4a14e8d5cd
When specifying NO_DEFAULT_PATH, we have to specify include and lib manually to find the headers and libraries. This commit does this for FindParMETIS and FindPTScotch
92 lines
3.1 KiB
CMake
92 lines
3.1 KiB
CMake
# Module that checks whether ParMETIS or the ParMETIS interface of PT-Scotch
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# is available.
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#
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# Accepts the following variables:
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#
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# PARMETIS_ROOT: Prefix where ParMETIS is installed.
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# PARMETIS_SUFFIX: Scotch might be compiled using different
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# integer sizes (int32, int32, long). When
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# this is is set the headers and libaries
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# are search under the suffix
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# include/parmetis-${PARMETIS_SUFFIX}, and
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# lib/parmetis-${PARMETIS_SUFFIX}, respectively.
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# Sets the following variables:
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# PARMETIS_INCLUDE_DIRS: All include directories needed to compile ParMETIS programs.
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# PARMETIS_LIBRARIES: Alle libraries needed to link ParMETIS programs.
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# PARMETIS_FOUND: True if ParMETIS was found.
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#
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# Provides the following macros:
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#
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# find_package(ParMETIS)
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find_package(MPI)
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macro(_search_parmetis_lib libvar libname doc)
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find_library(${libvar} ${libname}
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PATHS ${PARMETIS_ROOT} ${PARMETIS_ROOT}/lib PATH_SUFFIXES ${PATH_SUFFIXES}
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NO_DEFAULT_PATH
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DOC "${doc}")
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find_library(${libvar} ${libname})
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endmacro(_search_parmetis_lib)
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if(PARMETIS_SUFFIX)
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set(PATH_SUFFIXES "-${PARMETIS_SUFFIX}")
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else(PARMETIS_SUFFIX)
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set(PATH_SUFFIXES "")
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endif(PARMETIS_SUFFIX)
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include(CMakePushCheckState)
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cmake_push_check_state() # Save variables
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find_path(PARMETIS_INCLUDE_DIR parmetis.h
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PATHS ${PARMETIS_ROOT} ${PARMETIS_ROOT}/include
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PATH_SUFFIXES parmetis${PATH_SUFFIXES}
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NO_DEFAULT_PATH
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DOC "Include directory of ParMETIS")
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find_path(PARMETIS_INCLUDE_DIR parmetis.h
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PATH_SUFFIXES parmetis${PATH_SUFFIXES})
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# find the serial version of METIS
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find_package(METIS)
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set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${MPI_C_INCLUDE_PATH} )
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if(PARMETIS_INCLUDE_DIR)
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set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${PARMETIS_INCLUDE_DIR})
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if(METIS_INCLUDE_DIR)
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set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${METIS_INCLUDE_DIR})
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endif()
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endif()
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set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${MPI_C_COMPILE_FLAGS}")
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check_include_file(parmetis.h PARMETIS_FOUND)
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_search_parmetis_lib(PARMETIS_LIBRARY parmetis "The main ParMETIS library.")
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# behave like a CMake module is supposed to behave
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(
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"ParMETIS"
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DEFAULT_MSG
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PARMETIS_INCLUDE_DIR
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PARMETIS_LIBRARY
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METIS_LIBRARY
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PARMETIS_FOUND
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METIS_FOUND
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)
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#restore old values
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cmake_pop_check_state()
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if(PARMETIS_FOUND)
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set(PARMETIS_INCLUDE_DIRS ${PARMETIS_INCLUDE_DIR})
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set(PARMETIS_LIBRARIES ${PARMETIS_LIBRARY} ${METIS_LIBRARY} ${MPI_C_LIBRARIES}
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CACHE FILEPATH "All libraries needed to link programs using ParMETIS")
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set(PARMETIS_LINK_FLAGS "${DUNE_C_LINK_FLAGS}"
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CACHE STRING "ParMETIS link flags")
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set(HAVE_PARMETIS 1)
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# log result
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Determining location of ParMETIS succeded:\n"
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"Include directory: ${PARMETIS_INCLUDE_DIRS}\n"
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"Library directory: ${PARMETIS_LIBRARIES}\n\n")
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endif(PARMETIS_FOUND)
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mark_as_advanced(PARMETIS_INCLUDE_DIRS PARMETIS_LIBRARIES HAVE_PARMETIS)
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