From 9f0215d1896f1d8b2e35195a4b653ff1dff06349 Mon Sep 17 00:00:00 2001
From: Alyssa Ross <hi@alyssa.is>
Date: Tue, 30 Jan 2024 20:32:59 +0100
Subject: [PATCH] pkgsMusl.pam: fix build

---
 pkgs/os-specific/linux/pam/default.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkgs/os-specific/linux/pam/default.nix b/pkgs/os-specific/linux/pam/default.nix
index 116fd06d511c..c956dfad4c64 100644
--- a/pkgs/os-specific/linux/pam/default.nix
+++ b/pkgs/os-specific/linux/pam/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, buildPackages, fetchurl
+{ lib, stdenv, buildPackages, fetchurl, fetchpatch
 , flex, cracklib, db4, gettext, audit, libxcrypt
 , nixosTests
 , autoreconfHook269, pkg-config-unwrapped
@@ -15,6 +15,13 @@ stdenv.mkDerivation rec {
 
   patches = [
     ./suid-wrapper-path.patch
+
+    # Backport fix for missing include breaking musl builds.
+    (fetchpatch {
+      name = "pam_namespace-stdint.h.patch";
+      url = "https://github.com/linux-pam/linux-pam/commit/cc9d40b7cdbd3e15ccaa324a0dda1680ef9dea13.patch";
+      hash = "sha256-tCnH2yPO4dBbJOZA0fP2gm1EavHRMEJyfzB5Vy7YjAA=";
+    })
   ];
 
   # Case-insensitivity workaround for https://github.com/linux-pam/linux-pam/issues/569