From 3ad39e9878310e5317ee73c9b353c1e2c1c5c4ee Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Sat, 11 Jul 2026 22:48:30 +0800
Subject: lib: establish Zircon libc++ and KTL foundation

---
 third_party/libcxx/include/c++/v1/ccomplex | 35 ++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 third_party/libcxx/include/c++/v1/ccomplex

(limited to 'third_party/libcxx/include/c++/v1/ccomplex')

diff --git a/third_party/libcxx/include/c++/v1/ccomplex b/third_party/libcxx/include/c++/v1/ccomplex
new file mode 100644
index 0000000..c1cb039
--- /dev/null
+++ b/third_party/libcxx/include/c++/v1/ccomplex
@@ -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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_CCOMPLEX
+#define _LIBCPP_CCOMPLEX
+
+/*
+    ccomplex synopsis
+
+#include <complex>
+
+*/
+
+#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
+#  include <__cxx03/ccomplex>
+#else
+#  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 <ccomplex> is deprecated in C++17 and removed in C++20. Include <complex> instead.
+#  endif
+
+#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
+
+#endif // _LIBCPP_CCOMPLEX
-- 
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