333 lines
12 KiB
CMake
333 lines
12 KiB
CMake
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###
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#
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# @copyright (c) 2009-2014 The University of Tennessee and The University
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# of Tennessee Research Foundation.
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# All rights reserved.
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# @copyright (c) 2012-2014 Inria. All rights reserved.
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# @copyright (c) 2012-2014 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved.
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#
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###
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#
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# - Find HWLOC include dirs and libraries
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# Use this module by invoking find_package with the form:
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# find_package(HWLOC
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# [REQUIRED]) # Fail with error if hwloc is not found
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#
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# This module finds headers and hwloc library.
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# Results are reported in variables:
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# HWLOC_FOUND - True if headers and requested libraries were found
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# HWLOC_INCLUDE_DIRS - hwloc include directories
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# HWLOC_LIBRARY_DIRS - Link directories for hwloc libraries
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# HWLOC_LIBRARIES - hwloc component libraries to be linked
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#
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# The user can give specific paths where to find the libraries adding cmake
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# options at configure (ex: cmake path/to/project -DHWLOC_DIR=path/to/hwloc):
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# HWLOC_DIR - Where to find the base directory of hwloc
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# HWLOC_INCDIR - Where to find the header files
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# HWLOC_LIBDIR - Where to find the library files
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# The module can also look for the following environment variables if paths
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# are not given as cmake variable: HWLOC_DIR, HWLOC_INCDIR, HWLOC_LIBDIR
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#=============================================================================
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# Copyright 2012-2013 Inria
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# Copyright 2012-2013 Emmanuel Agullo
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# Copyright 2012-2013 Mathieu Faverge
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# Copyright 2012 Cedric Castagnede
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# Copyright 2013 Florent Pruvost
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file MORSE-Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of Morse, substitute the full
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# License text for the above reference.)
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include(CheckStructHasMember)
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include(CheckCSourceCompiles)
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if (NOT HWLOC_FOUND)
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set(HWLOC_DIR "" CACHE PATH "Installation directory of HWLOC library")
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if (NOT HWLOC_FIND_QUIETLY)
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message(STATUS "A cache variable, namely HWLOC_DIR, has been set to specify the install directory of HWLOC")
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endif()
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endif()
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set(ENV_HWLOC_DIR "$ENV{HWLOC_DIR}")
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set(ENV_HWLOC_INCDIR "$ENV{HWLOC_INCDIR}")
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set(ENV_HWLOC_LIBDIR "$ENV{HWLOC_LIBDIR}")
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set(HWLOC_GIVEN_BY_USER "FALSE")
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if ( HWLOC_DIR OR ( HWLOC_INCDIR AND HWLOC_LIBDIR) OR ENV_HWLOC_DIR OR (ENV_HWLOC_INCDIR AND ENV_HWLOC_LIBDIR) )
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set(HWLOC_GIVEN_BY_USER "TRUE")
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endif()
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# Optionally use pkg-config to detect include/library dirs (if pkg-config is available)
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# -------------------------------------------------------------------------------------
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include(CMakeFindDependencyMacro)
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# include(FindPkgConfig)
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find_dependency(PkgConfig QUIET)
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if( PKG_CONFIG_EXECUTABLE AND NOT HWLOC_GIVEN_BY_USER )
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pkg_search_module(HWLOC hwloc)
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if (NOT HWLOC_FIND_QUIETLY)
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if (HWLOC_FOUND AND HWLOC_LIBRARIES)
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message(STATUS "Looking for HWLOC - found using PkgConfig")
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#if(NOT HWLOC_INCLUDE_DIRS)
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# message("${Magenta}HWLOC_INCLUDE_DIRS is empty using PkgConfig."
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# "Perhaps the path to hwloc headers is already present in your"
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# "C(PLUS)_INCLUDE_PATH environment variable.${ColourReset}")
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#endif()
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else()
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message(STATUS "${Magenta}Looking for HWLOC - not found using PkgConfig."
