patch 8.2.5059: autoconf 2.71 produces many obsolete warnings Commit: https://github.com/vim/vim/commit/1004b3d970f19964816eedf89d3ba7aa9416ed24 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 5 19:51:55 2022 +0100 patch 8.2.5059: autoconf 2.71 produces many obsolete warnings Problem: Autoconf 2.71 produces many obsolete warnings. Solution: Replace obsolete macros with non-obsolete ones, where the functionality does not change. (issue #10528)