuildTypeReference)
99 if(NOT CMAKE_BUILD_TYPE)
100 set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel Reference." FORCE)
101 # Set the possible values of build type for cmake-gui
102 set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
103 "MinSizeRel" "RelWithDebInfo")
104 endif(NOT CMAKE_BUILD_TYPE)
109 set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
110 set(CPACK_PACKAGE_VENDOR "gromacs.org")
111 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Gromacs - a toolkit for high-performance molecular simulation")
112 set(CPACK_RESOURCE_FILE_WELCOME "${CMAKE_SOURCE_DIR}/admin/InstallWelcome.txt")
113 # Its GPL/LGPL, so they do not have to agree to a license for mere usage, but some installers require this...
114 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_SOURCE_DIR}/COPYING")
115 set(CPACK_RESOURCE_FILE_README "${CMAKE_SOURCE_DIR}/admin/InstallInfo.txt")
116 set(CPACK_SOURCE_IGNORE_FILES "\\\\.isreposource$;\\\\.git/;\\\\.gitignore$")
117 set(CPACK_PROJECT_CONFIG_FILE "${CMAKE_SOURCE_DIR}/CPackInit.cmake")
118 set(CPACK_SOURCE_INSTALLED_DIRECTORIES "${CMAKE_SOURCE_DIR};/;${CMAKE_BINARY_DIR}/src/programs/completion;src/programs/completion;${CMAKE_BINARY_DIR}/share/man/man1;share/man/man1;${CMAKE_BINARY_DIR}/share/man/man7;share/man/man7;${CMAKE_BINARY_DIR}/share/html/final;share/html/final")
119 set(CPACK_PACKAGE_CONTACT "gmx-users@gromacs.org")
121 #must come after all cpack settings!
124 # Set a default valgrind suppression file.
125 # This unfortunately needs to duplicate information from CTest to work as
127 set(MEMORYCHECK_SUPPRESSIONS_FILE
128 "${CMAKE_SOURCE_DIR}/cmake/legacy_and_external.supp"
130 "File that contains suppressions for the memory checker")
133 set(SOURCE_IS_GIT_REPOSITORY OFF)
134 set(SOURCE_IS_SOURCE_DISTRIBUTION OFF)
135 if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
136 set(SOURCE_IS_GIT_REPOSITORY ON)
138 if(NOT EXISTS "${CMAKE_SOURCE_DIR}/admin/.isreposource")
139 set(SOURCE_IS_SOURCE_DISTRIBUTION ON)
142 ########################################################################
143 # Check and warn if cache generated on a different host is being reused
144 ########################################################################
146 execute_process(COMMAND hostname
147 OUTPUT_VARIABLE TMP_HOSTNAME
148 OUTPUT_STRIP_TRAILING_WHITESPACE)
149 if(GMX_BUILD_HOSTNAME AND NOT "${GMX_BUILD_HOSTNAME}" STREQUAL "${TMP_HOSTNAME}")
151 The CMake cache, probably generated on a different host (${GMX_BUILD_HOSTNAME}),
152 is being reused! This could lead to inconsitencies; therefore, it is
153 recommended to regenerate the cache!")
155 set(GMX_BUILD_HOSTNAME "${TMP_HOSTNAME}" CACHE INTERNAL
156 "Hostname of the machine where the cache was generated.")
