patch 9.0.1544: recent glibc marks sigset() as a deprecated Commit: https://github.com/vim/vim/commit/378447fc183b589039a5bf257923a86d439b0a91 Author: ichizok <gclient.gaap@gmail.com> Date: Thu May 11 22:25:42 2023 +0100 patch 9.0.1544: recent glibc marks sigset() as a deprecated Problem: Recent glibc marks sigset() as a deprecated. Solution: Use sigaction() in mch_signal() if possible. (Ozaki Kiichi, closes #12373)

# Clang 12 (or Apple clang 13) and later makes a warning '-Wcompound-token-split-by-macro' enable by default.
/^PERL_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/
/^RUBY_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/