cmake: modernize eigen3

Author: nim65s

CMakeLists.txt

@@ -66,7 +66,9 @@ IF(TRACE_SOLVER)
 ENDIF(TRACE_SOLVER)
   TARGET_COMPILE_DEFINITIONS(${PROJECT_NAME} PRIVATE EIQGUADPROG_TRACE_SOLVER)
 
-TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} SYSTEM PUBLIC ${EIGEN3_INCLUDE_DIR})
+MODERNIZE_TARGET_LINK_LIBRARIES(${PROJECT_NAME} SCOPE PUBLIC
+  TARGETS Eigen3::Eigen
+  INCLUDE_DIRS ${EIGEN3_INCLUDE_DIR})
 TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} INTERFACE $<INSTALL_INTERFACE:include>)
 INSTALL(TARGETS ${PROJECT_NAME} EXPORT ${TARGETS_EXPORT_NAME} DESTINATION lib)