CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Did you recompile the CGAL library with GCC?

On 08/04/2017 03:41 PM, bebe0705 wrote:
> After investigating further, it appears that it's a compiler issue.
>
> The example were compiled with the default Clang compiler.
>
> My application though has to compile with GCC 7 built from source, since
> OpenMP which I need is not supported by Clang.
>
> As you will notice hereunder, GCC was retrieved through homebrew via
>
> *brew install gcc --without-multilib
> *
> I switch compilers by adding the following two lines before project() in my
> CMakeLists.txt:
> *
> set(CMAKE_C_COMPILER /usr/local/Cellar/gcc/7.1.0/bin/gcc-7 CACHE STRING "C
> Compiler" FORCE)
> set(CMAKE_CXX_COMPILER /usr/local/Cellar/gcc/7.1.0/bin/g++-7 CACHE STRING
> "C++ Compiler" FORCE)
> *
> If I do so in the Poisson_surface_reconstruction_example, then I am getting
> the same undefined symbol errors. However removing them and letting the
> system use Clang allows the build to proceed.
>
>
> Any thoughts?
>
>
>
> --
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> http://cgal-discuss.949826.n4.nabble.com/Undefined-symbol-while-linking-against-Cgal-tp4662876p4662877.html
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