Added definition for LUA_VERSION_RELEASE_NUM

LUA_VERSION_RELEASE_NUM is set to the release number of the Lua
interpreter (e.g., 5.4.0 becomes the integer 50400).

1 files changed, 3 insertions, 1 deletions

diff --git a/lua.h b/lua.h
index 12d9e2ec..03d92c0b 100644
--- a/lua.h
+++ b/lua.h
@@ -18,9 +18,11 @@
 
 #define LUA_VERSION_MAJOR       "5"
 #define LUA_VERSION_MINOR       "4"
-#define LUA_VERSION_NUM         504
 #define LUA_VERSION_RELEASE     "0"
 
+#define LUA_VERSION_NUM                 504
+#define LUA_VERSION_RELEASE_NUM         (LUA_VERSION_NUM * 100 + 0)
+
 #define LUA_VERSION     "Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
 #define LUA_RELEASE     LUA_VERSION "." LUA_VERSION_RELEASE
 #define LUA_COPYRIGHT   LUA_RELEASE "  Copyright (C) 1994-2018 Lua.org, PUC-Rio"