We can build a real program now!

util/ack/build.lua

@@ -0,0 +1,89 @@
+cprogram {
+	name = "mktables",	
+	srcs = { "./mktables.c" },
+}
+
+normalrule {
+	name = "tables",
+	outleaves = { "dmach.c", "intable.c" },
+	ins = {
+		":mktables",
+		"lib/descr/fe",
+	},
+	commands = {
+		"(cd %{dir} && %{abspath(ins[1])} lib)"
+	}
+}
+
+cprogram {
+	name = "ack",
+	srcs = {
+		"./*.c",
+		"./*.h",
+		":tables",
+	},
+	deps = {
+		"h:emheaders",
+		"h:local",
+	}
+}
+
+--[[
+D := util/ack
+
+define util-ack-makeheaders-rule
+$(eval g := $(OBJDIR)/$D/dmach.c $(OBJDIR)/$D/intable.c)
+$(wordlist 2, $(words $g), $g): $(firstword $g)
+$(firstword $g): $(util-ack-mktables)
+	@echo MKTABLES
+	@mkdir -p $(OBJDIR)/$D
+	$(hide) cd $(OBJDIR)/$D && $(util-ack-mktables) $(INSDIR)/share
+
+$(eval CLEANABLES += $g)
+endef
+
+define build-ack-impl
+	$(call reset)
+	$(call cfile, $D/mktables.c)
+	$(call cprogram, $(OBJDIR)/$D/mktables)
+	$(eval util-ack-mktables := $o)
+
+	$(call reset)
+	$(eval cflags += -I$D)
+	$(call cfile, $D/list.c)
+	$(call cfile, $D/data.c)
+	$(call cfile, $D/main.c)
+	$(call cfile, $D/scan.c)
+	$(call cfile, $D/svars.c)
+	$(call cfile, $D/trans.c)
+	$(call cfile, $D/util.c)
+
+	$(call cfile, $D/rmach.c)
+	$(call dependson, $(INCDIR)/em_path.h)
+
+	$(call cfile, $D/run.c)
+	$(call cfile, $D/grows.c)
+
+	$(call cfile, $D/files.c)
+	$(call dependson, $(INCDIR)/em_path.h)
+
+	$(eval $(util-ack-makeheaders-rule))
+	$(call cfile, $(OBJDIR)/$D/dmach.c)
+	$(call cfile, $(OBJDIR)/$D/intable.c)
+
+	$(call cprogram, $(BINDIR)/ack)
+	$(call installto, $(INSDIR)/bin/ack)
+	$(eval ACK := $o)
+
+	$(call reset)
+	$(eval q := lib/descr/fe)
+	$(call installto, $(PLATIND)/descr/fe)
+	$(eval $(ACK): $o)
+
+	$(call reset)
+	$(eval q := $D/ack.1.X)
+	$(call installto, $(INSDIR)/share/man/man1/ack.1)
+endef
+
+$(eval $(build-ack-impl))
+--]]