says: # To sanitize the environment, set PKGSRC_SETENV=${SETENV} -i. We'd like to enable this isolation by default. Steps:

  1. Do bulk builds with the existing defaults on a few platforms (e.g., NetBSD, macOS, Illumos, Linux)
  2. Rerun the bulk builds from scratch, this time with the desired infrastructure change
  3. Compare before and after to see which package builds break
  4. Fix them
  5. Enable the infrastructure change by default for all users