--- Makefile.orig	2017-09-16 09:07:33.000000000 +1000
+++ Makefile	2019-05-21 07:53:17.000000000 +1000
@@ -12,7 +12,7 @@
 lib: src/lfs.so
 
 src/lfs.so: $(OBJS)
-	MACOSX_DEPLOYMENT_TARGET="10.3"; export MACOSX_DEPLOYMENT_TARGET; $(CC) $(LIB_OPTION) -o src/lfs.so $(OBJS)
+	MACOSX_DEPLOYMENT_TARGET=$(MACOSX_DEPLOYMENT_TARGET); export MACOSX_DEPLOYMENT_TARGET; $(CC) $(LIB_OPTION) -o src/lfs.so $(OBJS)
 
 test: lib
 	LUA_CPATH=./src/?.so lua tests/test.lua
--- config.orig	2019-05-21 07:52:19.000000000 +1000
+++ config	2019-05-21 07:54:28.000000000 +1000
@@ -21,4 +21,6 @@
 CFLAGS+= $(WARN) $(INCS)
 CC= gcc
 
+MACOSX_DEPLOYMENT_TARGET=@@MDT@@
+
 # $Id: config,v 1.21 2007/10/27 22:42:32 carregal Exp $