diff -ruNp lua-5.1.5/Makefile lua-5.1.5.new/Makefile
--- lua-5.1.5/Makefile	2012-02-10 13:50:23.000000000 +0400
+++ lua-5.1.5.new/Makefile	2023-11-07 01:55:13.408377728 +0300
@@ -9,16 +9,16 @@ PLAT= none
 
 # Where to install. The installation starts in the src and doc directories,
 # so take care if INSTALL_TOP is not an absolute path.
-INSTALL_TOP= /usr/local
+INSTALL_TOP= /usr
 INSTALL_BIN= $(INSTALL_TOP)/bin
 INSTALL_INC= $(INSTALL_TOP)/include
-INSTALL_LIB= $(INSTALL_TOP)/lib
+INSTALL_LIB= $(INSTALL_TOP)/lib64
 INSTALL_MAN= $(INSTALL_TOP)/man/man1
 #
 # You probably want to make INSTALL_LMOD and INSTALL_CMOD consistent with
 # LUA_ROOT, LUA_LDIR, and LUA_CDIR in luaconf.h (and also with etc/lua.pc).
 INSTALL_LMOD= $(INSTALL_TOP)/share/lua/$V
-INSTALL_CMOD= $(INSTALL_TOP)/lib/lua/$V
+INSTALL_CMOD= $(INSTALL_TOP)/lib64/lua/$V
 
 # How to install. If your install program does not support "-p", then you
 # may have to run ranlib on the installed liblua.a (do "make ranlib").
diff -ruNp lua-5.1.5/etc/lua.pc lua-5.1.5.new/etc/lua.pc
--- lua-5.1.5/etc/lua.pc	2012-02-10 13:50:30.000000000 +0400
+++ lua-5.1.5.new/etc/lua.pc	2023-11-07 01:55:13.408377728 +0300
@@ -8,17 +8,17 @@ V= 5.1
 R= 5.1.5
 
 # grep '^INSTALL_.*=' ../Makefile | sed 's/INSTALL_TOP/prefix/'
-prefix= /usr/local
+prefix= /usr
 INSTALL_BIN= ${prefix}/bin
 INSTALL_INC= ${prefix}/include
-INSTALL_LIB= ${prefix}/lib
+INSTALL_LIB= ${prefix}/lib64
 INSTALL_MAN= ${prefix}/man/man1
 INSTALL_LMOD= ${prefix}/share/lua/${V}
-INSTALL_CMOD= ${prefix}/lib/lua/${V}
+INSTALL_CMOD= ${prefix}/lib64/lua/${V}
 
 # canonical vars
 exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
+libdir=${exec_prefix}/lib64
 includedir=${prefix}/include
 
 Name: Lua
diff -ruNp lua-5.1.5/src/Makefile lua-5.1.5.new/src/Makefile
--- lua-5.1.5/src/Makefile	2012-02-14 00:41:22.000000000 +0400
+++ lua-5.1.5.new/src/Makefile	2023-11-07 02:04:00.088404650 +0300
@@ -8,14 +8,14 @@
 PLAT= none
 
 CC= gcc
-CFLAGS= -O2 -Wall $(MYCFLAGS)
+CFLAGS= $(SLKCFLAGS) $(MYCFLAGS)
 AR= ar rcu
 RANLIB= ranlib
 RM= rm -f
 LIBS= -lm $(MYLIBS)
 
 MYCFLAGS=
-MYLDFLAGS=
+MYLDFLAGS=$(SLKLDFLAGS)
 MYLIBS=
 
 # == END OF USER SETTINGS. NO NEED TO CHANGE ANYTHING BELOW THIS LINE =========
diff -ruNp lua-5.1.5/src/luaconf.h lua-5.1.5.new/src/luaconf.h
--- lua-5.1.5/src/luaconf.h	2008-02-11 19:25:08.000000000 +0300
+++ lua-5.1.5.new/src/luaconf.h	2023-11-07 01:55:13.409377728 +0300
@@ -94,9 +94,9 @@
 	".\\?.dll;"  LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll"
 
 #else
-#define LUA_ROOT	"/usr/local/"
+#define LUA_ROOT	"/usr"
 #define LUA_LDIR	LUA_ROOT "share/lua/5.1/"
-#define LUA_CDIR	LUA_ROOT "lib/lua/5.1/"
+#define LUA_CDIR	LUA_ROOT "lib64/lua/5.1/"
 #define LUA_PATH_DEFAULT  \
 		"./?.lua;"  LUA_LDIR"?.lua;"  LUA_LDIR"?/init.lua;" \
 		            LUA_CDIR"?.lua;"  LUA_CDIR"?/init.lua"