# # This file is part of the GROMACS molecular simulation package. # # Copyright (c) 2019,2020, by the GROMACS development team, led by # Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl, # and including many others, as listed in the AUTHORS file in the # top-level source directory and at http://www.gromacs.org. # # GROMACS is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public License # as published by the Free Software Foundation; either version 2.1 # of the License, or (at your option) any later version. # # GROMACS is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with GROMACS; if not, see # http://www.gnu.org/licenses, or write to the Free Software Foundation, # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. # # If you want to redistribute modifications to GROMACS, please # consider that scientific software is very special. Version # control is crucial - bugs must be traceable. We will be happy to # consider code for inclusion in the official distribution, but # derived work must not be called official GROMACS. Details are found # in the README & COPYING files - if they are missing, get the # official version at http://www.gromacs.org. # # To help us fund GROMACS development, we humbly ask that you cite # the research papers on the package. Check out http://www.gromacs.org. ### # # @copyright (c) 2009-2014 The University of Tennessee and The University # of Tennessee Research Foundation. # All rights reserved. # @copyright (c) 2012-2014 Inria. All rights reserved. # @copyright (c) 2012-2014 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved. # ### # # - Find HWLOC include dirs and libraries # Use this module by invoking find_package with the form: # find_package(HWLOC # [REQUIRED]) # Fail with error if hwloc is not found # # This module finds headers and hwloc library. # Results are reported in variables: # HWLOC_FOUND - True if headers and requested libraries were found # HWLOC_INCLUDE_DIRS - hwloc include directories # HWLOC_LIBRARY_DIRS - Link directories for hwloc libraries # HWLOC_LIBRARIES - hwloc component libraries to be linked # # The user can give specific paths where to find the libraries adding cmake # options at configure (ex: cmake path/to/project -DHWLOC_DIR=path/to/hwloc): # HWLOC_DIR - Where to find the base directory of hwloc # HWLOC_INCDIR - Where to find the header files # HWLOC_LIBDIR - Where to find the library files # The module can also look for the following environment variables if paths # are not given as cmake variable: HWLOC_DIR, HWLOC_INCDIR, HWLOC_LIBDIR #============================================================================= # Copyright 2012-2013 Inria # Copyright 2012-2013 Emmanuel Agullo # Copyright 2012-2013 Mathieu Faverge # Copyright 2012 Cedric Castagnede # Copyright 2013 Florent Pruvost # # Distributed under the OSI-approved BSD License (the "License"); # see accompanying file MORSE-Copyright.txt for details. # # This software is distributed WITHOUT ANY WARRANTY; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # See the License for more information. #============================================================================= # (To distribute this file outside of Morse, substitute the full # License text for the above reference.) include(CheckStructHasMember) include(CheckCSourceCompiles) if (NOT HWLOC_FOUND) set(HWLOC_DIR "" CACHE PATH "Installation directory of HWLOC library") endif() set(ENV_HWLOC_DIR "$ENV{HWLOC_DIR}") set(ENV_HWLOC_INCDIR "$ENV{HWLOC_INCDIR}") set(ENV_HWLOC_LIBDIR "$ENV{HWLOC_LIBDIR}") set(HWLOC_GIVEN_BY_USER "FALSE") if ( HWLOC_DIR OR ( HWLOC_INCDIR AND HWLOC_LIBDIR) OR ENV_HWLOC_DIR OR (ENV_HWLOC_INCDIR AND ENV_HWLOC_LIBDIR) ) set(HWLOC_GIVEN_BY_USER "TRUE") endif() if (NOT HWLOC_FIND_QUIETLY) message(STATUS "Looking for HWLOC") endif() # Looking for include # ------------------- # Add system include paths to search include # ------------------------------------------ unset(_inc_env) if(ENV_HWLOC_INCDIR) list(APPEND _inc_env "${ENV_HWLOC_INCDIR}") elseif(ENV_HWLOC_DIR) list(APPEND _inc_env "${ENV_HWLOC_DIR}") list(APPEND _inc_env "${ENV_HWLOC_DIR}/include") list(APPEND _inc_env "${ENV_HWLOC_DIR}/include/hwloc") else() if(WIN32) string(REPLACE ":" ";" _inc_env "$ENV{INCLUDE}") else() string(REPLACE ":" ";" _path_env "$ENV{INCLUDE}") list(APPEND _inc_env "${_path_env}") string(REPLACE ":" ";" _path_env "$ENV{C_INCLUDE_PATH}") list(APPEND _inc_env "${_path_env}") string(REPLACE ":" ";" _path_env "$ENV{CPATH}") list(APPEND _inc_env "${_path_env}") string(REPLACE ":" ";" _path_env "$ENV{INCLUDE_PATH}") list(APPEND _inc_env "${_path_env}") endif() endif() list(APPEND _inc_env "${CMAKE_PLATFORM_IMPLICIT_INCLUDE_DIRECTORIES}") list(APPEND _inc_env "${CMAKE_C_IMPLICIT_INCLUDE_DIRECTORIES}") list(REMOVE_DUPLICATES _inc_env) # set paths where to look for set(PATH_TO_LOOK_FOR "${_inc_env}") # Try to find the hwloc header in the given paths # ------------------------------------------------- # call cmake macro to find the header path if(HWLOC_INCDIR) set(HWLOC_hwloc.h_DIRS "HWLOC_hwloc.h_DIRS-NOTFOUND") find_path(HWLOC_hwloc.h_DIRS NAMES hwloc.h HINTS ${HWLOC_INCDIR}) else() if(HWLOC_DIR) set(HWLOC_hwloc.h_DIRS "HWLOC_hwloc.h_DIRS-NOTFOUND") find_path(HWLOC_hwloc.h_DIRS NAMES hwloc.h HINTS ${HWLOC_DIR} PATH_SUFFIXES "include" "include/hwloc") else() set(HWLOC_hwloc.h_DIRS "HWLOC_hwloc.h_DIRS-NOTFOUND") find_path(HWLOC_hwloc.h_DIRS NAMES hwloc.h HINTS ${PATH_TO_LOOK_FOR} PATH_SUFFIXES "hwloc") endif() endif() mark_as_advanced(HWLOC_hwloc.h_DIRS) # Add path to cmake variable # ------------------------------------ if (HWLOC_hwloc.h_DIRS) set(HWLOC_INCLUDE_DIRS "${HWLOC_hwloc.h_DIRS}") else () set(HWLOC_INCLUDE_DIRS "HWLOC_INCLUDE_DIRS-NOTFOUND") if(NOT HWLOC_FIND_QUIETLY) message(STATUS "Looking for hwloc -- hwloc.h not found") endif() endif () if (HWLOC_INCLUDE_DIRS) list(REMOVE_DUPLICATES HWLOC_INCLUDE_DIRS) endif () # Looking for lib # --------------- # Add system library paths to search lib # -------------------------------------- unset(_lib_env) if(ENV_HWLOC_LIBDIR) list(APPEND _lib_env "${ENV_HWLOC_LIBDIR}") elseif(ENV_HWLOC_DIR) list(APPEND _lib_env "${ENV_HWLOC_DIR}") list(APPEND _lib_env "${ENV_HWLOC_DIR}/lib") else() if(WIN32) string(REPLACE ":" ";" _lib_env "$ENV{LIB}") else() if(APPLE) string(REPLACE ":" ";" _lib_env "$ENV{DYLD_LIBRARY_PATH}") else() string(REPLACE ":" ";" _lib_env "$ENV{LD_LIBRARY_PATH}") endif() list(APPEND _lib_env "${CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES}") list(APPEND _lib_env "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}") endif() endif() list(REMOVE_DUPLICATES _lib_env) # set paths where to look for set(PATH_TO_LOOK_FOR "${_lib_env}") # Try to find the hwloc lib in the given paths # ---------------------------------------------- # call cmake macro to find the lib path if(HWLOC_LIBDIR) set(HWLOC_hwloc_LIBRARY "HWLOC_hwloc_LIBRARY-NOTFOUND") find_library(HWLOC_hwloc_LIBRARY NAMES hwloc HINTS ${HWLOC_LIBDIR}) else() if(HWLOC_DIR) set(HWLOC_hwloc_LIBRARY "HWLOC_hwloc_LIBRARY-NOTFOUND") find_library(HWLOC_hwloc_LIBRARY NAMES hwloc HINTS ${HWLOC_DIR} PATH_SUFFIXES lib lib32 lib64) else() set(HWLOC_hwloc_LIBRARY "HWLOC_hwloc_LIBRARY-NOTFOUND") find_library(HWLOC_hwloc_LIBRARY NAMES hwloc HINTS ${PATH_TO_LOOK_FOR}) endif() endif() mark_as_advanced(HWLOC_hwloc_LIBRARY) # If found, add path to cmake variable # ------------------------------------ if (HWLOC_hwloc_LIBRARY) get_filename_component(hwloc_lib_path ${HWLOC_hwloc_LIBRARY} PATH) # set cmake variables (respects naming convention) set(HWLOC_LIBRARIES "${HWLOC_hwloc_LIBRARY}") set(HWLOC_LIBRARY_DIRS "${hwloc_lib_path}") else () set(HWLOC_LIBRARIES "HWLOC_LIBRARIES-NOTFOUND") set(HWLOC_LIBRARY_DIRS "HWLOC_LIBRARY_DIRS-NOTFOUND") if(NOT HWLOC_FIND_QUIETLY) message(STATUS "Looking for hwloc -- lib hwloc not found") endif() endif () if (HWLOC_LIBRARY_DIRS) list(REMOVE_DUPLICATES HWLOC_LIBRARY_DIRS) endif () # check a function to validate the find if(HWLOC_LIBRARIES) set(REQUIRED_INCDIRS) set(REQUIRED_LIBDIRS) set(REQUIRED_LIBS) # HWLOC if (HWLOC_INCLUDE_DIRS) set(REQUIRED_INCDIRS "${HWLOC_INCLUDE_DIRS}") endif() if (HWLOC_LIBRARY_DIRS) set(REQUIRED_LIBDIRS "${HWLOC_LIBRARY_DIRS}") endif() set(REQUIRED_LIBS "${HWLOC_LIBRARIES}") # set required libraries for link set(CMAKE_REQUIRED_INCLUDES "${REQUIRED_INCDIRS}") set(CMAKE_REQUIRED_LIBRARIES) foreach(lib_dir ${REQUIRED_LIBDIRS}) list(APPEND CMAKE_REQUIRED_LIBRARIES "-L${lib_dir}") endforeach() list(APPEND CMAKE_REQUIRED_LIBRARIES "${REQUIRED_LIBS}") string(REGEX REPLACE "^ -" "-" CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}") # test link include(CheckFunctionExists) check_function_exists(hwloc_topology_init HWLOC_WORKS) mark_as_advanced(HWLOC_WORKS) if(NOT HWLOC_WORKS) if(NOT HWLOC_FIND_QUIETLY) message(STATUS "Looking for hwloc : test of hwloc_topology_init with hwloc library fails") message(STATUS "CMAKE_REQUIRED_LIBRARIES: ${CMAKE_REQUIRED_LIBRARIES}") message(STATUS "CMAKE_REQUIRED_INCLUDES: ${CMAKE_REQUIRED_INCLUDES}") message(STATUS "Check in CMakeFiles/CMakeError.log to figure out why it fails") endif() endif() set(CMAKE_REQUIRED_INCLUDES) set(CMAKE_REQUIRED_FLAGS) set(CMAKE_REQUIRED_LIBRARIES) endif(HWLOC_LIBRARIES) if (HWLOC_LIBRARIES) if (HWLOC_LIBRARY_DIRS) list(GET HWLOC_LIBRARY_DIRS 0 first_lib_path) else() list(GET HWLOC_LIBRARIES 0 first_lib) get_filename_component(first_lib_path "${first_lib}" PATH) endif() if (${first_lib_path} MATCHES "/lib(32|64)?$") string(REGEX REPLACE "/lib(32|64)?