use mtl to generate errors

1 files changed, 12 insertions, 3 deletions

diff --git a/default.nix b/default.nix
index 1890d35..90576e7 100644
--- a/default.nix
+++ b/default.nix
@@ -1,10 +1,19 @@
-{ mkDerivation, base, parsec, readline, stdenv }:
+{ mkDerivation, base, mtl, parsec, QuickCheck, readline, stdenv
+, test-framework, test-framework-hunit, test-framework-quickcheck2
+, test-framework-th
+}:
 mkDerivation {
   pname = "lisk";
   version = "0.1.0.0";
   src = ./.;
-  isLibrary = false;
+  isLibrary = true;
   isExecutable = true;
-  executableHaskellDepends = [ base parsec readline ];
+  libraryHaskellDepends = [ base mtl parsec ];
+  executableHaskellDepends = [ base mtl parsec readline ];
+  testHaskellDepends = [
+    base parsec QuickCheck test-framework test-framework-hunit
+    test-framework-quickcheck2 test-framework-th
+  ];
+  description = "a lisp interpreter";
   license = stdenv.lib.licenses.gpl3;
 }