g++ -c lib/src/Renderer.cpp -std=c++11 -noixemul -I lib/include
lib/src/Renderer.cpp: In member function 'void exdevgfx::Renderer::initObject(exdevgfx::Object&)':
lib/src/Renderer.cpp:197:35: error: 'glGenerateMipmap' was not declared in this scope
     glGenerateMipmap(GL_TEXTURE_2D);