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diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb2a3f1..93a4be6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -390,6 +390,12 @@ if(ENABLE_GMSH)
list(APPEND EXTERNAL_INCLUDES ${GMSH_INC} ${GMSH_INC}/gmsh)
set_config_option(HAVE_GMSH "Gmsh")
endif()
+ # gmsh debian package installation uses system-wide eigen installation
+ # rather than contib installation
+ find_path(EIGEN_INC "Eigen/Dense" PATH_SUFFIXES eigen3)
+ if(EIGEN_INC)
+ include_directories(${EIGEN_INC})
+ endif()
endif()
if(ENABLE_SMALLFEM)
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