make_normal                                       &&
default_install                                   &&
## install configuration files. ##
install_config_file  $SCRIPT_DIRECTORY/zshenv     \
                     $INSTALL_ROOT/etc/zshenv     &&
install_config_file  $SCRIPT_DIRECTORY/zshrc      \
                     $INSTALL_ROOT/etc/zshrc      &&
install_config_file  $SCRIPT_DIRECTORY/zprofile   \
                     $INSTALL_ROOT/etc/zprofile
