Title: #5516: configure: ipaplatform falls back to ID_LIKE
The auto-detection code for IPAPLATFORM now falls back to ID_LIKE.
CentOS platform will now be treated as rhel-like, Ubuntu platforms as
Signed-off-by: Christian Heimes <cheimes(a)redhat.com>
To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/5516/head:pr5516
git checkout pr5516