get aarch64-none-elf to configure & build

configure

@@ -25619,6 +25619,72 @@ $as_echo "#define SDL_TIMER_UNIX 1" >>confdefs.h
             have_timers=yes
         fi
         ;;
+	aarch64-none-elf*)
+        ARCH=switch
+        EXTRA_CFLAGS="$EXTRA_CFLAGS -isystem${DEVKITPRO}/libnx/include -I${DEVKITPRO}/portlibs/switch/include -D__SWITCH__=1"
+        CheckDeclarationAfterStatement
+        CheckDiskAudio
+        CheckDummyAudio
+
+        # Set up files for the video library
+        if test x$enable_video = xyes; then
+
+$as_echo "#define SDL_VIDEO_DRIVER_SWITCH 1" >>confdefs.h
+
+           SOURCES="$SOURCES $srcdir/src/video/switch/*.c"
+           SUMMARY_video="${SUMMARY_video} switch"
+           have_video=yes
+        fi
+        # Set up files for the audio library
+        if test x$enable_audio = xyes; then
+
+$as_echo "#define SDL_AUDIO_DRIVER_SWITCH 1" >>confdefs.h
+
+           SOURCES="$SOURCES $srcdir/src/audio/switch/*.c"
+           SUMMARY_audio="${SUMMARY_audio} switch"
+           have_audio=yes
+        fi
+        # Set up files for the joystick library
+        if test x$enable_joystick = xyes; then
+
+$as_echo "#define SDL_JOYSTICK_SWITCH 1" >>confdefs.h
+
+            SOURCES="$SOURCES $srcdir/src/joystick/switch/*.c"
+            have_joystick=yes
+        fi
+        # Set up files for the timer library
+        if test x$enable_timers = xyes; then
+
+$as_echo "#define SDL_TIMER_SWITCH 1" >>confdefs.h
+
+            SOURCES="$SOURCES $srcdir/src/timer/switch/*.c"
+            have_timers=yes
+        fi
+        # Set up files for the system power library
+        if test x$enable_power = xyes; then
+
+$as_echo "#define SDL_POWER_SWITCH 1" >>confdefs.h
+
+            SOURCES="$SOURCES $srcdir/src/power/switch/*.c"
+            have_power=yes
+        fi
+        # Set up files for the system filesystem library
+        if test x$enable_filesystem = xyes; then
+
+$as_echo "#define SDL_FILESYSTEM_SWITCH 1" >>confdefs.h
+
+            SOURCES="$SOURCES $srcdir/src/filesystem/switch/*.c"
+            have_filesystem=yes
+        fi
+        # Set up files for the thread library
+        if test x$enable_threads = xyes; then
+
+$as_echo "#define SDL_THREAD_SWITCH 1" >>confdefs.h
+
+            SOURCES="$SOURCES $srcdir/src/thread/switch/*.c"
+            have_threads=yes
+        fi
+        ;;
     *)
         as_fn_error $? "
 *** Unsupported host:  Please add to configure.ac

configure.ac

@@ -4230,6 +4230,58 @@ AS_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[defau
             have_timers=yes
         fi
         ;;
+	aarch64-none-elf*)
+        ARCH=switch
+        EXTRA_CFLAGS="$EXTRA_CFLAGS -isystem${DEVKITPRO}/libnx/include -I${DEVKITPRO}/portlibs/switch/include -D__SWITCH__=1"
+        CheckDeclarationAfterStatement
+        CheckDiskAudio
+        CheckDummyAudio
+
+        # Set up files for the video library
+        if test x$enable_video = xyes; then
+           AC_DEFINE(SDL_VIDEO_DRIVER_SWITCH, 1, [ ])
+           SOURCES="$SOURCES $srcdir/src/video/switch/*.c"
+           SUMMARY_video="${SUMMARY_video} switch"
+           have_video=yes
+        fi
+        # Set up files for the audio library
+        if test x$enable_audio = xyes; then
+           AC_DEFINE(SDL_AUDIO_DRIVER_SWITCH, 1, [ ])
+           SOURCES="$SOURCES $srcdir/src/audio/switch/*.c"
+           SUMMARY_audio="${SUMMARY_audio} switch"
+           have_audio=yes
+        fi
+        # Set up files for the joystick library
+        if test x$enable_joystick = xyes; then
+            AC_DEFINE(SDL_JOYSTICK_SWITCH, 1, [ ])
+            SOURCES="$SOURCES $srcdir/src/joystick/switch/*.c"
+            have_joystick=yes
+        fi
+        # Set up files for the timer library
+        if test x$enable_timers = xyes; then
+            AC_DEFINE(SDL_TIMER_SWITCH, 1, [ ])
+            SOURCES="$SOURCES $srcdir/src/timer/switch/*.c"
+            have_timers=yes
+        fi
+        # Set up files for the system power library
+        if test x$enable_power = xyes; then
+            AC_DEFINE(SDL_POWER_SWITCH, 1, [ ])
+            SOURCES="$SOURCES $srcdir/src/power/switch/*.c"
+            have_power=yes
+        fi
+        # Set up files for the system filesystem library
+        if test x$enable_filesystem = xyes; then
+            AC_DEFINE(SDL_FILESYSTEM_SWITCH, 1, [ ])
+            SOURCES="$SOURCES $srcdir/src/filesystem/switch/*.c"
+            have_filesystem=yes
+        fi
+        # Set up files for the thread library
+        if test x$enable_threads = xyes; then
+            AC_DEFINE(SDL_THREAD_SWITCH, 1, [ ])
+            SOURCES="$SOURCES $srcdir/src/thread/switch/*.c"
+            have_threads=yes
+        fi
+        ;;
     *)
         AC_MSG_ERROR([
 *** Unsupported host:  Please add to configure.ac

