From 9ec3bea2d6e2c4e92798dad6dc4679d287202f61 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Micha=C3=ABl=20Celerier?=
 <jeanmichael.celerier@gmail.com>
Date: Fri, 23 Sep 2016 16:39:58 +0200
Subject: [PATCH] Add FMT_OVERRIDE macro to allow specifying overriding
 functions in c++11 compilers

---
 fmt/format.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/fmt/format.h b/fmt/format.h
index 0f471cc4..55361ecd 100644
--- a/fmt/format.h
+++ b/fmt/format.h
@@ -194,6 +194,17 @@ typedef __int64          intmax_t;
 # endif
 #endif
 
+#ifndef FMT_OVERRIDE
+# if FMT_USE_OVERRIDE || FMT_HAS_FEATURE(cxx_override) || \
+   (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || \
+   FMT_MSC_VER >= 1900
+#  define FMT_OVERRIDE override
+# else
+#  define FMT_OVERRIDE
+# endif
+#endif
+
+
 // A macro to disallow the copy constructor and operator= functions
 // This should be used in the private: declarations for a class
 #ifndef FMT_USE_DELETED_FUNCTIONS
@@ -678,7 +689,7 @@ class MemoryBuffer : private Allocator, public Buffer<T> {
   }
 
  protected:
-  void grow(std::size_t size);
+  void grow(std::size_t size) FMT_OVERRIDE;
 
  public:
   explicit MemoryBuffer(const Allocator &alloc = Allocator())