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34 lines
1.3 KiB
CMake
34 lines
1.3 KiB
CMake
3 weeks ago
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find_path(Eigen3_INCLUDE_DIR
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NAMES signature_of_eigen3_matrix_library
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PATH_SUFFIXES eigen3 eigen
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DOC "Eigen include directory")
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mark_as_advanced(Eigen3_INCLUDE_DIR)
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if (Eigen3_INCLUDE_DIR)
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file(STRINGS "${Eigen3_INCLUDE_DIR}/Eigen/src/Core/util/Macros.h" _Eigen3_version_lines
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REGEX "#define[ \t]+EIGEN_(WORLD|MAJOR|MINOR)_VERSION")
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string(REGEX REPLACE ".*EIGEN_WORLD_VERSION *\([0-9]*\).*" "\\1" _Eigen3_version_world "${_Eigen3_version_lines}")
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string(REGEX REPLACE ".*EIGEN_MAJOR_VERSION *\([0-9]*\).*" "\\1" _Eigen3_version_major "${_Eigen3_version_lines}")
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string(REGEX REPLACE ".*EIGEN_MINOR_VERSION *\([0-9]*\).*" "\\1" _Eigen3_version_minor "${_Eigen3_version_lines}")
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set(Eigen3_VERSION "${_Eigen3_version_world}.${_Eigen3_version_major}.${_Eigen3_version_minor}")
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unset(_Eigen3_version_world)
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unset(_Eigen3_version_major)
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unset(_Eigen3_version_minor)
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unset(_Eigen3_version_lines)
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endif ()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Eigen3
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REQUIRED_VARS Eigen3_INCLUDE_DIR
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VERSION_VAR Eigen3_VERSION)
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if (Eigen3_FOUND)
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set(Eigen3_INCLUDE_DIRS "${Eigen3_INCLUDE_DIR}")
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if (NOT TARGET Eigen3::Eigen3)
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add_library(Eigen3::Eigen3 INTERFACE IMPORTED)
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set_target_properties(Eigen3::Eigen3 PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${Eigen3_INCLUDE_DIR}")
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endif ()
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endif ()
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