PKG_CONFIG?=pkg-config
WAYLAND_PROTOCOLS=$(shell $(PKG_CONFIG) --variable=pkgdatadir wayland-protocols)
WAYLAND_SCANNER=$(shell $(PKG_CONFIG) --variable=wayland_scanner wayland-scanner)

PKGS="wlroots-0.19" wayland-server xkbcommon
CFLAGS+=$(shell $(PKG_CONFIG) --cflags $(PKGS))
LIBS=$(shell $(PKG_CONFIG) --libs $(PKGS))

# 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 $@

tinywl.o: tinywl.c xdg-shell-protocol.h
	$(CC) -g -Werror $(CFLAGS) -I. -DWLR_USE_UNSTABLE -o $@ -c $<
tinywl: tinywl.o
	$(CC) $< -g -Werror $(CFLAGS) $(LDFLAGS) $(LIBS) -o $@

clean:
	rm -f tinywl tinywl.o xdg-shell-protocol.h

.DEFAULT_GOAL=tinywl
.PHONY: clean