+### Check for Eigen library
+set(SIMGRID_HAVE_EIGEN3 0)
+find_package (Eigen3 3.3 CONFIG
+ HINTS ${EIGEN3_HINT})
+if (Eigen3_FOUND)
+ set(SIMGRID_HAVE_EIGEN3 1)
+ message(STATUS "Found Eigen3: ${EIGEN3_INCLUDE_DIR}")
+ include_directories(${EIGEN3_INCLUDE_DIR})
+ if ("3.3.4" EQUAL EIGEN3_VERSION_STRING AND CMAKE_COMPILER_IS_GNUCC)
+ message(STATUS "Avoid build error of Eigen3 v3.3.4 using -Wno-error=int-in-bool-context")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=int-in-bool-context")
+ endif()
+else()
+ message(STATUS "Disabling model BMF because Eigen3 was not found. If it's installed, use EIGEN3_HINT to hint cmake about the location of Eigen3Config.cmake")
+endif()
+