diff options
Diffstat (limited to 'thirdparty/openxr/src/common/stdfs_conditions.h')
| -rw-r--r-- | thirdparty/openxr/src/common/stdfs_conditions.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/thirdparty/openxr/src/common/stdfs_conditions.h b/thirdparty/openxr/src/common/stdfs_conditions.h new file mode 100644 index 0000000000..6dc18cc620 --- /dev/null +++ b/thirdparty/openxr/src/common/stdfs_conditions.h @@ -0,0 +1,45 @@ +// Copyright (c) 2017-2022, The Khronos Group Inc. +// Copyright (c) 2017 Valve Corporation +// Copyright (c) 2017 LunarG, Inc. +// +// SPDX-License-Identifier: Apache-2.0 OR MIT + +#ifndef _STDFS_CONDITIONS_H +#define _STDFS_CONDITIONS_H + +// If the C++ macro is set to the version containing C++17, it must support +// the final C++17 package +#if __cplusplus >= 201703L +#define USE_EXPERIMENTAL_FS 0 +#define USE_FINAL_FS 1 + +#elif defined(_MSC_VER) && _MSC_VER >= 1900 + +#if defined(_HAS_CXX17) && _HAS_CXX17 +// When MSC supports c++17 use <filesystem> package. +#define USE_EXPERIMENTAL_FS 0 +#define USE_FINAL_FS 1 +#endif // !_HAS_CXX17 + +// GCC supports the experimental filesystem items starting in GCC 6 +#elif (__GNUC__ >= 6) +#define USE_EXPERIMENTAL_FS 1 +#define USE_FINAL_FS 0 + +// If Clang, check for feature support +#elif defined(__clang__) && (__cpp_lib_filesystem || __cpp_lib_experimental_filesystem) +#if __cpp_lib_filesystem +#define USE_EXPERIMENTAL_FS 0 +#define USE_FINAL_FS 1 +#else +#define USE_EXPERIMENTAL_FS 1 +#define USE_FINAL_FS 0 +#endif + +// If all above fails, fall back to standard C++ and OS-specific items +#else +#define USE_EXPERIMENTAL_FS 0 +#define USE_FINAL_FS 0 +#endif + +#endif // !_STDFS_CONDITIONS_H |