True color takes 6 bytes per character, which is a big waste.
256 color takes 2 bytes per character, and there is no visible difference.
%bcond_without lua # Disable Lua scripting
%bcond_without openssl # Disable OpenSSL support
%bcond_without perl # Disable Perl scripting
+%bcond_without truecolor # Disable true color
%bcond_with olderisbetter # variuos pre-0.10.0 behaviour rules (typeahead and esc-esc)
%if %{with gnutls}
--enable-nntp \
--enable-88-colors \
%{?with_256:--enable-256-colors} \
- --enable-true-color \
+ %{?with_truecolor:--enable-true-color} \
--enable-exmode \
%{?with_fsp:--enable-fsp} \
%{?with_leds:--enable-leds} \