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-rw-r--r--src/cmake/modules/GUDHI_third_party_libraries.cmake1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/cmake/modules/GUDHI_third_party_libraries.cmake b/src/cmake/modules/GUDHI_third_party_libraries.cmake
index e1566877..e2684aa4 100644
--- a/src/cmake/modules/GUDHI_third_party_libraries.cmake
+++ b/src/cmake/modules/GUDHI_third_party_libraries.cmake
@@ -58,6 +58,7 @@ endif(WITH_GUDHI_USE_TBB)
set(CGAL_WITH_EIGEN3_VERSION 0.0.0)
find_package(Eigen3 3.1.0)
if (EIGEN3_FOUND)
+ add_definitions(-DGUDHI_USE_EIGEN3)
include( ${EIGEN3_USE_FILE} )
set(CGAL_WITH_EIGEN3_VERSION ${CGAL_VERSION})
endif (EIGEN3_FOUND)