From 8ea70323b95ff8f2972185df22af0d8eb7d27b07 Mon Sep 17 00:00:00 2001
From: flexxyfluxx <82163962+flexxyfluxx@users.noreply.github.com>
Date: Sat, 25 Oct 2025 10:55:51 +0000
Subject: [PATCH] ghdl-llvm: re-pin LLVM

Supports only up to LLVM version 20 (see their [`configure` script]: <https://github.com/ghdl/ghdl/blob/v5.1.1/configure#L312-L327>), but un-pinned version in nixpkgs is version 21.
---
 pkgs/top-level/all-packages.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e474e7028100..7119ff6c5cbe 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4878,7 +4878,7 @@ with pkgs;
 
   ghdl-llvm = callPackage ../by-name/gh/ghdl/package.nix {
     backend = "llvm";
-    inherit (llvmPackages) llvm;
+    inherit (llvmPackages_20) llvm;
   };
 
   gcc-arm-embedded = gcc-arm-embedded-14;