$" "" not_cached_dir "${first_lib_path}") set(HWLOC_DIR_FOUND "${not_cached_dir}" CACHE PATH "Installation directory of HWLOC library" FORCE) else() set(HWLOC_DIR_FOUND "${first_lib_path}" CACHE PATH "Installation directory of HWLOC library" FORCE) endif() endif() mark_as_advanced(HWLOC_DIR) mark_as_advanced(HWLOC_DIR_FOUND) # Function for converting hex version numbers from HWLOC_API_VERSION if necessary function(HEX2DEC str res) string(LENGTH "${str}" len) if("${len}" EQUAL 1) if("${str}" MATCHES "[0-9]") set(${res} "${str}" PARENT_SCOPE) elseif( "${str}" MATCHES "[aA]") set(${res} 10 PARENT_SCOPE) elseif( "${str}" MATCHES "[bB]") set(${res} 11 PARENT_SCOPE) elseif( "${str}" MATCHES "[cC]") set(${res} 12 PARENT_SCOPE) elseif( "${str}" MATCHES "[dD]") set(${res} 13 PARENT_SCOPE) elseif( "${str}" MATCHES "[eE]") set(${res} 14 PARENT_SCOPE) elseif( "${str}" MATCHES "[fF]") set(${res} 15 PARENT_SCOPE) else() return() endif() else() string(SUBSTRING "${str}" 0 1 str1) string(SUBSTRING "${str}" 1 -1 str2) hex2dec(${str1} res1) hex2dec(${str2} res2) math(EXPR val "16 * ${res1} + ${res2}") set(${res} "${val}" PARENT_SCOPE) endif() endfunction() if(HWLOC_INCLUDE_DIRS) # If we are not cross-compiling we try to use the hwloc-info program if(NOT CMAKE_CROSSCOMPILING) find_program(HWLOC_INFO "hwloc-info" HINTS "${HWLOC_DIR}" ENV HWLOC_DIR PATH_SUFFIXES bin ) mark_as_advanced(HWLOC_INFO) if(HWLOC_INFO) execute_process(COMMAND ${HWLOC_INFO} "--version" RESULT_VARIABLE HWLOC_INFO_RES OUTPUT_VARIABLE HWLOC_INFO_OUT ERROR_VARIABLE HWLOC_INFO_ERR) if(HWLOC_INFO_ERR) message(STATUS "Error executing hwloc-info: ${HWLOC_INFO_ERR}") endif() string(REGEX MATCH "[0-9]+.*[0-9]+" HWLOC_INFO_OUT "${HWLOC_INFO_OUT}") set(HWLOC_LIBRARY_VERSION ${HWLOC_INFO_OUT}) endif() endif() if (NOT HWLOC_FIND_QUIETLY) message(STATUS "hwloc version: ${HWLOC_VERSION}") endif() # Parse header if cross-compiling, or if hwloc-info was not found # Also used to check that library and header versions match # HWLOC is never installed as a framework on OS X, so this should always work. file(READ "${HWLOC_INCLUDE_DIRS}/hwloc.h" HEADER_CONTENTS LIMIT 16384) string(REGEX REPLACE ".*#define HWLOC_API_VERSION (0[xX][0-9a-fA-F]+).*" "\\1" HWLOC_API_VERSION "${HEADER_CONTENTS}") string(SUBSTRING "${HWLOC_API_VERSION}" 4 2 HEX_MAJOR) string(SUBSTRING "${HWLOC_API_VERSION}" 6 2 HEX_MINOR) string(SUBSTRING "${HWLOC_API_VERSION}" 8 2 HEX_PATCH) hex2dec(${HEX_MAJOR} DEC_MAJOR) hex2dec(${HEX_MINOR} DEC_MINOR) hex2dec(${HEX_PATCH} DEC_PATCH) set(HWLOC_HEADER_VERSION "${DEC_MAJOR}.${DEC_MINOR}.${DEC_PATCH}") if (HWLOC_LIBRARY_VERSION AND HWLOC_HEADER_VERSION) string(SUBSTRING "${HWLOC_LIBRARY_VERSION}" 0 1 LIBRARY_MAJOR) string(SUBSTRING "${HWLOC_HEADER_VERSION}" 0 1 HEADER_MAJOR) string(COMPARE EQUAL "${LIBRARY_MAJOR}" "${HEADER_MAJOR}" HWLOC_VERSION_CHECK) if(NOT HWLOC_VERSION_CHECK) message(FATAL_ERROR "Detected version mismatch between HWLOC headers and library. " "Library version is ${HWLOC_LIBRARY_VERSION}, but header version is ${HWLOC_HEADER_VERSION}. " "Make sure that you have the correct include and library directory set for HWLOC") endif() endif() if (HWLOC_LIBRARY_VERSION) set(HWLOC_VERSION ${HWLOC_LIBRARY_VERSION} CACHE STRING "HWLOC library version") else() set(HWLOC_VERSION ${HWLOC_HEADER_VERSION} CACHE STRING "HWLOC library version") endif() set(GMX_HWLOC_API_VERSION ${HWLOC_API_VERSION} CACHE STRING "HWLOC API version during configuration time") endif() include(FindPackageHandleStandardArgs) find_package_handle_standard_args(HWLOC REQUIRED_VARS HWLOC_LIBRARIES HWLOC_INCLUDE_DIRS VERSION_VAR HWLOC_VERSION) mark_as_advanced(HWLOC_INCLUDE_DIRS HWLOC_LIBRARIES HWLOC_VERSION GMX_HWLOC_API_VERSION)