# FindMETIS.cmake # # Finds the METIS library. # # This module will define the following variables: # # METIS_FOUND - System has found METIS installation # METIS_INCLUDE_DIR - Location of METIS headers # METIS_LIBRARIES - METIS libraries # METIS_USES_ILP64 - Whether METIS was configured with ILP64 # # This module can handle the following COMPONENTS # # ilp64 - 64-bit index integers # # This module will export the following targets if METIS_FOUND # # METIS::metis # # # # # Proper usage: # # project( TEST_FIND_METIS C ) # find_package( METIS ) # # if( METIS_FOUND ) # add_executable( test test.cxx ) # target_link_libraries( test METIS::metis ) # endif() # # # # # This module will use the following variables to change # default behaviour if set # # metis_PREFIX # metis_INCLUDE_DIR # metis_LIBRARY_DIR # metis_LIBRARIES #================================================================== # Copyright (c) 2018 The Regents of the University of California, # through Lawrence Berkeley National Laboratory. # # Author: David Williams-Young # # This file is part of cmake-modules. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # (1) Redistributions of source code must retain the above copyright notice, this # list of conditions and the following disclaimer. # (2) Redistributions in binary form must reproduce the above copyright notice, # this list of conditions and the following disclaimer in the documentation # and/or other materials provided with the distribution. # (3) Neither the name of the University of California, Lawrence Berkeley # National Laboratory, U.S. Dept. of Energy nor the names of its contributors may # be used to endorse or promote products derived from this software without # specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON # ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # You are under no obligation whatsoever to provide any bug fixes, patches, or # upgrades to the features, functionality or performance of the source code # ("Enhancements") to anyone; however, if you choose to make your Enhancements # available either publicly, or directly to Lawrence Berkeley National # Laboratory, without imposing a separate written license agreement for such # Enhancements, then you hereby grant the following license: a non-exclusive, # royalty-free perpetual license to install, use, modify, prepare derivative # works, incorporate into other computer software, distribute, and sublicense # such enhancements or derivative works thereof, in binary and source code form. # #================================================================== cmake_minimum_required( VERSION 3.11 ) # Require CMake 3.11+ # Set up some auxillary vars if hints have been set if( metis_PREFIX AND NOT metis_INCLUDE_DIR ) set( metis_INCLUDE_DIR ${metis_PREFIX}/include ) endif() if( metis_PREFIX AND NOT metis_LIBRARY_DIR ) set( metis_LIBRARY_DIR ${metis_PREFIX}/lib ${metis_PREFIX}/lib32 ${metis_PREFIX}/lib64 ) endif() # Try to find the header find_path( METIS_INCLUDE_DIR NAMES metis.h HINTS ${metis_PREFIX} PATHS ${metis_INCLUDE_DIR} PATH_SUFFIXES include DOC "Location of METIS header" ) # Try to find libraries if not already set if( NOT metis_LIBRARIES ) find_library( METIS_LIBRARIES NAMES metis HINTS ${metis_PREFIX} PATHS ${metis_LIBRARY_DIR} PATH_SUFFIXES lib lib64 lib32 DOC "METIS Libraries" ) else() # FIXME: Check if files exists at least? set( METIS_LIBRARIES ${metis_LIBRARIES} ) endif() # Check version if( EXISTS ${METIS_INCLUDE_DIR}/metis.h ) set( version_pattern "^#define[\t ]+METIS_VER_(MAJOR|MINOR|SUBMINOR)[\t ]+([0-9\\.]+)$" ) file( STRINGS ${METIS_INCLUDE_DIR}/metis.h metis_version REGEX ${version_pattern} ) foreach( match ${metis_version} ) if(METIS_VERSION_STRING) set(METIS_VERSION_STRING "${METIS_VERSION_STRING}.") endif() string(REGEX REPLACE ${version_pattern} "${METIS_VERSION_STRING}\\2" METIS_VERSION_STRING ${match} ) set(METIS_VERSION_${CMAKE_MATCH_1} ${CMAKE_MATCH_2}) endforeach() unset( metis_version ) unset( version_pattern ) endif() # Check ILP64 if( EXISTS ${METIS_INCLUDE_DIR}/metis.h ) set( idxwidth_pattern "^#define[\t ]+IDXTYPEWIDTH[\t ]+([0-9\\.]+[0-9\\.]+)$" ) file( STRINGS ${METIS_INCLUDE_DIR}/metis.h metis_idxwidth REGEX ${idxwidth_pattern} ) string( REGEX REPLACE ${idxwidth_pattern} "${METIS_IDXWIDTH_STRING}\\1" METIS_IDXWIDTH_STRING ${metis_idxwidth} ) if( ${METIS_IDXWIDTH_STRING} MATCHES "64" ) set( METIS_USES_ILP64 TRUE ) else() set( METIS_USES_ILP64 FALSE ) endif() unset( idxwidth_pattern ) unset( metis_idxwidth ) unset( METIS_IDXWIDTH_STRING ) endif() # Handle components if( METIS_USES_ILP64 ) set( METIS_ilp64_FOUND TRUE ) endif() # Determine if we've found METIS mark_as_advanced( METIS_FOUND METIS_INCLUDE_DIR METIS_LIBRARIES ) include(FindPackageHandleStandardArgs) find_package_handle_standard_args( METIS REQUIRED_VARS METIS_LIBRARIES METIS_INCLUDE_DIR VERSION_VAR METIS_VERSION_STRING HANDLE_COMPONENTS ) # Export target if( METIS_FOUND AND NOT TARGET METIS::metis ) add_library( METIS::metis INTERFACE IMPORTED ) set_target_properties( METIS::metis PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${METIS_INCLUDE_DIR}" INTERFACE_LINK_LIBRARIES "${METIS_LIBRARIES}" ) endif()