PHP Fatal error:  Uncaught FFI\Exception: Failed resolving C function 'SDL_MemoryBarrierAcquireFunction' in /home/jav/Downloads/SDL/vendor/serafim/ffi-loader/src/Library.php:95
Stack trace:
#0 /home/jav/Downloads/SDL/vendor/serafim/ffi-loader/src/Library.php(95): FFI::cdef()
#1 /home/jav/Downloads/SDL/vendor/serafim/ffi-loader/src/Library.php(142): Serafim\FFILoader\Library->Serafim\FFILoader\{closure}()
#2 /home/jav/Downloads/SDL/vendor/serafim/ffi-loader/src/Library.php(96): Serafim\FFILoader\Library->wrapErrors()
#3 /home/jav/Downloads/SDL/vendor/serafim/ffi-loader/src/Library.php(106): Serafim\FFILoader\Library->Serafim\FFILoader\{closure}()
#4 /home/jav/Downloads/SDL/vendor/serafim/ffi-loader/src/Library.php(97): Serafim\FFILoader\Library->memoized()
#5 /home/jav/Downloads/SDL/src/SDL.php(42): Serafim\FFILoader\Library->get()
#6 /home/jav/Downloads/SDL/hello.php(36): Serafim\SDL\SDL->__construct()
#7 {main}

Next FFI\Exception: Failed resolving C function 'SDL_CreateThreadWithStackSize' in /home/jav/Downloads/SDL/vendor/s in /home/jav/Downloads/SDL/vendor/serafim/ffi-loader/src/Library.php on line 95