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"\n Perhaps you should add the directory containing hwloc.pc to"
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"\n the PKG_CONFIG_PATH environment variable.${ColourReset}")
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endif()
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endif()
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endif()
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if( (NOT PKG_CONFIG_EXECUTABLE) OR (PKG_CONFIG_EXECUTABLE AND NOT HWLOC_FOUND) OR (HWLOC_GIVEN_BY_USER) )
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if (NOT HWLOC_FIND_QUIETLY)
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message(STATUS "Looking for HWLOC - PkgConfig not used")
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endif()
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# Looking for include
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# -------------------
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# Add system include paths to search include
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# ------------------------------------------
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unset(_inc_env)
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if(ENV_HWLOC_INCDIR)
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list(APPEND _inc_env "${ENV_HWLOC_INCDIR}")
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elseif(ENV_HWLOC_DIR)
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list(APPEND _inc_env "${ENV_HWLOC_DIR}")
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list(APPEND _inc_env "${ENV_HWLOC_DIR}/include")
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list(APPEND _inc_env "${ENV_HWLOC_DIR}/include/hwloc")
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else()
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if(WIN32)
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string(REPLACE ":" ";" _inc_env "$ENV{INCLUDE}")
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else()
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string(REPLACE ":" ";" _path_env "$ENV{INCLUDE}")
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list(APPEND _inc_env "${_path_env}")
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string(REPLACE ":" ";" _path_env "$ENV{C_INCLUDE_PATH}")
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list(APPEND _inc_env "${_path_env}")
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string(REPLACE ":" ";" _path_env "$ENV{CPATH}")
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list(APPEND _inc_env "${_path_env}")
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string(REPLACE ":" ";" _path_env "$ENV{INCLUDE_PATH}")
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list(APPEND _inc_env "${_path_env}")
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endif()
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endif()
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list(APPEND _inc_env "${CMAKE_PLATFORM_IMPLICIT_INCLUDE_DIRECTORIES}")
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list(APPEND _inc_env "${CMAKE_C_IMPLICIT_INCLUDE_DIRECTORIES}")
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list(REMOVE_DUPLICATES _inc_env)
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# set paths where to look for
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set(PATH_TO_LOOK_FOR "${_inc_env}")
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# Try to find the hwloc header in the given paths
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# -------------------------------------------------
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# call cmake macro to find the header path
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if(HWLOC_INCDIR)
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set(HWLOC_hwloc.h_DIRS "HWLOC_hwloc.h_DIRS-NOTFOUND")
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find_path(HWLOC_hwloc.h_DIRS
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NAMES hwloc.h
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HINTS ${HWLOC_INCDIR})
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else()
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if(HWLOC_DIR)
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set(HWLOC_hwloc.h_DIRS "HWLOC_hwloc.h_DIRS-NOTFOUND")
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find_path(HWLOC_hwloc.h_DIRS
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NAMES hwloc.h
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HINTS ${HWLOC_DIR}
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PATH_SUFFIXES "include" "include/hwloc")
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else()
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set(HWLOC_hwloc.h_DIRS "HWLOC_hwloc.h_DIRS-NOTFOUND")
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find_path(HWLOC_hwloc.h_DIRS
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NAMES hwloc.h
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HINTS ${PATH_TO_LOOK_FOR}
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PATH_SUFFIXES "hwloc")
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endif()
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endif()
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mark_as_advanced(HWLOC_hwloc.h_DIRS)
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# Add path to cmake variable
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# ------------------------------------
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if (HWLOC_hwloc.h_DIRS)
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set(HWLOC_INCLUDE_DIRS "${HWLOC_hwloc.h_DIRS}")
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else ()
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set(HWLOC_INCLUDE_DIRS "HWLOC_INCLUDE_DIRS-NOTFOUND")
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if(NOT HWLOC_FIND_QUIETLY)
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message(STATUS "Looking for hwloc -- hwloc.h not found")
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endif()
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endif ()
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if (HWLOC_INCLUDE_DIRS)
