SHELL = /bin/sh

# See the following link regarding GNU Makefile conventions.
# https://www.gnu.org/software/make/manual/html_node/Makefile-Conventions.html

# This seems stupid. Isn't install a coreutil anyways?
# INSTALL := install
# INSTALL_PROGRAM := $(INSTALL)
# INSTALL_DATA := ${INSTALL} -m 644

# Variables for installation directories.
# https://www.gnu.org/software/make/manual/html_node/Directory-Variables.html

DESTDIR :=

prefix := /usr/local
exec_prefix := $(prefix)
bindir := $(exec_prefix)/bin
datarootdir := $(prefix)/share
datadir := $(datarootdir)
# libdir := $(prefix)/lib
mandir := $(datarootdir)/man
man1dir := $(mandir)/man1

.PHONY: all
all: ./agenda.1.gz

.PHONY: install
install: ./agenda.1.gz
	install -m 755 -D ./agenda $(DESTDIR)$(bindir)/agenda
	install -m 644 -D ./agenda.1.gz $(DESTDIR)$(man1dir)/agenda.1.gz
	install -m 644 -D ./completion.bash $(DESTDIR)$(datarootdir)/bash-completion/completions/agenda

.PHONY: uninstall
uninstall:
	rm -f $(DESTDIR)$(bindir)/agenda
	rm -f $(DESTDIR)$(man1dir)/agenda.1.gz
	rm -f $(DESTDIR)$(datarootdir)/bash-completion/completions/agenda

.PHONY: clean
clean:
	rm -f ./agenda.1.gz

./agenda.1.gz: ./agenda.1
	gzip -fk ./agenda.1