Switch g++7 to c++14 mode due to a bug with c++17

Conditionally disable tests using deprecated/removed C++98 binders.

.travis.yml

@@ -0,0 +1,140 @@
+# Copyright 2016, 2017 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
+
+python: "2.7"
+
+os:
+  - linux
+  - osx
+
+branches:
+  only:
+    - master
+    - develop
+
+env:
+  matrix:
+    - BOGUS_JOB=true
+
+matrix:
+
+  exclude:
+    - env: BOGUS_JOB=true
+
+  include:
+    - os: linux
+      compiler: g++
+      env: TOOLSET=gcc COMPILER=g++ CXXSTD=c++03
+
+    - os: linux
+      compiler: g++-4.7
+      env: TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=c++11
+      addons:
+        apt:
+          packages:
+            - g++-4.7
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      compiler: g++-5
+      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14
+      addons:
+        apt:
+          packages:
+            - g++-5
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      compiler: g++-6
+      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14
+      addons:
+        apt:
+          packages:
+            - g++-6
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      dist: trusty
+      compiler: g++-7
+      env: TOOLSET=gcc COMPILER=g++-7 CXXSTD=c++14
+      addons:
+        apt:
+          packages:
+            - g++-7
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      compiler: clang++
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++03
+
+    - os: linux
+      compiler: clang++
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++11
+
+    - os: linux
+      compiler: clang++-3.5
+      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=c++14
+      addons:
+        apt:
+          packages:
+            - clang-3.5
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.5
+
+    - os: linux
+      compiler: clang++-3.9
+      env: TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=c++1z
+      addons:
+        apt:
+          packages:
+            - clang-3.9
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.9
+
+    - os: osx
+      compiler: clang++
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++03
+
+    - os: osx
+      compiler: clang++
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++11
+
+    - os: osx
+      compiler: clang++
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14
+
+    - os: osx
+      compiler: clang++
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++1z
+
+install:
+  - cd ..
+  - git clone -b $TRAVIS_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+  - cd boost-root
+  - git submodule update --init tools/build
+  - git submodule update --init libs/config
+  - git submodule update --init tools/boostdep
+  - cp -r $TRAVIS_BUILD_DIR/* libs/function
+  - python tools/boostdep/depinst/depinst.py function
+  - ./bootstrap.sh
+  - ./b2 headers
+
+script:
+  - |-
+    echo "using $TOOLSET : : $COMPILER : <cxxflags>-std=$CXXSTD ;" > ~/user-config.jam
+  - ./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();
+}

test/std_bind_cxx98.cpp

@@ -20,11 +20,12 @@ int X::foo(int x) { return -x; }
 
 int main()
 {
+#ifndef BOOST_NO_CXX98_BINDERS
       boost::function<int (int)> f;
   X x;
   f = std::bind1st(
         std::mem_fun(&X::foo), &x);
   f(5); // Call x.foo(5)
-
+#endif
     return 0;
 }

test/std_bind_portable.cpp

@@ -20,11 +20,12 @@ int X::foo(int x) { return -x; }
 
 int main()
 {
+#ifndef BOOST_NO_CXX98_BINDERS
       boost::function1<int, int> f;
   X x;
   f = std::bind1st(
         std::mem_fun(&X::foo), &x);
   f(5); // Call x.foo(5)
-
+#endif
     return 0;
 }