--- a/src/compat/siphash/siphash.c	2023-05-12 15:21:03.029519429 +0300
+++ b/src/compat/siphash/siphash.c	2023-05-12 15:19:42.105522000 +0300
@@ -13,6 +13,10 @@
 #include <linux/siphash.h>
 #include <asm/unaligned.h>
 
+#if GCC_VERSION >= 70000
+#define fallthrough __attribute__((fallthrough))
+#endif
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)
 #ifdef __LITTLE_ENDIAN
 #define bytemask_from_count(cnt)	(~(~0ul << (cnt)*8))