depends gmp          &&
depends libgcrypt    &&
depends libextractor &&
depends sqlite       &&
optional_depends  "gtk+"              \
                  ""                  \
                  "--without-gtk"     \
                  "Would you like to use a GTK+ GUI?" &&
optional_depends  "gettext"              \
                  ""                     \
                  "--without-gettext"    \
                  "Would you like to use gettext?"
