Conditionally compile XMSS code.

The XMSS code is currently experimental and, unlike the rest of OpenSSH
cannot currently be compiled with a c89 compiler.

1 files changed, 2 insertions, 0 deletions

diff --git a/xmss_hash_address.c b/xmss_hash_address.c
index 0ff4fdb5a..b970619e5 100644
--- a/xmss_hash_address.c
+++ b/xmss_hash_address.c
@@ -1,3 +1,4 @@
+#ifdef WITH_XMSS
 /*
 hash_address.c version 20160722
 Andreas Hülsing
@@ -61,3 +62,4 @@ void setTreeHeight(uint32_t adrs[8], uint32_t treeHeight){
 void setTreeIndex(uint32_t adrs[8], uint32_t treeIndex){
   adrs[6] = treeIndex;
 }
+#endif /* WITH_XMSS */