Hi, On Wed, 21 Aug 2013 20:02:02 +0800 P Purkayastha <[email protected]> wrote:
> I need to have a personal installation of Sage to do development > work. However, I also want to reduce my upgrade times by installing a > system atlas. > > To do so, I added the science overlay and emerged > sci-libs/atlas[lapack,fortran,threads]. Thereafter, I added the > environment variable > > SAGE_ATLAS_LIB=/usr/lib > > and proceeded to compile sage in my home directory. Atlas fails with > the error that it can not find liblapack. The exact error message is > given below: > > Cannot find liblapack.* in /usr/lib > Unable to find one of liblapack, libcblas, libatlas or libf77blas > in the directory None > Set SAGE_ATLAS_LIB to the directory containing liblapack, libcblas, > libatlas and libf77blas (either .a, .so, .dylib extensions) if > you wish to use existing ATLAS libraries. For more details, see > http://sagemath.org/doc/installation/source.html#environment-variables > Unset SAGE_ATLAS_LIB to build ATLAS from source. if you make Sage believe that the atlas package was installed properly, the installation proceeds without trouble. So as a quick workaround, just do touch spkg/installed/atlas-<version_number> I always do this on my system. It would be good to find out the proper solution of course. :) Cheers, Burcin
