upstream: Make zlib optional. This adds a "ZLIB" build time option

that allows building without zlib compression and associated options.  With
feedback from markus@, ok djm@

OpenBSD-Commit-ID: 44c6e1133a90fd15a3aa865bdedc53bab28b7910

1 files changed, 8 insertions, 1 deletions

diff --git a/servconf.c b/servconf.c
index 1a4c49907..1e0718139 100644
--- a/servconf.c
+++ b/servconf.c
@@ -1,5 +1,5 @@
 
-/* $OpenBSD: servconf.c,v 1.358 2020/01/23 02:46:49 dtucker Exp $ */
+/* $OpenBSD: servconf.c,v 1.359 2020/01/23 10:24:29 dtucker Exp $ */
 /*
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
  *                    All rights reserved
@@ -384,7 +384,12 @@ fill_default_server_options(ServerOptions *options)
                 options->permit_user_env_whitelist = NULL;
         }
         if (options->compression == -1)
+#ifdef WITH_ZLIB
                 options->compression = COMP_DELAYED;
+#else
+                options->compression = COMP_NONE;
+#endif
+
         if (options->rekey_limit == -1)
                 options->rekey_limit = 0;
         if (options->rekey_interval == -1)
@@ -1213,8 +1218,10 @@ static const struct multistate multistate_permitrootlogin[] = {
         { NULL, -1 }
 };
 static const struct multistate multistate_compression[] = {
+#ifdef WITH_ZLIB
         { "yes",                        COMP_DELAYED },
         { "delayed",                    COMP_DELAYED },
+#endif
         { "no",                         COMP_NONE },
         { NULL, -1 }
 };