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- if(NOT Eigen3_FIND_VERSION)
- if(NOT Eigen3_FIND_VERSION_MAJOR)
- set(Eigen3_FIND_VERSION_MAJOR 2)
- endif(NOT Eigen3_FIND_VERSION_MAJOR)
- if(NOT Eigen3_FIND_VERSION_MINOR)
- set(Eigen3_FIND_VERSION_MINOR 91)
- endif(NOT Eigen3_FIND_VERSION_MINOR)
- if(NOT Eigen3_FIND_VERSION_PATCH)
- set(Eigen3_FIND_VERSION_PATCH 0)
- endif(NOT Eigen3_FIND_VERSION_PATCH)
- set(Eigen3_FIND_VERSION "${Eigen3_FIND_VERSION_MAJOR}.${Eigen3_FIND_VERSION_MINOR}.${Eigen3_FIND_VERSION_PATCH}")
- endif(NOT Eigen3_FIND_VERSION)
- macro(_eigen3_check_version)
- file(READ "${EIGEN3_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _eigen3_version_header)
- string(REGEX MATCH "define[ \t]+EIGEN_WORLD_VERSION[ \t]+([0-9]+)" _eigen3_world_version_match "${_eigen3_version_header}")
- set(EIGEN3_WORLD_VERSION "${CMAKE_MATCH_1}")
- string(REGEX MATCH "define[ \t]+EIGEN_MAJOR_VERSION[ \t]+([0-9]+)" _eigen3_major_version_match "${_eigen3_version_header}")
- set(EIGEN3_MAJOR_VERSION "${CMAKE_MATCH_1}")
- string(REGEX MATCH "define[ \t]+EIGEN_MINOR_VERSION[ \t]+([0-9]+)" _eigen3_minor_version_match "${_eigen3_version_header}")
- set(EIGEN3_MINOR_VERSION "${CMAKE_MATCH_1}")
- set(EIGEN3_VERSION ${EIGEN3_WORLD_VERSION}.${EIGEN3_MAJOR_VERSION}.${EIGEN3_MINOR_VERSION})
- if(${EIGEN3_VERSION} VERSION_LESS ${Eigen3_FIND_VERSION})
- set(EIGEN3_VERSION_OK FALSE)
- else(${EIGEN3_VERSION} VERSION_LESS ${Eigen3_FIND_VERSION})
- set(EIGEN3_VERSION_OK TRUE)
- endif(${EIGEN3_VERSION} VERSION_LESS ${Eigen3_FIND_VERSION})
- if(NOT EIGEN3_VERSION_OK)
- message(STATUS "Eigen3 version ${EIGEN3_VERSION} found in ${EIGEN3_INCLUDE_DIR}, "
- "but at least version ${Eigen3_FIND_VERSION} is required")
- endif(NOT EIGEN3_VERSION_OK)
- endmacro(_eigen3_check_version)
- if (EIGEN3_INCLUDE_DIR)
-
- _eigen3_check_version()
- set(EIGEN3_FOUND ${EIGEN3_VERSION_OK})
- else (EIGEN3_INCLUDE_DIR)
-
- if (WIN32)
- set(EIGEN_ADDITIONAL_SEARCH_PATHS ${EIGEN_ADDITIONAL_SEARCH_PATHS} "C:/Program Files/Eigen/include" "C:/Program Files (x86)/Eigen/include")
- endif(WIN32)
- find_path(EIGEN3_INCLUDE_DIR NAMES signature_of_eigen3_matrix_library
- PATHS
- ${CMAKE_INSTALL_PREFIX}/include
- ${EIGEN_ADDITIONAL_SEARCH_PATHS}
- ${KDE4_INCLUDE_DIR}
- PATH_SUFFIXES eigen3 eigen
- )
- if(EIGEN3_INCLUDE_DIR)
- _eigen3_check_version()
- endif(EIGEN3_INCLUDE_DIR)
- include(FindPackageHandleStandardArgs)
- find_package_handle_standard_args(Eigen3 DEFAULT_MSG EIGEN3_INCLUDE_DIR EIGEN3_VERSION_OK)
- mark_as_advanced(EIGEN3_INCLUDE_DIR)
- endif(EIGEN3_INCLUDE_DIR)
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