% grep curses-terminfo *.ebuild
zsh-4.2.5.ebuild: $(use_with ncurses curses-terminfo) \
zsh-4.2.6-r1.ebuild: $(use_with ncurses curses-terminfo) \
zsh-4.3.2-r2.ebuild: $(use_with ncurses curses-terminfo) \
zsh-4.3.4.ebuild: --enable-curses-terminfo \
--with-curses-terminfo was incorrectly made into --enable-curses-terminfo in
version 4.3.4, although the configure script has not changed in that regard. as
a result, -ltermcap instead of -ncurses is linked against (which is probably
only an issue in prefix but still not intended)