From 4e199a91dc49659ea3ecd7f8e174d6ade2a1d717 Mon Sep 17 00:00:00 2001
From: Anders Kaseorg <andersk@mit.edu>
Date: Tue, 15 Feb 2022 21:16:33 -0800
Subject: [PATCH] mesa.drivers: Convert hard links to symlinks

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
---
 pkgs/development/libraries/mesa/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index b91e140345de..de996cf74f33 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -15,6 +15,7 @@
 , enableOSMesa ? stdenv.isLinux
 , enableOpenCL ? stdenv.isLinux && stdenv.isx86_64
 , libclc
+, jdupes
 }:
 
 /** Packaging design:
@@ -233,6 +234,9 @@ self = stdenv.mkDerivation {
       fi
     done
 
+    # NAR doesn't support hard links, so convert them to symlinks.
+    ${jdupes}/bin/jdupes -Hlr "$drivers"
+
     # add RPATH so the drivers can find the moved libgallium and libdricore9
     # moved here to avoid problems with stripping patchelfed files
     for lib in $drivers/lib/*.so* $drivers/lib/*/*.so*; do