ENGINESDIR: document that this configuration is deprecated.
@@ -120,7 +120,8 @@ if available, or C<OPENSSLDIR: N/A> otherwise.
=item OPENSSL_ENGINES_DIR
The B<ENGINESDIR> setting of the library build in the form C<ENGINESDIR: "...">
-if available, or C<ENGINESDIR: N/A> otherwise.
+if available, or C<ENGINESDIR: N/A> otherwise. This option is deprecated in
+OpenSSL 3.0.
=item OPENSSL_MODULES_DIR
