From 998117b3ff80640fb2840522fddfef13417aa62f Mon Sep 17 00:00:00 2001
From: pionere <pionere@freemail.hu>
Date: Sun, 9 Jan 2022 16:00:22 +0100
Subject: [PATCH] add 'Misc' subsystem

---
 CMakeLists.txt             | 73 ++++++++++++++++++++++----------------
 include/SDL_config.h.cmake |  1 +
 include/SDL_config.h.in    |  1 +
 3 files changed, 45 insertions(+), 30 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4ea565474..b8e227898 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -361,7 +361,7 @@ set(LONGESTOPTIONNAME 0)  # set_option and friends will change this.
 
 set(SDL_SUBSYSTEMS
     Atomic Audio Video Render Events Joystick Haptic Hidapi Power Threads Timers
-    File Loadso CPUinfo Filesystem Dlopen Sensor Locale)
+    File Loadso CPUinfo Filesystem Dlopen Sensor Locale Misc)
 foreach(_SUB ${SDL_SUBSYSTEMS})
   string(TOUPPER ${_SUB} _OPT)
   if (NOT DEFINED SDL_${_OPT}_ENABLED_BY_DEFAULT)
@@ -1037,9 +1037,11 @@ if(ANDROID)
   file(GLOB ANDROID_CORE_SOURCES ${SDL2_SOURCE_DIR}/src/core/android/*.c)
   set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_CORE_SOURCES} ${ANDROID_NDK}/sources/android/cpufeatures/cpu-features.c)
 
-  file(GLOB ANDROID_MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/android/*.c)
-  set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_MISC_SOURCES})
-  set(HAVE_SDL_MISC TRUE)
+  if(SDL_MISC)
+    file(GLOB ANDROID_MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/android/*.c)
+    set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_MISC_SOURCES})
+    set(HAVE_SDL_MISC TRUE)
+  endif()
 
   # SDL_spinlock.c Needs to be compiled in ARM mode.
   # There seems to be no better way currently to set the ARM mode.
@@ -1449,9 +1451,11 @@ elseif(UNIX AND NOT APPLE AND NOT ANDROID AND NOT RISCOS AND NOT HAIKU)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DHAVE_LINUX_VERSION_H")
   endif()
 
-  file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/unix/*.c)
-  set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
-  set(HAVE_SDL_MISC TRUE)
+  if(SDL_MISC)
+    file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/unix/*.c)
+    set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
+    set(HAVE_SDL_MISC TRUE)
+  endif()
 
   if(SDL_POWER)
     if(LINUX)
@@ -1523,14 +1527,15 @@ elseif(WINDOWS)
     endif()
   endif()
 
-  if(WINDOWS_STORE)
-    file(GLOB WINRT_MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/winrt/*.cpp)
-    set(SOURCE_FILES ${SOURCE_FILES} ${WINRT_MISC_SOURCES})
-  else()
-  file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/windows/*.c)
-  set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
+  if(SDL_MISC)
+    if(WINDOWS_STORE)
+      file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/winrt/*.cpp)
+    else()
+      file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/windows/*.c)
+    endif()
+    set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
+    set(HAVE_SDL_MISC TRUE)
   endif()
-  set(HAVE_SDL_MISC TRUE)
 
   # Check for DirectX
   if(SDL_DIRECTX)
@@ -1825,14 +1830,16 @@ elseif(APPLE)
     message_error("SDL_FILE must be enabled to build on MacOS X")
   endif()
 
-  if(IOS OR TVOS)
-    file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/ios/*.m)
-    file(GLOB SDLMAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/uikit/*.c)
-  else()
-    file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/macosx/*.m)
+  if(SDL_MISC)
+    if(IOS OR TVOS)
+      file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/ios/*.m)
+      file(GLOB SDLMAIN_SOURCES ${SDL2_SOURCE_DIR}/src/main/uikit/*.c)
+    else()
+      file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/macosx/*.m)
+    endif()
+    set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
+    set(HAVE_SDL_MISC TRUE)
   endif()
-  set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
-  set(HAVE_SDL_MISC TRUE)
 
   if(SDL_AUDIO)
     set(SDL_AUDIO_DRIVER_COREAUDIO 1)
@@ -2127,9 +2134,11 @@ elseif(HAIKU)
     set(HAVE_SDL_JOYSTICK TRUE)
   endif()
 
-  file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/haiku/*.cc)
-  set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
-  set(HAVE_SDL_MISC TRUE)
+  if(SDL_MISC)
+    file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/haiku/*.cc)
+    set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
+    set(HAVE_SDL_MISC TRUE)
+  endif()
 
   if(SDL_VIDEO)
     set(SDL_VIDEO_DRIVER_HAIKU 1)
@@ -2181,9 +2190,11 @@ elseif(HAIKU)
   list(APPEND EXTRA_LIBS root be media game device textencoding)
 
 elseif(RISCOS)
-  file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/riscos/*.c)
-  set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
-  set(HAVE_SDL_MISC TRUE)
+  if(SDL_MISC)
+    file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/riscos/*.c)
+    set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
+    set(HAVE_SDL_MISC TRUE)
+  endif()
 
   if(SDL_VIDEO)
     set(SDL_VIDEO_DRIVER_RISCOS 1)
@@ -2223,9 +2234,11 @@ elseif(VITA)
     set_source_files_properties(${SDL2_SOURCE_DIR}/src/atomic/SDL_spinlock.c PROPERTIES COMPILE_FLAGS -marm)
   endif()
 
-  file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/vita/*.c)
-  set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
-  set(HAVE_SDL_MISC TRUE)
+  if(SDL_MISC)
+    file(GLOB MISC_SOURCES ${SDL2_SOURCE_DIR}/src/misc/vita/*.c)
+    set(SOURCE_FILES ${SOURCE_FILES} ${MISC_SOURCES})
+    set(HAVE_SDL_MISC TRUE)
+  endif()
 
   if(SDL_AUDIO)
     set(SDL_AUDIO_DRIVER_VITA 1)
diff --git a/include/SDL_config.h.cmake b/include/SDL_config.h.cmake
index ee4ffeb8f..af135c93a 100644
--- a/include/SDL_config.h.cmake
+++ b/include/SDL_config.h.cmake
@@ -278,6 +278,7 @@
 #cmakedefine SDL_POWER_DISABLED @SDL_POWER_DISABLED@
 #cmakedefine SDL_FILESYSTEM_DISABLED @SDL_FILESYSTEM_DISABLED@
 #cmakedefine SDL_LOCALE_DISABLED @SDL_LOCALE_DISABLED@
+#cmakedefine SDL_MISC_DISABLED @SDL_MISC_DISABLED@
 
 /* Enable various audio drivers */
 #cmakedefine SDL_AUDIO_DRIVER_ALSA @SDL_AUDIO_DRIVER_ALSA@
diff --git a/include/SDL_config.h.in b/include/SDL_config.h.in
index a6ab9015e..5ef2c15b9 100644
--- a/include/SDL_config.h.in
+++ b/include/SDL_config.h.in
@@ -264,6 +264,7 @@
 #undef SDL_POWER_DISABLED
 #undef SDL_FILESYSTEM_DISABLED
 #undef SDL_LOCALE_DISABLED
+#undef SDL_MISC_DISABLED
 
 /* Enable various audio drivers */
 #undef SDL_AUDIO_DRIVER_AAUDIO