From 20d28e80a5c861a9d5f449ea911ab75b4f37ad0d Mon Sep 17 00:00:00 2001 From: Jef Date: Tue, 24 Sep 2024 14:54:57 +0200 Subject: Initial community commit --- .../openmpt-trunk/common/mptBaseMacros.h | 98 ++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 Src/external_dependencies/openmpt-trunk/common/mptBaseMacros.h (limited to 'Src/external_dependencies/openmpt-trunk/common/mptBaseMacros.h') diff --git a/Src/external_dependencies/openmpt-trunk/common/mptBaseMacros.h b/Src/external_dependencies/openmpt-trunk/common/mptBaseMacros.h new file mode 100644 index 00000000..95380bbd --- /dev/null +++ b/Src/external_dependencies/openmpt-trunk/common/mptBaseMacros.h @@ -0,0 +1,98 @@ +/* + * mptBaseMacros.h + * --------------- + * Purpose: Basic assorted compiler-related helpers. + * Notes : (currently none) + * Authors: OpenMPT Devs + * The OpenMPT source code is released under the BSD license. Read LICENSE for more details. + */ + + +#pragma once + +#include "openmpt/all/BuildSettings.hpp" + +#include "mpt/base/preprocessor.hpp" +#include "mpt/base/compiletime_warning.hpp" +#include "mpt/base/macros.hpp" + +#if MPT_CXX_AT_LEAST(20) +#include +#else // !C++20 +#include +#endif // C++20 + +#include +#include +#include + +#include +#include + +#include +#include + + +OPENMPT_NAMESPACE_BEGIN + + + +#define MPT_UNREFERENCED_PARAMETER(x) MPT_UNUSED(x) +#define MPT_UNUSED_VARIABLE(x) MPT_UNUSED(x) +// C++17 std::size +#if MPT_CXX_AT_LEAST(17) +namespace mpt +{ +using std::size; +} // namespace mpt +#else +namespace mpt +{ +template +MPT_CONSTEXPR11_FUN auto size(const T &v) -> decltype(v.size()) +{ + return v.size(); +} +template +MPT_CONSTEXPR11_FUN std::size_t size(const T (&)[N]) noexcept +{ + return N; +} +} // namespace mpt +#endif +// legacy +#if MPT_COMPILER_MSVC +OPENMPT_NAMESPACE_END +#include +#include +OPENMPT_NAMESPACE_BEGIN +#define MPT_ARRAY_COUNT(x) _countof(x) +#else +#define MPT_ARRAY_COUNT(x) (sizeof((x)) / sizeof((x)[0])) +#endif +#define CountOf(x) MPT_ARRAY_COUNT(x) + + + +#if MPT_COMPILER_MSVC +// warning LNK4221: no public symbols found; archive member will be inaccessible +// There is no way to selectively disable linker warnings. +// #pragma warning does not apply and a command line option does not exist. +// Some options: +// 1. Macro which generates a variable with a unique name for each file (which means we have to pass the filename to the macro) +// 2. unnamed namespace containing any symbol (does not work for c++11 compilers because they actually have internal linkage now) +// 3. An unused trivial inline function. +// Option 3 does not actually solve the problem though, which leaves us with option 1. +// In any case, for optimized builds, the linker will just remove the useless symbol. +#define MPT_MSVC_WORKAROUND_LNK4221_CONCAT_DETAIL(x, y) x##y +#define MPT_MSVC_WORKAROUND_LNK4221_CONCAT(x, y) MPT_MSVC_WORKAROUND_LNK4221_CONCAT_DETAIL(x, y) +#define MPT_MSVC_WORKAROUND_LNK4221(x) int MPT_MSVC_WORKAROUND_LNK4221_CONCAT(mpt_msvc_workaround_lnk4221_, x) = 0; +#endif + +#ifndef MPT_MSVC_WORKAROUND_LNK4221 +#define MPT_MSVC_WORKAROUND_LNK4221(x) +#endif + + + +OPENMPT_NAMESPACE_END -- cgit