diff options
Diffstat (limited to 'cmake/FindMetis.cmake')
| -rw-r--r-- | cmake/FindMetis.cmake | 297 |
1 files changed, 251 insertions, 46 deletions
diff --git a/cmake/FindMetis.cmake b/cmake/FindMetis.cmake index 6a0ce790c..da2f1f1d7 100644 --- a/cmake/FindMetis.cmake +++ b/cmake/FindMetis.cmake @@ -1,59 +1,264 @@ -# Pastix requires METIS or METIS (partitioning and reordering tools) - -if (METIS_INCLUDES AND METIS_LIBRARIES) - set(METIS_FIND_QUIETLY TRUE) -endif (METIS_INCLUDES AND METIS_LIBRARIES) - -find_path(METIS_INCLUDES - NAMES - metis.h - PATHS - $ENV{METISDIR} - ${INCLUDE_INSTALL_DIR} - PATH_SUFFIXES - . - metis - include -) - -macro(_metis_check_version) - file(READ "${METIS_INCLUDES}/metis.h" _metis_version_header) - - string(REGEX MATCH "define[ \t]+METIS_VER_MAJOR[ \t]+([0-9]+)" _metis_major_version_match "${_metis_version_header}") - set(METIS_MAJOR_VERSION "${CMAKE_MATCH_1}") - string(REGEX MATCH "define[ \t]+METIS_VER_MINOR[ \t]+([0-9]+)" _metis_minor_version_match "${_metis_version_header}") - set(METIS_MINOR_VERSION "${CMAKE_MATCH_1}") - string(REGEX MATCH "define[ \t]+METIS_VER_SUBMINOR[ \t]+([0-9]+)" _metis_subminor_version_match "${_metis_version_header}") - set(METIS_SUBMINOR_VERSION "${CMAKE_MATCH_1}") - if(NOT METIS_MAJOR_VERSION) - message(STATUS "Could not determine Metis version. Assuming version 4.0.0") - set(METIS_VERSION 4.0.0) +### +# +# @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 METIS include dirs and libraries +# Use this module by invoking find_package with the form: +# find_package(METIS +# [REQUIRED] # Fail with error if metis is not found +# ) +# +# This module finds headers and metis library. +# Results are reported in variables: +# METIS_FOUND - True if headers and requested libraries were found +# METIS_INCLUDE_DIRS - metis include directories +# METIS_LIBRARY_DIRS - Link directories for metis libraries +# METIS_LIBRARIES - metis 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 -DMETIS_DIR=path/to/metis): +# METIS_DIR - Where to find the base directory of metis +# METIS_INCDIR - Where to find the header files +# METIS_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: METIS_DIR, METIS_INCDIR, METIS_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.) + +if (NOT METIS_FOUND) + set(METIS_DIR "" CACHE PATH "Installation directory of METIS library") + if (NOT METIS_FIND_QUIETLY) + message(STATUS "A cache variable, namely METIS_DIR, has been set to specify the install directory of METIS") + endif() +endif() + +# Looking for include +# ------------------- + +# Add system include paths to search include +# ------------------------------------------ +unset(_inc_env) +set(ENV_METIS_DIR "$ENV{METIS_DIR}") +set(ENV_METIS_INCDIR "$ENV{METIS_INCDIR}") +if(ENV_METIS_INCDIR) + list(APPEND _inc_env "${ENV_METIS_INCDIR}") +elseif(ENV_METIS_DIR) + list(APPEND _inc_env "${ENV_METIS_DIR}") + list(APPEND _inc_env "${ENV_METIS_DIR}/include") + list(APPEND _inc_env "${ENV_METIS_DIR}/include/metis") +else() + if(WIN32) + string(REPLACE ":" ";" _inc_env "$ENV{INCLUDE}") else() - set(METIS_VERSION ${METIS_MAJOR_VERSION}.