# Makefile for `hello`
CC=cc
CFLAGS=-std=c99 -D_XOPEN_SOURCE=700 -D_GNU_SOURCE -D_POSIX_C_SOURCE=200809L
CWARN=-Wall -Wpedantic -Wextra -Werror
O=-O2
G=

PREFIX=/usr/local
BINDIR=$(PREFIX)/bin
MANDIR=$(PREFIX)/man

HEADERS=greeter.h
CFILES=greeter.c
OBJFILES=$(CFILES:%.c=%.o)


hello: hello.c $(HEADERS) $(OBJFILES)
	$(CC) $(CFLAGS) $(CWARN) $(O) $(G) $(OBJFILES) hello.c -o hello

%.o: %.c %.h
	$(CC) -c $(CFLAGS) $(CWARN) $(O) $(G) $< -o $@

.PHONY: clean
clean:
	rm -f hello $(OBJFILES)

.PHONY: install
install: hello
	mkdir -p -m 755 "$(BINDIR)" "$(MANDIR)/man1"
	cp hello "$(BINDIR)/"
	cp hello.1 "$(MANDIR)/man1/"

.PHONY: uninstall
uninstall:
	rm -f "$(BINDIR)/hello" "$(MANDIR)/man1/hello.1"