yacc, ncgg; platform ncg builds now.

plat/build.lua

@@ -0,0 +1,46 @@
+include("mach/proto/as/build.lua")
+include("mach/proto/ncg/build.lua")
+
+definerule("build_plat",
+	{
+		arch = { type = "string" },
+		plat = { type = "string" },
+	},
+	function(e)
+		local descr = "plat/"..e.plat.."/descr"
+
+		local as = build_as {
+			name = "as",
+			arch = e.arch
+		}
+
+		local ncg = build_ncg {
+			name = "ncg",
+			arch = e.arch,
+		}
+
+		local tools = installable {
+			name = "tools",
+			map = {
+				["$(PLATDEP)/"..e.arch.."/as"] = as,
+				["$(PLATDEP)/"..e.plat.."/ncg"] = ncg,
+				["$(PLATIND)/descr/"..e.plat.."/descr"] = descr,
+			}
+		}
+
+		local libraries = installable {
+			name = "libraries",
+			map = {
+			}
+		}
+
+		return installable {
+			name = e.name,
+			map = {
+				tools,
+				libraries,
+			}
+		}
+	end
+)
+

plat/pc86/build.lua

@@ -1,14 +1,7 @@
-include("mach/proto/as/build.lua")
+include("plat/build.lua")
 
-build_as {
-	name = "as",
-	arch = "i86"
-}
-
-installable {
+build_plat {
 	name = "pkg",
-	map = {
-		["$(PLATDEP)/pc86/as"] = "+as"
-	}
+	arch = "i86",
+	plat = "pc86",
 }
-