${METIS_MINOR_VERSION}.${METIS_SUBMINOR_VERSION}) + string(REPLACE ":" ";" _path_env "$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 "${_path_env}") endif() - if(${METIS_VERSION} VERSION_LESS ${Metis_FIND_VERSION}) - set(METIS_VERSION_OK FALSE) +endif() +list(APPEND _inc_env "${CMAKE_PLATFORM_IMPLICIT_INCLUDE_DIRECTORIES}") +list(APPEND _inc_env "${CMAKE_C_IMPLICIT_INCLUDE_DIRECTORIES}") +list(REMOVE_DUPLICATES _inc_env) + + +# Try to find the metis header in the given paths +# ------------------------------------------------- +# call cmake macro to find the header path +if(METIS_INCDIR) + set(METIS_metis.h_DIRS "METIS_metis.h_DIRS-NOTFOUND") + find_path(METIS_metis.h_DIRS + NAMES metis.h + HINTS ${METIS_INCDIR}) +else() + if(METIS_DIR) + set(METIS_metis.h_DIRS "METIS_metis.h_DIRS-NOTFOUND") + find_path(METIS_metis.h_DIRS + NAMES metis.h + HINTS ${METIS_DIR} + PATH_SUFFIXES "include" "include/metis") else() - set(METIS_VERSION_OK TRUE) + set(METIS_metis.h_DIRS "METIS_metis.h_DIRS-NOTFOUND") + find_path(METIS_metis.h_DIRS + NAMES metis.h + HINTS ${_inc_env}) endif() +endif() +mark_as_advanced(METIS_metis.h_DIRS) - if(NOT METIS_VERSION_OK) - message(STATUS "Metis version ${METIS_VERSION} found in ${METIS_INCLUDES}, " - "but at least version ${Metis_FIND_VERSION} is required") - endif(NOT METIS_VERSION_OK) -endmacro(_metis_check_version) - if(METIS_INCLUDES AND Metis_FIND_VERSION) - _metis_check_version() +# If found, add path to cmake variable +# ------------------------------------ +if (METIS_metis.h_DIRS) + set(METIS_INCLUDE_DIRS "${METIS_metis.h_DIRS}") +else () + set(METIS_INCLUDE_DIRS "METIS_INCLUDE_DIRS-NOTFOUND") + if(NOT METIS_FIND_QUIETLY) + message(STATUS "Looking for metis -- metis.h not found") + endif() +endif() + + +# Looking for lib +# --------------- + +# Add system library paths to search lib +# -------------------------------------- +unset(_lib_env) +set(ENV_METIS_LIBDIR "$ENV{METIS_LIBDIR}") +if(ENV_METIS_LIBDIR) + list(APPEND _lib_env "${ENV_METIS_LIBDIR}") +elseif(ENV_METIS_DIR) + list(APPEND _lib_env "${ENV_METIS_DIR}") + list(APPEND _lib_env "${ENV_METIS_DIR}/lib") +else() + if(WIN32) + string(REPLACE ":" ";" _lib_env "$ENV{LIB}") else() - set(METIS_VERSION_OK TRUE) + if(APPLE) + string(REPLACE ":" ";" _lib_env "$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) + +# Try to find the metis lib in the given paths +# ---------------------------------------------- +# call cmake macro to find the lib path +if(METIS_LIBDIR) + set(METIS_metis_LIBRARY "METIS_metis_LIBRARY-NOTFOUND") + find_library(METIS_metis_LIBRARY + NAMES metis + HINTS ${METIS_LIBDIR}) +else() + if(METIS_DIR) + set(METIS_metis_LIBRARY "METIS_metis_LIBRARY-NOTFOUND") + find_library(METIS_metis_LIBRARY + NAMES metis + HINTS ${METIS_DIR} + PATH_SUFFIXES lib lib32 