feat(third_party/bazel): Check in rules_haskell from Tweag

third_party/bazel/rules_haskell/tests/binary-with-lib-dynamic/BUILD.bazel

@@ -0,0 +1,25 @@
+load(
+    "@io_tweag_rules_haskell//haskell:haskell.bzl",
+    "haskell_library",
+    "haskell_test",
+)
+
+package(default_testonly = 1)
+
+haskell_library(
+    name = "lib",
+    srcs = glob(["src/*.hs"]),
+    linkstatic = False,
+    src_strip_prefix = "src",
+)
+
+haskell_test(
+    name = "binary-with-lib-dynamic",
+    srcs = ["Main.hs"],
+    linkstatic = False,
+    visibility = ["//visibility:public"],
+    deps = [
+        ":lib",
+        "//tests/hackage:base",
+    ],
+)

third_party/bazel/rules_haskell/tests/binary-with-lib-dynamic/Main.hs

@@ -0,0 +1,7 @@
+module Main where
+
+import Control.Monad (unless)
+import Lib           (value)
+
+main = unless (value == 42)
+    $ error $ "Incorrect lib value. Got " <> show value

third_party/bazel/rules_haskell/tests/binary-with-lib-dynamic/src/Lib.hs

@@ -0,0 +1,5 @@
+{-# LANGUAGE NoImplicitPrelude #-}
+
+module Lib (value) where
+
+value = 42