Makefile

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)

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

pointer-constraints-unstable-v1-protocol.h:
	$(WAYLAND_SCANNER) server-header \
		$(WAYLAND_PROTOCOLS)/unstable/pointer-constraints/pointer-constraints-unstable-v1.xml $@

gateway: src/* xdg-shell-protocol.h xdg-shell-protocol.c wlr-layer-shell-unstable-v1-protocol.h pointer-constraints-unstable-v1-protocol.h
	$(CC) $(CFLAGS) \
		-g -Werror -I. \
		-DWLR_USE_UNSTABLE \
		-o $@ $< \
		$(LIBS)

clean:
	rm -f gateway xdg-shell-protocol.h xdg-shell-protocol.c wlr-layer-shell-unstable-v1-protocol.h pointer-constraints-unstable-v1-protocol.h

.DEFAULT_GOAL=gateway
.PHONY: clean