lib64) + else() + set(METIS_metis_LIBRARY "METIS_metis_LIBRARY-NOTFOUND") + find_library(METIS_metis_LIBRARY + NAMES metis + HINTS ${_lib_env}) + endif() +endif() +mark_as_advanced(METIS_metis_LIBRARY) -find_library(METIS_LIBRARIES metis PATHS $ENV{METISDIR} ${LIB_INSTALL_DIR} PATH_SUFFIXES lib) +# If found, add path to cmake variable +# ------------------------------------ +if (METIS_metis_LIBRARY) + get_filename_component(metis_lib_path "${METIS_metis_LIBRARY}" PATH) + # set cmake variables + set(METIS_LIBRARIES "${METIS_metis_LIBRARY}") + set(METIS_LIBRARY_DIRS "${metis_lib_path}") +else () + set(METIS_LIBRARIES "METIS_LIBRARIES-NOTFOUND") + set(METIS_LIBRARY_DIRS "METIS_LIBRARY_DIRS-NOTFOUND") + if(NOT METIS_FIND_QUIETLY) + message(STATUS "Looking for metis -- lib metis not found") + endif() +endif () +# check a function to validate the find +if(METIS_LIBRARIES) + + set(REQUIRED_INCDIRS) + set(REQUIRED_LIBDIRS) + set(REQUIRED_LIBS) + + # METIS + if (METIS_INCLUDE_DIRS) + set(REQUIRED_INCDIRS "${METIS_INCLUDE_DIRS}") + endif() + if (METIS_LIBRARY_DIRS) + set(REQUIRED_LIBDIRS "${METIS_LIBRARY_DIRS}") + endif() + set(REQUIRED_LIBS "${METIS_LIBRARIES}") + # m + find_library(M_LIBRARY NAMES m) + mark_as_advanced(M_LIBRARY) + if(M_LIBRARY) + list(APPEND REQUIRED_LIBS "-lm") + endif() + + # set required libraries for link + set(CMAKE_REQUIRED_INCLUDES "${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(METIS_WORKS CACHE) + include(CheckFunctionExists) + check_function_exists(METIS_NodeND METIS_WORKS) + mark_as_advanced(METIS_WORKS) + + if(NOT METIS_WORKS) + if(NOT METIS_FIND_QUIETLY) + message(STATUS "Looking for METIS : test of METIS_NodeND with METIS library fails") + message(STATUS "CMAKE_REQUIRED_LIBRARIES: ${CMAKE_REQUIRED_LIBRARIES}") + message(STATUS "CMAKE_REQUIRED_INCLUDES: ${CMAKE_REQUIRED_INCLUDES}") + message(STATUS "Check in CMakeFiles/CMakeError.log to figure out why it fails") + endif() + endif() + set(CMAKE_REQUIRED_INCLUDES) + set(CMAKE_REQUIRED_FLAGS) + set(CMAKE_REQUIRED_LIBRARIES) +endif(METIS_LIBRARIES) + +if (METIS_LIBRARIES) + list(GET METIS_LIBRARIES 0 first_lib) + get_filename_component(first_lib_path "${first_lib}" PATH) + if (${first_lib_path} MATCHES "/lib(32|64)?$") + string(REGEX REPLACE "/lib(32|64)?$" "" not_cached_dir "${first_lib_path}") + set(METIS_DIR_FOUND "${not_cached_dir}" CACHE PATH "Installation directory of METIS library" FORCE) + else() + set(METIS_DIR_FOUND "${first_lib_path}" CACHE PATH "Installation directory of METIS library" FORCE) + endif() +endif() +mark_as_advanced(METIS_DIR) +mark_as_advanced(METIS_DIR_FOUND) + +# check that METIS has been found +# --------------------------------- include(FindPackageHandleStandardArgs) find_package_handle_standard_args(METIS DEFAULT_MSG - METIS_INCLUDES METIS_LIBRARIES METIS_VERSION_OK) - -mark_as_advanced(METIS_INCLUDES METIS_LIBRARIES) + METIS_LIBRARIES + METIS_WORKS) +# +# TODO: Add possibility to check for specific functions in the library +# |