Update SDL3 from 3.2.4 to 3.2.20

libs/SDL3/cmake/SDL3Config.cmake.in

@@ -77,6 +77,9 @@ else()
   endif()
 endif()
 
+if(NOT SDL3_COMPONENTS AND NOT TARGET SDL3::Headers AND NOT TARGET SDL3::SDL3-shared AND NOT TARGET SDL3::SDL3-static)
+    set(SDL3_FOUND FALSE)
+endif()
 check_required_components(SDL3)
 
 function(_sdl_create_target_alias_compat NEW_TARGET TARGET)
@@ -93,7 +96,7 @@ endfunction()
 if(NOT TARGET SDL3::SDL3)
   if(TARGET SDL3::SDL3-shared)
     _sdl_create_target_alias_compat(SDL3::SDL3 SDL3::SDL3-shared)
-  else()
+  elseif(TARGET SDL3::SDL3-static)
     _sdl_create_target_alias_compat(SDL3::SDL3 SDL3::SDL3-static)
   endif()
 endif()

libs/SDL3/cmake/sdlchecks.cmake

@@ -823,7 +823,7 @@ macro(CheckPTHREAD)
       if(CMAKE_C_COMPILER_ID MATCHES "SunPro")
         set(PTHREAD_LDFLAGS "-mt -lpthread")
       else()
-        set(PTHREAD_LDFLAGS "-pthread -lposix4")
+        set(PTHREAD_LDFLAGS "-pthread")
       endif()
     elseif(SYSV5)
       set(PTHREAD_CFLAGS "-D_REENTRANT -Kthread")
@@ -1077,6 +1077,14 @@ endmacro()
 
 # Check for HIDAPI support
 macro(CheckHIDAPI)
+  if(ANDROID)
+    enable_language(CXX)
+    sdl_sources("${SDL3_SOURCE_DIR}/src/hidapi/android/hid.cpp")
+  endif()
+  if(IOS OR TVOS)
+    sdl_sources("${SDL3_SOURCE_DIR}/src/hidapi/ios/hid.m")
+    set(SDL_FRAMEWORK_COREBLUETOOTH 1)
+  endif()
   if(SDL_HIDAPI)
     set(HAVE_HIDAPI ON)
     if(SDL_HIDAPI_LIBUSB)
@@ -1109,14 +1117,6 @@ macro(CheckHIDAPI)
     endif()
 
     if(HAVE_HIDAPI)
-      if(ANDROID)
-        enable_language(CXX)
-        sdl_sources("${SDL3_SOURCE_DIR}/src/hidapi/android/hid.cpp")
-      endif()
-      if(IOS OR TVOS)
-        sdl_sources("${SDL3_SOURCE_DIR}/src/hidapi/ios/hid.m")
-        set(SDL_FRAMEWORK_COREBLUETOOTH 1)
-      endif()
       set(HAVE_SDL_HIDAPI TRUE)
 
       if(SDL_JOYSTICK AND SDL_HIDAPI_JOYSTICK)