l usershadow: build without -threaded

1 files changed, 4 insertions, 2 deletions

diff --git a/lass/3modules/usershadow.nix b/lass/3modules/usershadow.nix
index 383b9a537..d967a108a 100644
--- a/lass/3modules/usershadow.nix
+++ b/lass/3modules/usershadow.nix
@@ -53,10 +53,13 @@
       "bytestring"
     ];
     body = pkgs.writeHaskellPackage "passwords" {
+      ghc-options = [
+        "-rtsopts"
+        "-Wall"
+      ];
       executables.verify_pam = {
         extra-depends = deps;
         text = ''
-          import Data.Monoid
           import System.IO
           import Data.Char (chr)
           import System.Environment (getEnv, getArgs)
@@ -79,7 +82,6 @@
       executables.verify_arg = {
         extra-depends = deps;
         text = ''
-          import Data.Monoid
           import System.Environment (getArgs)
           import Crypto.PasswordStore (verifyPasswordWith, pbkdf2)
           import qualified Data.ByteString.Char8 as BS8