[Fix] Support building hs_cache_backend without Hyperscan

diff --git a/src/libserver/hs_cache_backend.c b/src/libserver/hs_cache_backend.c
index aeb5195a9e38f6978df27d7bb2e109346633dc8d..576d3da3f736ef094ae8e37b8eaf34c1c465c335 100644 (file)
--- a/src/libserver/hs_cache_backend.c
+++ b/src/libserver/hs_cache_backend.c
@@ -23,6 +23,11 @@
 #include "libserver/redis_pool.h"
 #ifdef WITH_HYPERSCAN
 #include "libserver/hyperscan_tools.h"
+#else
+/* Fallback when hyperscan is not available */
+#define msg_debug_hyperscan(...) \
+       do {                         \
+       } while (0)
 #endif
 
 static struct rspamd_hs_cache_backend *global_hs_cache_backend = NULL;