libsidplayfp  2.15.0
sidcxx11.h
1 /*
2  * This file is part of libsidplayfp, a SID player engine.
3  *
4  * Copyright 2014-2024 Leandro Nini
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef SIDCXX_H
22 #define SIDCXX_H
23 
24 #ifdef HAVE_CONFIG_H
25 # include "config.h"
26 #endif
27 
28 
29 #ifdef HAVE_CXX23
30 # define HAVE_CXX20
31 #endif
32 
33 #ifdef HAVE_CXX20
34 # define HAVE_CXX17
35 # define LIKELY [[ likely ]]
36 # define UNLIKELY [[ unlikely ]]
37 #else
38 # define LIKELY
39 # define UNLIKELY
40 #endif
41 
42 #ifdef HAVE_CXX17
43 # define HAVE_CXX14
44 # define MAYBE_UNUSED [[ maybe_unused ]]
45 #else
46 # define MAYBE_UNUSED
47 #endif
48 
49 #ifdef HAVE_CXX14
50 # define HAVE_CXX11
51 # define MAKE_UNIQUE(type, ...) std::make_unique<type>(__VA_ARGS__)
52 #else
53 # define MAKE_UNIQUE(type, ...) std::unique_ptr<type>(new type(__VA_ARGS__))
54 #endif
55 
56 #ifndef HAVE_CXX11
57 # error "This is not a C++11 compiler"
58 #endif
59 
60 
61 #endif