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[Maxime Gimeno <>]

Actually, it might also be a Cache issue. Delete the CMakeCache.txt in your build directory before trying to rename the include argument

Le lun. 19 avr. 2021 à 13:12, Maxime Gimeno <> a écrit :

You should try to use the examples in https://github.com/CGAL/cgal/releases/download/v5.2.1/CGAL-5.2.1-examples.tar.xz then

Le lun. 19 avr. 2021 à 12:05, Anthony Webber <> a écrit :

That doesn't seem to work. :(. Same error.

I am using CGAL 5.2.1 and Eigen 3.4.99.


On 19/04/2021 10:23, Sebastien Loriot ( via
cgal-discuss Mailing List) wrote:
> Most probably, the example your are using does not match with the
> release of CGAL you are using.
>
> You can rename CGAL_Eigen3_support to CGAL_Eigen_support in the
> CMakeLists.txt and it should work.
>
>
> The change was introduced by this PR:
> https://github.com/CGAL/cgal/pull/5360
>
> only merged in the master branch targeting CGAL 5.3
>
>
> Best,
>
> Sebastien.
>
> On 4/19/21 11:18 AM, Anthony Webber wrote:
>> 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!
>>
>

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