CGAL users discussion list

[Anthony Webber <>]

Please excuse my naivety.

I am attempting to build the Poisson_surface_reconstruction_3 example. 
Below is the cmake output. Could you tell me what I need to do?

cmake -DCMAKE_BUILD_TYPE=Release .
-- The C compiler identification is GNU 9.3.0
-- The CXX compiler identification is GNU 9.3.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Using header-only CGAL
-- Targetting Unix Makefiles
-- Using /usr/bin/c++ compiler.
-- Found GMP: /usr/local/lib/libgmp.so
-- Found MPFR: /usr/lib/x86_64-linux-gnu/libmpfr.so
-- Found Boost: 
/usr/lib/x86_64-linux-gnu/cmake/Boost-1.71.0/BoostConfig.cmake (found 
suitable version "1.71.0", minimum required is "1.48")
-- Boost include dirs: /usr/include
-- Boost libraries:
-- Using gcc version 4 or later. Adding -frounding-math
-- Found Eigen3: /usr/local/include/eigen3 (found suitable version 
"3.4.99", minimum required is "3.1.0")
CMake Error at CMakeLists.txt:34 (include):
  include could not find load file:

    CGAL_Eigen3_support


-- NOTICE: The examples need Eigen 3.1 (or greater) will not be compiled.
-- Configuring incomplete, errors occurred!