FIX: CUDA: add a workaround to change the host compiler to gcc instead of ccache

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@10131 b7f1a160-662a-0410-a6d8-bea165342f16
Flexible: add patch tests

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@10132 b7f1a160-662a-0410-a6d8-bea165342f16
added OpenMP pragmas

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@10133 b7f1a160-662a-0410-a6d8-bea165342f16