From 1e923ee61f2b4f6c821de291f38d187f79b89bab Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Mon, 22 May 2023 20:53:20 +0300
Subject: [PATCH] halfempty: fix build on darwin

---
 pkgs/development/tools/halfempty/default.nix | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/tools/halfempty/default.nix b/pkgs/development/tools/halfempty/default.nix
index 35fdf7702a8..113647da9ff 100644
--- a/pkgs/development/tools/halfempty/default.nix
+++ b/pkgs/development/tools/halfempty/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, pkg-config, glib, util-linux, scowl }:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, pkg-config, glib, hexdump, scowl }:
 
 stdenv.mkDerivation rec {
   pname = "halfempty";
@@ -11,9 +11,11 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-YGq6fneAMo2jCpLPrjzRJ0eeOsStKaK5L+lwQfqcfpY=";
   };
 
-  nativeBuildInputs = [ pkg-config util-linux ];
+  nativeBuildInputs = [ pkg-config hexdump ];
   buildInputs = [ glib ];
 
+  makeFlags = [ "CC=${stdenv.cc.targetPrefix}cc" ];
+
   enableParallelBuilding = true;
 
   patches = [
@@ -41,5 +43,6 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/googleprojectzero/halfempty/";
     maintainers = with lib.maintainers; [ fpletz ];
     license = with lib.licenses; [ asl20 ];
+    platforms = lib.platforms.unix;
   };
 }