Fix uses of undefined macro identifiers (-Wundef)

* Fix -Wundef warnings due to use of unguarded SDL_LOADSO_DISABLED

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_WINDOWS

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_ANDROID

* Fix -Wundef warnings due to use of unguarded SDL_LOADSO_DUMMY

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_COCOA

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_UIKIT

* Fix -Wundef warnings due to use of unguarded SDL_TIMERS_DISABLED

* Fix -Wundef warnings due to use of unguarded SDL_EVENTS_DISABLED

* Fix -Wundef warnings due to use of unguarded SDL_TIMER_DUMMY

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DISABLED

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DISABLED

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_DISABLED

* Fix -Wundef warnings due to use of unguarded SDL_HAPTIC_DISABLED

* Fix -Wundef warnings due to use of unguarded SDL_SENSOR_DISABLED

* Fix -Wundef warnings due to use of unguarded __ANDROID__

* Fix -Wundef warnings due to use of unguarded __IOS__

* Fix -Wundef warnings due to use of unguarded EMULATE_CAS

* Fix -Wundef warnings due to use of unguarded SDL_ATOMIC_DISABLED

* Fix -Wundef warnings due to use of unguarded SDL_THREADS_DISABLED

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_SNDIO

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_NETBSD

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_WASAPI

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_DSOUND

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_HAIKU

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_COREAUDIO

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_AAUDIO

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_OPENSLES

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_ANDROID

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_PS2

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_PSP

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_VITA

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_N3DS

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_EMSCRIPTEN

* Fix -Wundef warnings due to use of unguarded SDL_NEON_INTRINSICS

* Fix -Wundef warnings due to use of unguarded SDL_ALTIVEC_BLITTERS

* Fix -Wundef warnings due to use of unguarded __VITA__

* Fix -Wundef warnings due to use of unguarded __3DS__

* Fix -Wundef warnings due to use of unguarded SDL_DYNAPI_PROC_NO_VARARGS

* Fix -Wundef warnings due to use of unguarded __APPLE__

* Fix -Wundef warnings due to use of unguarded __WINRT__

* Fix -Wundef warnings due to use of unguarded SDL_HIDAPI_DISABLED

* Fix -Wundef warnings due to use of unguarded __TVOS__

* Fix -Wundef warnings due to use of unguarded HAVE_DRIVER_BACKEND

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_XINPUT

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_WGI

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_DINPUT

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_MFI

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_EMSCRIPTEN

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_PS2

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_PSP

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_VITA

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_N3DS

* Fix -Wundef warnings due to use of unguarded __MACOS__

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_D3D

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_WINRT

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_RPI

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_VITA_PVR_OGL

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_VIVANTE

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_D3D11

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_D3D12

* Fix -Wundef warnings due to use of unguarded SDL_RENDER_DISABLED

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_METAL

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_PS2

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_PSP

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_VITA_GXM

* Fix -Wundef warnings due to use of unguarded SDL_ARM_SIMD_BLITTERS

