# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.  This file is offered as-is,
# without any warranty.


# The package path prefix, if you want to install to another root, set DESTDIR to that root.
PREFIX ?= /usr
# The binary path excluding prefix.
BIN ?= /bin
# The resource path excluding prefix.
DATA ?= /share
# The binary path including prefix.
BINDIR ?= $(PREFIX)$(BIN)
# The resource path including prefix.
DATADIR ?= $(PREFIX)$(DATA)
# The license base path including prefix.
LICENSEDIR ?= $(DATADIR)/licenses


# The name of the package as it should be installed.
PKGNAME ?= slack

# The name of the command as it should be installed.
COMMAND ?= slack



# Build rules.

.PHONY: all
all: bin/slack


bin/slack: src/slack.c
	mkdir -p bin
	$(CC) -O3 -Wall -Wextra -pedantic $(CFLAGS) $(LDFLAGS) $(CPPFLAGS) -o $@ $<


# Install rules.

.PHONY: install
install: install-base

.PHONY: install
install-all: install-base

.PHONY: install-base
install-base: install-cmd install-copyright


.PHONY: install-cmd
install-cmd: bin/slack
	install -dm755 -- "$(DESTDIR)$(BINDIR)"
	install -m755 $< -- "$(DESTDIR)$(BINDIR)/$(COMMAND)"


.PHONY: install-copyright
install-copyright: install-copying install-license

.PHONY: install-copying
install-copying:
	install -dm755 -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
	install -m644 COPYING -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)/COPYING"

.PHONY: install-license
install-license:
	install -dm755 -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)"
	install -m644 LICENSE -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)/LICENSE"



# Uninstall rules.

.PHONY: uninstall
uninstall:
	-rm -- "$(DESTDIR)$(BINDIR)/$(COMMAND)"
	-rm -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)/COPYING"
	-rm -- "$(DESTDIR)$(LICENSEDIR)/$(PKGNAME)/LICENSE"


# Clean rules.

.PHONY: clean
clean:
	-rm -rf obj bin