Finally fix the build system issue where ackprogram would try to explicitly

link all the language libraries.

diff --git a/plat/build.lua b/plat/build.lua
index a6774b9..85ba61b 100644 (file)
--- a/plat/build.lua
+++ b/plat/build.lua
@@ -62,11 +62,23 @@ definerule("ackprogram",
                deps = { type="targets", default={} },
        },
        function (e)
+               -- This bit is a hack. We *don't* want to link the language libraries here,
+               -- because the ack driver is going to pick the appropriate library itself and
+               -- we don't want more than one. But we still need to depend on them, so we use
+               -- a nasty hack.
+
+               local platstamp = normalrule {
+                       name = e.name.."/platstamp",
+                       ins = { "plat/"..e.vars.plat.."+pkg" },
+                       outleaves = { "stamp" },
+                       commands = { "touch %{outs}" }
+               }
+
                return cprogram {
                        name = e.name,
                        srcs = e.srcs,
                        deps = {
-                               "plat/"..e.vars.plat.."+pkg",
+                               platstamp,
                                "util/ack+pkg",
                                "util/led+pkg",
                                e.deps