From 4da4d4bc7bcb17ec91c2ab318ec8175bdf942ae6 Mon Sep 17 00:00:00 2001
From: Ryan Burns <rtburns@protonmail.com>
Date: Wed, 24 Jun 2026 17:36:15 -0700
Subject: [PATCH] llvmPackages_22.libclc: prepare_builtins was removed in LLVM
 22.1

Or more specifically, in:
https://github.com/llvm/llvm-project/commit/f07988ff3ec8b8b838f5c6ce9e1ec519e16432a9
---
 pkgs/development/compilers/llvm/common/libclc/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/llvm/common/libclc/default.nix b/pkgs/development/compilers/llvm/common/libclc/default.nix
index 62a8dff18ec3..69350a9d3834 100644
--- a/pkgs/development/compilers/llvm/common/libclc/default.nix
+++ b/pkgs/development/compilers/llvm/common/libclc/default.nix
@@ -97,7 +97,7 @@ stdenv.mkDerivation (finalAttrs: {
   buildInputs = [ llvm ];
   strictDeps = true;
 
-  postInstall = ''
+  postInstall = lib.optionalString (lib.versionOlder finalAttrs.version "22.1") ''
     install -Dt $dev/bin prepare_builtins
   '';