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Andrej730
692ef5ecea
`EIgen::Eigen` target used in #7340 for linking exists only if there's a cmake config, while there are cases when there's just include directory. Added same name interface target to mimic config.
28 lines
802 B
CMake
28 lines
802 B
CMake
#
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# Input variables:
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# - `EIGEN_DIR`
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# If input variables are not specified, try to find Eigen3 config.
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# Input variables could also be provided as environment variables.
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#
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# Output targets:
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# - `Eigen3::Eigen`
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UNIFY_ENVVARS_AND_CACHE(EIGEN_DIR)
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if(EXISTS "${EIGEN_DIR}")
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# Mimic Eigen3Config.cmake target.
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add_library(Eigen3::Eigen INTERFACE IMPORTED)
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target_include_directories(Eigen3::Eigen INTERFACE "${EIGEN_DIR}")
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else()
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find_package(Eigen3 CONFIG)
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if(Eigen3_DIR)
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message(STATUS "Eigen3: found config at '${Eigen3_DIR}'.")
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else()
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message(
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FATAL_ERROR
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"EIGEN_DIR is not provided or provided folder doesn't exist (current value: '${EIGEN_DIR}'). "
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"Also couldn't find Eigen3 as a package."
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)
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endif()
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endif()
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