Не удаются подключить библиотеку GLAD

#include <iostream>
#include "glad/glad.h"
#include "glfw3.h"
#include "glfw3native.h"
//#include "gl/gl.h"

#define GLFW_INCLUDE_NONE

#include <windows.h>
#include <iostream>
 
 
// THIS IS OPTIONAL AND NOT REQUIRED, ONLY USE THIS IF YOU DON'T WANT GLAD TO INCLUDE windows.h
// GLAD will include windows.h for APIENTRY if it was not previously defined.
// Make sure you have the correct definition for APIENTRY for platforms which define _WIN32 but don't use __stdcall
#ifdef _WIN32
    #define APIENTRY __stdcall
#endif
 
// GLAD
#include <glad/glad.c>
 
// confirm that GLAD didn't include windows.h
#ifdef _WINDOWS_
    #error windows.h was included!
#endif
 
// GLFW
#include <GLFW/glfw3.h>
 
 
// This example is taken from [url]http://learnopengl.com/[/url]
// [url]http://learnopengl.com/code_viewer.php?code=getting-started/hellowindow2[/url]
// The code originally used GLEW, I replaced it with Glad
 
// Compile:
// g++ example/c++/hellowindow2.cpp -Ibuild/include build/src/glad.c -lglfw -ldl
 
 
// Function prototypes
void key_callback(GLFWwindow* window, int key, int scancode, int action, int mode);
 
// Window dimensions
const GLuint WIDTH = 800, HEIGHT = 600;
 
// The MAIN function, from here we start the application and run the game loop
int main()
{
    std::cout << "Starting GLFW context, OpenGL 3.3" << std::endl;
    // Init GLFW
    glfwInit();
    // Set all the required options for GLFW
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
    glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
 
    // Create a GLFWwindow object that we can use for GLFW's functions
    GLFWwindow* window = glfwCreateWindow(WIDTH, HEIGHT, "LearnOpenGL", NULL, NULL);
    glfwMakeContextCurrent(window);
    if (window == NULL)
    {
        std::cout << "Failed to create GLFW window" << std::endl;
        glfwTerminate();
        return -1;
    }
 
    // Set the required callback functions
    glfwSetKeyCallback(window, key_callback);
 
    if (!gladLoadGLLoader((GLADloadproc) glfwGetProcAddress))
    {
        std::cout << "Failed to initialize OpenGL context" << std::endl;
        return -1;
    }
 
    // Define the viewport dimensions
    glViewport(0, 0, WIDTH, HEIGHT);
 
    // Game loop
    while (!glfwWindowShouldClose(window))
    {
        // Check if any events have been activated (key pressed, mouse moved etc.) and call corresponding response functions
        glfwPollEvents();
 
        // Render
        // Clear the colorbuffer
        glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
        glClear(GL_COLOR_BUFFER_BIT);
 
        // Swap the screen buffers
        glfwSwapBuffers(window);
    }
 
    // Terminates GLFW, clearing any resources allocated by GLFW.
    glfwTerminate();
    return 0;
}
 
// Is called whenever a key is pressed/released via GLFW
void key_callback(GLFWwindow* window, int key, int scancode, int action, int mode)
{
    std::cout << key << std::endl;
    if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
        glfwSetWindowShouldClose(window, GL_TRUE);
}