src/build_info.c.in

ENABLE_DIGEST  digest
ENABLE_IPV6    ipv6
ENABLE_NLS     nls
ENABLE_NTLM    ntlm
ENABLE_OPIE    opie
HAVE_MD5
HAVE_SSL       https
HAVE_LIBGNUTLS gnutls
HAVE_LIBSSL    openssl
ENABLE_IRI     iri

#ifdef HAVE_MD5
#ifdef HAVE_BUILTIN_MD5
  "+md5/builtin",
#elif HAVE_OPENSSL_MD5
  "+md5/openssl",
#elif HAVE_SOLARIS_MD5
  "+md5/solaris",
#else
#error "md5 set, but no library found!",
#endif
#else
  "-md5",
#endif