--with-curses-terminfo is deprecated in favour of --with-term-lib="..." using --with-term-lib="ncursesw ncurses" will first check for ncursesw (unicode) then ncurses. No need to dump the revision as the change doesn't affect the binaries. Reproducible: Always
Created attachment 142828 [details, diff] the patch
Thanks. Fixed in 4.3.6. I hesitate to add another boring check like | if use unicode && ! built_with_use sys-libs/ncurses unicode ; then