Just an update: gmsh build with USE="-blas" Denis
On Wed, Aug 31, 2011 at 01:14, denis cohen <denis.co...@gmail.com> wrote: > Following Michael Mol's advice I masked these in /etc/portage/package.mask: > >>=virtual/blas-2.0 >>=virtual/cblas-2.0 >>=virtual/lapack-3.1 >>=sci-libs/cblas-reference-20030223-r5 >>=sci-libs/lapack-reference-3.2.1 >>=sci-libs/gsl-1.14 > > and did an "emerge -uD world". > > All blocks were gone and after the emerge I got gsl working again. > I am also not sure what use is eselect-cblas since eselect blas works > without it. > > gmsh still won't emerge with these types of errors: > ... > [100%] Building CXX object > CMakeFiles/gmsh.dir/contrib/bamg/bamglib/Meshio.cpp.o > [100%] Building CXX object > CMakeFiles/gmsh.dir/contrib/bamg/bamglib/QuadTree.cpp.o > [100%] Building CXX object > CMakeFiles/gmsh.dir/contrib/bamg/bamglib/SetOfE4.cpp.o > Linking CXX executable gmsh > CMakeFiles/gmsh.dir/Numeric/fullMatrix.cpp.o: In function > `fullMatrix<double>::invertInPlace()': > fullMatrix.cpp:(.text+0xcc): undefined reference to `dgesv_' > CMakeFiles/gmsh.dir/Numeric/fullMatrix.cpp.o: In function > `fullMatrix<double>::gemm(fullMatrix<double> const&, > fullMatrix<double> const&, double, double)': > fullMatrix.cpp:(.text+0x1e9): undefined reference to `dgemm_' > CMakeFiles/gmsh.dir/Numeric/fullMatrix.cpp.o: In function > `fullVector<double>::axpy(fullVector<double> const&, double)': > fullMatrix.cpp:(.text+0x260): undefined reference to `daxpy_' > ... > > So making some progress. > > Denis > > > > On Wed, Aug 31, 2011 at 01:02, Alex Schuster <wo...@wonkology.org> wrote: >> denis cohen writes: >> >>> I've unmerged cblas* blas* gsl, synced, and "emerge -uDN world "also >>> without success (also tried cblas-external USE flag but could not see >>> it with eix). >> >> What's your problem with the world update? Adding --tree to the emerge >> command might show what pulls in what. I had to unmerge clapack and lapack- >> reference yesterday, but I cannot remember the details - it all started with >> digikam not building because some blas stuff was missing. But finally the >> @world update was possible. And both got re-installed. >> >>> eselect cblas also gave no results. >> >> Here it is set to the only option gsl. >> >>> One problem I may have is with eselect. eselect-cblas has been >>> unmerged but trying to re-emerge it gives this block. >> >> I get the very same blocker as you. eselect cblas is working, though. So is >> eselect-cblas being needed at all? >> >> Wonko >> >> >
