1 // Copyright 2016 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Copied from http://crrev.com/6ad76b419eacefc4/testing/gmock_custom/gmock/internal/custom/gmock-port.h 6 7 #ifndef TESTING_GMOCK_CUSTOM_GMOCK_INTERNAL_CUSTOM_GMOCK_PORT_H_ 8 #define TESTING_GMOCK_CUSTOM_GMOCK_INTERNAL_CUSTOM_GMOCK_PORT_H_ 9 10 #include <type_traits> 11 12 namespace std { 13 14 // Provide alternative implementation of std::is_default_constructible for 15 // old, pre-4.7 of libstdc++, where is_default_constructible is missing. 16 // <20120322 below implies pre-4.7.0. In addition we blacklist several version 17 // that released after 4.7.0 from pre-4.7.0 branch. 20120702 implies 4.5.4, and 18 // 20121127 implies 4.6.4. 19 #if defined(__GLIBCXX__) && \ 20 (__GLIBCXX__ < 20120322 || \ 21 __GLIBCXX__ == 20120702 || \ 22 __GLIBCXX__ == 20121127) 23 template <typename T> 24 using is_default_constructible = std::is_constructible<T>; 25 #endif 26 27 } 28 29 #endif // TESTING_GMOCK_CUSTOM_GMOCK_INTERNAL_CUSTOM_GMOCK_PORT_H_ 30
