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Diffstat (limited to 'cmake/FindHWLOC.cmake')
| -rw-r--r-- | cmake/FindHWLOC.cmake | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/cmake/FindHWLOC.cmake b/cmake/FindHWLOC.cmake new file mode 100644 index 000000000..a831b5c72 --- /dev/null +++ b/cmake/FindHWLOC.cmake @@ -0,0 +1,331 @@ +### +# +# @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") + if (NOT HWLOC_FIND_QUIETLY) + message(STATUS "A cache variable, namely HWLOC_DIR, has been set to specify the install directory of HWLOC") + endif() +endif() + +set(ENV_HWLOC_DIR "$ENV{HWLOC_DIR}") +set(ENV_HWLOC_INCDIR "$ENV{HWLOC_INCDIR}") +set(ENV_HWLOC_LIBDIR "$ENV{HWLOC_LIBDIR}") +set(HWLOC_GIVEN_BY_USER "FALSE") +if ( HWLOC_DIR OR ( HWLOC_INCDIR AND HWLOC_LIBDIR) OR ENV_HWLOC_DIR OR (ENV_HWLOC_INCDIR AND ENV_HWLOC_LIBDIR) ) + set(HWLOC_GIVEN_BY_USER "TRUE") +endif() + +# Optionally use pkg-config to detect include/library dirs (if pkg-config is available) +# ------------------------------------------------------------------------------------- +include(FindPkgConfig) +find_package(PkgConfig QUIET) +if( PKG_CONFIG_EXECUTABLE AND NOT HWLOC_GIVEN_BY_USER ) + + pkg_search_module(HWLOC hwloc) + if (NOT HWLOC_FIND_QUIETLY) + if (HWLOC_FOUND AND HWLOC_LIBRARIES) + message(STATUS "Looking for HWLOC - found using PkgConfig") + #if(NOT HWLOC_INCLUDE_DIRS) + # message("${Magenta}HWLOC_INCLUDE_DIRS is empty using PkgConfig." + # "Perhaps the path to hwloc headers is already present in your" + # "C(PLUS)_INCLUDE_PATH environment variable.${ColourReset}") + #endif() + else() + message(STATUS "${Magenta}Looking for HWLOC - not found using PkgConfig." + "\n Perhaps you should add the directory containing hwloc.pc to" + "\n the PKG_CONFIG_PATH environment variable.${ColourReset}") + endif() + endif() + +endif( PKG_CONFIG_EXECUTABLE AND NOT HWLOC_GIVEN_BY_USER ) + +if( (NOT PKG_CONFIG_EXECUTABLE) OR (PKG_CONFIG_EXECUTABLE AND NOT HWLOC_FOUND) OR (HWLOC_GIVEN_BY_USER) ) + + if (NOT HWLOC_FIND_QUIETLY) + message(STATUS "Looking for HWLOC - PkgConfig not used") + endif() + + # Looking for include + # ------------------- + + # Add system include paths to search include + # ------------------------------------------ + unset(_inc_env) + if(ENV_HWLOC_INCDIR) + list(APPEND _inc_env "${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 + unset(HWLOC_WORKS CACHE) + 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: ${CMAKE_REQUIRED_INCLUDES}") + message(STATUS "Check in CMakeFiles/CMakeError.log to figure out why it fails") + endif() + endif() + set(CMAKE_REQUIRED_INCLUDES) + set(CMAKE_REQUIRED_FLAGS) + set(CMAKE_REQUIRED_LIBRARIES) + endif(HWLOC_LIBRARIES) + +endif( (NOT PKG_CONFIG_EXECUTABLE) OR (PKG_CONFIG_EXECUTABLE AND NOT HWLOC_FOUND) OR (HWLOC_GIVEN_BY_USER) ) + +if (HWLOC_LIBRARIES) + if (HWLOC_LIBRARY_DIRS) + list(GET HWLOC_LIBRARY_DIRS 0 first_lib_path) + else() + list(GET HWLOC_LIBRARIES 0 first_lib) + get_filename_component(first_lib_path "${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) + +# check that HWLOC has been found +# ------------------------------- +include(FindPackageHandleStandardArgs) +if (PKG_CONFIG_EXECUTABLE AND HWLOC_FOUND) + find_package_handle_standard_args(HWLOC DEFAULT_MSG + HWLOC_LIBRARIES) +else() + find_package_handle_standard_args(HWLOC DEFAULT_MSG + HWLOC_LIBRARIES + HWLOC_WORKS) +endif() + +if (HWLOC_FOUND) + set(HWLOC_SAVE_CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES}) + list(APPEND CMAKE_REQUIRED_INCLUDES ${HWLOC_INCLUDE_DIRS}) + + # test headers to guess the version + check_struct_has_member( "struct hwloc_obj" parent hwloc.h HAVE_HWLOC_PARENT_MEMBER ) + check_struct_has_member( "struct hwloc_cache_attr_s" size hwloc.h HAVE_HWLOC_CACHE_ATTR ) + check_c_source_compiles( "#include <hwloc.h> + int main(void) { hwloc_obj_t o; o->type = HWLOC_OBJ_PU; return 0;}" HAVE_HWLOC_OBJ_PU) + include(CheckLibraryExists) + check_library_exists(${HWLOC_LIBRARIES} hwloc_bitmap_free "" HAVE_HWLOC_BITMAP) + + set(CMAKE_REQUIRED_INCLUDES ${HWLOC_SAVE_CMAKE_REQUIRED_INCLUDES}) +endif() |