lib: establish Zircon libc++ and KTL foundation

1 files changed, 35 insertions, 0 deletions

diff --git a/third_party/libcxx/include/c++/v1/cassert b/third_party/libcxx/include/c++/v1/cassert
new file mode 100644
index 0000000..9d3cd77
--- /dev/null
+++ b/third_party/libcxx/include/c++/v1/cassert
@@ -0,0 +1,35 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+/*
+    cassert synopsis
+
+Macros:
+
+    assert
+
+*/
+
+#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
+#  include <__cxx03/cassert>
+#else
+#  include <__config>
+
+// <assert.h> is not provided by libc++
+#  if __has_include(<assert.h>)
+#    include <assert.h>
+#    ifdef _LIBCPP_ASSERT_H
+#      error "If libc++ starts defining <assert.h>, the __has_include check should move to libc++'s <assert.h>"
+#    endif
+#  endif
+
+#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#    pragma GCC system_header
+#  endif
+#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)