Create a new Makevars file, by adding new variables — set_makevars • withr

You probably want with_makevars() instead of this function.

Usage

set_makevars(
  variables,
  old_path = makevars_user(),
  new_path = tempfile(),
  assignment = c("=", ":=", "?=", "+=")
)

Arguments

variables: [named character]
new variables and their values
old_path: [character(1)]
location of existing Makevars file to modify.
new_path: [character(1)]
location of the new Makevars file
assignment: [character(1)]
assignment type to use.

Details

Unlike with_makevars(), it does not activate the new Makevars file, i.e. it does not set the R_MAKEVARS_USER environment variable.