--- Makefile
+++ Makefile
@@ -3,18 +3,13 @@
 
 # == CHANGE THE SETTINGS BELOW TO SUIT YOUR ENVIRONMENT =======================
 
-# Your platform. See PLATS for possible values.
-PLAT= guess
+include ../../config.mk
 
-CC= gcc -std=gnu99
-CFLAGS= -O2 -Wall -Wextra -DLUA_COMPAT_5_3 $(SYSCFLAGS) $(MYCFLAGS)
-LDFLAGS= $(SYSLDFLAGS) $(MYLDFLAGS)
-LIBS= -lm $(SYSLIBS) $(MYLIBS)
+CC=      ${_CC}
+CFLAGS=  ${_CFLAGS} ${_EXT_CPPFLAGS}
+LDFLAGS= ${_LDFLAGS}
 
-AR= ar rcu
-RANLIB= ranlib
 RM= rm -f
-UNAME= uname
 
 SYSCFLAGS=
 SYSLDFLAGS=
@@ -30,47 +25,19 @@
 
 # == END OF USER SETTINGS -- NO NEED TO CHANGE ANYTHING BELOW THIS LINE =======
 
-PLATS= guess aix bsd c89 freebsd generic ios linux linux-readline macosx mingw posix solaris
-
-LUA_A=	liblua.a
 CORE_O=	lapi.o lcode.o lctype.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o lmem.o lobject.o lopcodes.o lparser.o lstate.o lstring.o ltable.o ltm.o lundump.o lvm.o lzio.o
 LIB_O=	lauxlib.o lbaselib.o lcorolib.o ldblib.o liolib.o lmathlib.o loadlib.o loslib.o lstrlib.o ltablib.o lutf8lib.o linit.o
 BASE_O= $(CORE_O) $(LIB_O) $(MYOBJS)
 
-LUA_T=	lua
-LUA_O=	lua.o
-
-LUAC_T=	luac
-LUAC_O=	luac.o
-
-ALL_O= $(BASE_O) $(LUA_O) $(LUAC_O)
-ALL_T= $(LUA_A) $(LUA_T) $(LUAC_T)
-ALL_A= $(LUA_A)
+ALL_O= $(BASE_O)
 
 # Targets start here.
-default: $(PLAT)
-
-all:	$(ALL_T)
-
-o:	$(ALL_O)
-
-a:	$(ALL_A)
+all: $(ALL_O)
 
-$(LUA_A): $(BASE_O)
-	$(AR) $@ $(BASE_O)
-	$(RANLIB) $@
-
-$(LUA_T): $(LUA_O) $(LUA_A)
-	$(CC) -o $@ $(LDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
-
-$(LUAC_T): $(LUAC_O) $(LUA_A)
-	$(CC) -o $@ $(LDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
-
-test:
-	./$(LUA_T) -v
+o: $(ALL_O)
 
 clean:
-	$(RM) $(ALL_T) $(ALL_O)
+	$(RM) $(ALL_O)
 
 depend:
 	@$(CC) $(CFLAGS) -MM l*.c
@@ -85,66 +52,13 @@
 	@echo "RANLIB= $(RANLIB)"
 	@echo "RM= $(RM)"
 	@echo "UNAME= $(UNAME)"
+	@echo "BASE_O= $(BASE_O)"
 
 # Convenience targets for popular platforms.
 ALL= all
 
-help:
-	@echo "Do 'make PLATFORM' where PLATFORM is one of these:"
-	@echo "   $(PLATS)"
-	@echo "See doc/readme.html for complete instructions."
-
-guess:
-	@echo Guessing `$(UNAME)`
-	@$(MAKE) `$(UNAME)`
-
-AIX aix:
-	$(MAKE) $(ALL) CC="xlc" CFLAGS="-O2 -DLUA_USE_POSIX -DLUA_USE_DLOPEN" SYSLIBS="-ldl" SYSLDFLAGS="-brtl -bexpall"
-
-bsd:
-	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_POSIX -DLUA_USE_DLOPEN" SYSLIBS="-Wl,-E"
-
-c89:
-	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_C89" CC="gcc -std=c89"
-	@echo ''
-	@echo '*** C89 does not guarantee 64-bit integers for Lua.'
-	@echo '*** Make sure to compile all external Lua libraries'
-	@echo '*** with LUA_USE_C89 to ensure consistency'
-	@echo ''
-
-FreeBSD NetBSD OpenBSD freebsd:
-	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX -DLUA_USE_READLINE -I/usr/include/edit" SYSLIBS="-Wl,-E -ledit" CC="cc"
-
-generic: $(ALL)
-
-ios:
-	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_IOS"
-
-Linux linux:	linux-noreadline
-
-linux-noreadline:
-	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -ldl"
-
-linux-readline:
-	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX -DLUA_USE_READLINE" SYSLIBS="-Wl,-E -ldl -lreadline"
-
-Darwin macos macosx:
-	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_MACOSX -DLUA_USE_READLINE" SYSLIBS="-lreadline"
-
-mingw:
-	$(MAKE) "LUA_A=lua54.dll" "LUA_T=lua.exe" \
-	"AR=$(CC) -shared -o" "RANLIB=strip --strip-unneeded" \
-	"SYSCFLAGS=-DLUA_BUILD_AS_DLL" "SYSLIBS=" "SYSLDFLAGS=-s" lua.exe
-	$(MAKE) "LUAC_T=luac.exe" luac.exe
-
-posix:
-	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_POSIX"
-
-SunOS solaris:
-	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_POSIX -DLUA_USE_DLOPEN -D_REENTRANT" SYSLIBS="-ldl"
-
 # Targets that do not create files (not all makes understand .PHONY).
-.PHONY: all $(PLATS) help test clean default o a depend echo
+.PHONY: all test clean o depend echo
 
 # Compiler modules may use special flags.
 llex.o:
@@ -209,9 +125,6 @@
 ltablib.o: ltablib.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
 ltm.o: ltm.c lprefix.h lua.h luaconf.h ldebug.h lstate.h lobject.h \
  llimits.h ltm.h lzio.h lmem.h ldo.h lgc.h lstring.h ltable.h lvm.h
-lua.o: lua.c lprefix.h lua.h luaconf.h lauxlib.h lualib.h
-luac.o: luac.c lprefix.h lua.h luaconf.h lauxlib.h ldebug.h lstate.h \
- lobject.h llimits.h ltm.h lzio.h lmem.h lopcodes.h lopnames.h lundump.h
 lundump.o: lundump.c lprefix.h lua.h luaconf.h ldebug.h lstate.h \
  lobject.h llimits.h ltm.h lzio.h lmem.h ldo.h lfunc.h lstring.h lgc.h \
  lundump.h