159 ########################################################################
160 # User input options #
161 ########################################################################
162 include(gmxOptionUtilities)
164 set(CMAKE_PREFIX_PATH "" CACHE STRING "Extra locations to search for external libraries and tools (give directory without lib, bin, or include)")
166 option(GMX_DOUBLE "Use double precision (much slower, use only if you really need it)" OFF)
167 option(GMX_MPI "Build a parallel (message-passing) version of GROMACS" OFF)
168 option(GMX_THREAD_MPI "Build a thread-MPI-based multithreaded version of GROMACS (not compatible with MPI)" ON)
169 gmx_dependent_option(
171 "Enable MPI_IN_PLACE for MPIs that have it defined"
174 mark_as_advanced(GMX_MPI_IN_PLACE)
175 option(GMX_SOFTWARE_INVSQRT "Use GROMACS software 1/sqrt" ON)
176 mark_as_advanced(GMX_SOFTWARE_INVSQRT)
177 option(GMX_FAHCORE "Build a library with mdrun functionality" OFF)
178 mark_as_advanced(GMX_FAHCORE)
180 option(GMX_COOL_QUOTES "Enable Gromacs cool quotes" ON)
181 mark_as_advanced(GMX_COOL_QUOTES)
182 gmx_add_cache_dependency(GMX_COOL_QUOTES BOOL "NOT GMX_FAHCORE" OFF)
184 # decide on GPU settings based on user-settings and GPU/CUDA detection
185 include(gmxManageGPU)
187 # Detect the architecture the compiler is targetting, detect
188 # acceleration possibilities on that hardware, suggest an acceleration
189 # to use if none is specified, and populate the cache option for CPU
191 include(gmxDetectTargetArchitecture)
192 gmx_detect_target_architecture()
193 include(gmxDetectAcceleration)
194 gmx_detect_acceleration(GMX_SUGGESTED_CPU_ACCELERATION)
195 if("${GMX_SUGGESTED_CPU_ACCELERATION}" STREQUAL "AVX2_256")
196 message(STATUS "Changing acceleration from AVX2 to AVX (until AVX2 patches commited).")
197 set(GMX_SUGGESTED_CPU_ACCELERATION "AVX_256")
200 gmx_option_multichoice(
202 "Acceleration for CPU kernels and compiler optimization"
203 "${GMX_SUGGESTED_CPU_ACCELERATION}"
204 None SSE2 SSE4.1 AVX_128_FMA AVX_256 AVX2_256 IBM_QPX Sparc64_HPC_ACE Reference)
206 gmx_option_multichoice(
210 fftw3 mkl "fftpack[built-in]")
211 gmx_dependent_option(
213 "Download and build FFTW 3 during the GROMACS build process, rather than fall back on the really slow fftpack."
215 "GMX_FFT_LIBRARY STREQUAL FFTW3")
216 gmx_dependent_option(
217 GMX_DISABLE_FFTW_MEASURE
218 "Do not optimize FFTW setups (not needed with SSE)"
220 "GMX_FFT_LIBRARY STREQUAL FFTW3")
221 mark_as_advanced(GMX_BUILD_OWN_FFTW)
222 mark_as_advanced(GMX_DISABLE_FFTW_MEASURE)
224 gmx_option_multichoice(
226 "QM package for QM/MM"
228 none gaussian mopac gamess orca)
230 gmx_dependent_cache_variable(GMX_NBNXN_REF_KERNEL_TYPE "Reference kernel type (4xn or 2xnn)" STRING "4xn" "GMX_CPU_ACCELERATION STREQUAL REFERENCE")
231 gmx_dependent_cache_variable(GMX_NBNXN_REF_KERNEL_WIDTH "Reference kernel width" STRING "4" "GMX_CPU_ACCELERATION STREQUAL REFERENCE")
233 option(GMX_BROKEN_CALLOC "Work around broken calloc()" OFF)
234 mark_as_advanced(GMX_BROKEN_CALLOC)
235 option(GMX_LOAD_PLUGINS "Compile with plugin support, needed to read VMD supported file formats" ON)
236 mark_as_advanced(GMX_LOAD_PLUGINS)
238 option(GMX_GPU "Enable GPU acceleration" ON)
239 option(GMX_OPENMP "Enable OpenMP-based multithreading" ON)
241 option(GMX_USE_TNG "Use the TNG library for trajectory I/O" ON)
243 option(GMX_GIT_VERSION_INFO "Generate git version information" ${SOURCE_IS_GIT_REPOSITORY})
244 mark_as_advanced(GMX_GIT_VERSION_INFO)
247 option(GMX_SYMLINK_OLD_BINARY_NAMES "Create symbolic links for pre-5.0 binary names" 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)
263 ######################################################################
264 # Detect OpenMP support
265 ######################################################################
266 # The OpenMP detection _must_ come before tests for other CFLAGS.
267 include(gmxManageOpenMP)
271 ######################################################################
273 # These need to be done early (before further tests).
274 #####################################################################
276 # The cmake/Check{C,CXX}CompilerFlag.cmake files in the GROMACS distribution
277 # are used with permission from CMake v2.8.9 so that GROMACS can detect
278 # invalid options with the Intel Compilers.
279 # These files should be removed from the source tree when a CMake version that
280 # includes the features in question becomes required for building GROMACS.
