52 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			CMake
		
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			CMake
		
	
	
###############################################################################
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# Metis library
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# For both system or bundle version, a cmake target "metis-gtsam-if" is defined (interface library)
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# Dont try to use metis if GTSAM_SUPPORT_NESTED_DISSECTION is disabled:
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if (NOT GTSAM_SUPPORT_NESTED_DISSECTION)
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  return()
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endif()
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option(GTSAM_USE_SYSTEM_METIS "Find and use system-installed libmetis. If 'off', use the one bundled with GTSAM" OFF)
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if(GTSAM_USE_SYSTEM_METIS)
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  # Debian package: libmetis-dev
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  find_path(METIS_INCLUDE_DIR metis.h REQUIRED)
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  find_library(METIS_LIBRARY metis REQUIRED)
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  if(METIS_INCLUDE_DIR AND METIS_LIBRARY)
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    mark_as_advanced(METIS_INCLUDE_DIR)
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    mark_as_advanced(METIS_LIBRARY)
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    add_library(metis-gtsam-if INTERFACE)
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    target_include_directories(metis-gtsam-if BEFORE INTERFACE ${METIS_INCLUDE_DIR}
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      # gtsam_unstable/partition/FindSeparator-inl.h uses internal metislib.h API
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      # via extern "C"
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      $<BUILD_INTERFACE:${GTSAM_SOURCE_DIR}/gtsam/3rdparty/metis/libmetis>
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      $<BUILD_INTERFACE:${GTSAM_SOURCE_DIR}/gtsam/3rdparty/metis/GKlib>
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    )
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    target_link_libraries(metis-gtsam-if INTERFACE ${METIS_LIBRARY})
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  endif()
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else()
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  # Bundled version:
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  option(GTSAM_BUILD_METIS_EXECUTABLES "Build metis library executables" OFF)
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  add_subdirectory(${GTSAM_SOURCE_DIR}/gtsam/3rdparty/metis)
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  target_include_directories(metis-gtsam BEFORE PUBLIC
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    $<INSTALL_INTERFACE:include/gtsam/3rdparty/metis/>
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    $<BUILD_INTERFACE:${GTSAM_SOURCE_DIR}/gtsam/3rdparty/metis/include>
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    # gtsam_unstable/partition/FindSeparator-inl.h uses internal metislib.h API
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    # via extern "C"
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    $<BUILD_INTERFACE:${GTSAM_SOURCE_DIR}/gtsam/3rdparty/metis/libmetis>
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    $<BUILD_INTERFACE:${GTSAM_SOURCE_DIR}/gtsam/3rdparty/metis/GKlib>
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  )
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  add_library(metis-gtsam-if INTERFACE)
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  target_link_libraries(metis-gtsam-if INTERFACE metis-gtsam)
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endif()
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list(APPEND GTSAM_EXPORTED_TARGETS metis-gtsam-if)
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install(TARGETS metis-gtsam-if EXPORT GTSAM-exports ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
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