From 62d3c6d4266827b251e46f4ec886c42c4ca92388 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <doug.gregor@gmail.com>
Date: Sat, 6 Oct 2001 20:28:27 +0000
Subject: [PATCH] Fix for BOOST_NO_STD_ALLOCATOR when std::allocator doesn't
 even exist

[SVN r11349]
---
 include/boost/function/function_template.hpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/include/boost/function/function_template.hpp b/include/boost/function/function_template.hpp
index 09050d1..b31921b 100644
--- a/include/boost/function/function_template.hpp
+++ b/include/boost/function/function_template.hpp
@@ -28,6 +28,13 @@
 #  define BOOST_FUNCTION_INIT , invoker(0)
 #endif // BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
 
+// Type of the default allocator
+#ifndef BOOST_NO_STD_ALLOCATOR
+#  define BOOST_FUNCTION_DEFAULT_ALLOCATOR std::allocator<function_base>
+#else
+#  define BOOST_FUNCTION_DEFAULT_ALLOCATOR void
+#endif // BOOST_NO_STD_ALLOCATOR
+
 namespace boost {
   namespace detail {
     namespace function {
@@ -417,7 +424,7 @@ namespace boost {
     BOOST_FUNCTION_TEMPLATE_PARMS,
     typename Policy    = empty_function_policy,
     typename Mixin     = empty_function_mixin,
-    typename Allocator = std::allocator<function_base>
+    typename Allocator = BOOST_FUNCTION_DEFAULT_ALLOCATOR
   >
   class BOOST_FUNCTION_FUNCTION : public function_base, public Mixin
   {
@@ -727,4 +734,5 @@ namespace boost {
 }
 
 // Cleanup after ourselves...
+#undef BOOST_FUNCTION_DEFAULT_ALLOCATOR
 #undef BOOST_FUNCTION_INIT