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 02:08:47.410419337 +0300
@@ -9,7 +9,7 @@ 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
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 02:10:11.503423636 +0300
@@ -8,7 +8,7 @@ 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
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 02:07:21.778414960 +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 02:09:40.687422060 +0300
@@ -94,7 +94,7 @@
 	".\\?.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_PATH_DEFAULT  \