try ROOTSYS if root-config is not found
try ROOTSYS if root-config is not found

ibab/root_numpy,ndawe/root_numpy,ndawe/root_numpy,ndawe/root_numpy,rootpy/root_numpy,scikit-hep/root_numpy,scikit-hep/root_numpy,scikit-hep/root_numpy,rootpy/root_numpy,rootpy/root_numpy,ibab/root_numpy,scikit-hep/root_numpy,ibab/root_numpy,ibab/root_numpy,ndawe/root_numpy,rootpy/root_numpy