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Merge pull request #2038 from blattms/fix-scotch-parmetis

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[cmake] Use scotch include dir for parmetis bindings of scotch.
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Markus Blatt 2020-10-28 12:28:50 +01:00 committed by GitHub
commit e5f191ede8
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1 changed files with 14 additions and 1 deletions
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15
cmake/Modules/FindParMETIS.cmake
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@ -60,6 +60,19 @@ set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${MPI_C_COMPILE_FLAGS}")
include(CheckIncludeFile)
check_include_file(parmetis.h PARMETIS_FOUND)
if(NOT PARMETIS_FOUND)
# If we are using the ParMETIS bindings of PTScotch, we need
# to use the scotch include path as partmetis.h includes scotch.h
find_package(PTScotch)
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${PTSCOTCH_INCLUDE_DIR})
unset(PARMETIS_FOUND CACHE) # force recheck of include file
check_include_file(parmetis.h PARMETIS_FOUND)
if(PARMETIS_FOUND)
set(PARMETIS_SCOTCH_INCLUDE_DIRS ${PTSCOTCH_INCLUDE_DIRS})
endif()
endif()
_search_parmetis_lib(PARMETIS_LIBRARY parmetis "The main ParMETIS library.")
# behave like a CMake module is supposed to behave
@ -77,7 +90,7 @@ find_package_handle_standard_args(
cmake_pop_check_state()
if(PARMETIS_FOUND)
set(PARMETIS_INCLUDE_DIRS ${PARMETIS_INCLUDE_DIR})
set(PARMETIS_INCLUDE_DIRS ${PARMETIS_INCLUDE_DIR} ${PARMETIS_SCOTCH_INCLUDE_DIRS})
set(PARMETIS_LIBRARIES ${PARMETIS_LIBRARY} ${METIS_LIBRARIES} ${MPI_C_LIBRARIES}
CACHE FILEPATH "All libraries needed to link programs using ParMETIS")
set(PARMETIS_LINK_FLAGS "${DUNE_C_LINK_FLAGS}"