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diff --git a/indexlib/boost-compat/config/compiler/gcc.h b/indexlib/boost-compat/config/compiler/gcc.h
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+++ b/indexlib/boost-compat/config/compiler/gcc.h
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+//  (C) Copyright John Maddock 2001 - 2003. 
+//  (C) Copyright Darin Adler 2001 - 2002. 
+//  (C) Copyright Jens Maurer 2001 - 2002. 
+//  (C) Copyright Beman Dawes 2001 - 2003. 
+//  (C) Copyright Douglas Gregor 2002. 
+//  (C) Copyright David Abrahams 2002 - 2003. 
+//  (C) Copyright Synge Todo 2003. 
+//  Use, modification and distribution are subject to the 
+//  Boost Software License, Version 1.0. (See accompanying file 
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org for most recent version.
+
+//  GNU C++ compiler setup:
+
+#   if __GNUC__ == 2 && __GNUC_MINOR__ == 91
+       // egcs 1.1 won't parse shared_ptr.h without this:
+#      define BOOST_NO_AUTO_PTR
+#   endif
+#   if __GNUC__ == 2 && __GNUC_MINOR__ < 95
+      //
+      // Prior to gcc 2.95 member templates only partly
+      // work - define BOOST_MSVC6_MEMBER_TEMPLATES
+      // instead since inline member templates mostly work.
+      //
+#     define BOOST_NO_MEMBER_TEMPLATES
+#     if __GNUC_MINOR__ >= 9
+#       define BOOST_MSVC6_MEMBER_TEMPLATES
+#     endif
+#   endif
+
+#   if __GNUC__ == 2 && __GNUC_MINOR__ < 96
+#     define BOOST_NO_SFINAE
+#   endif
+
+#   if __GNUC__ == 2 && __GNUC_MINOR__ <= 97
+#     define BOOST_NO_MEMBER_TEMPLATE_FRIENDS
+#     define BOOST_NO_OPERATORS_IN_NAMESPACE
+#   endif
+
+#   if __GNUC__ < 3
+#      define BOOST_NO_USING_DECLARATION_OVERLOADS_FROM_TYPENAME_BASE
+#      define BOOST_FUNCTION_SCOPE_USING_DECLARATION_BREAKS_ADL
+#   endif
+
+#ifndef __EXCEPTIONS
+# define BOOST_NO_EXCEPTIONS
+#endif
+
+//
+// Bug specific to gcc 3.1 and 3.2:
+//
+#if (__GNUC__ == 3) && ((__GNUC_MINOR__ == 1) || (__GNUC_MINOR__ == 2))
+#  define BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS
+#endif
+
+//
+// Threading support: Turn this on unconditionally here (except for
+// those platforms where we can know for sure). It will get turned off again
+// later if no threading API is detected.
+//
+#if !defined(__MINGW32__) && !defined(linux) && !defined(__linux) && !defined(__linux__)
+# define BOOST_HAS_THREADS
+#endif 
+
+//
+// gcc has "long long"
+//
+#define BOOST_HAS_LONG_LONG
+
+//
+// gcc implements the named return value optimization since version 3.1
+//
+#if __GNUC__ > 3 || ( __GNUC__ == 3 && __GNUC_MINOR__ >= 1 )
+#define BOOST_HAS_NRVO
+#endif
+
+#define BOOST_COMPILER "GNU C++ version " __VERSION__
+
+//
+// versions check:
+// we don't know gcc prior to version 2.90:
+#if (__GNUC__ == 2) && (__GNUC_MINOR__ < 90)
+#  error "Compiler not configured - please reconfigure"
+#endif
+//
+// last known and checked version is 3.4:
+#if (__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ > 4))
+#  if defined(BOOST_ASSERT_CONFIG)
+#     error "Unknown compiler version - please run the configure tests and report the results"
+#  else
+#     warning "Unknown compiler version - please run the configure tests and report the results"
+#  endif
+#endif
+
+