[R] Summary on Usage of R CMD INSTALL

[David Kane <David Kane]

Thanks to Tim Hoar and Kurt Hornik for taking the time to answer my question
about the usage of R CMD INSTALL. Tim suggested:

> R CMD INSTALL --configure-args=--with-netCDF=/opt/local/netcdf-3.5.0 netCDF

> no quotes at all, no spaces ...

Kurt wrote:

> R CMD INSTALL --configure-vars='LIBS=-L/mylibs' mypackage

Alas, I am not smart enough to know whether there is a contradiction between
these two suggestions. My goal was to install the RODBC library in a situation
in which we have libraries and other things in non-standard places.  In the
end, a system-savy friend succeeded in this. He reports:

> The problem was that the the shell script wrapping called by 
> R CMD INSTALL called "SHLIB" was not allowing environment variables
> set in the executing shell to be used in the "${MAKE}" call. The fix 
> was to temporarily change the call in SHLIB to "${MAKE} -e" to force it 
> use the external environment variables. RODBC is a package that needs
> several external variables to be set and the --configure-vars or
> --configure-args options seem to be ineffective in trying to set
> this library up.

> Perhaps there is an easier way to get it done via some combination of 
> --configure-args and/or --configure-vars that someone has found to 
> work with RODBC. I have tried many different combinations but cannot
> say that I've tried all combinations.

> Anyway, the above remedy works and it installs RODBC into R.

Again, I don't know if this work-around is an indication of problems with 1) my
understanding of R CMD INSTALL and/or RODBC and/or UNIX; 2) R CMD INSTALL or 3)
RODBC. I certainly agree with Kurt's suggestions that there should be more
documentation/pointers on these issues. I offer the above in the hope that
someone benefits from it.

Thanks to all,

Dave Kane
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