NTLM requires windows or OpenSSL. If you build with GnuTLS for example you
do not get NTLM support enabled.
diff --git a/docs/libcurl/curl_easy_setopt.3 b/docs/libcurl/curl_easy_setopt.3
index 565527f..8185029 100644
--- a/docs/libcurl/curl_easy_setopt.3
+++ b/docs/libcurl/curl_easy_setopt.3
@@ -461,7 +461,8 @@
Microsoft. It uses a challenge-response and hash concept similar to Digest, to
prevent the password from being eavesdropped.
-You need to build libcurl with SSL support for this option to work.
+You need to build libcurl with OpenSSL support for this option to work, or
+build libcurl on Windows.
.IP CURLAUTH_ANY
This is a convenience macro that sets all bits and thus makes libcurl pick any
it finds suitable. libcurl will automatically select the one it finds most
