From 1dda4a087c5faacc62433871bf5f66c2b1aa34fb Mon Sep 17 00:00:00 2001
From: Jonas Heinrich <onny@project-insanity.org>
Date: Sat, 25 Oct 2025 22:45:35 +0200
Subject: [PATCH] stalwart-mail: Fix RiscV cross-compilation

---
 pkgs/by-name/st/stalwart-mail/package.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/st/stalwart-mail/package.nix b/pkgs/by-name/st/stalwart-mail/package.nix
index e99bccc85287..e5b3bf0d62a6 100644
--- a/pkgs/by-name/st/stalwart-mail/package.nix
+++ b/pkgs/by-name/st/stalwart-mail/package.nix
@@ -31,8 +31,12 @@ rustPlatform.buildRustPackage (finalAttrs: {
 
   cargoHash = "sha256-pjmAIC7g8SbMxZvTgaXH8GrRPhITDjC5psJpfT+vV6M=";
 
-  nativeBuildInputs = [
+  depsBuildBuild = [
     pkg-config
+    zstd
+  ];
+
+  nativeBuildInputs = [
     protobuf
     rustPlatform.bindgenHook
   ];