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+The Irrlicht engine version 1.9
+===============================
+
+This is a fork of the Irrlicht engine by the [Minetest](https://github.com/minetest) developers that contains features, customizations and fixes specifically for use in Minetest.
+
+Build
+-----
+
+The build system is CMake.
+
+The following libraries are required to be installed:
+* zlib, libPNG, libJPEG
+* OpenGL
+  * or on mobile: OpenGL ES (can be optionally enabled on desktop too)
+* on Unix: X11
+
+Aside from standard search options (`ZLIB_INCLUDE_DIR`, `ZLIB_LIBRARY`, ...) the following options are available:
+* `BUILD_SHARED_LIBS` (default: `ON`) - Build Irrlicht as a shared library
+
+e.g. on a Linux system you might want to build for local use like this:
+
+	git clone https://github.com/minetest/irrlicht
+	cmake . -DBUILD_SHARED_LIBS=OFF
+	make -j$(nproc)
+
+Platforms
+---------
+
+We aim to support these platforms:
+* Windows via MinGW
+* Linux (GL or GLES)
+* macOS
+* Android
+
+This doesn't mean other platforms don't work or won't be supported, if you find something that doesn't work contributions are welcome.
+
+License
+-------
+
+The license of the Irrlicht Engine is based on the zlib/libpng license and applies to this fork, too.
+
+	The Irrlicht Engine License
+	===========================
+
+	Copyright (C) 2002-2012 Nikolaus Gebhardt
+
+	This software is provided 'as-is', without any express or implied
+	warranty.  In no event will the authors be held liable for any damages
+	arising from the use of this software.
+
+	Permission is granted to anyone to use this software for any purpose,
+	including commercial applications, and to alter it and redistribute it
+	freely, subject to the following restrictions:
+
+	1. The origin of this software must not be misrepresented; you must not
+	 claim that you wrote the original software. If you use this software
+	 in a product, an acknowledgement in the product documentation would be
+	 appreciated but is not required.
+	2. Altered source versions must be clearly marked as such, and must not be
+	 misrepresented as being the original software.
+	3. This notice may not be removed or altered from any source distribution.
diff --git a/readme.txt b/irr-readme.txt
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