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1 | /* |
2 | * This file is part of PowerDNS or dnsdist. | |
3 | * Copyright -- PowerDNS.COM B.V. and its contributors | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of version 2 of the GNU General Public License as | |
7 | * published by the Free Software Foundation. | |
8 | * | |
9 | * In addition, for the avoidance of any doubt, permission is granted to | |
10 | * link this program with OpenSSL and to (re)distribute the binaries | |
11 | * produced as the result of such linking. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
21 | */ | |
22 | ||
23 | #pragma once | |
24 | ||
25 | // apple compiler somehow has string_view even in c++11! | |
ae69f67e | 26 | #if __cplusplus < 201703L && !defined(__APPLE__) && !defined(__OpenBSD__) |
8b5f4644 RG |
27 | #include <boost/version.hpp> |
28 | #if BOOST_VERSION >= 106100 | |
29 | #include <boost/utility/string_view.hpp> | |
30 | using boost::string_view; | |
31 | #else | |
32 | #include <boost/utility/string_ref.hpp> | |
33 | using string_view = boost::string_ref; | |
34 | #endif | |
35 | #else // C++17 | |
36 | using std::string_view; | |
37 | #endif |