* Fix -Wundef warnings due to use of unguarded SDL_ARM_NEON_BLITTERS

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_HAIKU

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_PS2

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_PSP

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_VITA

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_N3DS

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_KMSDRM

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_RISCOS

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_EMSCRIPTEN

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_NGAGE

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_METAL

* Fix -Wundef warnings due to use of unguarded SDL_LSX_INTRINSICS

* Fix -Wundef warnings due to use of unguarded HAVE_PTHREAD_NP_H

* Fix -Wundef warnings due to use of unguarded __RISCOS__

* Fix -Wundef warnings due to use of unguarded FAKE_RECURSIVE_MUTEX

* Fix -Wundef warnings due to use of unguarded USE_POSIX_SPAWN

* textureData is only needed when SDL is built with YUV support

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_ALSA

* Fix -Wundef warnings due to use of unguarded SDL_SSE3_INTRINSICS

* Fix -Wundef warnings due to use of unguarded SDL_SSE4_2_INTRINSICS

* Fix -Wundef warnings due to use of unguarded SDL_SSE4_1_INTRINSICS

* Fix -Wundef warnings due to use of unguarded SDL_AVX512F_INTRINSICS

* Fix -Wundef warnings due to use of unguarded SDL_SSE2_INTRINSICS

* Fix -Wundef warnings due to use of unguarded SDL_AVX_INTRINSICS

* Fix -Wundef warnings due to use of unguarded SDL_AVX2_INTRINSICS

* Fix -Wundef warnings due to use of unguarded SDL_SSE_INTRINSICS

* Fix -Wundef warnings due to use of unguarded SDL_MMX_INTRINSICS

* Fix -Wundef warnings due to use of unguarded HAVE_CLOCK_GETTIME

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_DISK

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_DUMMY

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_DUMMY

* Fix -Wundef warnings due to use of unguarded HAVE_GCC_ATOMICS

* Fix -Wundef warnings due to use of unguarded HAVE_GCC_SYNC_LOCK_TEST_AND_SET

* Fix -Wundef warnings due to use of unguarded SDL_USE_LIBDBUS

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_JACK

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_VIRTUAL

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_LINUX

* Fix -Wundef warnings due to use of unguarded HAVE_LIBC

* Fix -Wundef warnings due to disabling SDL_LIBC

* Fix -Wundef warnings due to use of unguarded HAVE_PLATFORM_BACKEND

* Fix -Wundef warnings due to use of unguarded DEBUG

* Fix -Wundef warnings due to use of unguarded HAVE_LINUX_INPUT_H

* Fix -Werror=unused-variable when building with SDL_LIBC=OFF

* Fix -Wundef warnings due to use of unguqrded SDL_USE_LIBUDEV

* Use SDL alloc functions in libusb/hid.c

* Fix -Wundef warnings due to use of unguarded HAVE_LIBUDEV_H

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_VULKAN

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_OFFSCREEN

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_OGL

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_GLX

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_ES

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_ES2

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_RENDER_OGL_ES2

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_OSS

* Remove SDL_AUDIO_DRIVER_SUNAUDIO reference since it is never set

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_PIPEWIRE

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_PULSEAUDIO

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_XCURSOR

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_XDBE

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_XFIXES

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_XINPUT2

* Fix -Wundef warnings due to use of unguarded #if SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH

* Fix -Wundef warnings due to use of unguarded #if SDL_VIDEO_DRIVER_X11_XRANDR

* Fix -Wundef warnings due to use of unguarded #if SDL_VIDEO_DRIVER_X11_XSCRNSAVER

