---
 src/openvpn/init.c      | 2 +-
 src/openvpn/mtcp.c      | 2 ++
 src/openvpn/packet_id.c | 2 ++
 src/openvpn/reliable.c  | 2 ++
 4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/openvpn/init.c b/src/openvpn/init.c
index b0c62a85..f06afc29 100644
--- a/src/openvpn/init.c
+++ b/src/openvpn/init.c
@@ -2491,7 +2491,7 @@ frame_finalize_options(struct context *c, const struct 
options *o)
     size_t tailroom = headroom;
 
 #ifdef USE_COMP
-    msg(D_MTU_DEBUG, "MTU: adding %lu buffer tailroom for compression for %lu "
+    msg(D_MTU_DEBUG, "MTU: adding %zu buffer tailroom for compression for %zu "
         "bytes of payload",
         COMP_EXTRA_BUFFER(payload_size), payload_size);
     tailroom += COMP_EXTRA_BUFFER(payload_size);
diff --git a/src/openvpn/mtcp.c b/src/openvpn/mtcp.c
index b725bebb..b3c153fe 100644
--- a/src/openvpn/mtcp.c
+++ b/src/openvpn/mtcp.c
@@ -72,6 +72,7 @@ struct ta_iow_flags
     unsigned int sock;
 };
 
+#ifdef ENABLE_DEBUG
 static const char *
 pract(int action)
 {
@@ -114,6 +115,7 @@ pract(int action)
             return "?";
     }
 }
+#endif /* ENABLE_DEBUG */
 
 static struct multi_instance *
 multi_create_instance_tcp(struct multi_context *m)
diff --git a/src/openvpn/packet_id.c b/src/openvpn/packet_id.c
index e357909d..851b506c 100644
--- a/src/openvpn/packet_id.c
+++ b/src/openvpn/packet_id.c
@@ -53,11 +53,13 @@
 #define SEQ_UNSEEN  ((time_t)0)
 #define SEQ_EXPIRED ((time_t)1)
 
+#ifdef ENABLE_DEBUG
 static void packet_id_debug_print(int msglevel,
                                   const struct packet_id_rec *p,
                                   const struct packet_id_net *pin,
                                   const char *message,
                                   int value);
+#endif /* ENABLE_DEBUG */
 
 static inline void
 packet_id_debug(int msglevel,
diff --git a/src/openvpn/reliable.c b/src/openvpn/reliable.c
index 37244435..73473625 100644
--- a/src/openvpn/reliable.c
+++ b/src/openvpn/reliable.c
@@ -394,6 +394,7 @@ reliable_send_purge(struct reliable *rel, const struct 
reliable_ack *ack)
     }
 }
 
+#ifdef ENABLE_DEBUG
 /* print the current sequence of active packet IDs */
 static const char *
 reliable_print_ids(const struct reliable *rel, struct gc_arena *gc)
@@ -412,6 +413,7 @@ reliable_print_ids(const struct reliable *rel, struct 
gc_arena *gc)
     }
     return BSTR(&out);
 }
+#endif /* ENABLE_DEBUG */
 
 /* true if at least one free buffer available */
 bool
-- 
2.34.1



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