MAN != ls doc/*.[1-9]
EXEC != find -H . -follow -type f -perm -111 ! -path '*/.git/*'
IMAN != echo " $(MAN)" | sed -E 's, doc/, /usr/local/man/man1/,g'
IEXEC != echo " $(EXEC)" | sed -E 's, \./([^ ]*/)?, /usr/local/bin/,g'

install:
	@echo Installing man pages...
	@install -m 644 $(MAN) /usr/local/man/man1
	@echo Installing executables...
	@install $(EXEC) /usr/local/bin
	@echo Rewriting shebangs...
	@re! $(IEXEC)

uninstall:
	@echo Uninstalling man pages...
	@rm $(IMAN)
	@echo Uninstalling executables...
	@rm $(IEXEC)

build:
	build */*.c