# GNU Makefile for unsaver

####
# Packagers: override these on the make command line as needed.

# maximum number of devices we can monitor. 16 seems like an awful lot...
MAX_STICKS=16

# base name of joystick devices on your OS, gets numbers 0 to MAX_STICKS
# appended to it during autodetection. This is the base filename without
# the directory. If your first joystick is /dev/input/js0, say js here.
JSNODE=js

# directory where joystick devices live. monitored via inotify(7) to
# detect hotplug events.
EVENTDIR=/dev/input

# Intended for optimizations, but you could include other flags here.
# Override this, not CFLAGS
OPTFLAGS=-Wall -ansi -pedantic -std=c89 -g

# -L, -l, and maybe -Wl flags here.
LDEXTRA=

# Where 'make install' puts things.
PREFIX=/usr/local
BINDIR=$(PREFIX)/bin
MANDIR=$(PREFIX)/share/man
MAN1DIR=$(MANDIR)/man1
DOCDIR=$(PREFIX)/share/doc/$(PROJ)
DESTDIR=

# Booleans: 'y' or 'n' for these.
STRIPBIN=y
GZIPMAN=y

# Normally these will end up as root and root (or possibly wheel). You
# could also set 'CHOWN=/bin/true' to skip it.
OWNER=$(shell id -nu 0)
GROUP=$(shell id -ng 0)

# These are only used if you're rebuilding the man and/or html pages,
# e.g. because you've patched them.
RST2MAN=rst2man.py
RST2HTML=rst2html4.py

#
###

# Hopefully, no user-serviceable parts below this line.

PROJ=unsaver

# the .rst is the authoritative source for the version number.
VERSION=$(shell fgrep '.. |version| replace::' $(PROJ).rst | cut -d' ' -f4)

DEFINES=-DVERSION=\"$(VERSION)\" -DMAX_STICKS=$(MAX_STICKS) -DJSNODE=\"$(JSNODE)\" -DEVENTDIR=\"$(EVENTDIR)\" -DPROJ=\"$(PROJ)\"

CFLAGS+=$(shell pkg-config --cflags x11 xtst)
LDFLAGS+=$(shell pkg-config --libs x11 xtst)

CFLAGS=$(OPTFLAGS) $(DEFINES)
LDFLAGS+=$(LDEXTRA)

all: $(PROJ)

man: $(PROJ).1

html: $(PROJ).html

clean:
	rm -f $(PROJ) core

%.1: %.rst
	$(RST2MAN) $< > $@ || rm -f $@

%.html: %.rst
	$(RST2HTML) $< > $@ || rm -f $@

ifeq ($(shell whoami),root)
CHOWN=chown
else
CHOWN=: chown
endif

install: all man html
	mkdir -p $(DESTDIR)$(BINDIR) $(DESTDIR)$(MAN1DIR) $(DESTDIR)$(DOCDIR)
	cp $(PROJ) $(DESTDIR)$(BINDIR)
	$(CHOWN) $(OWNER):$(GROUP) $(DESTDIR)$(BINDIR)/$(PROJ)
	chmod 755 $(DESTDIR)$(BINDIR)/$(PROJ)
ifeq ($(STRIPBIN),y)
	strip $(DESTDIR)$(BINDIR)/$(PROJ)
endif
	cp $(PROJ).1 $(DESTDIR)$(MAN1DIR)
ifeq ($(GZIPMAN),y)
	gzip -9 $(DESTDIR)$(MAN1DIR)/$(PROJ).1
endif
	$(CHOWN) root:root $(DESTDIR)$(MAN1DIR)/$(PROJ).1
	chmod 644 $(DESTDIR)$(MAN1DIR)/$(PROJ).1
	cp README $(DESTDIR)$(DOCDIR)
	chmod 644 $(DESTDIR)$(DOCDIR)/README
	$(CHOWN) $(OWNER):$(GROUP) $(DESTDIR)$(DOCDIR)/README

push: all man html
	git add $(PROJ).1 $(PROJ).html
	git commit -m'auto-regenerate man/html pages' || true
	git push


.PHONY: all man clean html install push