From c89e5439a168cc2c93c11da7c01563695bba0d0b Mon Sep 17 00:00:00 2001
From: Robin Gloster <mail@glob.in>
Date: Thu, 22 Aug 2019 15:31:32 +0200
Subject: [PATCH] squid: fix build with openssl 1.1

---
 pkgs/servers/squid/default.nix | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/pkgs/servers/squid/default.nix b/pkgs/servers/squid/default.nix
index 69a46533ba5d..72a7fff7c475 100644
--- a/pkgs/servers/squid/default.nix
+++ b/pkgs/servers/squid/default.nix
@@ -1,5 +1,6 @@
 { stdenv, fetchurl, perl, openldap, pam, db, cyrus_sasl, libcap
-, expat, libxml2, openssl }:
+, expat, libxml2, openssl, pkgconfig
+}:
 
 stdenv.mkDerivation rec {
   name = "squid-4.8";
@@ -9,14 +10,11 @@ stdenv.mkDerivation rec {
     sha256 = "0432m0ix046rkja7r7qpydgsm2kf1w393xym15nx6h9kv4jb7kbq";
   };
 
+  nativeBuildInputs = [ pkgconfig ];
   buildInputs = [
     perl openldap db cyrus_sasl expat libxml2 openssl
   ] ++ stdenv.lib.optionals stdenv.isLinux [ libcap pam ];
 
-  prePatch = ''
-    substituteInPlace configure --replace "/usr/local/include/libxml2" "${libxml2.dev}/include/libxml2"
-  '';
-
   configureFlags = [
     "--enable-ipv6"
     "--disable-strict-error-checking"