patch 8.0.1156: trouble from removing one -W argument from Perl CFLAGS commit https://github.com/vim/vim/commit/1ec96c926974208bd47710384c8202c47d0752d0 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 27 21:42:08 2017 +0200 patch 8.0.1156: trouble from removing one -W argument from Perl CFLAGS Problem: Removing one -W argument from Perl CFLAGS may cause trouble. Solution: Remove all -W flags. (Christian Brabandt)