#include int main() { // Test 1 requires headers only. SDL_version compiled; SDL_VERSION(&compiled); if (compiled.major != CMAKE_EXPECTED_SDL_VERSION_MAJOR || compiled.minor != CMAKE_EXPECTED_SDL_VERSION_MINOR || compiled.patch != CMAKE_EXPECTED_SDL_VERSION_PATCH) return 1; // Test 2 requires to link to the library. if (SDL_WasInit(SDL_INIT_VIDEO | SDL_INIT_AUDIO) != 0) return 2; return 0; }