| 1 | // Copyright (C) 2025 The Qt Company Ltd. |
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #if 0 |
| 5 | #pragma qt_class(QtStdLibDetection) |
| 6 | #pragma qt_sync_skip_header_check |
| 7 | #pragma qt_sync_stop_processing |
| 8 | #endif |
| 9 | |
| 10 | #ifndef QSTDLIBDETECTION_H |
| 11 | #define QSTDLIBDETECTION_H |
| 12 | |
| 13 | #include <QtCore/qtconfiginclude.h> |
| 14 | |
| 15 | #ifdef __cplusplus |
| 16 | |
| 17 | /* If <version> exists, qtconfiginclude.h will have included it. */ |
| 18 | /* If not, we need to include _something_, and <utility> is included by qcompilerdetection.h, too */ |
| 19 | #if !__has_include(<version>) |
| 20 | # include <utility> |
| 21 | #endif |
| 22 | |
| 23 | /* |
| 24 | The std lib, must be one of: (Q_STL_x) |
| 25 | |
| 26 | LIBCPP - libc++ (shipped with Clang, e.g.) |
| 27 | LIBSTDCPP - libstdc++ (shipped with GCC, e.g.) |
| 28 | MSSTL - Microsoft STL |
| 29 | DINKUMWARE - Dinkumware (shipped with QNX, VxWorks, Integrity, origin of MSSTL) |
| 30 | STLPORT - STLport (merged with SGI) |
| 31 | SGI - The original STL |
| 32 | ROGUEWAVE - RogueWave ((used to be) popular on ARM?) |
| 33 | |
| 34 | Not included: |
| 35 | EASTL - EASTL (this is not a drop-in STL, e.g. it doesn't have <vector>-style headers) |
| 36 | |
| 37 | Should be sorted most to least authoritative. |
| 38 | */ |
| 39 | |
| 40 | #if defined(_LIBCPP_VERSION) /* libc++ */ |
| 41 | # define Q_STL_LIBCPP |
| 42 | #elif defined(_GLIBCXX_RELEASE) /* libstdc++ */ |
| 43 | # define Q_STL_LIBSTDCPP |
| 44 | #elif defined(_MSVC_STL_VERSION) /* MSSTL (must be before Dinkumware) */ |
| 45 | # define Q_STL_MSSTL |
| 46 | #elif defined(_YVALS) || defined(_CPPLIB_VER) /* Dinkumware */ |
| 47 | # define Q_STL_DINKUMWARE |
| 48 | #elif defined(_STLPORT_VERSION) /* STLport, cf. _stlport_version.h */ |
| 49 | # define Q_STL_STLPORT |
| 50 | #elif defined(__SGI_STL) /* must be after STLport, which mimics as SGI STL */ |
| 51 | # define Q_STL_SGI |
| 52 | #elif defined(_RWSTD_VER) /* RogueWave, at least as contributed to Apache stdcxx, cf. rw/_config.h */ |
| 53 | # define Q_STL_ROGUEWAVE |
| 54 | #else |
| 55 | # error Unknown std library implementation, please file a report at bugreports.qt.io. |
| 56 | #endif |
| 57 | |
| 58 | #endif // __cplusplus |
| 59 | |
| 60 | #endif // QSTDLIBDETECTION_H |
| 61 | |