include/SDL_config.h.in

@@ -287,6 +287,7 @@
 #undef SDL_AUDIO_DRIVER_SUNAUDIO
 #undef SDL_AUDIO_DRIVER_WASAPI
 #undef SDL_AUDIO_DRIVER_WINMM
+#undef SDL_AUDIO_DRIVER_SWITCH
 
 /* Enable various input drivers */
 #undef SDL_INPUT_LINUXEV
@@ -307,6 +308,7 @@
 #undef SDL_JOYSTICK_RAWINPUT
 #undef SDL_JOYSTICK_EMSCRIPTEN
 #undef SDL_JOYSTICK_VIRTUAL
+#undef SDL_JOYSTICK_SWITCH
 #undef SDL_HAPTIC_DUMMY
 #undef SDL_HAPTIC_ANDROID
 #undef SDL_HAPTIC_LINUX
@@ -331,12 +333,14 @@
 #undef SDL_THREAD_PTHREAD_RECURSIVE_MUTEX
 #undef SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP
 #undef SDL_THREAD_WINDOWS
+#undef SDL_THREAD_SWITCH
 
 /* Enable various timer systems */
 #undef SDL_TIMER_HAIKU
 #undef SDL_TIMER_DUMMY
 #undef SDL_TIMER_UNIX
 #undef SDL_TIMER_WINDOWS
+#undef SDL_TIMER_SWITCH
 
 /* Enable various video drivers */
 #undef SDL_VIDEO_DRIVER_HAIKU
@@ -382,6 +386,7 @@
 #undef SDL_VIDEO_DRIVER_VIVANTE
 #undef SDL_VIDEO_DRIVER_VIVANTE_VDK
 #undef SDL_VIDEO_DRIVER_QNX
+#undef SDL_VIDEO_DRIVER_SWITCH
 
 #undef SDL_VIDEO_RENDER_D3D
 #undef SDL_VIDEO_RENDER_D3D11
@@ -417,6 +422,7 @@
 #undef SDL_POWER_ANDROID
 #undef SDL_POWER_EMSCRIPTEN
 #undef SDL_POWER_HARDWIRED
+#undef SDL_POWER_SWITCH
 
 /* Enable system filesystem support */
 #undef SDL_FILESYSTEM_HAIKU
@@ -427,6 +433,7 @@
 #undef SDL_FILESYSTEM_NACL
 #undef SDL_FILESYSTEM_ANDROID
 #undef SDL_FILESYSTEM_EMSCRIPTEN
+#undef SDL_FILESYSTEM_SWITCH
 
 /* Enable assembly routines */
 #undef SDL_ASSEMBLY_ROUTINES

src/dynapi/SDL_dynapi.h

@@ -57,6 +57,8 @@
 #define SDL_DYNAMIC_API 0
 #elif defined(__clang_analyzer__)
 #define SDL_DYNAMIC_API 0  /* Turn off for static analysis, so reports are more clear. */
+#elif defined(__SWITCH__) && __SWITCH__
+#define SDL_DYNAMIC_API 0  /* Probably not useful on switch. */
 #endif
 
 /* everyone else. This is where we turn on the API if nothing forced it off. */

src/thread/SDL_thread_c.h

@@ -38,6 +38,8 @@
 #include "stdcpp/SDL_systhread_c.h"
 #elif SDL_THREAD_OS2
 #include "os2/SDL_systhread_c.h"
+#elif SDL_THREAD_SWITCH
+#include "switch/SDL_systhread_c.h"
 #else
 #error Need thread implementation for this platform
 #include "generic/SDL_systhread_c.h"

src/thread/switch/SDL_systhread_c.h

@@ -0,0 +1,24 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include <switch.h>
+
+typedef Thread* SYS_ThreadHandle;