frantisek holop, 23 Dec 2014 23:55: > ok, i have found > > $ R CMD INSTALL --help
and there is also R CMD build and R CMD INSTALL i managed to install lpSolve: get the R package 'lpSolve_5.6.10.tar.gz', and extract. patch some files (remove sys/timeb.h) $ R CMD build lpSolve and install the resulting package R CMD INSTALL lpSolve_5.6.10.tar.gz hope this helps someone. -f -- to my embarrassment, i was born in bed with a lady!