endif()
### Check for Eigen library
-set(SIMGRID_HAVE_EIGEN3 OFF)
-find_package (Eigen3 3.3 CONFIG
- HINTS ${EIGEN3_HINT})
-if (Eigen3_FOUND)
- set(SIMGRID_HAVE_EIGEN3 ON)
- message(STATUS "Found Eigen3: ${EIGEN3_INCLUDE_DIR}")
- include_directories(${EIGEN3_INCLUDE_DIR})
- if ("3.3.4" VERSION_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")
+if ((NOT DEFINED EIGEN3_HINT) OR (NOT EIGEN3_HINT STRLESS_EQUAL "OFF"))
+ set(SIMGRID_HAVE_EIGEN3 OFF)
+ find_package (Eigen3 3.3 CONFIG
+ HINTS ${EIGEN3_HINT})
+ if (Eigen3_FOUND)
+ set(SIMGRID_HAVE_EIGEN3 ON)
+ message(STATUS "Found Eigen3: ${EIGEN3_INCLUDE_DIR}")
+ include_directories(${EIGEN3_INCLUDE_DIR})
+ if ("3.3.4" VERSION_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()
+ mark_as_advanced(Eigen3_DIR)
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")
+ message(STATUS "Disabling Eigen3 as requested by the user (EIGEN3_HINT is set to 'OFF')")
endif()
-mark_as_advanced(Eigen3_DIR)
# Check for our JSON dependency
set(SIMGRID_HAVE_JSON 0)
