$ tree
.
├── etc
│   ├── developer.py
│   ├── _generate_uuid_.patch
│   ├── master.py
│   └── test.py
└── Makefile

1 directory, 5 files
$ cat Makefile
DESTDIR?=../..
ETC=$(DESTDIR)/etc/taifuno
LINK=$(ETC)/settings.py

all:
	echo 'usage: make [DESTDIR=../..] (developer|master|test)'

.install:
	rm -f $(LINK)
	mkdir -p $(ETC)
	install -m 644 ./etc/developer.py $(ETC)/developer.py
	install -m 644 ./etc/master.py $(ETC)/master.py
	install -m 644 ./etc/test.py $(ETC)/test.py

developer: .install
	ln -s $(ETC)/developer.py $(LINK)

master: .install
	ln -s $(ETC)/master.py $(LINK)

test: .install
	ln -s $(ETC)/test.py $(LINK)
$