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_XSHAPE

* Don't call XShape functions when XShape is diabled

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_WAYLAND

* Fix -Wundef warnings due to use of unuarded SDL_VIDEO_DRIVER_X11

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_RISCOS

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_EGL

* Disable array when compiled with SDL_EVENTS=OFF

* Fix -Wundef warnings due to use of unguarded SDL_INPUT_LINUXEV

* Fix -Wundef warnings due to use of unguarded SDL_THREAD_PTHREAD

* Fix -Wundef warnings due to use of unguarded SDL_THREAD_WINDOWS

* Fix -Wundef warnings due to use of unguarded SDL_THREAD_PS2

* Fix -Wundef warnings due to use of unguarded SDL_THREAD_PSP

* Fix -Wundef warnings due to use of unguarded SDL_THREAD_VITA

* Fix -Wundef warnings due to use of unguarded SDL_THREAD_N3DS

* Fix -Wundef warnings due to use of unguarded SDL_THREAD_STDCPP

* Fix -Wundef warnings due to use of unguarded SDL_THREAD_NGAGE

* Fix -Wundef warnings due to use of unguarded __WINDOWS__

* Fix -Wundef warnings due to use of unguarded __WINGDK__

* Fix -Wundef warnings due to use of unguarded __ANDROID__

* Fix -Wundef warnings due to use of unguarded SDL_THREAD_GENERIC_COND_SUFFIX

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_VITA_PIB

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_VITA_PVR

* Fix -Wundef warnings due to use of unguarded SDL_FILE_DISABLED

* Fix -Wundef warnings due to use of unguarded __XBOXONE__

* Fix -Wundef warnings due to use of unguarded __XBOXSERIES__

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_WGL

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_QNX

* Fix -Wundef warnings due to use of unguarded SDL_AUDIO_DRIVER_DISK

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_QNX

* Fix -Wundef warnings due to use of unguarded DEBUG_RAZOR

* Fix -Wundef warnings due to use of unguarded WINAPI_FAMILY_PHONE_APP

* Fix -Wundef warnings due to use of unguarded SDL_MAC_NO_SANDBOX

* Fix -Wundef warnings due to use of unguarded __(IPHONE|APPLETV|MAC)_OS_VERSION_MAX_ALLOWED

* Fix C4090 warning ('function': different 'const' qualifiers)

* ci: use -isystem for include dirs of pspdev toolchain

* cmake: add -Wundef option

* Fix remaining -Wundef warnings due to use of unguarded SDL_VIDEO_VULKAN and SDL_VIDEO_METAL

* Fix -Wundef warnings due to use of unguarded __MACOS__

* DEBUG_CONVERT is guaranteed to be defined in src/audio/SDL_audiocvt.c

* Fix -Wundef warnings due to use of unguarded HAVE_NANOSLEEP

* Fix -Wundef warnings due to use of unguarded HAVE_DXGI_H

* Fix -Wundef warnings due to use of unguarded HAVE_LINUX_INPUT_H

* fix SDL_VIDEO_DRIVER_WAYLAND

* fix SDL_VIDEO_DRIVER_X11

* Fix -Wundef warnings due to use of unguarded HAVE_MMDEVICEAPI_H

* Fix -Wundef warnings due to use of unguarded HAVE_PTHREAD_SETNAME_NP

* Fix -Wundef warnings due to use of unguarded HAVE_PTHREAD_SET_NAME_NP

* Fix -Wundef warnings due to use of unguarded HAVE_SETJMP

* Fix -Wundef warnings due to use of unguarded HAVE_SIGNAL_H

* Fix -Wundef warnings due to use of unguarded HAVE_TPCSHRD_H

* Fix -Wundef warnings due to use of unguarded MACOSX_COREAUDIO

* Fix -Wundef warnings due to use of unguarded SDL_HAPTIC_DINPUT

* Fix -Wundef warnings due to use of unguarded SDL_HAPTIC_IOKIT

* Fix -Wundef warnings due to use of unguarded SDL_HAPTIC_XINPUT

* Fix -Wundef warnings due to use of unguarded SDL_IPHONE_KEYBOARD

* Fix -Wundef warnings due to use of unguarded SDL_JOYSTICK_RAWINPUT

* Fix -Wundef warnings due to use of unguarded SDL_POWER_ANDROID

* Fix -Wundef warnings due to use of unguarded SDL_POWER_EMSCRIPTEN

* Fix -Wundef warnings due to use of unguarded SDL_POWER_HAIKU

* Fix -Wundef warnings due to use of unguarded SDL_POWER_LINUX

* Fix -Wundef warnings due to use of unguarded SDL_POWER_MACOSX

* Fix -Wundef warnings due to use of unguarded SDL_POWER_PSP

* Fix -Wundef warnings due to use of unguarded SDL_POWER_UIKIT

* Fix -Wundef warnings due to use of unguarded SDL_POWER_VITA

* Fix -Wundef warnings due to use of unguarded SDL_POWER_WINDOWS

* Fix -Wundef warnings due to use of unguarded SDL_THREAD_PTHREAD_RECURSIVE_MUTEX

* Fix -Wundef warnings due to use of unguarded SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_VIVANTE_VDK

