Add a simple IRC notifier utility

xN/Makefile

@@ -0,0 +1,19 @@
+.POSIX:
+.SUFFIXES:
+AWK = env LC_ALL=C awk
+
+outputs = irc.go xN xN.1
+all: $(outputs)
+
+# If we want to keep module dependencies separate, we don't have many options.
+# Symlinking seems to work good enough.
+irc.go: ../xS/irc.go
+	ln -sf ../xS/irc.go $@
+
+xN: xN.go ../xK-version irc.go
+	go build -ldflags "-X 'main.projectVersion=$$(cat ../xK-version)'" -o $@
+xN.1: ../xK-version ../liberty/tools/asciiman.awk xN.adoc
+	env "asciidoc-release-version=$$(cat ../xK-version)" \
+		$(AWK) -f ../liberty/tools/asciiman.awk xN.adoc > $@
+clean:
+	rm -f $(outputs)