#define _LIBCPP_HAS_NO_BUILTIN_ADDRESSOF
#endif
+_LIBCPP_BEGIN_NAMESPACE_STD
+_LIBCPP_FUNC_VIS _LIBCPP_WEAK int __libcpp_library_version();
+_LIBCPP_END_NAMESPACE_STD
+
+#define _LIBCPP_LIBRARY_VERSION \
+ (_VSTD::__libcpp_library_version ? _VSTD::__libcpp_library_version() : -1)
+
#endif // __cplusplus
#endif // _LIBCPP_CONFIG
--- /dev/null
+4000
\ No newline at end of file
Version 4.0
-----------
+* rTBD - Add __libcpp_library_version
+
+ all platforms
+ -------------
+ Symbol added: _ZNSt3__124__libcpp_library_versionEv
* r285101 - Add -fvisibility-inlines-hidden when building libc++.
{'type': 'FUNC', 'name': '_ZNSt3__121recursive_timed_mutexD1Ev'}
{'type': 'FUNC', 'name': '_ZNSt3__121recursive_timed_mutexD2Ev'}
{'type': 'FUNC', 'name': '_ZNSt3__121undeclare_no_pointersEPcm'}
+{'type': 'FUNC', 'name': '_ZNSt3__124__libcpp_library_versionEv'}
{'type': 'FUNC', 'name': '_ZNSt3__125__num_get_signed_integralIlEET_PKcS3_Rji'}
{'type': 'FUNC', 'name': '_ZNSt3__125__num_get_signed_integralIxEET_PKcS3_Rji'}
{'type': 'FUNC', 'name': '_ZNSt3__125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE'}
--- /dev/null
+#include "__config"
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+// Test that _LIBCPP_VERSION and __libcpp_version are in sync.
+// The __libcpp_version file stores only a number representing the libc++
+// version so it can be easily parsed by clang.
+static_assert(_LIBCPP_VERSION ==
+#include "__libcpp_version"
+ , "version file does not match");
+
+int __libcpp_library_version() { return _LIBCPP_VERSION; }
+
+_LIBCPP_END_NAMESPACE_STD
--- /dev/null
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// Test the _LIBCPP_VERSION and _LIBCPP_LIBRARY_VERSION macros
+
+#include <__config>
+
+#ifndef _LIBCPP_VERSION
+#error _LIBCPP_VERSION must be defined
+#endif
+
+#ifndef _LIBCPP_LIBRARY_VERSION
+#error _LIBCPP_LIBRARY_VERSION must be defined
+#endif
+
+#include <cassert>
+
+int main() {
+ assert(_LIBCPP_VERSION == _LIBCPP_LIBRARY_VERSION);
+ assert(std::__libcpp_library_version);
+ assert(_LIBCPP_LIBRARY_VERSION == std::__libcpp_library_version());
+}