Added test for ParMETIS

[[Imported from SVN: r6726]]

cmake/modules/FindParMETIS.cmake

+include(DuneMPI)
+
+foreach(_dir ${ParMETIS_DIR})
+  list(APPEND _ParMETIS_INCLUDE_DIRS ${ParMETIS_DIR} ${ParMETIS_DIR}/include)
+endforeach(_dir ${ParMETIS_DIR})
+
+find_path(ParMETIS_INCLUDE_DIRS parmetis.h PATHS${_ParMETIS_INCLUDE_DIRS} NO_DEFAULT_PATH)
+
+if(NOT ParMETIS_INCLUDE_DIRS)
+  find_path(ParMETIS_INCLUDE_DIRS parmetis.h)
+endif(NOT ParMETIS_INCLUDE_DIRS)
+
+
+set(METIS_LIB_NAME metis CACHE STRING "Name of the METIS library (default: metis).")
+set(PARMETIS_LIB_NAME parmetis CACHE STRING "Name of the ParMETIS library (default: parmetis).")
+set(METIS_LIBRARY METIS_LIBRARY-NOTFOUND CACHE FILEPATH "Full path of the METIS library")
+set(ParMETIS_LIBRARY ParMETIS_LIBRARY-NOTFOUND CACHE FILEPATH "Full path of the ParMETIS library")
+
+# save old variables
+set(CMAKE_REQUIRED_INCLUDES_SAVE ${CMAKE_REQUIRED_INCLUDES})
+set(CMAKE_REQUIRED_FLAGS_SAVE    ${CMAKE_REQUIRED_FLAGS})
+set(CMAKE_REQUIRED_LIBRARIES_SAVE ${CMAKE_REQUIRED_LIBRARIES})
+
+set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${MPI_DUNE_INCLUDE_PATH})
+set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${MPI_DUNE_COMPILE_FLAGS}")
+
+if(ParMETIS_INCLUDE_DIRS)
+  check_include_file(parmetis.h ParMETIS_FOUND)
+endif(ParMETIS_INCLUDE_DIRS)
+
+if(ParMETIS_FOUND)
+  set(ParMETIS_INCLUDE_PATH ${CMAKE_REQUIRED_INCLUDES})
+  set(ParMETIS_COMPILE_FLAGS "${CMAKE_REQUIRED_FLAGS} -DENABLE_PARMETIS=1")
+
+  foreach(_dir ${ParMETIS_DIR})
+    list(APPEND _ParMETIS_LIB_DIRS ${ParMETIS_DIR} ${ParMETIS_DIR}/lib)
+  endforeach(_dir ${ParMETIS_DIR})
+
+  find_library(METIS_LIBRARY metis PATHS ${_ParMETIS_LIB_DIRS} NO_DEFAULT_PATH)
+
+  if(NOT METIS_LIBRARY)
+    find_library(METIS_LIBRARY metis)
+  endif(NOT METIS_LIBRARY)
+
+  find_library(ParMETIS_LIBRARY parmetis PATHS ${_ParMETIS_LIB_DIRS} NO_DEFAULT_PATH)
+
+  if(NOT ParMETIS_LIBRARY)
+    find_library(ParMETIS_LIBRARY parmetis)
+  endif(NOT ParMETIS_LIBRARY)
+
+  if(ParMETIS_LIBRARY)
+    list(APPEND CMAKE_REQUIRED_LIBRARIES ${ParMETIS_LIBRARY} ${METIS_LIBRARY} ${MPI_DUNE_LIBRARIES})
+    include(CheckSymbolExists)
+    check_symbol_exists(parmetis_v3_partkway parmetis.h ParMETIS_FOUND)
+  endif(ParMETIS_LIBRARY)
+
+  if(ParMETIS_FOUND)
+    set(ParMETIS_LIBRARIES "${ParMETIS_LIBRARY};${METIS_LIBRARY};${MPI_DUNE_LIBRARIES}"
+      CACHE FILEPATH "ParMETIS libraries needed for linking")
+    set(ParMETIS_LINK_FLAGS "${DUNE_MPI_LINK_FLAGS}" CACHE STRING "ParMETIS link flags")
+  else(ParMETIS_FOUND)
+    set(ParMETIS_LIBRARIES "" CACHE FILEPATH "ParMETIS libraries needed for linking")
+    set(ParMETIS_LINK_FLAGS "" CACHE STRING "ParMETIS link flags")
+  endif(ParMETIS_FOUND)
+
+endif(ParMETIS_FOUND)
+
+if(ParMETIS_FOUND)
+  message(STATUS "ParMETIS library was found")
+else(ParMETIS_FOUND)
+    message(STATUS "No ParMETIS available")
+endif(ParMETIS_FOUND)
+#restore old values
+
+set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES_SAVE})
+set(CMAKE_REQUIRED_FLAGS    ${CMAKE_REQUIRED_FLAGS_SAVE})
+set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES_SAVE})
+
+function(add_parmetis_flags _targets)
+  if(ParMETIS_FOUND)
+    foreach(_target ${_targets})
+      target_link_libraries(${_target} ${ParMETIS_LIBRARY} ${METIS_LIBRARY})
+      GET_TARGET_PROPERTY(_props ${_target} COMPILE_FLAGS)
+      string(REPLACE "_props-NOTFOUND" "" _props "${_props}")
+      SET_TARGET_PROPERTIES(${_target} PROPERTIES COMPILE_FLAGS
+	"${_props} ${PARMETIS_COMPILE_FLAGS} -DENABLE_PARMETS=1")
+    endforeach(_target ${_targets})
+    add_dune_mpi_flags(${_targets})
+  endif(ParMETIS_FOUND)
+endfunction(add_parmetis_flags)