Wasn't exporting the plat headers; refactor to make this a little cleaner.

plat/linux386/build-headers.lua

@@ -1,11 +0,0 @@
-include("plat/build.lua")
-
-acklibrary {
-	name = "headers",
-	hdrs = {
-		["ack/config.h"] = "./include/ack/config.h",
-		["sys/ioctl.h"] = "./include/sys/ioctl.h",
-		["unistd.h"] = "./include/unistd.h",
-	}
-}
-

plat/linux386/build-pkg.lua

@@ -17,6 +17,7 @@ installable {
 	map = {
 		"+tools",
 		"+libs",
+		"./include+pkg",
 		["$(PLATIND)/linux386/boot.o"] = "+boot"
 	}
 }

plat/linux386/include/build.lua

@@ -0,0 +1,24 @@
+include("plat/build.lua")
+
+headermap = {}
+packagemap = {}
+
+local function addheader(h)
+	headermap[h] = "./"..h
+	packagemap["$(PLATIND)/linux386/include/"..h] = "./"..h
+end
+
+addheader("ack/config.h")
+addheader("sys/ioctl.h")
+addheader("unistd.h")
+
+acklibrary {
+	name = "headers",
+	hdrs = headermap
+}
+
+installable {
+	name = "pkg",
+	map = packagemap
+}
+