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###
#
# @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 "$ENV{INCLUDE}")
else()
string(REPLACE ":" ";" _path_env "$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)
# 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_metis.h_DIRS "METIS_metis.h_DIRS-NOTFOUND")
find_path(METIS_metis.h_DIRS
NAMES metis.h
HINTS ${_inc_env})
endif()
endif()
mark_as_advanced(METIS_metis.h_DIRS)
# If found, add path to cmake variable
# ------------------------------------
if (METIS_metis.h_DIRS)
set(METIS_INCLUDE_DIRS "${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 "$ENV{LIB}")
else()
if(APPLE)
string(REPLACE ":" ";" _lib_env "$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 ${_lib_env})
endif()
endif()
mark_as_advanced(METIS_metis_LIBRARY)
# If found, add path to cmake variable
# ------------------------------------
if (METIS_metis_LIBRARY)
get_filename_component(metis_lib_path "${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_LIBRARIES
METIS_WORKS)
#
# TODO: Add possibility to check for specific functions in the library
#
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