engine: document the engine app as deprecated

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12226)

diff --git a/doc/man1/openssl-engine.pod.in b/doc/man1/openssl-engine.pod.in
index c669213491725a3f7662035ed2a18d47921fc9bd..bcc31ebad1903cf63abe7a9948bc3afbd408f778 100644 (file)
--- a/doc/man1/openssl-engine.pod.in
+++ b/doc/man1/openssl-engine.pod.in
@@ -22,6 +22,8 @@ B<openssl engine>
 
 =head1 DESCRIPTION
 
+This command has been deprecated.  Providers should be used instead of engines.
+
 This command is used to query the status and capabilities
 of the specified I<engine>s.
 Engines may be specified before and after all other command-line flags.
@@ -114,6 +116,10 @@ The path to the engines directory.
 L<openssl(1)>,
 L<config(5)>
 
+=head1 HISTORY
+
+This command was deprecated in OpenSSL 3.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.