[DFTB-Plus-User] error while compiling dftb+

Bálint Aradi balint.aradi at bccms.uni-bremen.de
Wed Jan 23 13:25:51 CET 2013

Dear Bedamani,
> I am trying to install dftb+ with x86_64-linux-gfortran.
> But the compilation ends up with an error like " /usr/bin/ld: cannot
> find -lf77blas
> collect2: ld returned 1 exit status." LAPACK, BLAS, PYTHON are already
> present in the system

The makefile for x86_64-linux-gfortran is set up to use the ATLAS
library as BLAS/LAPACK replacement as this should be considerably faster
than the legacy versions. However, by setting

LIB_BLAS = -lblas

in makefile.x86_64-linux-gfortran, you can advice the make system to
look for the libblas.a instead of the various ATLAS components.

Best regards,


Dr. Bálint Aradi
Bremen Center for Computational Materials Science, University of Bremen

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