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Make medcoupling linkable with ptscotch version >= 6.0.0 V9_5_0a1
authorAnthony Geay <anthony.geay@edf.fr>
Tue, 18 Feb 2020 07:03:10 +0000 (08:03 +0100)
committerAnthony Geay <anthony.geay@edf.fr>
Tue, 18 Feb 2020 07:03:10 +0000 (08:03 +0100)
cmake/FindPTScotch.cmake

index b460383eff0a676b4dfa74f7969610eb6ee5cb59..dc556047d2b96e8b021f9b0ec0d4aa707a55b4a7 100644 (file)
@@ -28,8 +28,31 @@ ENDIF(PTSCOTCH_ROOT_DIR)
 
 FIND_LIBRARY(PTSCOTCH_LIBRARIES ptscotch)
 FIND_LIBRARY(PTSCOTCH_ERR_LIBRARIES ptscotcherr)
-SET(PTSCOTCH_LIBRARIES ${PTSCOTCH_LIBRARIES} ${PTSCOTCH_ERR_LIBRARIES})
-FIND_PATH(PTSCOTCH_INCLUDE_DIRS scotch.h PATH_SUFFIXES "/scotch")
+set(PTSCOTCH_LIBRARIES ${PTSCOTCH_LIBRARIES} ${PTSCOTCH_ERR_LIBRARIES})
+set(SCOTCH_HEADER scotch.h)
+FIND_PATH(PTSCOTCH_INCLUDE_DIRS ${SCOTCH_HEADER} PATH_SUFFIXES "/scotch")
+
+# Detect version of scotch/ptscotch
+
+file(TO_NATIVE_PATH "${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)