281 include(CheckCCompilerFlag)
282 include(CheckCXXCompilerFlag)
288 # This variable should be used for additional compiler flags which are not
289 # generated in gmxCFlags nor are acceleration or MPI related.
290 set(EXTRA_C_FLAGS "")
291 set(EXTRA_CXX_FLAGS "")
293 # Run through a number of tests for buggy compilers and other issues
294 include(gmxTestCompilerProblems)
295 gmx_test_compiler_problems()
300 add_definitions(-DGMX_DOUBLE)
301 set(PKG_CFLAGS "${PKG_CFLAGS} -DGMX_DOUBLE")
303 if(GMX_SOFTWARE_INVSQRT)
304 set(PKG_CFLAGS "${PKG_CFLAGS} -DGMX_SOFTWARE_INVSQRT")
305 endif(GMX_SOFTWARE_INVSQRT)
309 ########################################################################
310 # Basic system tests (standard libraries, headers, functions, types) #
311 ########################################################################
312 include(CheckIncludeFiles)
313 include(CheckIncludeFileCXX)
314 check_include_files(unistd.h HAVE_UNISTD_H)
315 check_include_files(pwd.h HAVE_PWD_H)
316 check_include_files(dirent.h HAVE_DIRENT_H)
317 check_include_files(time.h HAVE_TIME_H)
318 check_include_files(sys/time.h HAVE_SYS_TIME_H)
319 check_include_files(io.h HAVE_IO_H)
320 check_include_files(sched.h HAVE_SCHED_H)
322 check_include_files(regex.h HAVE_POSIX_REGEX)
323 check_include_file_cxx(regex HAVE_CXX11_REGEX)
324 # TODO: It could be nice to inform the user if no regex support is found,
325 # as selections won't be fully functional.
327 include(CheckFunctionExists)
328 check_function_exists(posix_memalign HAVE_POSIX_MEMALIGN)
329 check_function_exists(memalign HAVE_MEMALIGN)
330 check_function_exists(_aligned_malloc HAVE__ALIGNED_MALLOC)
331 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
332 check_function_exists(fsync HAVE_FSYNC)
333 check_function_exists(_fileno HAVE__FILENO)
334 check_function_exists(fileno HAVE_FILENO)
335 check_function_exists(_commit HAVE__COMMIT)
336 check_function_exists(sigaction HAVE_SIGACTION)
337 check_function_exists(sysconf HAVE_SYSCONF)
338 check_function_exists(sched_setaffinity HAVE_SCHED_SETAFFINITY)
339 check_function_exists(sched_getaffinity HAVE_SCHED_GETAFFINITY)
340 check_function_exists(rsqrt HAVE_RSQRT)
341 check_function_exists(rsqrtf HAVE_RSQRTF)
342 check_function_exists(sqrtf HAVE_SQRTF)
344 include(CheckLibraryExists)
345 check_library_exists(m sqrt "" HAVE_LIBM)
346 check_library_exists(rt clock_gettime "" HAVE_CLOCK_GETTIME)
348 include(TestBigEndian)
349 test_big_endian(GMX_INTEGER_BIG_ENDIAN)
351 # Management of GROMACS options for specific toolchains should go
352 # here. Because the initial settings for some of the main options have
353 # already happened, but things like library detection and MPI compiler
354 # feature detection have not, the docstrings for any over-rides of
355 # GROMACS defaults or user settings will make sense. Also, any
356 # toolchain-related reasons for choosing whether to detect various
357 # things can be sorted out now, before the detection takes place.
358 if(${CMAKE_SYSTEM_NAME} MATCHES BlueGene)
359 include(gmxManageBlueGene)
362 ########################################################################
363 #Process MPI settings
364 ########################################################################
365 include(gmxManageMPI)
368 ########################################################################
369 #Process shared/static library settings
370 ########################################################################
371 include(gmxManageSharedLibraries)
374 ########################################################################
375 # Find external packages #
376 ########################################################################
378 # Unconditionally find the package, as it is also required for unit
379 # tests. This exports LIBXML2_FOUND, which we should not use because
380 # it does not tell us that linking will succeed. Instead, we test that
382 find_package(LibXml2)
383 include(gmxTestLibXml2)
384 gmx_test_libxml2(HAVE_LIBXML2)
385 option(GMX_XML "Use libxml2 to parse xml files (currently has no effect)" ${HAVE_LIBXML2})
387 mark_as_advanced(GMX_XML)
388 # Don't actually do anything, since libxml2 is currently not used by libgromacs
389 #if(GMX_XML AND NOT HAVE_LIBXML2)
390 # message(FATAL_ERROR "libxml2 not found. Set GMX_XML=OFF to compile without XML support")
393 # include_directories(${LIBXML2_INCLUDE_DIR})
394 # set(PKG_XML libxml-2.0)
395 # set(XML_LIBRARIES ${LIBXML2_LIBRARIES})
398 option(GMX_GSL "Add support for gsl" OFF)
403 include_directories(${GSL_INCLUDE_DIR})
409 option(GMX_X11 "Use X window system" OFF)
412 # X11 includes/libraries are only set in the ngmx subdirectory!
