depends -sub CXX gcc    &&
depends opensp &&
depends libtool &&
depends pkgconfig &&

optional_depends doxygen \
                 "--enable-doxygen" \
                 "--disable-doxygen" \
                 "to build documentation" &&

optional_depends curl \
                 "--with-libcurl" \
                 "--without-libcurl" \
                 "to build ofxconnect examples (${MESSAGE_COLOR}also requires libxml++${DEFAULT_COLOR})" &&

if is_depends_enabled $SPELL curl; then
  depends libxml++
fi

.