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_WAYLAND

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_CGL

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_EGL

* Fix -Wundef warnings due to use of unguarded __MACOS__

* Fix -Wundef warnings due to use of unguarded __OpenBSD__

* Fix -Wundef warnings due to use of unguarded __FreeBSD__

* Fix -Wundef warnings due to use of unguarded __MWERKS__

* Fix -Wundef warnings due to use of unguarded __WIN32__

* Fix -Wundef warnings due to use of unguarded SDL_IPHONE_LAUNCHSCREEN

* Fix -Wundef warnings due to use of unguarded SDL_VIDEO_OPENGL_ES2

* Remove unused HAVE_CONST, HAVE_INLINE and HAVE_VOLATILE

* Revert "Use SDL alloc functions in libusb/hid.c"

This reverts commit 847c64b00d.

* Handle FAKE_RECURSIVE_MUTEX in similar way as SDL2

* Don't use defined in macro

src/stdlib/SDL_malloc.c

@@ -397,9 +397,9 @@ MALLINFO_FIELD_TYPE        default: size_t
   size_t. The value is used only if  HAVE_USR_INCLUDE_MALLOC_H is not set
 
 REALLOC_ZERO_BYTES_FREES    default: not defined
-  This should be set if a call to realloc with zero bytes should 
-  be the same as a call to free. Some people think it should. Otherwise, 
-  since this malloc returns a unique pointer for malloc(0), so does 
+  This should be set if a call to realloc with zero bytes should
+  be the same as a call to free. Some people think it should. Otherwise,
+  since this malloc returns a unique pointer for malloc(0), so does
   realloc(p, 0).
 
 LACKS_UNISTD_H, LACKS_FCNTL_H, LACKS_SYS_PARAM_H, LACKS_SYS_MMAN_H
@@ -2255,7 +2255,7 @@ static void reset_on_error(mstate m);
 
 /* -------------------------- Debugging setup ---------------------------- */
 
-#if ! DEBUG
+#ifndef DEBUG
 
 #define check_free_chunk(M,P)
 #define check_inuse_chunk(M,P)
@@ -2619,7 +2619,7 @@ static int change_mparam(int param_number, int value) {
   }
 }
 
-#if DEBUG
+#ifdef DEBUG
 /* ------------------------- Debugging Support --------------------------- */
 
 /* Check properties of any chunk, whether free, inuse, mmapped etc  */
@@ -3575,7 +3575,7 @@ static void* sys_alloc(mstate m, size_t nb) {
       m->seg.sflags = mmap_flag;
       m->magic = mparams.magic;
       init_bins(m);
-      if (is_global(m)) 
+      if (is_global(m))
         init_top(m, (mchunkptr)tbase, tsize - TOP_FOOT_SIZE);
       else {
         /* Offset top by embedded malloc_state */
@@ -3726,7 +3726,7 @@ static int sys_trim(mstate m, size_t pad) {
     }
 
     /* Unmap any unused mmapped segments */
-    if (HAVE_MMAP) 
+    if (HAVE_MMAP)
       released += release_unused_segments(m);
 
     /* On failure, disable autotrim to avoid repeated failed future calls */
@@ -3934,7 +3934,7 @@ static void* internal_memalign(mstate m, size_t alignment, size_t bytes) {
     while (a < alignment) a <<= 1;
     alignment = a;
   }
-  
+
   if (bytes >= MAX_REQUEST - alignment) {
     if (m != 0)  { /* Test isn't needed but avoids compiler warning */
       MALLOC_FAILURE_ACTION;
@@ -4117,7 +4117,7 @@ static void** ialloc(mstate m,
     }
   }
 
-#if DEBUG
+#ifdef DEBUG
   if (marray != chunks) {
     /* final element must have exactly exhausted chunk */
     if (element_size != 0) {
@@ -5179,7 +5179,7 @@ History:
     Trial version Fri Aug 28 13:14:29 1992  Doug Lea  (dl at g.oswego.edu)
       * Based loosely on libg++-1.2X malloc. (It retains some of the overall
          structure of old version,  but most details differ.)
- 
+
 */
 
 #endif /* !HAVE_MALLOC */