From 64096636e0eed8fbb7032767e17a7e8b875663cc Mon Sep 17 00:00:00 2001
From: Emily <vcs@emily.moe>
Date: Mon, 8 Sep 2025 02:39:38 +0100
Subject: [PATCH] =?UTF-8?q?haskellPackages.GlomeVec:=20don=E2=80=99t=20for?=
 =?UTF-8?q?ce=20the=20LLVM=20backend?=
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---
 pkgs/development/haskell-modules/configuration-nix.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index cf9dd3c715f5..88fe314bdffc 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -532,6 +532,14 @@ builtins.intersectAttrs super {
     '';
   }) super.spaceprobe;
 
+  # Forces the LLVM backend.
+  GlomeVec = overrideCabal (drv: {
+    postPatch = ''
+      substituteInPlace GlomeVec.cabal \
+        --replace-fail '-fllvm ' ""
+    '';
+  }) super.GlomeVec;
+
   # Tries to run GUI in tests
   leksah = dontCheck (
     overrideCabal (drv: {