(this should have been posted to R-package-devel, not R-devel)

Am 20.10.21 um 00:17 schrieb John Maindonald via R-devel:
Setting
Sys,setenv('_R_CHECK_DEPENDS_ONLY_'=‘true’)
or Sys,setenv('_R_CHECK_DEPENDS_ONLY_’=TRUE)

(either appear to be acceptable) appears to have no effect when I do, e.g.

If you set the environment variable inside a running R process, it will only affect that process and child processes, but not an independent R process launched from a shell like you seem to be doing here:


$R CMD check qra_0.2.4.tar.gz
* using log directory ‘/Users/johnm1/pkgs/qra.Rcheck’
* using R version 4.1.1 (2021-08-10)
* using platform: x86_64-apple-darwin17.0 (64-bit)
* using session charset: UTF-8
. . .

(This should have failed.)

How to set environment variables is system-specific. On a Unix-like system, you could use the command

_R_CHECK_DEPENDS_ONLY_=true  R CMD check qra_0.2.4.tar.gz

to set the environment variable for this R process.
See, e.g., https://en.wikipedia.org/wiki/Environment_variable.

Best regards,

        Sebastian Meyer



I’d have expected that the "On most systems . . .” mentioned in the Writing R 
extensions
manual (1.1.3.1 Suggested packages) would include my setup.

Any insight on what I am missing will be welcome.

John Maindonald             email: john.maindon...@anu.edu.au




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