What to do if compilation of HLib fails¶

If the compilation of HLib fails with the error:

...
...
checking for BLAS in VecLib... no
checking for g77 BLAS... no
checking for g77 BLAS with pthread... no
checking for gfortran BLAS... no
configure: error: Cannot find BLAS
make[1]: *** [.deps_hlib_configure] Error 1
make[1]: Leaving directory `/home/guru/Downloads/nmag-0.1'
make: ***
[nsim/interface/extra/lib/libhmatrix-1.3.so<http://libhmatrix-1.3.so><http://libhmatrix-1.3.so>]
Error 2

Try to install liblas-dev, libgfortran and gfortran.