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Add a config.h into which configurables can be moved.

Makefile

@@ -0,0 +1,30 @@
+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 $@
+
+dwl: dwl.c config.h xdg-shell-protocol.h xdg-shell-protocol.c
+	$(CC) $(CFLAGS) \
+		-g -Werror -I. \
+		-DWLR_USE_UNSTABLE \
+		-o $@ $< \
+		$(LIBS)
+
+clean:
+	rm -f dwl xdg-shell-protocol.h xdg-shell-protocol.c
+
+.DEFAULT_GOAL=dwl
+.PHONY: clean