From a2dd50b23c1927d5ca6bfd80efa3c87ab1395835 Mon Sep 17 00:00:00 2001
From: Wolfgang Walther <walther@technowledgy.de>
Date: Mon, 9 Feb 2026 09:57:13 +0100
Subject: [PATCH] pkgsStatic.ghc: 9.4 -> 9.12

Should have happened in 6cfb065e3fe7a15f6818bbb3e5ba81cd529279ca.
---
 pkgs/top-level/all-packages.nix | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6155a0f10347..5aa2a931c831 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4316,10 +4316,9 @@ with pkgs;
   ghc =
     targetPackages.haskellPackages.ghc or (
       # Prefer native-bignum to avoid linking issues with gmp;
-      # TemplateHaskell doesn't work with hadrian built GHCs yet
-      # https://github.com/NixOS/nixpkgs/issues/275304
-      if stdenv.targetPlatform.isStatic then
-        haskell.compiler.native-bignum.ghc94
+      # GHC 9.10 doesn't work too well with iserv-proxy.
+      if stdenv.hostPlatform.isStatic then
+        haskell.packages.native-bignum.ghc912
       # JS backend can't use GMP
       else if stdenv.targetPlatform.isGhcjs then
         haskell.compiler.native-bignum.ghc910