depends smgl-fhs && optional_depends GETTEXT \ '--enable-nls' \ '--disable-nls' \ 'for Native Language Support' && optional_depends libsigsegv \ '' \ '' \ 'for page fault handling support' && optional_depends mpfr \ '--enable-mpfr' \ '--disable-mpfr' \ 'for multiple precision floating point support' && if is_depends_enabled $SPELL mpfr; then depends gmp fi && optional_depends readline \ '--with-readline' \ '--without-readline' \ 'for readline support'