From 4b4fe9bb3d25ce1e2f149cbbf47fdb651d236ce2 Mon Sep 17 00:00:00 2001
From: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
Date: Tue, 7 Oct 2025 17:32:01 +0200
Subject: [PATCH] Add hwloc test with sys-devices feature

---
 overlay.nix         | 2 +-
 test/bugs/hwloc.nix | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/overlay.nix b/overlay.nix
index 6d2af14b..d54ea481 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -62,7 +62,7 @@ let
   };
 
   tests = rec {
-    #hwloc = callPackage ./test/bugs/hwloc.nix { }; # Broken, no /sys
+    hwloc = callPackage ./test/bugs/hwloc.nix { };
     #sigsegv = callPackage ./test/reproducers/sigsegv.nix { };
     hello-c = callPackage ./test/compilers/hello-c.nix { };
     hello-cpp = callPackage ./test/compilers/hello-cpp.nix { };
diff --git a/test/bugs/hwloc.nix b/test/bugs/hwloc.nix
index 2546d3d6..8dd73d37 100644
--- a/test/bugs/hwloc.nix
+++ b/test/bugs/hwloc.nix
@@ -6,6 +6,7 @@
 
 stdenv.mkDerivation {
   name = "hwloc-test";
+  requiredSystemFeatures = [ "sys-devices" ];
 
   src = ./.;
 
@@ -14,7 +15,7 @@ stdenv.mkDerivation {
   buildPhase = ''
     ls -l /sys
     gcc -lhwloc hwloc.c -o hwloc
-    strace ./hwloc
+    strace ./hwloc > $out
   '';
 
 }