From f6a88e1ee6d62dc447a8d8b1d77d63f1ab9b5ade Mon Sep 17 00:00:00 2001
From: ubq323 <ubq323@ubq323.website>
Date: Sun, 19 Mar 2023 20:39:32 +0000
Subject: add support for lua 5.1

uses a weak-keyed table in the registry to store parent-child mappings,
instead of associated uservalues, which were only added in 5.2.
---
 Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 4b4860a..21d3629 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,11 @@
 LUA_VER=5.3
 CC = cc
 LD = ld
-CFLAGS = -std=c99 -Wall -O2 -fPIC -I/usr/include/lua$(LUA_VER)
+MORE_CFLAGS=
+ifeq ($(LUA_VER),5.1)
+	MORE_CFLAGS=-DLUA_5_1
+endif
+CFLAGS = $(MORE_CFLAGS) -std=c99 -Wall -O2 -fPIC -I/usr/include/lua$(LUA_VER)
 LFLAGS = -shared -llmdb
 
 lmdb.so: lmdb.o
-- 
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