Add --with-tls-impl to options2configure.rst

Document the --with-tls-impl configure option added in commit
788e70c7c77b0c1f4a79e3f1b6c96a0cf99e0327.

[ghudson@mit.edu: revised documentation text and commit message]

diff --git a/doc/build/options2configure.rst b/doc/build/options2configure.rst
index 98e02ba3e96e94dd9fd571184646d58113266395..10ade27f922a52d58777bbc7c7e23b8e4f8d23c5 100644 (file)
--- a/doc/build/options2configure.rst
+++ b/doc/build/options2configure.rst
@@ -343,6 +343,12 @@ Optional packages
     implemented crypto backend is ``openssl``.  (See
     :ref:`mitK5features`)
 
+**-**\ **-with-tls-impl=**\ *IMPL*
+    Use specified TLS implementation (e.g., **-**\
+    **-with-tls-impl=**\ *openssl*) or ``no`` to build without TLS
+    support.  The default is ``auto``, which uses OpenSSL if available
+    and builds without TLS support otherwise.
+
 **-**\ **-without-libedit**
     Do not compile and link against libedit.  Some utilities will no
     longer offer command history or completion in interactive mode if