From 07eb3a2c9f287230f37520a7359466e0387cfd17 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sat, 30 Dec 2017 09:56:21 +0100
Subject: [PATCH] exim: add optional LDAP support

---
 pkgs/servers/mail/exim/default.nix | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/pkgs/servers/mail/exim/default.nix b/pkgs/servers/mail/exim/default.nix
index 45ac738c5bb..818e6ee8638 100644
--- a/pkgs/servers/mail/exim/default.nix
+++ b/pkgs/servers/mail/exim/default.nix
@@ -1,4 +1,6 @@
-{ coreutils, fetchurl, db, openssl, pcre, perl, pkgconfig, stdenv }:
+{ coreutils, db, fetchurl, openldap, openssl, pcre, perl, pkgconfig, stdenv
+, enableLDAP ? false
+}:
 
 stdenv.mkDerivation rec {
   name = "exim-4.90";
@@ -9,7 +11,8 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ coreutils db openssl pcre perl ];
+  buildInputs = [ coreutils db openssl pcre perl ]
+    ++ stdenv.lib.optional enableLDAP openldap;
 
   preBuild = ''
     sed '
@@ -33,6 +36,11 @@ stdenv.mkDerivation rec {
       s:^# \(RM_COMMAND\)=.*:\1=${coreutils}/bin/rm:
       s:^# \(TOUCH_COMMAND\)=.*:\1=${coreutils}/bin/touch:
       s:^# \(PERL_COMMAND\)=.*:\1=${perl}/bin/perl:
+      ${stdenv.lib.optionalString enableLDAP ''
+        s:^# \(LDAP_LIB_TYPE=OPENLDAP2\)$:\1:
+        s:^# \(LOOKUP_LDAP=yes\)$:\1:
+        s:^# \(LOOKUP_LIBS\)=.*:\1=-lldap:
+      ''}
       #/^\s*#.*/d
       #/^\s*$/d
     ' < src/EDITME > Local/Makefile