From 6c3bae563e9e046e4d6d4a89cac10d5a0be34e40 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Mon, 6 Nov 2017 17:05:33 +0100
Subject: [PATCH] icu: fix build with glibc-2.26

---
 pkgs/development/libraries/icu/base.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/libraries/icu/base.nix b/pkgs/development/libraries/icu/base.nix
index 78e0c5740446..b12e76a90a99 100644
--- a/pkgs/development/libraries/icu/base.nix
+++ b/pkgs/development/libraries/icu/base.nix
@@ -25,6 +25,9 @@ stdenv.mkDerivation {
     echo Source root reset to ''${sourceRoot}
   '';
 
+  # https://sourceware.org/glibc/wiki/Release/2.26#Removal_of_.27xlocale.h.27
+  postPatch = "substituteInPlace i18n/digitlst.cpp --replace '<xlocale.h>' '<locale.h>'";
+
   inherit patchFlags patches;
 
   preConfigure = ''