[R-pkg-devel] Fwd: Subarchitectures

Le 09/02/2021 ? 17:01, Duncan Murdoch a ?crit?:
I think the WRE manual says that an R_ARCH environment variable will 
be set when subarchitectures are involved, but environment variables 
aren't accessible in Makevars.

Is there a standard way to get a value in Makevars which will match 
.Platform$r_arch once R is running?
If sub-shell is possible, will it be convenient?

 ? myvar=`R --slave --vanilla -e 'cat(.Platform$r_arch)'`

Best,
Serguei.
Duncan Murdoch

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Le 09/02/2021 ? 17:01, Duncan Murdoch a ?crit?:
I think the WRE manual says that an R_ARCH environment variable will
be set when subarchitectures are involved, but environment variables
aren't accessible in Makevars.

Is there a standard way to get a value in Makevars which will match
.Platform$r_arch once R is running?
If sub-shell is possible, will it be convenient?

  ? myvar=`R --slave --vanilla -e 'cat(.Platform$r_arch)'`
Something like that should work, but I'd have to make sure the R that it 
runs is the same one where the package is being installed.  And if I can 
do that, then I probably know the answer, don't I?

Duncan Murdoch