patch 8.2.3748: giving an error for an empty sign argument breaks a plugin Commit: https://github.com/vim/vim/commit/e5710a02cb78c2a0a868ea55740835c78ddecbb4 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Dec 5 19:10:04 2021 +0000 patch 8.2.3748: giving an error for an empty sign argument breaks a plugin Problem: Giving an error for an empty sign argument breaks a plugin. Solution: Do not give an error.

/^CFLAGS[[:blank:]]*=/s/$/ -Wno-error=missing-field-initializers/
/^RUBY_CFLAGS[[:blank:]]*=/s/$/ -Wno-error=unknown-attributes -Wno-error=ignored-attributes/