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use eigen as an IMPORTED target in CMake

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Eigen considers the EIGEN3_INCLUDE_DIRS and EIGEN3_DEFINITIONS variables
to be deprecated and they will no longer be exported in the next release
after 3.4.0:
f2984cd077

Use the IMPORTED target instead, which seems to be the preferred way of
consuming third-party CMake libraries.
This commit is contained in:
Dan Callaghan 2023-01-24 13:11:50 +11:00
parent 985c688bf6
commit 4c7e805f18
1 changed files with 1 additions and 2 deletions
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3
CMakeLists.txt
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@ -225,8 +225,7 @@ include_directories(common/kernel/ common/place/ common/route/ json/ frontend/ 3
if(BUILD_HEAP)
find_package (Eigen3 REQUIRED NO_MODULE)
include_directories(${EIGEN3_INCLUDE_DIRS})
add_definitions(${EIGEN3_DEFINITIONS})
link_libraries(Eigen3::Eigen)
add_definitions(-DWITH_HEAP)
endif()