depends make &&
depends libtool &&

if [[ $LDNS_OPENSSL == "1.0" ]]; then
  depends -sub "1.0" openssl &&

  config_query_option LDNS_OPTS "Enable GOST support?" y \
                                "--enable-gost" \
                                "--disable-gost"
elif [[ $LDNS_OPENSSL == "0.9" ]]; then
  depends openssl '--disable-gost'
else
  depends libressl '--disable-gost'
fi &&

optional_depends -sub PYTHON swig \
                             "--with-pyldns" \
                             "--without-pyldns" \
                             "to generate Python library" &&

if is_depends_enabled $SPELL swig; then
  config_query_option LDNS_OPTS "Install ldnsx Python module?" y \
                                "--with-pyldnsx" \
                                "--without-pyldnsx"
fi &&

optional_depends perl \
                 "--with-p5-dns-ldns" \
                 "--without-p5-dns-ldns" \
                 "to generate DNS::LDNS Perl bindings"

.