Add sdl2-config example

.gitignore

@@ -1,3 +1,4 @@
 .DS_Store
 cmake-build-debug
 .idea
+build

L09sdl2-config-example/CMakeLists.txt

@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.0.0)
+project(sdl2_config_example VERSION 0.1.0)
+
+include_directories(/usr/local/include)
+
+execute_process(
+    COMMAND sdl2-config --static-libs
+    OUTPUT_VARIABLE sdl2_static_libs_output
+)
+
+separate_arguments(sdl2_static_libs NATIVE_COMMAND ${sdl2_static_libs_output})
+
+
+add_executable(sdl2_config_example main.c)
+
+target_link_options(sdl2_config_example PRIVATE ${sdl2_static_libs})

L09sdl2-config-example/main.c

@@ -0,0 +1,54 @@
+#include <SDL2/SDL.h>
+
+#define WIDTH 550
+#define HEIGHT 400
+
+void draw(SDL_Renderer *renderer) {
+    SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
+    SDL_Rect rect = {0, 0, 100, 100};
+    SDL_RenderFillRect(renderer, &rect);
+}
+
+int main() {
+    SDL_Window *win;
+    SDL_Renderer *renderer;
+    if (SDL_Init(SDL_INIT_VIDEO)) {
+        SDL_Log("Unable to init SLD: %s", SDL_GetError());
+        return 1;
+    }
+    win = SDL_CreateWindow(
+            "Hello World",
+            SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
+            WIDTH, HEIGHT,
+            SDL_WINDOW_OPENGL
+    );
+    if (win == NULL) {
+        SDL_Log("Unable to create window: %s", SDL_GetError());
+        return 1;
+    }
+
+    renderer = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED);
+    if (renderer == NULL) {
+        SDL_Log("Can not create renderer: %s", SDL_GetError());
+        return 1;
+    }
+
+    while (1) {
+        SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
+        SDL_RenderClear(renderer);
+        draw(renderer);
+        SDL_RenderPresent(renderer);
+
+        SDL_Event event;
+        if (SDL_PollEvent(&event)) {
+            if (event.type == SDL_QUIT) {
+                break;
+            }
+        }
+    }
+
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyWindow(win);
+    SDL_Quit();
+    return 0;
+}