415 "X11 include files and/or libraries were not found. "
416 "Set GMX_X11=OFF to compile without X11 support. "
417 "gmx view will not be available.")
419 include_directories(${X11_INCLUDE_DIR})
423 set(THREAD_MPI_LIB thread_mpi)
424 # Enable core threading facilities
425 tmpi_enable_core("${CMAKE_SOURCE_DIR}/src/gromacs/legacyheaders")
426 # Enable tMPI C++ support
429 # enable MPI functions
431 set(PKG_CFLAGS "${PKG_CFLAGS} -DGMX_THREAD_MPI")
433 set(MPI_IN_PLACE_EXISTS 1)
434 endif(GMX_THREAD_MPI)
435 tmpi_get_source_list(THREAD_MPI_SRC)
438 # now that we have detected the dependencies, do the second configure pass
446 if(WIN32 AND NOT CYGWIN)
447 set(GMX_NATIVE_WINDOWS 1)
448 # This makes windows.h not declare min/max as macros that would break
449 # C++ code using std::min/std::max.
450 add_definitions(-DNOMINMAX)
453 # only bother with finding git and using version.h if the source is a git repo
454 if(GMX_GIT_VERSION_INFO)
455 if (NOT SOURCE_IS_GIT_REPOSITORY)
457 "Cannot generate git version information from source tree not under git. "
458 "Set GMX_GIT_VERSION_INFO=OFF to proceed.")
460 # We need at least git v1.5.3 be able to parse git's date output. If not
461 # found or the version is too small, we can't generate version information.
464 if(NOT GIT_FOUND OR GIT_VERSION_STRING VERSION_LESS "1.5.3")
466 "No compatible git version found (>= 1.5.3 required). "
467 "Won't be able to generate development version information. "
468 "Set GMX_GIT_VERSION_INFO=OFF to proceed.")
472 # Detect boost unless GMX_EXTERNAL_BOOST is explicitly OFF
473 # Used for default if GMX_EXTERNAL_BOOST is not defined (first CMake pass)
474 if(NOT DEFINED GMX_EXTERNAL_BOOST OR GMX_EXTERNAL_BOOST)
475 find_package(Boost 1.44.0)
476 if(Boost_FOUND AND Boost_VERSION VERSION_LESS "104400")
477 set(Boost_FOUND FALSE)
479 # Print the notification only on first run, when determining the default
480 if(NOT DEFINED GMX_EXTERNAL_BOOST AND NOT Boost_FOUND)
481 message("Boost >= 1.44 not found. Using minimal internal version. "
482 "This may cause trouble if you plan on compiling/linking other "
483 "software that uses Boost against Gromacs.")
486 option(GMX_EXTERNAL_BOOST "Use external Boost instead of minimal built-in version"
488 if(GMX_EXTERNAL_BOOST AND NOT Boost_FOUND)
490 "Boost >= 1.44 not found. "
491 "You can set GMX_EXTERNAL_BOOST=OFF to compile against minimal "
492 "version of Boost included with Gromacs.")
495 option(GMX_BUILD_UNITTESTS "Build unit tests with BUILD_TESTING (uses Google C++ Testing and Mocking Frameworks, requires libxml2)" ${HAVE_LIBXML2})
496 mark_as_advanced(GMX_BUILD_UNITTESTS)
497 gmx_add_cache_dependency(GMX_BUILD_UNITTESTS BOOL BUILD_TESTING OFF)
498 if (GMX_BUILD_UNITTESTS AND NOT HAVE_LIBXML2)
500 "Cannot build unit tests without libxml2. "
501 "Either set GMX_BUILD_UNITTESTS=OFF or tell CMake how to find a working version of libxml2.")
