Please set SWARMHOME to %%PREFIX%% while using this package. ex: in tcsh: setenv SWARMHOME %%PREFIX%% in bash: export SWARMHOME=%%PREFIX%% and use gmake to build swarm examples. Swarm examples can be found at: ftp://ftp.swarm.org/pub/swarm/apps/objc/sdg/swarmapps-2.1.1.tar.gz ( Objective-C examples ) and ftp://ftp.swarm.org/pub/swarm/apps/java/sdg/jheatbugs-2.1.tar.gz ( java example )