[Rd] Calling Rscript from Makevars
Simon Urbanek
simon.urbanek at r-project.org
Fri May 20 21:16:30 CEST 2011
On May 20, 2011, at 12:04 PM, Martyn Byng wrote:
> Hi,
>
> I am trying to package some code to use with R and wanted to call
> Rscript from within the Makevars file (I am trying to automate the
> setting of the location of a third party library depending on what is
> available / the system the package is being installed on).
>
> If I just have a simple Makevars containing
>
>
> PKG_LIBS= -lnag_nag -L/fserver/nagprod/FL22/fll6a22df/lib
>
>
> the package is built without any errors, if I attempt to add a call to
> Rscript, for example (which I think is the way that "Writing R
> Extensions" recommends):
>
>
> R_SCRIPT_NAME=Rscript
> ifneq ($(R_HOME),)
> R_SCRIPT=$(R_HOME)/bin$(R_ARCH_BIN)/$(R_SCRIPT_NAME)
> else
> R_SCRIPT=$(R_SCRIPT_NAME)
> endif
> R_ARCH=$(shell $(R_SCRIPT) -e 'cat(R.version$$arch)')
>
That's all pretty much unnecessary since all settings carry over from the R invocation and also it is what causes your error (since your "arch" is wrong). On unix it's as simple as
PKG_LIBS=`${R_HOME}/bin/Rscript -e 'whatever.you.meant.to.run()'`
and on Windows it's
PKG_LIBS=`${R_HOME}/bin${R_ARCH_BIN}/Rscript.exe -e 'whatever.you.meant.to.run()'`
Note that you should NOT mess with the environment variables that R uses as you're likely to set them incorrectly.
Cheers,
Simon
> PKG_LIBS= -lnag_nag -L/fserver/nagprod/FL22/fll6a22df/lib
>
>
> I get the following error:
>
> * checking for file 'NAGFWrappers/DESCRIPTION' ... OK
> * preparing 'NAGFWrappers':
> * checking DESCRIPTION meta-information ... OK
> * cleaning src
> make: Nothing to be done for `clean'.
> * removing junk files
> * checking for LF line-endings in source and make files
> * checking for empty or unneeded directories
> * building binary distribution
> * installing *source* package 'NAGFWrappers' ...
> ** libs
> /usr/share/R/make/shlib.mk:3: /usr/lib64/R/etcx86_64/Makeconf: No such
> file or directory
> make: *** No rule to make target `/usr/lib64/R/etcx86_64/Makeconf'.
> Stop.
> ERROR: compilation failed for package 'NAGFWrappers'
> * removing '/tmp/Rinst1513764321/NAGFWrappers'
> ERROR
> * installation failed
>
>
> Any help / pointers would be appreciated.
>
> Cheers
>
> Martyn
>
> Output from R.version:
>
> platform x86_64-redhat-linux-gnu
> arch x86_64
> os linux-gnu
> system x86_64, linux-gnu
> status
> major 2
> minor 11.0
> year 2010
> month 04
> day 22
> svn rev 51801
> language R
> version.string R version 2.11.0 (2010-04-22)
>
>
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