Test that the linker can also see the extra_srcs.

Author: facundominguez

tests/extra-source-files/BUILD

@@ -2,6 +2,7 @@ package(default_testonly = 1)
 
 load(
     "@io_tweag_rules_haskell//haskell:haskell.bzl",
+    "haskell_binary",
     "haskell_library",
 )
 
@@ -11,8 +12,30 @@ haskell_library(
         "Foo.hs",
         "FooTH.hs",
     ],
+    # Test that the linker can also see the extra_srcs.
+    compiler_flags = ["-optl-Wl,@tests/extra-source-files/ld-options.txt"],
     extra_srcs = [
         "file.txt",
+        "ld-options.txt",
+    ],
+    prebuilt_dependencies = [
+        "base",
+        "template-haskell",
+    ],
+)
+
+haskell_binary(
+    name = "extra-source-files-bin",
+    srcs = [
+        "FooTH.hs",
+        "Foo.hs",
+        "Main.hs",
+    ],
+    # Test that the linker can also see the extra_srcs.
+    compiler_flags = ["-optl-Wl,@tests/extra-source-files/ld-options.txt"],
+    extra_srcs = [
+        "file.txt",
+        "ld-options.txt",
     ],
     prebuilt_dependencies = [
         "base",

tests/extra-source-files/Main.hs

@@ -0,0 +1,4 @@
+import Foo (foo)
+
+main :: IO ()
+main = putStrLn foo