From f4933e2243b75daa16ff062f73cb6c5e750536a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Sat, 25 Mar 2023 09:54:06 +0100
Subject: [PATCH] ndn-tools: fix build after libpcap update

---
 pkgs/tools/networking/ndn-tools/default.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkgs/tools/networking/ndn-tools/default.nix b/pkgs/tools/networking/ndn-tools/default.nix
index 425ddb440435..1cbc6d403a9d 100644
--- a/pkgs/tools/networking/ndn-tools/default.nix
+++ b/pkgs/tools/networking/ndn-tools/default.nix
@@ -21,6 +21,17 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-28sPgo2nq5AhIzZmvDz38echGPzKDzNm2J6iIao4yL8=";
   };
 
+  # Hacky workaround for new pcap-config.
+  postPatch = ''
+    patch -p1 <<EOF
+      --- a/tools/dump/wscript
+      +++ b/tools/dump/wscript
+      @@ -5 +5 @@
+      -    conf.check_cfg(package='libpcap', uselib_store='PCAP',
+      +    conf.check_cfg(package="", uselib_store='PCAP',
+    EOF
+  '';
+
   nativeBuildInputs = [ pkg-config sphinx wafHook ];
   buildInputs = [ libpcap ndn-cxx openssl ];