# eigen if (NOT DEFINED INSTALL_EIGEN) set (INSTALL_EIGEN OFF CACHE BOOL "${INSTALL_EIGEN_DESCR}") endif() # eigen directory if (NOT DEFINED 3RDPARTY_EIGEN_DIR) set (3RDPARTY_EIGEN_DIR "" CACHE PATH "The directory containing eigen") endif() # search for eigen in user defined directory if (3RDPARTY_DIR AND EXISTS "${3RDPARTY_DIR}") if (NOT 3RDPARTY_EIGEN_DIR OR NOT EXISTS "${3RDPARTY_EIGEN_DIR}") FIND_PRODUCT_DIR("${3RDPARTY_DIR}" Eigen EIGEN_DIR_NAME) if (EIGEN_DIR_NAME) set (3RDPARTY_EIGEN_DIR "${3RDPARTY_DIR}/${EIGEN_DIR_NAME}" CACHE PATH "The directory containing eigen" FORCE) endif() endif() endif() if (NOT DEFINED 3RDPARTY_EIGEN_INCLUDE_DIR) set (3RDPARTY_EIGEN_INCLUDE_DIR "" CACHE FILEPATH "The directory containing headers of the EIGEN") endif() if (NOT 3RDPARTY_EIGEN_INCLUDE_DIR OR NOT EXISTS "${3RDPARTY_EIGEN_INCLUDE_DIR}") set (HEADER_NAMES Eigen) set (3RDPARTY_EIGEN_INCLUDE_DIR "3RDPARTY_EIGEN_INCLUDE_DIR-NOTFOUND" CACHE PATH "the path to Eigen header file" FORCE) if (3RDPARTY_EIGEN_DIR AND EXISTS "${3RDPARTY_EIGEN_DIR}") find_path (3RDPARTY_EIGEN_INCLUDE_DIR NAMES ${HEADER_NAMES} PATHS ${3RDPARTY_EIGEN_DIR} PATH_SUFFIXES include eigen3 include/eigen3 CMAKE_FIND_ROOT_PATH_BOTH NO_DEFAULT_PATH) else() find_path (3RDPARTY_EIGEN_INCLUDE_DIR NAMES ${HEADER_NAMES} PATH_SUFFIXES include eigen3 include/eigen3 CMAKE_FIND_ROOT_PATH_BOTH) endif() # use default (CMake) EIGEN search if (NOT 3RDPARTY_EIGEN_INCLUDE_DIR OR NOT EXISTS "${3RDPARTY_EIGEN_INCLUDE_DIR}") # use 3RDPARTY_EIGEN_DIR if it is specified for eigen search if (3RDPARTY_EIGEN_DIR AND EXISTS "${3RDPARTY_EIGEN_DIR}") set (CACHED_EIGEN_DIR $ENV{Eigen3_DIR}) set (ENV{Eigen3_DIR} "${3RDPARTY_EIGEN_DIR}") endif() find_package(Eigen3 QUIET) # restore ENV{Eigen3_DIR} if (3RDPARTY_EIGEN_DIR AND EXISTS "${3RDPARTY_EIGEN_DIR}") set (ENV{Eigen3_DIR} ${CACHED_EIGEN_DIR}) endif() if (${EIGEN3_FOUND}) set (3RDPARTY_EIGEN_INCLUDE_DIR "${EIGEN3_INCLUDE_DIR}" CACHE PATH "the path to Eigen header file" FORCE) set (3RDPARTY_EIGEN_DIR "${EIGEN3_ROOT_DIR}" CACHE PATH "The directory containing eigen" FORCE) endif() endif() endif() if (3RDPARTY_EIGEN_INCLUDE_DIR AND EXISTS "${3RDPARTY_EIGEN_INCLUDE_DIR}") list (APPEND 3RDPARTY_INCLUDE_DIRS "${3RDPARTY_EIGEN_INCLUDE_DIR}") # Install header files if (INSTALL_EIGEN) file(GLOB EIGEN_SUBDIRS "${3RDPARTY_EIGEN_INCLUDE_DIR}/*") foreach(SUBDIR ${EIGEN_SUBDIRS}) if(IS_DIRECTORY "${SUBDIR}") install (DIRECTORY "${SUBDIR}" DESTINATION "${INSTALL_DIR_INCLUDE}") else() install (FILES "${SUBDIR}" DESTINATION "${INSTALL_DIR_INCLUDE}") endif() endforeach() endif() else() list (APPEND 3RDPARTY_NOT_INCLUDED 3RDPARTY_EIGEN_INCLUDE_DIR) set (3RDPARTY_EIGEN_INCLUDE_DIR "" CACHE PATH "the path to Eigen header file" FORCE) endif() # unset all redundant variables OCCT_CHECK_AND_UNSET(Eigen3_DIR)