depends python3 &&
optional_depends SSL \
		 --{enable,disable}-ssl \
		 'for SSL support' &&
optional_depends libbpf \
		 --{enable,disable}-afxdp \
		 'for XDP support' &&
optional_depends libcap-ng \
		 --{enable,disable}-libcapng \
		 'for Linux capabilities support' &&
optional_depends python-sphinx \
                 '' SPHINXBUILD=none \
                 'to build API documentation'
