From 334442fafe069f941aa843157e82f3fae01c6d5a Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Thu, 3 Jun 2021 13:57:25 -0700
Subject: [PATCH] linuxPackages.ati_drivers_x11: move to alias set

---
 pkgs/top-level/all-packages.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 88e6731df859..70bfe8415734 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -20625,8 +20625,6 @@ in
 
     bbswitch = callPackage ../os-specific/linux/bbswitch {};
 
-    ati_drivers_x11 = throw "ati drivers are no longer supported by any kernel >=4.1"; # added 2021-05-18
-
     chipsec = callPackage ../tools/security/chipsec {
       inherit kernel;
       withDriver = true;
@@ -20798,6 +20796,9 @@ in
     zfs = zfsStable;
 
     can-isotp = callPackage ../os-specific/linux/can-isotp { };
+  } // lib.optionalAttrs (config.allowAliases or false) {
+    # aliases or removed packages
+    ati_drivers_x11 = throw "ati drivers are no longer supported by any kernel >=4.1"; # added 2021-05-18
   });
 
   # The current default kernel / kernel modules.