Remove --depth 1 from git submodule update

Fix gcc 6 warnings about invoking placement new on a buffer of insufficient size.  Tested with gcc-6.1.0 on RHEL, seems okay.

.travis.yml

@@ -0,0 +1,69 @@
+# Copyright 2016 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
+
+language: cpp
+
+sudo: false
+
+os:
+  - linux
+  - osx
+
+branches:
+  only:
+    - master
+    - develop
+
+install:
+  - cd ..
+  - git clone -b $TRAVIS_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+  - cd boost-root
+  - git submodule init libs/algorithm
+  - git submodule init libs/align
+  - git submodule init libs/assert
+  - git submodule init libs/bind
+  - git submodule init libs/chrono
+  - git submodule init libs/config
+  - git submodule init libs/core
+  - git submodule init libs/detail
+  - git submodule init libs/exception
+  - git submodule init libs/integer
+  - git submodule init libs/io
+  - git submodule init libs/iterator
+  - git submodule init libs/lambda
+  - git submodule init libs/move
+  - git submodule init libs/mpl
+  - git submodule init libs/numeric/conversion
+  - git submodule init libs/predef
+  - git submodule init libs/preprocessor
+  - git submodule init libs/range
+  - git submodule init libs/ratio
+  - git submodule init libs/rational
+  - git submodule init libs/smart_ptr
+  - git submodule init libs/static_assert
+  - git submodule init libs/system
+  - git submodule init libs/optional
+  - git submodule init libs/test
+  - git submodule init libs/throw_exception
+  - git submodule init libs/timer
+  - git submodule init libs/tuple
+  - git submodule init libs/type_index
+  - git submodule init libs/type_traits
+  - git submodule init libs/typeof
+  - git submodule init libs/utility
+  - git submodule init libs/winapi
+  - git submodule init tools/build
+  - git submodule update
+  - cp -r $TRAVIS_BUILD_DIR/* libs/function
+  - ./bootstrap.sh
+  - ./b2 headers
+
+script:
+  - TOOLSET=gcc,clang
+  - if [ $TRAVIS_OS_NAME == osx ]; then TOOLSET=clang; fi
+  - ./b2 libs/function/test toolset=$TOOLSET
+
+notifications:
+  email:
+    on_success: always

include/boost/function/function_template.hpp

@@ -656,17 +656,6 @@ namespace boost {
     BOOST_FUNCTION_TEMPLATE_PARMS
   >
   class BOOST_FUNCTION_FUNCTION : public function_base
-
-#if BOOST_FUNCTION_NUM_ARGS == 1
-
-    , public std::unary_function<T0,R>
-
-#elif BOOST_FUNCTION_NUM_ARGS == 2
-
-    , public std::binary_function<T0,T1,R>
-
-#endif
-
   {
   public:
 #ifndef BOOST_NO_VOID_RETURNS

test/Jamfile.v2

@@ -66,6 +66,8 @@ import testing ;
   [ run libs/function/test/rvalues_test.cpp :  :  :  :  ]
 
   [ compile libs/function/test/function_typeof_test.cpp ]
+
+  [ run libs/function/test/result_arg_types_test.cpp ]
  ;
 }
       

test/result_arg_types_test.cpp

@@ -0,0 +1,40 @@
+// Boost.Function library
+
+//  Copyright 2016 Peter Dimov
+
+//  Use, modification and distribution is 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)
+
+#include <boost/function.hpp>
+#include <boost/core/is_same.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+
+struct X
+{
+};
+
+struct Y
+{
+};
+
+struct Z
+{
+};
+
+int main()
+{
+    typedef boost::function<X(Y)> F1;
+
+    BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F1::result_type, X> ));
+    BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F1::argument_type, Y> ));
+
+    typedef boost::function<X(Y, Z)> F2;
+
+    BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::result_type, X> ));
+    BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::first_argument_type, Y> ));
+    BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::second_argument_type, Z> ));
+
+    return boost::report_errors();
+}