程式語言 - Simple and Fast Multimedia Library (SFML) - 如何透過GL4ES跑SFML

參考資訊：
https://github.com/SFML/SFML
https://www.sfml-dev.org/index.php

$ cd
$ git clone https://github.com/SFML/SFML sfml
$ mkdir sfml/build
$ cd sfml/build
$ cmake .. \
    -DSFML_OPENGL_ES=OFF \
    -DSFML_USE_SYSTEM_DEPS=ON \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_POLICY_VERSION_MINIMUM=3.5

$ make
$ sudo make install

$ cd
$ git clone https://github.com/ptitSeb/gl4es
$ mkdir gl4es/build
$ cd gl4es/build
$ cmake ..
$ make
$ sudo make install

$ vim main.c
    #include <unistd.h>
    #include <iostream>
    #include <SFML/Graphics.hpp>
     
    int main(int argc, char **argv)
    {
        sf::RenderWindow window(sf::VideoMode(320, 240), "hello, world!");
        window.clear();
        window.display();
        usleep(3000000);
        window.close();
        return 0;
    }

$ g++ main.cpp -o main -lsfml-graphics -lsfml-window -lsfml-system
$ LD_LIBRARY_PATH=/usr/lib/gl4es ./main