--- a/Makefile	2020-04-15 12:55:07.000000000 +0000
+++ b/Makefile	2020-08-31 19:31:12.320000000 +0000
@@ -10,7 +10,7 @@
 # so take care if INSTALL_TOP is not an absolute path. See the local target.
 # You may want to make INSTALL_LMOD and INSTALL_CMOD consistent with
 # LUA_ROOT, LUA_LDIR, and LUA_CDIR in luaconf.h.
-INSTALL_TOP= /usr/local
+INSTALL_TOP?= 
 INSTALL_BIN= $(INSTALL_TOP)/bin
 INSTALL_INC= $(INSTALL_TOP)/include
 INSTALL_LIB= $(INSTALL_TOP)/lib
@@ -20,7 +20,7 @@
 
 # How to install. If your install program does not support "-p", then
 # you may have to run ranlib on the installed liblua.a.
-INSTALL= install -p
+INSTALL?= install -p
 INSTALL_EXEC= $(INSTALL) -m 0755
 INSTALL_DATA= $(INSTALL) -m 0644
 #
--- a/src/luaconf.h	2020-06-18 14:25:54.000000000 +0000
+++ b/src/luaconf.h	2020-08-31 19:35:08.660000000 +0000
@@ -227,7 +227,10 @@
 
 #else			/* }{ */
 
-#define LUA_ROOT	"/usr/local/"
+#if !defined(LUA_ROOT)
+#define LUA_ROOT	"/"
+#endif
+
 #define LUA_LDIR	LUA_ROOT "share/lua/" LUA_VDIR "/"
 #define LUA_CDIR	LUA_ROOT "lib/lua/" LUA_VDIR "/"
 
--- a/src/Makefile	2020-04-15 13:00:29.000000000 +0000
+++ b/src/Makefile	2020-10-23 18:41:54.130000000 +0000
@@ -16,12 +16,12 @@
 RM= rm -f
 UNAME= uname
 
-SYSCFLAGS=
-SYSLDFLAGS=
+#SYSCFLAGS=
+#SYSLDFLAGS=
 SYSLIBS=
 
-MYCFLAGS=
-MYLDFLAGS=
+#MYCFLAGS=
+#MYLDFLAGS=
 MYLIBS=
 MYOBJS=