1 # Copyright (C) 2017-2024 CEA, EDF, OPEN CASCADE
3 # This library is free software; you can redistribute it and/or
4 # modify it under the terms of the GNU Lesser General Public
5 # License as published by the Free Software Foundation; either
6 # version 2.1 of the License, or (at your option) any later version.
8 # This library is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 # Lesser General Public License for more details.
13 # You should have received a copy of the GNU Lesser General Public
14 # License along with this library; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 MESSAGE(STATUS "Check for PTscotch ...")
24 SET(PTSCOTCH_ROOT_DIR $ENV{PTSCOTCH_ROOT_DIR} CACHE PATH "Path to the PTSCOTCH.")
26 LIST(APPEND CMAKE_PREFIX_PATH "${PTSCOTCH_ROOT_DIR}")
27 ENDIF(PTSCOTCH_ROOT_DIR)
29 FIND_LIBRARY(PTSCOTCH_LIBRARIES ptscotch PATH_SUFFIXES openmpi/lib)
30 FIND_LIBRARY(PTSCOTCH_ERR_LIBRARIES ptscotcherr PATH_SUFFIXES openmpi/lib)
31 SET(PTSCOTCH_LIBRARIES ${PTSCOTCH_LIBRARIES} ${PTSCOTCH_ERR_LIBRARIES})
32 SET(SCOTCH_HEADER scotch.h)
34 SET(PTSCOTCH_SUFFIXES scotch-long)
35 ELSEIF(PTSCOTCH_USE_INT64)
36 SET(PTSCOTCH_SUFFIXES scotch-int64)
37 ELSEIF(PTSCOTCH_USE_INT32)
38 SET(PTSCOTCH_SUFFIXES scotch-int32)
40 FIND_PATH(PTSCOTCH_INCLUDE_DIRS ${SCOTCH_HEADER} PATH_SUFFIXES ${PTSCOTCH_SUFFIXES} scotch)
42 # Detect version of scotch/ptscotch
44 FILE(TO_NATIVE_PATH "${PTSCOTCH_INCLUDE_DIRS}/${SCOTCH_HEADER}" SCOTCH_HEADER_FILE)
45 FILE(READ ${SCOTCH_HEADER_FILE} SCOTCH_HEADER_FILE_CONTENT)
47 SET(ITER VERSION_MAJOR RELEASE_MINOR PATCHLEVEL_PATCH)
49 STRING(REPLACE "_" ";" mmp_list ${mmp})
50 LIST(GET mmp_list 0 mmp_search)
51 LIST(GET mmp_list 1 mmp_client)
52 STRING(REGEX MATCH "#define[\t ]+SCOTCH_${mmp_search}[\t ]+([0-9]+)" SCOTCH_MAJOR_VERSION_LINE "${SCOTCH_HEADER_FILE_CONTENT}")
53 STRING(REGEX MATCH "([0-9]+)" SCOTCH_VERSION_${mmp_client} "${SCOTCH_MAJOR_VERSION_LINE}")
56 # End of detection of scotch/ptscotch
58 IF("${SCOTCH_VERSION_MAJOR}.${SCOTCH_VERSION_MINOR}.${SCOTCH_VERSION_PATCH}" VERSION_GREATER_EQUAL "6.0.0")
59 # for ptscotch client of version >= 6.0.0 scotch.a library needs to be added
60 FIND_LIBRARY(SCOTCH_LIBRARY scotch)
61 LIST(APPEND PTSCOTCH_LIBRARIES ${SCOTCH_LIBRARY})
64 INCLUDE(FindPackageHandleStandardArgs)
65 FIND_PACKAGE_HANDLE_STANDARD_ARGS(PTScotch REQUIRED_VARS PTSCOTCH_INCLUDE_DIRS PTSCOTCH_LIBRARIES)