Index: src/Makefile
--- src/Makefile.orig	2015-01-05 17:04:52.000000000 +0100
+++ src/Makefile	2015-01-12 19:28:40.847077580 +0100
@@ -7,7 +7,7 @@
 PLAT= none
 
 CC= gcc -std=gnu99
-CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_5_2 $(SYSCFLAGS) $(MYCFLAGS)
+CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_5_1 -DLUA_COMPAT_5_2 $(SYSCFLAGS) $(MYCFLAGS)
 LDFLAGS= $(SYSLDFLAGS) $(MYLDFLAGS)
 LIBS= -lm $(SYSLIBS) $(MYLIBS)
 
@@ -19,10 +19,10 @@
 SYSLDFLAGS=
 SYSLIBS=
 
-MYCFLAGS=
-MYLDFLAGS=
-MYLIBS=
-MYOBJS=
+MYCFLAGS?=
+MYLDFLAGS?=
+MYLIBS?=
+MYOBJS?=
 
 # == END OF USER SETTINGS -- NO NEED TO CHANGE ANYTHING BELOW THIS LINE =======
 
Index: src/luaconf.h
--- src/luaconf.h.orig	2014-12-29 14:27:55.000000000 +0100
+++ src/luaconf.h	2015-01-12 19:27:19.376405958 +0100
@@ -61,7 +61,6 @@
 #if defined(LUA_USE_LINUX)
 #define LUA_USE_POSIX
 #define LUA_USE_DLOPEN		/* needs an extra library: -ldl */
-#define LUA_USE_READLINE	/* needs some extra libraries */
 #endif