From 90c67ea36a8396ed39bd3595d57431f6894d9745 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Tue, 9 Jan 2018 08:10:41 -0600
Subject: [PATCH 1/3] whois: 5.2.18 -> 5.2.20

---
 pkgs/tools/networking/whois/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/networking/whois/default.nix b/pkgs/tools/networking/whois/default.nix
index ed8f2eebc75..d73c5624aec 100644
--- a/pkgs/tools/networking/whois/default.nix
+++ b/pkgs/tools/networking/whois/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchFromGitHub, perl, gettext }:
 
 stdenv.mkDerivation rec {
-  version = "5.2.18";
+  version = "5.2.20";
   name = "whois-${version}";
 
   src = fetchFromGitHub {
     owner = "rfc1036";
     repo = "whois";
     rev = "v${version}";
-    sha256 = "0jzyq1rj6balc6a28swzgspv55xhkc75dw6wsn159in4ap61bzmi";
+    sha256 = "1aamasivfnghr9my1j6c1rf0dfal45axjcjf3mpv0g942bkxqp5b";
   };
 
   buildInputs = [ perl gettext ];

From 364b21925fe4aa6b305a5bdd1a709aea2ee89e2d Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Tue, 9 Jan 2018 08:22:58 -0600
Subject: [PATCH 2/3] whois: use libidn2 to support various 'international'
 domains

---
 pkgs/tools/networking/whois/default.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/networking/whois/default.nix b/pkgs/tools/networking/whois/default.nix
index d73c5624aec..bbee69e0c91 100644
--- a/pkgs/tools/networking/whois/default.nix
+++ b/pkgs/tools/networking/whois/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, perl, gettext }:
+{ stdenv, fetchFromGitHub, perl, gettext, pkgconfig, libidn2 }:
 
 stdenv.mkDerivation rec {
   version = "5.2.20";
@@ -11,7 +11,8 @@ stdenv.mkDerivation rec {
     sha256 = "1aamasivfnghr9my1j6c1rf0dfal45axjcjf3mpv0g942bkxqp5b";
   };
 
-  buildInputs = [ perl gettext ];
+  nativeBuildInputs = [ perl gettext pkgconfig ];
+  buildInputs = [ libidn2 ];
 
   preConfigure = ''
     for i in Makefile po/Makefile; do

From eb7af7a82b9823d38a2dfdfa9bcd0093c18abaeb Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Tue, 9 Jan 2018 08:38:43 -0600
Subject: [PATCH 3/3] whois: prefer not overwriting phases, use libiconv

---
 pkgs/tools/networking/whois/default.nix | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/pkgs/tools/networking/whois/default.nix b/pkgs/tools/networking/whois/default.nix
index bbee69e0c91..30ecf617873 100644
--- a/pkgs/tools/networking/whois/default.nix
+++ b/pkgs/tools/networking/whois/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, perl, gettext, pkgconfig, libidn2 }:
+{ stdenv, fetchFromGitHub, perl, gettext, pkgconfig, libidn2, libiconv }:
 
 stdenv.mkDerivation rec {
   version = "5.2.20";
@@ -12,17 +12,20 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ perl gettext pkgconfig ];
-  buildInputs = [ libidn2 ];
+  buildInputs = [ libidn2 libiconv ];
 
   preConfigure = ''
     for i in Makefile po/Makefile; do
       substituteInPlace $i --replace "prefix = /usr" "prefix = $out"
     done
+
+    substituteInPlace Makefile --replace "DEFS += HAVE_ICONV" "DEFS += HAVE_ICONV\nwhois_LDADD += -liconv"
   '';
 
-  buildPhase = "make whois";
+  makeFlags = [ "HAVE_ICONV=1" ];
+  buildFlags = [ "whois" ];
 
-  installPhase = "make install-whois";
+  installTargets = [ "install-whois" ];
 
   meta = with stdenv.lib; {
     description = "Intelligent WHOIS client from Debian";