lib: establish Zircon libc++ and KTL foundation

1 files changed, 37 insertions, 0 deletions

diff --git a/third_party/libcxx/include/c++/v1/ctgmath b/third_party/libcxx/include/c++/v1/ctgmath
new file mode 100644
index 0000000..13b7a96
--- /dev/null
+++ b/third_party/libcxx/include/c++/v1/ctgmath
@@ -0,0 +1,37 @@
+// -*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_CTGMATH
+#define _LIBCPP_CTGMATH
+
+/*
+    ctgmath synopsis
+
+#include <ccomplex>
+#include <cmath>
+
+*/
+
+#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
+#  include <__cxx03/ctgmath>
+#else
+#  include <cmath>
+#  include <complex>
+
+#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#    pragma GCC system_header
+#  endif
+
+#  if _LIBCPP_STD_VER >= 17 && !__building_module(std) && _LIBCPP_DIAGNOSE_DEPRECATED_HEADERS
+#    warning <ctgmath> is deprecated in C++17 and removed in C++20. Include <cmath> and <complex> instead.
+#  endif
+
+#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
+
+#endif // _LIBCPP_CTGMATH