504 ########################################################################
505 # Generate development version info for cache
506 ########################################################################
507 # set(GEN_VERSION_INFO_INTERNAL "ON")
508 # include(gmxGenerateVersionString)
510 ########################################################################
511 # Our own GROMACS tests
512 ########################################################################
514 add_definitions( -DHAVE_CONFIG_H )
515 include_directories(${CMAKE_SOURCE_DIR}/src)
516 # Required for config.h, maybe should only be set in src/CMakeLists.txt
517 include_directories(${CMAKE_BINARY_DIR}/src)
518 # Required for gmx_header_config_gen.h to be found before installation
519 include_directories(${CMAKE_BINARY_DIR}/src/gromacs/utility)
520 # Required for now to make old code compile
521 include_directories(${CMAKE_SOURCE_DIR}/src/gromacs/legacyheaders)
523 include(gmxTestInlineASM)
524 gmx_test_inline_asm_gcc_x86(GMX_X86_GCC_INLINE_ASM)
526 include(gmxSetBuildInformation)
527 gmx_set_build_information()
528 if(BUILD_CPU_FEATURES MATCHES "rdtscp" AND NOT GMX_DISTRIBUTABLE_BUILD)
530 endif(BUILD_CPU_FEATURES MATCHES "rdtscp" AND NOT GMX_DISTRIBUTABLE_BUILD)
532 include(gmxTestFloatFormat)
533 gmx_test_float_format(GMX_FLOAT_FORMAT_IEEE754
534 GMX_IEEE754_BIG_ENDIAN_BYTE_ORDER
535 GMX_IEEE754_BIG_ENDIAN_WORD_ORDER)
537 include(gmxTestLargeFiles)
538 gmx_test_large_files(GMX_LARGEFILES)
540 include(gmxTestSignal)
541 gmx_test_sigusr1(HAVE_SIGUSR1)
543 include(gmxTestInline)
544 gmx_test_inline(INLINE_KEYWORD)
546 include(gmxTestRestrict)
547 gmx_test_restrict(RESTRICT_KEYWORD)
549 include(gmxTestPipes)
550 gmx_test_pipes(HAVE_PIPES)
552 include(gmxTestIsfinite)
553 gmx_test_isfinite(HAVE_ISFINITE)
554 gmx_test__isfinite(HAVE__ISFINITE)
555 gmx_test__finite(HAVE__FINITE)
557 include(gmxTestCXX11)
558 gmx_test_cxx11(GMX_CXX11_SUPPORTED GMX_CXX11_FLAGS)
559 include(CMakeDependentOption)
560 # nvcc does not support C++11 flags, so with GPUs we prefer to skip C++11 flags
561 # entirely to keep the compilation environment uniform.
562 cmake_dependent_option(GMX_CXX11
564 ON "GMX_CXX11_SUPPORTED AND NOT GMX_GPU" OFF)
565 mark_as_advanced(GMX_CXX11)
567 set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} ${GMX_CXX11_FLAGS}")
572 gmx_test_xdr(GMX_SYSTEM_XDR)
573 if(NOT GMX_SYSTEM_XDR)
574 set(GMX_INTERNAL_XDR 1)
575 endif(NOT GMX_SYSTEM_XDR)
578 ##################################################
579 # Process CPU acceleration settings
580 ##################################################
581 # This checks what flags to add in order to
582 # support the SIMD instructions we need, and sets
583 # correct defines for the acceleration supported.
584 include(gmxTestCPUAcceleration)
585 gmx_test_cpu_acceleration()
588 # Process QM/MM Settings
589 if(${GMX_QMMM_PROGRAM} STREQUAL "GAUSSIAN")
590 set(GMX_QMMM_GAUSSIAN 1)
591 elseif(${GMX_QMMM_PROGRAM} STREQUAL "MOPAC")
592 set(GMX_QMMM_MOPAC 1)
593 elseif(${GMX_QMMM_PROGRAM} STREQUAL "GAMESS")
594 set(GMX_QMMM_GAMESS 1)
595 elseif(${GMX_QMMM_PROGRAM} STREQUAL "ORCA")
597 elseif(${GMX_QMMM_PROGRAM} STREQUAL "NONE")
600 gmx_invalid_option_value(GMX_QMMM_PROGRAM)
604 ##################################################
605 # Process FFT library settings
606 ##################################################
607 include(gmxManageFFTLibraries)
610 include(gmxManageLinearAlgebraLibraries)
612 # Whether GROMACS will really try to compile support for VMD plugins
613 set(GMX_USE_PLUGINS OFF)
616 if(CYGWIN OR NOT WIN32)
617 # Native Windows does not have, nor need dlopen
618 # Note that WIN32 is set with Cygwin, but Cygwin needs dlopen to use plug-ins
619 include(gmxTestdlopen)
620 gmx_test_dlopen(HAVE_DLOPEN)
623 # so, should we use plug-ins?
