From 45c70e496f9cd6cd733bcc6578f353ce304a52d8 Mon Sep 17 00:00:00 2001
From: Matthew Justin Bauer <mjbauer95@gmail.com>
Date: Wed, 13 Jun 2018 16:34:50 -0400
Subject: [PATCH] ghcjs-ng: add haskellCompilerName attribute

This is needed by some old code in Nixpkgs. Adding it here will fix some eval errors.

/cc @ElvishJerricco

Fixes #41943
---
 pkgs/development/compilers/ghcjs-ng/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/compilers/ghcjs-ng/default.nix b/pkgs/development/compilers/ghcjs-ng/default.nix
index 6e883aeafe83..dda414620e0b 100644
--- a/pkgs/development/compilers/ghcjs-ng/default.nix
+++ b/pkgs/development/compilers/ghcjs-ng/default.nix
@@ -47,6 +47,8 @@ let
     # Relics of the old GHCJS build system
     stage1Packages = [];
     mkStage2 = _: {};
+
+    haskellCompilerName = "ghcjs";
   };
 
   bootGhcjs = haskellLib.justStaticExecutables passthru.bootPkgs.ghcjs;