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

---
 scripts/build/probes/libc_headers.c  | 10 ++++++++++
 scripts/build/probes/libc_headers.cc | 12 ++++++++++++
 scripts/build/probes/libcxx.cc       | 16 ++++++++++++++++
 3 files changed, 38 insertions(+)
 create mode 100644 scripts/build/probes/libc_headers.c
 create mode 100644 scripts/build/probes/libc_headers.cc
 create mode 100644 scripts/build/probes/libcxx.cc

(limited to 'scripts/build/probes')

diff --git a/scripts/build/probes/libc_headers.c b/scripts/build/probes/libc_headers.c
new file mode 100644
index 0000000..e4bdd20
--- /dev/null
+++ b/scripts/build/probes/libc_headers.c
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <assert.h>
+#include <inttypes.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+_Static_assert(sizeof(uintptr_t) == sizeof(void*), "uintptr_t must hold a pointer");
diff --git a/scripts/build/probes/libc_headers.cc b/scripts/build/probes/libc_headers.cc
new file mode 100644
index 0000000..1085cd3
--- /dev/null
+++ b/scripts/build/probes/libc_headers.cc
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <assert.h>
+#include <inttypes.h>
+#include <multi-file.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string-file.h>
+#include <string.h>
+
+static_assert(sizeof(uintptr_t) == sizeof(void*));
diff --git a/scripts/build/probes/libcxx.cc b/scripts/build/probes/libcxx.cc
new file mode 100644
index 0000000..8237151
--- /dev/null
+++ b/scripts/build/probes/libcxx.cc
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <array>
+#include <atomic>
+#include <optional>
+#include <span>
+#include <string_view>
+#include <type_traits>
+
+constexpr std::array<int, 3> kValues{1, 2, 3};
+static_assert(kValues[2] == 3);
+static_assert(std::is_same_v<std::span<const int>::element_type, const int>);
+static_assert(std::string_view{"libc++"}.size() == 6);
+
+using Optional = std::optional<unsigned long>;
+using Atomic = std::atomic<unsigned long>;
-- 
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