From 110ce660d58c6c7bc07b83da513aa0ef30400ec7 Mon Sep 17 00:00:00 2001
From: Kim Alvefur <zash@zash.se>
Date: Sat, 15 Sep 2018 01:17:53 +0200
Subject: util.poll: Lua 5.1 compat

---
 util-src/poll.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/util-src/poll.c b/util-src/poll.c
index e80850d2..c0a93b04 100644
--- a/util-src/poll.c
+++ b/util-src/poll.c
@@ -34,6 +34,10 @@
 #define STATE_MT "util.poll.select"
 #endif
 
+#if (LUA_VERSION_NUM == 501)
+#define luaL_setmetatable(L, tname) luaL_getmetatable(L, tname); lua_setmetatable(L, -2)
+#endif
+
 /*
  * Structure to keep state for each type of API
  */
@@ -380,7 +384,9 @@ int Lnew(lua_State *L) {
  * Open library
  */
 int luaopen_util_poll(lua_State *L) {
+#if (LUA_VERSION_NUM > 501)
 	luaL_checkversion(L);
+#endif
 
 	luaL_newmetatable(L, STATE_MT);
 	{
-- 
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