library(devtools)
Warning message:
package ‘usethis’ was built under R version 3.4.4
build_github_devtools()
Error in build_github_devtools() :
could not find function "build_github_devtools"
Linux: Install a compiler and various development libraries (details vary across different flavors of Linux).
Install the development version of devtools.
devtools::install_github("hadley/devtools")
Here is the devtools CRAN page:
And the devtools github page:
But! Note that devtools has recently moved to the r-lib Github Organization, so the github links in the CRAN README are actually out of date. The latest instructions from the development version README:
If your question's been answered, would you mind choosing a solution? It helps other people see which questions still need help, or find solutions if they have similar problems. Here’s how to do it: