WAYLAND_PROTOCOLS=$(shell pkg-config --variable=pkgdatadir wayland-protocols)
WAYLAND_SCANNER=$(shell pkg-config --variable=wayland_scanner wayland-scanner)
LIBS=\
	 $(shell pkg-config --cflags --libs wlroots) \
	 $(shell pkg-config --cflags --libs wayland-server) \
	 $(shell pkg-config --cflags --libs xkbcommon)

OBJS=\
	diyac.c \
	cursor.c \
	output.c \
	seat.c \
	node.c \
	view.c \
	xdg.c \
	xdg-shell-protocol.c \
	layer.c \
	wlr-layer-shell-unstable-v1-protocol.c

# wayland-scanner is a tool which generates C headers and rigging for Wayland
# protocols, which are specified in XML. wlroots requires you to rig these up
# to your build system yourself and provide them in the include path.
xdg-shell-protocol.h:
	$(WAYLAND_SCANNER) server-header \
		$(WAYLAND_PROTOCOLS)/stable/xdg-shell/xdg-shell.xml $@

xdg-shell-protocol.c: xdg-shell-protocol.h
	$(WAYLAND_SCANNER) private-code \
		$(WAYLAND_PROTOCOLS)/stable/xdg-shell/xdg-shell.xml $@

wlr-layer-shell-unstable-v1-protocol.c: wlr-layer-shell-unstable-v1-protocol.h
	$(WAYLAND_SCANNER) private-code \
		protocol/wlr-layer-shell-unstable-v1.xml $@

wlr-layer-shell-unstable-v1-protocol.h:
	$(WAYLAND_SCANNER) server-header \
		protocol/wlr-layer-shell-unstable-v1.xml $@

diyac: $(OBJS)
	echo "Object is $(OBJS)"
	$(CC) $(CFLAGS) \
		-g -Werror -I. \
		-DWLR_USE_UNSTABLE \
		-o $@ $(OBJS) \
		$(LIBS)

clean:
	rm -f diyac xdg-shell-protocol.* wlr-layer-shell-unstable-v1-protocol.*

.DEFAULT_GOAL=diyac
.PHONY: clean