From 5f0b5cc16e7ce444f72b4c1fba0fc772140d9791 Mon Sep 17 00:00:00 2001
From: Maximilian Bosch <maximilian@mbosch.me>
Date: Sun, 9 Oct 2022 11:04:02 +0200
Subject: [PATCH] lxcfs: fix build w/glibc-2.36

The functions pidfd_open & pidfd_send_signal are now part of `glibc`,
but defined in the header `sys/pidfd.h` which is not included in
`bindings.c`.

Failing Hydra build: https://hydra.nixos.org/build/193376808
---
 pkgs/os-specific/linux/lxcfs/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/os-specific/linux/lxcfs/default.nix b/pkgs/os-specific/linux/lxcfs/default.nix
index 67e96289e2ab..70d84d6311c4 100644
--- a/pkgs/os-specific/linux/lxcfs/default.nix
+++ b/pkgs/os-specific/linux/lxcfs/default.nix
@@ -14,6 +14,10 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-+wp29GD+toXGfQbPGYbDJ7/P+FY1uQY4uK3OQxTE9GM=";
   };
 
+  postPatch = ''
+    sed -i -e '1i #include <sys/pidfd.h>' src/bindings.c
+  '';
+
   nativeBuildInputs = [ pkg-config help2man autoreconfHook makeWrapper ];
   buildInputs = [ fuse ];