Makefile

NAME=project
VERSION=0.0.1

DIRS=etc lib bin sbin share
INSTALL_DIRS=`find $(DIRS) -type d 2>/dev/null`
INSTALL_FILES=`find $(DIRS) -type f 2>/dev/null`
DOC_FILES=*.md *.txt

PKG_DIR=pkg
PKG_NAME=$(NAME)-$(VERSION)
PKG=$(PKG_DIR)/$(PKG_NAME).tar.gz
SIG=$(PKG_DIR)/$(PKG_NAME).asc

PREFIX?=/usr/local
DOC_DIR=$(PREFIX)/share/doc/$(PKG_NAME)

pkg:
	mkdir -p $(PKG_DIR)

$(PKG): pkg
	git archive --output=$(PKG) --prefix=$(PKG_NAME)/ HEAD

build: $(PKG)

$(SIG): $(PKG)
	gpg --sign --detach-sign --armor $(PKG)

sign: $(SIG)

clean:
	rm -f $(PKG) $(SIG)

all: $(PKG) $(SIG)

test:

tag:
	git tag v$(VERSION)
	git push --tags

release: $(PKG) $(SIG) tag

install:
	for dir in $(INSTALL_DIRS); do mkdir -p $(PREFIX)/$$dir; done
	for file in $(INSTALL_FILES); do cp $$file $(PREFIX)/$$file; done
	mkdir -p $(DOC_DIR)
	cp -r $(DOC_FILES) $(DOC_DIR)/

uninstall:
	for file in $(INSTALL_FILES); do rm -f $(PREFIX)/$$file; done
	rm -rf $(DOC_DIR)


.PHONY: build sign clean test tag release install uninstall all

Other good Makefile references (in order of decreasing readability :-)

http://mrbook.org/tutorials/make/
http://stackoverflow.com/questions/2481269/how-to-make-simple-c-makefile/2481326#2481326
http://www.gnu.org/software/make/manual/make.html