CGAL users discussion list

[Andreas Fabri <>]

nothing to orry about

Core is not the core of CGAL, but a number type for
arbitrary precision reals on top of GMP. It is only
needed by very few packages.

andreas

On 13/10/2014 15:27, Dominik Szczerba wrote:
> Thanks a lot. Then I receive the following messages::
>
> Disable the GMP support
> -- External libraries supported:
> GMP;MPFR;ZLIB;OpenGL;LEDA;MPFI;RS;RS3;OpenNL;Eigen3;BLAS;LAPACK;QGLViewer;ESBTL;Coin3D;NTL;IPE
> -- CGAL_Core needs GMP, cannot be configured.
>
> and later on:
>
> -- CGAL_Core is not being configured (missing GMP, or 64bit architecture).
>
>
>
> And I am configuring on a 64 bit Machine...
>
> Please help.
>
> Dominik
>
>
> 2014-10-13 15:19 GMT+02:00 Sebastien Loriot (GeometryFactory)
> <>:
> > On 10/13/2014 03:13 PM, Dominik Szczerba wrote:
> > > Hi,
> > >
> > > I need to build CGAL 4.5 without GMP. I specify the cmake flag
> > > -DWITH_GMP:BOOL=OFF but still get the error listed below. How do I go
> > > around it?
> >
> > try -DCGAL_DISABLE_GMP=ON
> >
> > Sebastien.
> >
> > http://doc.cgal.org/latest/Manual/installation.html#installation_gmp
> >
> >
> > > Many thanks for an advice
> > > Dominik
> > >
> > > == Detect external libraries ==
> > > -- External libraries supported:
> > >
> > > GMP;MPFR;ZLIB;OpenGL;LEDA;MPFI;RS;RS3;OpenNL;Eigen3;BLAS;LAPACK;QGLViewer;ESBTL;Coin3D;NTL;IPE
> > > -- Preconfiguring library: GMP ...
> > > -- Could NOT find GMP (missing:  GMP_LIBRARIES GMP_INCLUDE_DIR)
> > > CMake Error at cmake/modules/CGAL_SetupDependencies.cmake:66 (message):
> > >     CGAL requires GMP to be found
> > > Call Stack (most recent call first):
> > >     CMakeLists.txt:639 (include)
> >
> >
> > --
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--
Andreas Fabri, PhD
Chief Officer, GeometryFactory
Editor, The CGAL Project

phone: +33.492.954.912    skype: andreas.fabri