Add gmock into our dependencies.

third_party/boost/boost/type_traits/config.hpp

Index: third_party/boost/boost/type_traits/config.hpp
diff --git a/third_party/boost/boost/type_traits/config.hpp b/third_party/boost/boost/type_traits/config.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..7f98789b1ffa51d94bc1f0e66b4dbb023e1da2e1
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+++ b/third_party/boost/boost/type_traits/config.hpp
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+
+//  (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
+//  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/libs/type_traits for most recent version including documentation.
+
+#ifndef BOOST_TT_CONFIG_HPP_INCLUDED
+#define BOOST_TT_CONFIG_HPP_INCLUDED
+
+#ifndef BOOST_CONFIG_HPP
+#include <boost/config.hpp>
+#endif
+
+#include <boost/detail/workaround.hpp>
+
+//
+// whenever we have a conversion function with elipses
+// it needs to be declared __cdecl to suppress compiler
+// warnings from MS and Borland compilers (this *must*
+// appear before we include is_same.hpp below):
+#if defined(BOOST_MSVC) || (defined(__BORLANDC__) && !defined(BOOST_DISABLE_WIN32))
+#   define BOOST_TT_DECL __cdecl
+#else
+#   define BOOST_TT_DECL /**/
+#endif
+
+# if (BOOST_WORKAROUND(__MWERKS__, < 0x3000)                         \
+    || BOOST_WORKAROUND(BOOST_MSVC, <= 1301)                        \
+    || !defined(__EDG_VERSION__) && BOOST_WORKAROUND(__GNUC__, < 3) \
+    || BOOST_WORKAROUND(__IBMCPP__, < 600 )                         \
+    || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))       \
+    || defined(__ghs)                                               \
+    || BOOST_WORKAROUND(__HP_aCC, < 60700)           \
+    || BOOST_WORKAROUND(MPW_CPLUS, BOOST_TESTED_AT(0x890))          \
+    || BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x580)))       \
+    && defined(BOOST_NO_IS_ABSTRACT)
+
+#   define BOOST_TT_NO_CONFORMING_IS_CLASS_IMPLEMENTATION 1
+
+#endif
+
+#ifndef BOOST_TT_NO_CONFORMING_IS_CLASS_IMPLEMENTATION
+# define BOOST_TT_HAS_CONFORMING_IS_CLASS_IMPLEMENTATION 1
+#endif
+
+//
+// Define BOOST_TT_NO_ELLIPSIS_IN_FUNC_TESTING 
+// when we can't test for function types with elipsis:
+//
+#if BOOST_WORKAROUND(__GNUC__, < 3)
+#  define BOOST_TT_NO_ELLIPSIS_IN_FUNC_TESTING
+#endif
+
+//
+// define BOOST_TT_TEST_MS_FUNC_SIGS
+// when we want to test __stdcall etc function types with is_function etc
+// (Note, does not work with Borland, even though it does support __stdcall etc):
+//
+#if defined(_MSC_EXTENSIONS) && !defined(__BORLANDC__)
+#  define BOOST_TT_TEST_MS_FUNC_SIGS
+#endif
+
+//
+// define BOOST_TT_NO_CV_FUNC_TEST
+// if tests for cv-qualified member functions don't 
+// work in is_member_function_pointer
+//
+#if BOOST_WORKAROUND(__MWERKS__, < 0x3000) || BOOST_WORKAROUND(__IBMCPP__, <= 600)
+#  define BOOST_TT_NO_CV_FUNC_TEST
+#endif
+
+#endif // BOOST_TT_CONFIG_HPP_INCLUDED
+
+