isle/util/compat.h
2024-01-18 13:39:26 -05:00

33 lines
1 KiB
C

#ifndef COMPAT_H
#define COMPAT_H
// Various macros to enable compiling with other/newer compilers.
#if defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER >= 1100)
#define COMPAT_MODE
#endif
// Use `COMPAT_CONST` where something ought to be 'const', and a newer compiler would complain if it
// wasn't, but we know it isn't 'const' in the original code.
#if defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER >= 1100)
#define COMPAT_CONST const
#else
#define COMPAT_CONST
#endif
// Disable "identifier was truncated to '255' characters" warning.
// Impossible to avoid this if using STL map or set.
// This removes most (but not all) occurrences of the warning.
#pragma warning(disable : 4786)
#define MSVC420_VERSION 1020
// We use `override` so newer compilers can tell us our vtables are valid,
// however this keyword was added in C++11, so we define it as empty for
// compatibility with older compilers.
#if __cplusplus < 201103L
#define override
#define static_assert(expr, msg)
#endif
#endif // COMPAT_H