>> Is there a straight-forward, cross-platform way of determining if a >> user has all the tools needed to develop R packages (i.e. gcc etc)? >> It doesn't need to be 100%, but should give a rough idea. One idea I >> had was simply to see if system("R CMD install --help") worked. >> > > That's not really checking pretty much anything (even if you used INSTALL ;)) > since all it does is to run R.
Well I guess it checks that you have your path set up right. But this is why I asked ;) > More reasonable quick check may be R CMD SHLIB, though, since that involves > both make and gcc: > > echo 'void foo(int *bar) { *bar=1; }' > foo.c && R CMD SHLIB foo.c > > And you could even check feasibility with something like > > dyn.load(paste("foo",.Platform$dynlib.ext,sep='')) > stopifnot(.C("foo",0L)[[1]] == 1L) Perfect - thanks! Hadley -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University http://had.co.nz/ ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel