--- Makefile.orig	2017-01-03 01:42:12 UTC
+++ Makefile
@@ -3,7 +3,7 @@
 LUAPATH  ?= /usr/share/lua/5.1
 LUACPATH ?= /usr/lib/lua/5.1
 INCDIR   ?= -I/usr/include/lua5.1
-LIBDIR   ?= -L/usr/lib
+LUALIBDIR   ?= -L/usr/lib
 
 # For Mac OS X: set the system version
 MACOSX_VERSION = 10.4
@@ -11,21 +11,21 @@ MACOSX_VERSION = 10.4
 CMOD = zlib.so
 OBJS = lua_zlib.o
 
-LIBS = -lz -llua -lm
+LIBS = -lz -lm
 WARN = -Wall -pedantic
 
 BSD_CFLAGS  = -O2 -fPIC $(WARN) $(INCDIR) $(DEFS)
-BSD_LDFLAGS = -O -shared -fPIC $(LIBDIR)
+BSD_LDFLAGS = -O2 -shared $(LUALIBDIR)
 
 LNX_CFLAGS  = -O2 -fPIC $(WARN) $(INCDIR) $(DEFS)
-LNX_LDFLAGS = -O -shared -fPIC $(LIBDIR)
+LNX_LDFLAGS = -O2 -shared -fPIC $(LUALIBDIR)
 
 MAC_ENV     = env MACOSX_DEPLOYMENT_TARGET='$(MACVER)'
 MAC_CFLAGS  = -O2 -fPIC -fno-common $(WARN) $(INCDIR) $(DEFS)
-MAC_LDFLAGS = -bundle -undefined dynamic_lookup -fPIC $(LIBDIR)
+MAC_LDFLAGS = -bundle -undefined dynamic_lookup -fPIC $(LUALIBDIR)
 
-CC = gcc
-LD = $(MYENV) gcc
+CC ?= gcc
+LD ?= $(MYENV) gcc
 CFLAGS  = $(MYCFLAGS)
 LDFLAGS = $(MYLDFLAGS)
 
@@ -44,13 +44,13 @@ uninstall:
 	rm $(LUACPATH)/zlib.so
 
 linux:
-	@$(MAKE) $(CMOD) MYCFLAGS="$(LNX_CFLAGS)" MYLDFLAGS="$(LNX_LDFLAGS)" INCDIR="$(INCDIR)" LIBDIR="$(LIBDIR)" DEFS="$(DEFS)"
+	@$(MAKE) $(CMOD) MYCFLAGS="$(LNX_CFLAGS)" MYLDFLAGS="$(LNX_LDFLAGS)" INCDIR="$(INCDIR)" LUALIBDIR="$(LUALIBDIR)" DEFS="$(DEFS)"
 
 bsd:
-	@$(MAKE) $(CMOD) MYCFLAGS="$(BSD_CFLAGS)" MYLDFLAGS="$(BSD_LDFLAGS)" INCDIR="$(INCDIR)" LIBDIR="$(LIBDIR)" DEFS="$(DEFS)"
+	@$(MAKE) $(CMOD) MYCFLAGS="$(BSD_CFLAGS)" MYLDFLAGS="$(BSD_LDFLAGS)" INCDIR="$(INCDIR)" LUALIBDIR="$(LUALIBDIR)" DEFS="$(DEFS)"
 
 macosx:
-	@$(MAKE) $(CMOD) MYCFLAGS="$(MAC_CFLAGS)" MYLDFLAGS="$(MAC_LDFLAGS)" MYENV="$(MAC_ENV)" INCDIR="$(INCDIR)" LIBDIR="$(LIBDIR)" DEFS="$(DEFS)"
+	@$(MAKE) $(CMOD) MYCFLAGS="$(MAC_CFLAGS)" MYLDFLAGS="$(MAC_LDFLAGS)" MYENV="$(MAC_ENV)" INCDIR="$(INCDIR)" LUALIBDIR="$(LUALIBDIR)" DEFS="$(DEFS)"
 
 clean:
 	rm -f $(OBJS) $(CMOD)
@@ -59,4 +59,4 @@ clean:
 	$(CC) -c $(CFLAGS) $(DEFS) $(INCDIR) -o $@ $<
 
 $(CMOD): $(OBJS)
-	$(LD) $(LDFLAGS) $(LIBDIR) $(OBJS) $(LIBS) -o $@
+	$(LD) $(LDFLAGS) $(LUALIBDIR) $(OBJS) $(LIBS) -o $@