Update examples

testsuite/make/odir/Makefile

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+TEST=   make/odir
+TOP=../../..
+include ../../build.mk

testsuite/make/odir/Plugin.hs

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+module Plugin ( resource )  where
+
+import API
+
+resource = plugin { 
+    field = "hello out there"
+}

testsuite/make/odir/api/API.hs

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+module API where
+
+data Interface = Interface {
+       field :: String 
+}
+
+plugin :: Interface
+plugin = Interface { field = undefined }

testsuite/make/odir/prog/Main.hs

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+import System.Plugins
+import API
+import System.Directory
+
+main = do
+#if __GLASGOW_HASKELL__ >= 604
+        tmpDir <- getTemporaryDirectory
+#else
+        let tmpDir = "/tmp"
+#endif
+        status <- make "../Plugin.hs" [ "-i../api", "-odir", tmpDir ]
+        o <- case status of
+                MakeSuccess _ o -> return o
+                MakeFailure e -> mapM_ putStrLn e >> error "didn't compile"
+        m_v     <- load o ["../api"] [] "resource"
+        v <- case m_v of
+            LoadSuccess _ v -> return v
+            _               -> error "load failed"
+        putStrLn $ field v 
+        mapM_ removeFile [(tmpDir ++ "/Plugin.hi"), (tmpDir ++ "/Plugin.o") ]
+

testsuite/make/odir/prog/expected

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+hello out there