This probably means you do not have Rtools installed, see here :
http://www.murdoch-sutherland.com/Rtools/installer.html greetings, Remko -- View this message in context: http://r.789695.n4.nabble.com/can-not-built-a-package-tp3023089p3023170.html Sent from the R devel mailing list archive at Nabble.com. ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel