From 154b2c19f392817a936aea0190e276f8228cb489 Mon Sep 17 00:00:00 2001
From: "Erik M. Bray" <erik.bray@lri.fr>
Date: Mon, 12 Dec 2016 13:07:16 +0100
Subject: [PATCH] BUG: xlocale.h is not available in newlib--all the defines
 used here from xlocale.h are instead found in locale.h

Added a feature check for xlocale.h, with fallback to locale.h if it is
missing.
---
 numpy/core/setup_common.py          | 1 +
 numpy/core/src/multiarray/numpyos.c | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

Upstream-Status: Backport
RP 2017/9/6

diff --git a/numpy/core/setup_common.py b/numpy/core/setup_common.py
index ba7521e3043..a1729e65656 100644
--- a/numpy/core/setup_common.py
+++ b/numpy/core/setup_common.py
@@ -113,6 +113,7 @@ def check_api_version(apiversion, codegen_dir):
                 "xmmintrin.h",  # SSE
                 "emmintrin.h",  # SSE2
                 "features.h",  # for glibc version linux
+                "xlocale.h"  # see GH#8367
 ]
 
 # optional gcc compiler builtins and their call arguments and optional a
diff --git a/numpy/core/src/multiarray/numpyos.c b/numpy/core/src/multiarray/numpyos.c
index 450ec40b6e0..84617ea78c3 100644
--- a/numpy/core/src/multiarray/numpyos.c
+++ b/numpy/core/src/multiarray/numpyos.c
@@ -15,7 +15,13 @@
 
 #ifdef HAVE_STRTOLD_L
 #include <stdlib.h>
-#include <xlocale.h>
+#ifdef HAVE_XLOCALE_H
+    /*
+     * the defines from xlocale.h are included in locale.h on some sytems;
+     * see gh-8367
+     */
+    #include <xlocale.h>
+#endif
 #endif