dolfin team mailing list archive

[Benjamin Kehlet <benjamik@xxxxxxxxx>]

2012/9/3 Joachim Berdal Haga <jobh@xxxxxxxxx>:
> I'm having trouble getting the CSG demos (in the dolfin-csg branch) to
> compile. Any hints?
>
>   sec ~/src/fenics/src/dolfin-csg/dorsal_build_dir 1$ make demo_csg
>   Building CXX object
> demo/undocumented/csg/cpp/CMakeFiles/demo_csg.dir/main.cpp.o
>   demo/undocumented/csg/cpp/main.cpp: In function ‘int main()’:
>   demo/undocumented/csg/cpp/main.cpp:35:3: error: ‘csg’ has not been declared
>   [etc]
>
> It looks like it's missing an include, and adding "#include
> <dolfin/generation/CSGPrimitives2D.h>" helps a little. However:
>
>   demo/undocumented/csg/cpp/main.cpp: In function ‘int main()’:
>   demo/undocumented/csg/cpp/main.cpp:37:44: error: no match for
> ‘operator-’ in ‘c - r’
>   demo/undocumented/csg/cpp/main.cpp:37:44: note: candidates are:
>   /usr/include/gmpxx.h:3133:106: note: template<class T, class U>
> __gmp_expr<T, __gmp_unary_expr<__gmp_expr<T, U>, __gmp_unary_minus> >
> operator-(const __gmp_expr<T, U>&)
>   [...]
>   demo/undocumented/csg/cpp/main.cpp:47:18: error: no matching
> function for call to
> ‘dolfin::Mesh::Mesh(boost::shared_ptr<dolfin::CSGGeometry>&)’
>   [...]
>
> ?

Strange. It builds fine here. Does it help to include
<dolfin/generation/CSGOperators.h> ?

Benjamin


> -j.
>
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