diff --git a/compiler/cheaders.v b/compiler/cheaders.v
index 80a4c81e3b..83b4973a42 100644
--- a/compiler/cheaders.v
+++ b/compiler/cheaders.v
@@ -123,6 +123,11 @@ typedef map map_string;
 #define _IN(typ, val, arr) array_##typ##_contains(arr, val)
 #define _IN_MAP(val, m) map__exists(m, val)
 #define DEFAULT_EQUAL(a, b) (a == b)
+#define DEFAULT_NOT_EQUAL(a, b) (a != b)
+#define DEFAULT_LT(a, b) (a < b)
+#define DEFAULT_LE(a, b) (a <= b)
+#define DEFAULT_GT(a, b) (a > b)
+#define DEFAULT_GE(a, b) (a >= b)
 //================================== GLOBALS =================================*/
 byteptr g_str_buf;
 int load_so(byteptr);