On Wednesday 10 of February 2016 16:57:51 Ingo Brückl wrote: > Unescaped left brace in regex is deprecated and causes a warning. > It will become an error in a later perl release.
I believe this is for Perl 5.22, not 5.17: https://lists.gnu.org/archive/html/automake-patches/2015-07/msg00000.html Pavel