From f588040472b3c0cacd7987aafe2626c7dc65bde4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Thu, 31 Mar 2022 08:33:20 +0200
Subject: [PATCH] powerdns: fix 32-bit builds against glibc

---
 pkgs/servers/dns/pdns/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/servers/dns/pdns/default.nix b/pkgs/servers/dns/pdns/default.nix
index ff057b48bd54..45c15e7edf24 100644
--- a/pkgs/servers/dns/pdns/default.nix
+++ b/pkgs/servers/dns/pdns/default.nix
@@ -20,6 +20,11 @@ stdenv.mkDerivation rec {
     libyamlcpp libsodium curl unixODBC openssl systemd lmdb tinycdb
   ];
 
+  # Configure phase requires 64-bit time_t even on 32-bit platforms.
+  NIX_CFLAGS_COMPILE = lib.optionals stdenv.hostPlaftorm.is32bit [
+    "-D_TIME_BITS=64" "-D_FILE_OFFSET_BITS=64"
+  ];
+
   configureFlags = [
     "--disable-silent-rules"
     "--enable-dns-over-tls"