From dae3c95fb5c07d8b1083043e94fbecae14635338 Mon Sep 17 00:00:00 2001
From: Alexandre Esteves <alexfmpe@proton.me>
Date: Sat, 18 Jan 2025 02:25:24 +0000
Subject: [PATCH] haskellPackages.reflex-dom-core: workaround TH bug in JS
 backend

---
 pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix b/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix
index 3cd330584f7c8..f4f88d4a4e51a 100644
--- a/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix
@@ -25,6 +25,7 @@ with haskellLib;
 
   # https://gitlab.haskell.org/ghc/ghc/-/issues/25083#note_578275
   patch = haskellLib.disableParallelBuilding super.patch;
+  reflex-dom-core = haskellLib.disableParallelBuilding super.reflex-dom-core;
 
   reflex-dom = super.reflex-dom.override (drv: {
     jsaddle-webkit2gtk = null;