From 6f7693e6acf135098c576b1c8ab201fe467793c7 Mon Sep 17 00:00:00 2001
From: Tom Callaway <spot@fedoraproject.org>
Date: Fri, 23 Jun 2017 12:53:10 -0400
Subject: [PATCH] do not try to use xlocale.h

---
 libcxx.spec | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libcxx.spec b/libcxx.spec
index 9c5e626..7cf9cf5 100644
--- a/libcxx.spec
+++ b/libcxx.spec
@@ -9,6 +9,7 @@ Summary:	C++ standard library targeting C++11
 License:	MIT or NCSA
 URL:		http://libcxx.llvm.org/
 Source0:	http://llvm.org/releases/%{version}/libcxx-%{version}.src.tar.xz
+Patch0:		libcxx-4.0.1-noxlocale.patch
 BuildRequires:	clang llvm-devel cmake llvm-static
 %if %{bootstrap} < 1
 BuildRequires:	libcxxabi-devel
@@ -42,6 +43,10 @@ Summary:	Static libraries for libcxx
 
 %prep
 %setup -q -n %{name}-%{version}.src
+# glibc-2.25.90-8 or newer no longer includes xlocale.h
+%if 0%{?fedora} >= 27
+%patch0 -p1 -b .noxlocale
+%endif
 
 %build
 mkdir _build