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https://git.dev.opencascade.org/repos/occt.git
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25b12541d7
Refactor CMake files to hide redundant variables using mark_as_advanced. The result - no re-find will be performed. From 30s to 5s for second time reconfiguration stage.
88 lines
3.2 KiB
CMake
88 lines
3.2 KiB
CMake
# eigen
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if (NOT DEFINED INSTALL_EIGEN)
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set (INSTALL_EIGEN OFF CACHE BOOL "${INSTALL_EIGEN_DESCR}")
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endif()
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# eigen directory
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if (NOT DEFINED 3RDPARTY_EIGEN_DIR)
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set (3RDPARTY_EIGEN_DIR "" CACHE PATH "The directory containing eigen")
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endif()
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# search for eigen in user defined directory
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if (3RDPARTY_DIR AND EXISTS "${3RDPARTY_DIR}")
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if (NOT 3RDPARTY_EIGEN_DIR OR NOT EXISTS "${3RDPARTY_EIGEN_DIR}")
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FIND_PRODUCT_DIR("${3RDPARTY_DIR}" Eigen EIGEN_DIR_NAME)
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if (EIGEN_DIR_NAME)
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set (3RDPARTY_EIGEN_DIR "${3RDPARTY_DIR}/${EIGEN_DIR_NAME}" CACHE PATH "The directory containing eigen" FORCE)
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endif()
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endif()
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endif()
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if (NOT DEFINED 3RDPARTY_EIGEN_INCLUDE_DIR)
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set (3RDPARTY_EIGEN_INCLUDE_DIR "" CACHE FILEPATH "The directory containing headers of the EIGEN")
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endif()
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if (NOT 3RDPARTY_EIGEN_INCLUDE_DIR OR NOT EXISTS "${3RDPARTY_EIGEN_INCLUDE_DIR}")
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set (HEADER_NAMES Eigen)
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set (3RDPARTY_EIGEN_INCLUDE_DIR "3RDPARTY_EIGEN_INCLUDE_DIR-NOTFOUND" CACHE PATH "the path to Eigen header file" FORCE)
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if (3RDPARTY_EIGEN_DIR AND EXISTS "${3RDPARTY_EIGEN_DIR}")
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find_path (3RDPARTY_EIGEN_INCLUDE_DIR NAMES ${HEADER_NAMES}
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PATHS ${3RDPARTY_EIGEN_DIR}
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PATH_SUFFIXES include eigen3 include/eigen3
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CMAKE_FIND_ROOT_PATH_BOTH
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NO_DEFAULT_PATH)
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else()
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find_path (3RDPARTY_EIGEN_INCLUDE_DIR NAMES ${HEADER_NAMES}
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PATH_SUFFIXES include eigen3 include/eigen3
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CMAKE_FIND_ROOT_PATH_BOTH)
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endif()
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# use default (CMake) EIGEN search
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if (NOT 3RDPARTY_EIGEN_INCLUDE_DIR OR NOT EXISTS "${3RDPARTY_EIGEN_INCLUDE_DIR}")
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# use 3RDPARTY_EIGEN_DIR if it is specified for eigen search
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if (3RDPARTY_EIGEN_DIR AND EXISTS "${3RDPARTY_EIGEN_DIR}")
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set (CACHED_EIGEN_DIR $ENV{Eigen3_DIR})
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set (ENV{Eigen3_DIR} "${3RDPARTY_EIGEN_DIR}")
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endif()
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find_package(Eigen3 QUIET)
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# restore ENV{Eigen3_DIR}
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if (3RDPARTY_EIGEN_DIR AND EXISTS "${3RDPARTY_EIGEN_DIR}")
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set (ENV{Eigen3_DIR} ${CACHED_EIGEN_DIR})
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endif()
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if (${EIGEN3_FOUND})
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set (3RDPARTY_EIGEN_INCLUDE_DIR "${EIGEN3_INCLUDE_DIR}" CACHE PATH "the path to Eigen header file" FORCE)
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set (3RDPARTY_EIGEN_DIR "${EIGEN3_ROOT_DIR}" CACHE PATH "The directory containing eigen" FORCE)
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endif()
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endif()
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endif()
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if (3RDPARTY_EIGEN_INCLUDE_DIR AND EXISTS "${3RDPARTY_EIGEN_INCLUDE_DIR}")
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list (APPEND 3RDPARTY_INCLUDE_DIRS "${3RDPARTY_EIGEN_INCLUDE_DIR}")
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# Install header files
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if (INSTALL_EIGEN)
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file(GLOB EIGEN_SUBDIRS "${3RDPARTY_EIGEN_INCLUDE_DIR}/*")
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foreach(SUBDIR ${EIGEN_SUBDIRS})
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if(IS_DIRECTORY "${SUBDIR}")
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install (DIRECTORY "${SUBDIR}" DESTINATION "${INSTALL_DIR_INCLUDE}")
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else()
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install (FILES "${SUBDIR}" DESTINATION "${INSTALL_DIR_INCLUDE}")
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endif()
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endforeach()
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endif()
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else()
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list (APPEND 3RDPARTY_NOT_INCLUDED 3RDPARTY_EIGEN_INCLUDE_DIR)
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set (3RDPARTY_EIGEN_INCLUDE_DIR "" CACHE PATH "the path to Eigen header file" FORCE)
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endif()
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# hide all redundant variables
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mark_as_advanced(Eigen3_DIR)
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