From b51fd13e16f29d4fc1f556cb995a482683bb17c1 Mon Sep 17 00:00:00 2001
From: John Titor <50095635+JohnRTitor@users.noreply.github.com>
Date: Fri, 22 Nov 2024 18:08:58 +0530
Subject: [PATCH] scx.cscheds: split into multiple outputs

Copy the compiled headers of bpftool and libbpf to dev output
As they will be needed in rust schedulers
---
 pkgs/os-specific/linux/scx/scx_cscheds.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkgs/os-specific/linux/scx/scx_cscheds.nix b/pkgs/os-specific/linux/scx/scx_cscheds.nix
index b26829e3db7f..a6e12b4abf6a 100644
--- a/pkgs/os-specific/linux/scx/scx_cscheds.nix
+++ b/pkgs/os-specific/linux/scx/scx_cscheds.nix
@@ -101,6 +101,17 @@ mkScxScheduler "c" {
     "stackprotector"
   ];
 
+  # We copy the compiled header files to the dev output
+  # These are needed for the rust schedulers
+  preInstall = ''
+    mkdir -p ${placeholder "dev"}/libbpf
+    mkdir -p ${placeholder "dev"}/bpftool
+    cp -r libbpf/* ${placeholder "dev"}/libbpf/
+    cp -r bpftool/* ${placeholder "dev"}/bpftool/
+  '';
+
+  outputs = [ "bin" "dev" "out" ];
+
   meta = {
     description = "Sched-ext C userspace schedulers";
     longDescription = ''