624 if((WIN32 AND NOT CYGWIN) OR (HAVE_DLOPEN AND BUILD_SHARED_LIBS))
627 "Found the ability to use plug-ins when building shared libaries, "
628 "so will compile to use plug-ins (e.g. to read VMD-supported file "
631 if(NOT GMX_VMD_PLUGIN_PATH)
634 set(GMX_USE_PLUGINS ON)
635 list(APPEND GMX_EXTRA_LIBRARIES ${CMAKE_DL_LIBS}) # magic cross-platform pre-set variable for dlopen library
636 set(PKG_DL_LIBS "-l${CMAKE_DL_LIBS}")
640 endif(GMX_LOAD_PLUGINS)
641 set(VMD_QUIETLY TRUE CACHE INTERNAL "")
643 # Link real-time library for POSIX timers. The check for clock_gettime
644 # confirms the linkability of rt.
645 if(HAVE_TIME_H AND HAVE_UNISTD_H AND HAVE_CLOCK_GETTIME)
646 list(APPEND GMX_EXTRA_LIBRARIES rt)
649 # Math and thread libraries must often come after all others when linking...
651 list(APPEND GMX_EXTRA_LIBRARIES m)
653 if (${CMAKE_SYSTEM_NAME} MATCHES "BlueGene")
654 check_library_exists(mass_simd atan2f4 "" HAVE_MASS_SIMD)
656 list(APPEND GMX_EXTRA_LIBRARIES mass_simd)
658 message(FATAL_ERROR "Could not link to the SIMD version of the IBM MASS library. Please adjust your CMAKE_PREFIX_PATH to contain it")
663 option(GMX_NACL "Configure for Native Client builds" OFF)
665 list(APPEND GMX_EXTRA_LIBRARIES nosys)
666 set(GMX_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lnosys")
670 mark_as_advanced(GMX_NACL)
673 set(COREWRAP_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/../corewrap" CACHE STRING
674 "Path to swindirect.h")
675 include_directories(${COREWRAP_INCLUDE_DIR})
678 option(GMX_BUILD_HELP "Build man pages, HTML help, and completions automatically (requires that compiled binaries can be executed on the build host)" OFF)
679 mark_as_advanced(GMX_BUILD_HELP)
680 if (GMX_BUILD_HELP AND SOURCE_IS_SOURCE_DISTRIBUTION AND
681 "${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}")
684 "Rebuilding HTML and man pages is not supported for in-source "
685 "builds from a source distribution. "
686 "Set GMX_BUILD_HELP=OFF or do an out-of-source build to proceed.")
