Move docs to the new Makefile layout

docs/docs.mk

@@ -0,0 +1,35 @@
+DISTCLEAN_TARGETS += clean-docs
+
+# To pass additional parameters for asciidoc
+ASCIIDOC = asciidoc
+
+ASCIIDOC_NOTOC_TARGETS = \
+	docs/debugging.html \
+	docs/debugging-release-version.html
+
+ASCIIDOC_TOC_TARGETS = \
+	docs/hacking-howto.html \
+	docs/userguide.html \
+	docs/ipc.html \
+	docs/multi-monitor.html \
+	docs/wsbar.html \
+	docs/testsuite.html \
+	docs/i3bar-protocol.html
+
+ASCIIDOC_TARGETS = \
+	$(ASCIIDOC_TOC_TARGETS) \
+	$(ASCIIDOC_NOTOC_TARGETS)
+
+ASCIIDOC_CALL = $(V_ASCIIDOC)$(ASCIIDOC) -n $(ASCIIDOC_FLAGS) -o $@ $<
+ASCIIDOC_TOC_CALL = $(V_ASCIIDOC)$(ASCIIDOC) -a toc -n $(ASCIIDOC_FLAGS) -o $@ $<
+
+docs: $(ASCIIDOC_TARGETS)
+
+$(ASCIIDOC_TOC_TARGETS): docs/%.html: docs/%
+	$(ASCIIDOC_TOC_CALL)
+
+$(ASCIIDOC_NOTOC_TARGETS): docs/%.html: docs/%
+	$(ASCIIDOC_CALL)
+
+clean-docs:
+	rm -f $(ASCIIDOC_TARGETS)