clean: make clean build: make built for Ubuntu 11.04: build requires: lesstif2-dev libxpm-dev libxt-dev libxp-dev run requires: lesstif2 build for RHEL 5u6 / SL 6.2 No lesstif2 to build: yum install openmotif-devel libXpm-devel libXt-devel libXp-devel to run: openmotif