depends redland  &&
depends PKG-CONFIG &&
optional_depends  perl              \
                  "--with-perl"     \
                  "--without-perl"  \
                  "for Perl API"    &&

optional_depends  python            \
                  "--with-python"   \
                  "--without-python"\
                  "for Python API"  &&

optional_depends  RUBY              \
                  "--with-ruby"     \
                  "--without-ruby"  \
                  "for Ruby API"
