configuration for siesta on TACC

BLAS_LIBS=-lblas
LAPACK_LIBS=-llapack
BLACS_LIBS=
SCALAPACK_LIBS= \
$(TACC_SCALAPACK_LIB)/libscalapack.a \
$(TACC_SCALAPACK_LIB)/blacsF77init_MPI-LINUX-0.a \
$(TACC_SCALAPACK_LIB)/blacs_MPI-LINUX-0.a \
$(TACC_SCALAPACK_LIB)/blacsF77init_MPI-LINUX-0.a