Update examples

testsuite/pkgconf/null/api/API.hs

@@ -0,0 +1,10 @@
+{-# OPTIONS -fglasgow-exts #-}
+
+module API where
+
+data Null = Null { a, b :: Int }
+   deriving Show
+
+plugin :: Null
+plugin = Null { a = 42 , b = 1 }
+

testsuite/pkgconf/null/api/package.conf.in

@@ -0,0 +1,18 @@
+Package {
+        name            = "api",
+        auto            = False,
+
+        import_dirs     = [ "${PREFIX}" ],
+        library_dirs    = [ "${PREFIX}" ],
+        hs_libraries    = [ "HSapi" ],
+
+        include_dirs    = [],
+        c_includes      = [],
+        source_dirs     = [],
+        extra_libraries = [],
+        package_deps    = [],
+        extra_ghc_opts  = [],
+        extra_cc_opts   = [],
+        extra_ld_opts   = []
+}
+