xorg.*: disable relro/bindnow hardening

Breaks the module system at runtime otherwise.

pkgs/servers/x11/xorg/builder.sh

@@ -46,7 +46,4 @@ fi
 
 enableParallelBuilding=1
 
-# breaks module loading
-hardeningDisable="bindnow"
-
 genericBuild

pkgs/servers/x11/xorg/default.nix

@@ -9,7 +9,9 @@ let
   mkDerivation = name: attrs:
     let newAttrs = (overrides."${name}" or (x: x)) attrs;
         stdenv = newAttrs.stdenv or args.stdenv;
-    in stdenv.mkDerivation (removeAttrs newAttrs [ "stdenv" ]);
+      in stdenv.mkDerivation ((removeAttrs newAttrs [ "stdenv" ]) // {
+        hardeningDisable = [ "bindnow" "relro" ];
+      });
 
   overrides = import ./overrides.nix {inherit args xorg;};
 

pkgs/servers/x11/xorg/overrides.nix

@@ -430,7 +430,6 @@ in
                                         # and there are no fonts in this package anyway
           "--enable-glamor"
         ];
-        hardeningDisable = [ "relro" ];
         postInstall = ''
           rm -fr $out/share/X11/xkb/compiled
           ln -s /var/tmp $out/share/X11/xkb/compiled