Convert egrep to grep -E to avoid warnings and to prepare for possible removal.
Description
Description
Event Timeline
Comment Actions
Removing egrep from a Unix system will break all kind of stuff. I am not even sure whether old Unices support grep -E.
Comment Actions
From autoconf, we can see: https://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.73/html_node/Limitations-of-Usual-Tools.html#index-egrep
Since those scripts are for maintainers, it is better not to change, I suppose.