CGAL users discussion list

[Asher Kamiraze <>]

Thanks Joachim.

I had all the packages already installed. However, cmake does not find them. I had to manually set the path /usr/lib/{liblapack.so;libblas.so} and add the preprocessor definition -DLAPACK_USE_F2C, the same for blas. Not sure of the exact definition, I do not have the computer on which I did it right now.

However, it now works.

Regards,

Asher

2011/3/1 Joachim Reichel <>

Hi,

> I am currently trying to compile the Ridges_3 examples provided with CGAL.
> However, it requires LAPACK and BLAS, and, although they are installed on my
> computer, cmake does not find them. Here is my config:
>
> - ubuntu 10.04
> - cmake 2.8.1
> - g++ 4.4.3
> - libblas-dev 1.2-2build1
> - liblapack-dev 3.2.1-2
> - CGAL 3.7
>
> Could you please telll me what I am missing ?

Have you tried the Debian packages? They might work for Ubuntu, too (but I don't
know for sure).

If it doesn't work or if you want to build CGAL yourself here are the
dependencies from the Debian package (some of them only needed for specific
demos/examples):

cmake, libboost-dev, libboost-thread-dev, libboost-program-options-dev,
libgmp3-dev, libmpfr-dev, libqt4-dev, libqt4-opengl-dev, zlib1g-dev, libipe-dev
(>= 7), ipe, liblapack-dev, libatlas-base-dev | libatlas.so.3gf, gfortran,
geomview, libqglviewer-qt4-dev, libglew1.5-dev | libglew-dev,
libmagick++-dev | libmagick++9-dev, qt4-dev-tools

Maybe you are missing libatlas-base-dev?

Joachim

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