From befe8bbe40ab33ab235f0f95ab5298974a89dde3 Mon Sep 17 00:00:00 2001
From: Alyssa Ross <hi@alyssa.is>
Date: Thu, 16 May 2024 14:22:59 +0200
Subject: [PATCH] canokey-qemu: fix build with clang

---
 .../applications/virtualization/qemu/canokey-qemu.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkgs/applications/virtualization/qemu/canokey-qemu.nix b/pkgs/applications/virtualization/qemu/canokey-qemu.nix
index f2bf337bfc50..e98415b188f3 100644
--- a/pkgs/applications/virtualization/qemu/canokey-qemu.nix
+++ b/pkgs/applications/virtualization/qemu/canokey-qemu.nix
@@ -23,6 +23,17 @@ stdenv.mkDerivation rec {
       --replace "COMMAND git describe --always --tags --long --abbrev=8 --dirty >>" "COMMAND echo '$rev' >>"
   '';
 
+  preConfigure = ''
+    cmakeFlagsArray+=(
+      -DCMAKE_C_FLAGS=${lib.escapeShellArg ([
+        "-Wno-error=unused-but-set-parameter"
+        "-Wno-error=unused-but-set-variable"
+      ] ++ lib.optionals stdenv.cc.isClang [
+        "-Wno-error=documentation"
+      ])}
+    )
+  '';
+
   outputs = [ "out" "dev" ];
 
   nativeBuildInputs = [ cmake ];