Add gmock into our dependencies.

third_party/boost/boost/config/stdlib/sgi.hpp

Index: third_party/boost/boost/config/stdlib/sgi.hpp
diff --git a/third_party/boost/boost/config/stdlib/sgi.hpp b/third_party/boost/boost/config/stdlib/sgi.hpp
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index 0000000000000000000000000000000000000000..f3fa05b260363fa489b23886138d0dba65514991
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+//  (C) Copyright John Maddock 2001 - 2003. 
+//  (C) Copyright Darin Adler 2001. 
+//  (C) Copyright Jens Maurer 2001 - 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.
+
+//  generic SGI STL:
+
+#if !defined(__STL_CONFIG_H)
+#  include <boost/config/no_tr1/utility.hpp>
+#  if !defined(__STL_CONFIG_H)
+#      error "This is not the SGI STL!"
+#  endif
+#endif
+
+//
+// No std::iterator traits without partial specialisation:
+//
+#if !defined(__STL_CLASS_PARTIAL_SPECIALIZATION)
+#  define BOOST_NO_STD_ITERATOR_TRAITS
+#endif
+
+//
+// No std::stringstream with gcc < 3
+//
+#if defined(__GNUC__) && (__GNUC__ < 3) && \
+     ((__GNUC_MINOR__ < 95) || (__GNUC_MINOR__ == 96)) && \
+     !defined(__STL_USE_NEW_IOSTREAMS) || \
+   defined(__APPLE_CC__)
+   // Note that we only set this for GNU C++ prior to 2.95 since the
+   // latest patches for that release do contain a minimal <sstream>
+   // If you are running a 2.95 release prior to 2.95.3 then this will need
+   // setting, but there is no way to detect that automatically (other
+   // than by running the configure script).
+   // Also, the unofficial GNU C++ 2.96 included in RedHat 7.1 doesn't
+   // have <sstream>.
+#  define BOOST_NO_STRINGSTREAM
+#endif
+
+//
+// Assume no std::locale without own iostreams (this may be an
+// incorrect assumption in some cases):
+//
+#if !defined(__SGI_STL_OWN_IOSTREAMS) && !defined(__STL_USE_NEW_IOSTREAMS)
+#  define BOOST_NO_STD_LOCALE
+#endif
+
+//
+// Original native SGI streams have non-standard std::messages facet:
+//
+#if defined(__sgi) && (_COMPILER_VERSION <= 650) && !defined(__SGI_STL_OWN_IOSTREAMS)
+#  define BOOST_NO_STD_LOCALE
+#endif
+
+//
+// SGI's new iostreams have missing "const" in messages<>::open
+//
+#if defined(__sgi) && (_COMPILER_VERSION <= 740) && defined(__STL_USE_NEW_IOSTREAMS)
+#  define BOOST_NO_STD_MESSAGES
+#endif
+
+//
+// No template iterator constructors, or std::allocator
+// without member templates:
+//
+#if !defined(__STL_MEMBER_TEMPLATES)
+#  define BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
+#  define BOOST_NO_STD_ALLOCATOR
+#endif
+
+//
+// We always have SGI style hash_set, hash_map, and slist:
+//
+#define BOOST_HAS_HASH
+#define BOOST_HAS_SLIST
+
+//
+// If this is GNU libstdc++2, then no <limits> and no std::wstring:
+//
+#if (defined(__GNUC__) && (__GNUC__ < 3))
+#  include <string>
+#  if defined(__BASTRING__)
+#     define BOOST_NO_LIMITS
+// Note: <boost/limits.hpp> will provide compile-time constants
+#     undef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
+#     define BOOST_NO_STD_WSTRING
+#  endif
+#endif
+
+//
+// There is no standard iterator unless we have namespace support:
+//
+#if !defined(__STL_USE_NAMESPACES)
+#  define BOOST_NO_STD_ITERATOR
+#endif
+
+//
+// Intrinsic type_traits support.
+// The SGI STL has it's own __type_traits class, which
+// has intrinsic compiler support with SGI's compilers.
+// Whatever map SGI style type traits to boost equivalents:
+//
+#define BOOST_HAS_SGI_TYPE_TRAITS
+
+#define BOOST_STDLIB "SGI standard library"
+
+
+