Dependencies: vtd(cfitsio), petools(readline,atlas,X11) Libraries VTD and PETOOLS should be installed Under tcsh or csh, you 1) execute source your_install_directory/petools_vars 2) configure gvh with command ./configure --prefix=... --with-petools=... --with-vtd=... where ... should be replaced with appropriate directories where the packages were installed and where you want to install gvh. 3) make 4) make install