From 1d1cebde0fc0cdf57e8032cb39762d8c69567c71 Mon Sep 17 00:00:00 2001
From: FliegendeWurst <arne.keller@posteo.de>
Date: Wed, 8 Jan 2025 12:32:19 +0100
Subject: [PATCH] dpkg: fix cross build

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

diff --git a/pkgs/by-name/dp/dpkg/package.nix b/pkgs/by-name/dp/dpkg/package.nix
index dc12b465987b..0516effef955 100644
--- a/pkgs/by-name/dp/dpkg/package.nix
+++ b/pkgs/by-name/dp/dpkg/package.nix
@@ -49,10 +49,14 @@ stdenv.mkDerivation rec {
     for i in $(find . -name Makefile.in); do
       substituteInPlace $i --replace "install-data-local:" "disabled:" ;
     done
+
+    # Skip check broken when cross-compiling.
+    substituteInPlace configure \
+      --replace-fail 'as_fn_error $? "cannot find a GNU tar program"' "#"
   '';
 
   postPatch = ''
-    patchShebangs .
+    patchShebangs --host .
 
     # Dpkg commands sometimes calls out to shell commands
     substituteInPlace lib/dpkg/dpkg.h \