Hi, currently in GRASS 6 PGM variable must be set including python file extension, in GRASS 7 not, e.g. PGM=v.krige.py in GRASS6 PGM=v.krige in GRASS7 Would be possible to change building system in GRASS 6 to unify it with GRASS 7. Thanks in advance, Martin -- Martin Landa <landa.martin gmail.com> * http://gama.fsv.cvut.cz/~landa