From efa55eb5b3d3a4942789bdf397c3a6d6226475d4 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Mon, 7 Sep 2020 12:57:22 +0200
Subject: Revert "remove external libraries from main branch"

This reverts commit 0558244645611f314f47e0fa427f7323ce253eaf.
---
 include/lib/ArduinoJson/Polyfills/attributes.hpp | 29 ++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 include/lib/ArduinoJson/Polyfills/attributes.hpp

(limited to 'include/lib/ArduinoJson/Polyfills/attributes.hpp')

diff --git a/include/lib/ArduinoJson/Polyfills/attributes.hpp b/include/lib/ArduinoJson/Polyfills/attributes.hpp
new file mode 100644
index 0000000..b49091d
--- /dev/null
+++ b/include/lib/ArduinoJson/Polyfills/attributes.hpp
@@ -0,0 +1,29 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+#ifdef _MSC_VER  // Visual Studio
+
+#define FORCE_INLINE  // __forceinline causes C4714 when returning std::string
+#define NO_INLINE __declspec(noinline)
+#define DEPRECATED(msg) __declspec(deprecated(msg))
+
+#elif defined(__GNUC__)  // GCC or Clang
+
+#define FORCE_INLINE __attribute__((always_inline))
+#define NO_INLINE __attribute__((noinline))
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
+#define DEPRECATED(msg) __attribute__((deprecated(msg)))
+#else
+#define DEPRECATED(msg) __attribute__((deprecated))
+#endif
+
+#else  // Other compilers
+
+#define FORCE_INLINE
+#define NO_INLINE
+#define DEPRECATED(msg)
+
+#endif
-- 
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