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I'm trying to install Urho3D on RPi 3. (GPU = 768 MB)

I installed all the essential dependencies. All the steps went fine. Until this error which occurred during the final make step:

[ 56%] Building CXX object Source/Urho3D/CMakeFiles/Urho3D.dir/Graphics/Skybox.cpp.o
[ 57%] Building CXX object Source/Urho3D/CMakeFiles/Urho3D.dir/Graphics/Graphics.cpp.o
In file included from /root/Urho3D/Source/Urho3D/Graphics/../Graphics/GraphicsImpl.h:29:0,
                 from /root/Urho3D/Source/Urho3D/Graphics/Graphics.cpp:34:
/root/Urho3D/Source/Urho3D/Graphics/../Graphics/OpenGL/OGLGraphicsImpl.h:36:23: fatal error: GLES2/gl2.h: No such file or directory
 #include <GLES2/gl2.h>
                       ^
compilation terminated.
Source/Urho3D/CMakeFiles/Urho3D.dir/build.make:1916: recipe for target 'Source/Urho3D/CMakeFiles/Urho3D.dir/Graphics/Graphics.cpp.o' failed
make[2]: *** [Source/Urho3D/CMakeFiles/Urho3D.dir/Graphics/Graphics.cpp.o] Error 1
CMakeFiles/Makefile2:1198: recipe for target 'Source/Urho3D/CMakeFiles/Urho3D.dir/all' failed
make[1]: *** [Source/Urho3D/CMakeFiles/Urho3D.dir/all] Error 2
Makefile:137: recipe for target 'all' failed
make: *** [all] Error 2

Any suggestions? What should I do !?

Omid1989
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2 Answers2

3

The file GLES2/gl2.h belongs to the package called libgles2-mesa-dev, which you should install with apt-get.

Dmitry Grigoryev
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On dec. 29th 2018, with nov. 13th 2018 raspbian stretch full img, this worked:

sudo apt-get install libx11-dev libxrandr-dev libasound2-dev git cmake make libgl1-mesa-dev
mkdir Src
cd Src
git clone https://github.com/urho3d/Urho3D
cd Urho3D
./script/cmake_rpi.sh .
make

(the rpi specific script takes care of the very special local video driver by declaring the RPI symbol)

Ghanima
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