mirror of
https://gitlab.com/libeigen/eigen.git
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6fb3e5f176
Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style.
332 lines
11 KiB
CMake
332 lines
11 KiB
CMake
###
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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 "$ENV{HWLOC_LIBDIR}")
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set(HWLOC_GIVEN_BY_USER "FALSE")
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if ( HWLOC_DIR OR ( HWLOC_INCDIR AND HWLOC_LIBDIR) OR ENV_HWLOC_DIR OR (ENV_HWLOC_INCDIR AND ENV_HWLOC_LIBDIR) )
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set(HWLOC_GIVEN_BY_USER "TRUE")
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endif()
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# Optionally use pkg-config to detect include/library dirs (if pkg-config is available)
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# -------------------------------------------------------------------------------------
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include(FindPkgConfig)
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find_package(PkgConfig QUIET)
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if( PKG_CONFIG_EXECUTABLE AND NOT HWLOC_GIVEN_BY_USER )
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pkg_search_module(HWLOC hwloc)
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if (NOT HWLOC_FIND_QUIETLY)
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if (HWLOC_FOUND AND HWLOC_LIBRARIES)
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message(STATUS "Looking for HWLOC - found using PkgConfig")
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#if(NOT HWLOC_INCLUDE_DIRS)
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# message("${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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