From 5dbbd0fdb9a343554112a846b392803f11c13197 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 11 Jan 2018 12:33:22 +0330
Subject: [PATCH] Move the #define of _GNU_SOURCE to the top of hb-private.hh
 (#697)

This fixes the build on Cygwin.
---
 src/hb-private.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 9a1f2c514..9cad56855 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -29,6 +29,8 @@
 #ifndef HB_PRIVATE_HH
 #define HB_PRIVATE_HH
 
+#define _GNU_SOURCE 1
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -87,8 +89,6 @@ extern "C" void  hb_free_impl(void *ptr);
 
 #endif // __cplusplus < 201103L
 
-#define _GNU_SOURCE 1
-
 #if (defined(__GNUC__) || defined(__clang__)) && defined(__OPTIMIZE__)
 #define likely(expr) (__builtin_expect (!!(expr), 1))
 #define unlikely(expr) (__builtin_expect (!!(expr), 0))