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list(REMOVE_DUPLICATES HWLOC_INCLUDE_DIRS)
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endif ()
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# Looking for lib
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# ---------------
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# Add system library paths to search lib
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# --------------------------------------
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unset(_lib_env)
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if(ENV_HWLOC_LIBDIR)
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list(APPEND _lib_env "${ENV_HWLOC_LIBDIR}")
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elseif(ENV_HWLOC_DIR)
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list(APPEND _lib_env "${ENV_HWLOC_DIR}")
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list(APPEND _lib_env "${ENV_HWLOC_DIR}/lib")
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else()
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if(WIN32)
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string(REPLACE ":" ";" _lib_env "$ENV{LIB}")
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else()
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if(APPLE)
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string(REPLACE ":" ";" _lib_env "$ENV{DYLD_LIBRARY_PATH}")
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else()
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string(REPLACE ":" ";" _lib_env "$ENV{LD_LIBRARY_PATH}")
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endif()
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list(APPEND _lib_env "${CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES}")
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list(APPEND _lib_env "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}")
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endif()
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endif()
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list(REMOVE_DUPLICATES _lib_env)
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# set paths where to look for
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set(PATH_TO_LOOK_FOR "${_lib_env}")
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# Try to find the hwloc lib in the given paths
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# ----------------------------------------------
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# call cmake macro to find the lib path
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if(HWLOC_LIBDIR)
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set(HWLOC_hwloc_LIBRARY "HWLOC_hwloc_LIBRARY-NOTFOUND")
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find_library(HWLOC_hwloc_LIBRARY
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NAMES hwloc
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HINTS ${HWLOC_LIBDIR})
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else()
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if(HWLOC_DIR)
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set(HWLOC_hwloc_LIBRARY "HWLOC_hwloc_LIBRARY-NOTFOUND")
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find_library(HWLOC_hwloc_LIBRARY
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NAMES hwloc
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HINTS ${HWLOC_DIR}
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PATH_SUFFIXES lib lib32 lib64)
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else()
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set(HWLOC_hwloc_LIBRARY "HWLOC_hwloc_LIBRARY-NOTFOUND")
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find_library(HWLOC_hwloc_LIBRARY
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NAMES hwloc
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HINTS ${PATH_TO_LOOK_FOR})
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endif()
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endif()
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mark_as_advanced(HWLOC_hwloc_LIBRARY)
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# If found, add path to cmake variable
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# ------------------------------------
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if (HWLOC_hwloc_LIBRARY)
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get_filename_component(hwloc_lib_path ${HWLOC_hwloc_LIBRARY} PATH)
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# set cmake variables (respects naming convention)
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set(HWLOC_LIBRARIES "${HWLOC_hwloc_LIBRARY}")
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set(HWLOC_LIBRARY_DIRS "${hwloc_lib_path}")
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else ()
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set(HWLOC_LIBRARIES "HWLOC_LIBRARIES-NOTFOUND")
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set(HWLOC_LIBRARY_DIRS "HWLOC_LIBRARY_DIRS-NOTFOUND")
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if(NOT HWLOC_FIND_QUIETLY)
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message(STATUS "Looking for hwloc -- lib hwloc not found")
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endif()
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endif ()
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if (HWLOC_LIBRARY_DIRS)
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list(REMOVE_DUPLICATES HWLOC_LIBRARY_DIRS)
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endif ()
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# check a function to validate the find
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if(HWLOC_LIBRARIES)
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set(REQUIRED_INCDIRS)
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set(REQUIRED_LIBDIRS)
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set(REQUIRED_LIBS)
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# HWLOC
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if (HWLOC_INCLUDE_DIRS)
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set(REQUIRED_INCDIRS "${HWLOC_INCLUDE_DIRS}")
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endif()
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if (HWLOC_LIBRARY_DIRS)
