set_makevars: Create a new 'Makevars' file, by adding new variables

In withr: Run Code 'With' Temporarily Modified Global State

Create a new Makevars file, by adding new variables

Description

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.

withr documentation built on Oct. 28, 2024, 5:07 p.m.