The list of R packages that
Require installs from source on Linux, even if
getOptions("repos") is a binary repository. This list can be updated by
the user by modifying the options
Require.otherPkgs. Default "force source only packages" are visible with
sourcePkgs(additional = NULL, spatialPkgs = NULL, otherPkgs = NULL)
Any other packages to be added to the other 2 argument vectors
A character vector of package names that focus on spatial analyses.
A character vector of package names that often require system specific compilation.
A sorted concatenation of the 3 input parameters.