689 # # # # # # # # # # NO MORE TESTS AFTER THIS LINE! # # # # # # # # # # #
690 # these are set after everything else
691 if (NOT GMX_SKIP_DEFAULT_CFLAGS)
692 set(CMAKE_C_FLAGS "${ACCELERATION_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${CMAKE_C_FLAGS}")
693 set(CMAKE_CXX_FLAGS "${ACCELERATION_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
694 set(CMAKE_EXE_LINKER_FLAGS "${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
695 set(CMAKE_SHARED_LINKER_FLAGS "${MPI_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
697 message("Recommended flags which are not added because GMX_SKIP_DEFAULT_CFLAGS=yes:")
698 message("CMAKE_C_FLAGS: ${ACCELERATION_C_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_C_FLAGS} ${GMXC_CFLAGS}")
699 message("CMAKE_C_FLAGS_RELEASE: ${GMXC_CFLAGS_RELEASE}")
700 message("CMAKE_C_FLAGS_DEBUG: ${GMXC_CFLAGS_DEBUG}")
701 message("CMAKE_CXX_FLAGS: ${ACCELERATION_CXX_FLAGS} ${MPI_COMPILE_FLAGS} ${EXTRA_CXX_FLAGS} ${GMXC_CXXFLAGS}")
702 message("CMAKE_CXX_FLAGS_RELEASE: ${GMXC_CXXFLAGS_RELEASE}")
703 message("CMAKE_CXX_FLAGS_DEBUG: ${GMXC_CXXFLAGS_DEBUG}")
704 message("CMAKE_EXE_LINKER_FLAGS: ${FFT_LINKER_FLAGS} ${MPI_LINKER_FLAGS}")
705 message("CMAKE_SHARED_LINKER_FLAGS: ${MPI_LINKER_FLAGS}")
709 #Unset all OpenMP flags in case OpenMP was disabled either by the user
710 #or because it was only partially detected (e.g. only for C but not C++ compiler)
711 unset(OpenMP_C_FLAGS CACHE)
712 unset(OpenMP_CXX_FLAGS CACHE)
714 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} ${OpenMP_LINKER_FLAGS})
715 set(GMX_SHARED_LINKER_FLAGS ${GMX_SHARED_LINKER_FLAGS} ${OpenMP_SHARED_LINKER_FLAGS})
717 set(PKG_CFLAGS "${PKG_CFLAGS} ${OpenMP_C_FLAGS}")
719 ########################################################################
720 # Specify install locations
721 ########################################################################
722 set(GMX_LIB_INSTALL_DIR lib CACHE STRING
723 "Library installation directory (default: lib)")
724 set(GMX_DATA_INSTALL_DIR gromacs CACHE STRING
725 "Data installation directory under share/ (default: gromacs)")
726 mark_as_advanced(GMX_LIB_INSTALL_DIR GMX_DATA_INSTALL_DIR)
728 set(LIB_INSTALL_DIR ${GMX_INSTALL_PREFIX}${GMX_LIB_INSTALL_DIR})
729 set(BIN_INSTALL_DIR ${GMX_INSTALL_PREFIX}bin)
730 set(DATA_INSTALL_DIR ${GMX_INSTALL_PREFIX}share/${GMX_DATA_INSTALL_DIR})
731 set(MAN_INSTALL_DIR ${GMX_INSTALL_PREFIX}share/man)
732 set(INCL_INSTALL_DIR ${GMX_INSTALL_PREFIX}include)
734 set(GMXLIB_SEARCH_DIR share/${GMX_DATA_INSTALL_DIR}/top)
735 set(GMXLIB_FALLBACK ${CMAKE_INSTALL_PREFIX}/${DATA_INSTALL_DIR}/top)
737 # Binary and library suffix options
738 include(gmxManageSuffixes)
740 ##################################################################
741 # Shared library settings
742 ##################################################################
743 if(NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
744 set(CMAKE_SKIP_BUILD_RPATH FALSE)
745 set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
746 set(CMAKE_INSTALL_RPATH "\\\$ORIGIN/../${GMXLIB}")
747 set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
749 if(CMAKE_SYSTEM_VERSION VERSION_GREATER 8.0) #rpath supported for >10.4
750 set(CMAKE_INSTALL_NAME_DIR "@rpath")
751 set(GMX_EXE_LINKER_FLAGS ${GMX_EXE_LINKER_FLAGS} "-Wl,-rpath,@executable_path/../lib")
753 set(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LIB_INSTALL_DIR}")
757 #COPYING file: Only necessary for binary distributions.
758 #Simpler to always install.
759 install(FILES COPYING DESTINATION ${DATA_INSTALL_DIR} COMPONENT data)
761 if(GMX_EXTERNAL_BOOST)
762 include_directories(${Boost_INCLUDE_DIRS})
764 include_directories(${CMAKE_SOURCE_DIR}/src/external/boost)
765 # typeid not supported for minimal internal version
766 # (would add significant amount of code)
767 add_definitions(-DBOOST_NO_TYPEID)
768 # TODO: Propagate the above settings to the installed CMakeFiles.txt template
769 # (from share/template/)
770 set(PKG_CFLAGS "${PKG_CFLAGS} -DBOOST_NO_TYPEID -I${CMAKE_INSTALL_PREFIX}/${INCL_INSTALL_DIR}/gromacs/external/boost")
771 if (NOT GMX_BUILD_MDRUN_ONLY)
772 install(DIRECTORY ${CMAKE_SOURCE_DIR}/src/external/boost/boost
773 DESTINATION ${INCL_INSTALL_DIR}/gromacs/external/boost
774 COMPONENT development)
778 # TODO The Windows builds are still broken (we are avoiding some
779 # unknown bug, perhaps with checkpointing?), because defaulting to
780 # .tng output leads to calling null-op implementation functions, so
781 # regressiontests will fail on Windows at the post-mdrun stages. We
782 # can fix this during the 5.0 beta phase.
783 gmx_add_cache_dependency(GMX_USE_TNG BOOL "NOT GMX_NATIVE_WINDOWS" OFF)
787 set(TNG_BUILD_FORTRAN OFF CACHE BOOL "Build Fortran compatible TNG library and examples for testing")
788 set(TNG_BUILD_EXAMPLES OFF CACHE BOOL "Build examples showing usage of the TNG API")
789 set(TNG_BUILD_COMPRESSION_TESTS OFF CACHE BOOL "Build tests of the TNG compression library")
790 # TODO reconsider use of OpenMP in TNG if/when trajectory writing is not serial in mdrun
791 set(TNG_USE_OPENMP ${GMX_OPENMP} CACHE BOOL "Try to use the OpenMP library (if available) with TNG")
792 set(TNG_BUILD_DOCUMENTATION OFF CACHE BOOL "Use Doxygen to create the HTML based TNG API documentation")
793 set(TNG_BUILD_TEST OFF CACHE BOOL "Build TNG testing binary.")
794 add_subdirectory(${CMAKE_SOURCE_DIR}/src/external/tng_io)
795 set(GMX_TNG_LIBRARIES tng_io)
797 mark_as_advanced(TNG_BUILD_FORTRAN)
798 mark_as_advanced(TNG_BUILD_EXAMPLES)
799 mark_as_advanced(TNG_BUILD_COMPRESSION_TESTS)
800 mark_as_advanced(TNG_USE_OPENMP)
801 mark_as_advanced(TNG_BUILD_DOCUMENTATION)
802 mark_as_advanced(TNG_BUILD_TEST)
803 mark_as_advanced(TNG_EXAMPLE_FILES_DIR)
805 if (GMX_BUILD_FOR_COVERAGE)
806 # Code heavy with asserts makes conditional coverage close to useless metric,
807 # as by design most of the false branches are impossible to trigger in
808 # correctly functioning code. And the benefit of testing those that could
809 # be triggered by using an API against its specification isn't usually
811 add_definitions(-DNDEBUG -DBOOST_DISABLE_ASSERTS -DGMX_DISABLE_ASSERTS)
815 # "tests" target builds all the separate test binaries.
816 add_custom_target(tests)
817 # "run-ctest" is an internal target that actually runs the tests.
818 # This is necessary to be able to add separate targets that execute as part
819 # of 'make check', but are ensured to be executed after the actual tests.
820 add_custom_target(run-ctest
821 COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
822 COMMENT "Running all tests"
824 add_dependencies(run-ctest tests)
825 # "check" target builds and runs all tests.
826 add_custom_target(check DEPENDS run-ctest)
829 if (NOT GMX_BUILD_MDRUN_ONLY)
830 add_subdirectory(doxygen)
831 add_subdirectory(share)
832 add_subdirectory(scripts)
834 add_subdirectory(src)
837 add_subdirectory(tests)
840 # Issue a warning if NVIDIA GPUs were detected, but CUDA was not found.
841 # Don't bother the user after the first configure pass.
842 if ((CUDA_NOTFOUND_AUTO AND GMX_DETECT_GPU_AVAILABLE) AND NOT GMX_GPU_DETECTION_DONE)
843 message(WARNING "${CUDA_NOTFOUND_MESSAGE}")
845 set(GMX_GPU_DETECTION_DONE TRUE CACHE INTERNAL "Whether GPU detection has already been done")
847 #######################
849 #######################
851 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
852 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake"
854 ###########################
855 ADD_CUSTOM_TARGET(uninstall
856 "${CMAKE_COMMAND}" -P
857 "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake")
858 ###########################
860 ########################################################################
862 ########################################################################
864 option(GMX_BUILD_MANUAL "Whether to try to configure to build the PDF manual" OFF)
865 mark_as_advanced(GMX_BUILD_MANUAL)
867 # Make sure we only do detection of manual-building dependencies
868 # when the user opted in for that.
869 add_subdirectory(manual)