change(makefile): reverted some file.

Author: membphis

Makefile

@@ -57,6 +57,18 @@ install:
 	$(INSTALL) $(C_SO_NAME) $(INST_LIBDIR)/
 
 
+### dev:          Create a development ENV
+.PHONY: dev
+dev:
+ifeq ($(UNAME),Darwin)
+	luarocks install --lua-dir=$(LUA_JIT_DIR) rockspec/lua-resty-radixtree-dev-1.0-0.rockspec --only-deps
+else ifneq ($(LUAROCKS_VER),'luarocks 3.')
+	luarocks install rockspec/lua-resty-radixtree-dev-1.0-0.rockspec --only-deps
+else
+	luarocks install --lua-dir=/usr/local/openresty/luajit rockspec/lua-resty-radixtree-dev-1.0-0.rockspec --only-deps
+endif
+
+
 ### help:         Show Makefile rules
 .PHONY: help
 help: