* define $QUACK_ROOT  
* ninja
* opam
 opam install ocamlc dune lacaml getopt zarith gmp alcotest 
* cmake
* wget
* autoconf
* automake
* blas 
* lapack
* gfortran
* python3
* libtool

- problems with libxc install
- make clean in $QUACK_ROOT does not work