Updated copyright comment

[tools/configuration.git] / cmake / FindPTScotch.cmake

diff --git a/cmake/FindPTScotch.cmake b/cmake/FindPTScotch.cmake
index 5dadcce745eb14936c0123e3b5be05267aa6def3..f974cbc71e6e136bb2fb3a5a1d88e6df8e8ce774 100644 (file)
--- a/cmake/FindPTScotch.cmake
+++ b/cmake/FindPTScotch.cmake
@@ -1,4 +1,4 @@
-# Copyright (C) 2017  CEA/DEN, EDF R&D, OPEN CASCADE
+# Copyright (C) 2017-2024  CEA, EDF, OPEN CASCADE
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
@@ -26,10 +26,40 @@ IF(PTSCOTCH_ROOT_DIR)
   LIST(APPEND CMAKE_PREFIX_PATH "${PTSCOTCH_ROOT_DIR}")
 ENDIF(PTSCOTCH_ROOT_DIR)
 
-FIND_LIBRARY(PTSCOTCH_LIBRARIES ptscotch)
-FIND_LIBRARY(PTSCOTCH_ERR_LIBRARIES ptscotcherr)
+FIND_LIBRARY(PTSCOTCH_LIBRARIES ptscotch PATH_SUFFIXES openmpi/lib)
+FIND_LIBRARY(PTSCOTCH_ERR_LIBRARIES ptscotcherr PATH_SUFFIXES openmpi/lib)
 SET(PTSCOTCH_LIBRARIES ${PTSCOTCH_LIBRARIES} ${PTSCOTCH_ERR_LIBRARIES})
-FIND_PATH(PTSCOTCH_INCLUDE_DIRS scotch.h PATH_SUFFIXES "/scotch")
+SET(SCOTCH_HEADER scotch.h)
+IF(PTSCOTCH_USE_LONG)
+  SET(PTSCOTCH_SUFFIXES scotch-long)
+ELSEIF(PTSCOTCH_USE_INT64)
+  SET(PTSCOTCH_SUFFIXES scotch-int64)
+ELSEIF(PTSCOTCH_USE_INT32)
+  SET(PTSCOTCH_SUFFIXES scotch-int32)
+ENDIF()
+FIND_PATH(PTSCOTCH_INCLUDE_DIRS ${SCOTCH_HEADER} PATH_SUFFIXES ${PTSCOTCH_SUFFIXES} scotch)
+
+# Detect version of scotch/ptscotch
+
+FILE(TO_NATIVE_PATH "${PTSCOTCH_INCLUDE_DIRS}/${SCOTCH_HEADER}" SCOTCH_HEADER_FILE)
+FILE(READ ${SCOTCH_HEADER_FILE} SCOTCH_HEADER_FILE_CONTENT)
+
+SET(ITER VERSION_MAJOR RELEASE_MINOR PATCHLEVEL_PATCH)
+FOREACH(mmp ${ITER})
+  STRING(REPLACE "_" ";" mmp_list ${mmp})
+  LIST(GET mmp_list 0 mmp_search)
+  LIST(GET mmp_list 1 mmp_client)
+  STRING(REGEX MATCH "#define[\t ]+SCOTCH_${mmp_search}[\t ]+([0-9]+)" SCOTCH_MAJOR_VERSION_LINE "${SCOTCH_HEADER_FILE_CONTENT}")
+  STRING(REGEX MATCH "([0-9]+)" SCOTCH_VERSION_${mmp_client} "${SCOTCH_MAJOR_VERSION_LINE}")
+ENDFOREACH()
+
+# End of detection of scotch/ptscotch
+
+IF("${SCOTCH_VERSION_MAJOR}.${SCOTCH_VERSION_MINOR}.${SCOTCH_VERSION_PATCH}" VERSION_GREATER_EQUAL "6.0.0")
+  # for ptscotch client of version >= 6.0.0 scotch.a library needs to be added
+  FIND_LIBRARY(SCOTCH_LIBRARY scotch)
+  LIST(APPEND PTSCOTCH_LIBRARIES ${SCOTCH_LIBRARY})
+ENDIF()
 
 INCLUDE(FindPackageHandleStandardArgs)
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(PTScotch REQUIRED_VARS PTSCOTCH_INCLUDE_DIRS PTSCOTCH_LIBRARIES)