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set(REQUIRED_LIBDIRS "${HWLOC_LIBRARY_DIRS}")
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endif()
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set(REQUIRED_LIBS "${HWLOC_LIBRARIES}")
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# set required libraries for link
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set(CMAKE_REQUIRED_INCLUDES "${REQUIRED_INCDIRS}")
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set(CMAKE_REQUIRED_LIBRARIES)
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foreach(lib_dir ${REQUIRED_LIBDIRS})
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list(APPEND CMAKE_REQUIRED_LIBRARIES "-L${lib_dir}")
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endforeach()
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list(APPEND CMAKE_REQUIRED_LIBRARIES "${REQUIRED_LIBS}")
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string(REGEX REPLACE "^ -" "-" CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}")
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# test link
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unset(HWLOC_WORKS CACHE)
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include(CheckFunctionExists)
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check_function_exists(hwloc_topology_init HWLOC_WORKS)
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mark_as_advanced(HWLOC_WORKS)
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if(NOT HWLOC_WORKS)
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if(NOT HWLOC_FIND_QUIETLY)
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message(STATUS "Looking for hwloc : test of hwloc_topology_init with hwloc library fails")
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message(STATUS "CMAKE_REQUIRED_LIBRARIES: ${CMAKE_REQUIRED_LIBRARIES}")
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message(STATUS "CMAKE_REQUIRED_INCLUDES: ${CMAKE_REQUIRED_INCLUDES}")
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message(STATUS "Check in CMakeFiles/CMakeError.log to figure out why it fails")
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endif()
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endif()
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set(CMAKE_REQUIRED_INCLUDES)
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set(CMAKE_REQUIRED_FLAGS)
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set(CMAKE_REQUIRED_LIBRARIES)
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endif()
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endif()
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if (HWLOC_LIBRARIES)
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if (HWLOC_LIBRARY_DIRS)
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list(GET HWLOC_LIBRARY_DIRS 0 first_lib_path)
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else()
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list(GET HWLOC_LIBRARIES 0 first_lib)
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get_filename_component(first_lib_path "${first_lib}" PATH)
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endif()
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if (${first_lib_path} MATCHES "/lib(32|64)?$")
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string(REGEX REPLACE "/lib(32|64)?$" "" not_cached_dir "${first_lib_path}")
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set(HWLOC_DIR_FOUND "${not_cached_dir}" CACHE PATH "Installation directory of HWLOC library" FORCE)
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else()
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set(HWLOC_DIR_FOUND "${first_lib_path}" CACHE PATH "Installation directory of HWLOC library" FORCE)
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endif()
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endif()
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mark_as_advanced(HWLOC_DIR)
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mark_as_advanced(HWLOC_DIR_FOUND)
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# check that HWLOC has been found
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# -------------------------------
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include(FindPackageHandleStandardArgs)
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if (PKG_CONFIG_EXECUTABLE AND HWLOC_FOUND)
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find_package_handle_standard_args(HWLOC DEFAULT_MSG
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HWLOC_LIBRARIES)
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else()
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find_package_handle_standard_args(HWLOC DEFAULT_MSG
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HWLOC_LIBRARIES
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HWLOC_WORKS)
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endif()
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if (HWLOC_FOUND)
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set(HWLOC_SAVE_CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES})
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list(APPEND CMAKE_REQUIRED_INCLUDES ${HWLOC_INCLUDE_DIRS})
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# test headers to guess the version
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check_struct_has_member( "struct hwloc_obj" parent hwloc.h HAVE_HWLOC_PARENT_MEMBER )
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check_struct_has_member( "struct hwloc_cache_attr_s" size hwloc.h HAVE_HWLOC_CACHE_ATTR )
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check_c_source_compiles( "#include <hwloc.h>
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int main(void) { hwloc_obj_t o; o->type = HWLOC_OBJ_PU; return 0;}" HAVE_HWLOC_OBJ_PU)
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include(CheckLibraryExists)
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check_library_exists(${HWLOC_LIBRARIES} hwloc_bitmap_free "" HAVE_HWLOC_BITMAP)
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set(CMAKE_REQUIRED_INCLUDES ${HWLOC_SAVE_CMAKE_REQUIRED_INCLUDES})
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endif()
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