MacOS 13.3 build fails

[VictorEijkhout]

Uh oh. Something with the CommandlineTool SDK....

[ 19%] Building CXX object src/SFML/Window/CMakeFiles/sfml-window.dir/Joystick.cpp.o
cd /Users/eijkhout/Installation/sfml/build-2.6.0-macbookair-gcc12/src/SFML/Window && /opt/local/bin/g++ -DSFML_WINDOW_EXPORTS -I/Users/eijkhout/Installation/sfml/sfml-2.6.0/include -I/Users/eijkhout/Installation/sfml/sfml-2.6.0/src -I/Users/eijkhout/Installation/sfml/sfml-2.6.0/extlibs/headers/vulkan -isystem /Users/eijkhout/Installation/sfml/sfml-2.6.0/extlibs/headers/glad/include -iframework /Library/Developer/CommandLineTools/SDKs/MacOSX13.3.sdk/System/Library/Frameworks -O3 -DNDEBUG -arch arm64 -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX13.3.sdk -mmacosx-version-min=13.0 -fPIC -fvisibility=hidden -stdlib=libc++  -Wall -Wextra -Wshadow -Wnon-virtual-dtor -Wcast-align -Wunused -Woverloaded-virtual -Wconversion -Wsign-conversion -Wdouble-promotion -Wformat=2 -Wnull-dereference -Wold-style-cast -Wpedantic -Wmisleading-indentation -Wduplicated-cond -Wlogical-op -Wduplicated-branches -MD -MT src/SFML/Window/CMakeFiles/sfml-window.dir/Joystick.cpp.o -MF CMakeFiles/sfml-window.dir/Joystick.cpp.o.d -o CMakeFiles/sfml-window.dir/Joystick.cpp.o -c /Users/eijkhout/Installation/sfml/sfml-2.6.0/src/SFML/Window/Joystick.cpp
In file included from /Users/eijkhout/Installation/sfml/sfml-2.6.0/src/SFML/Window/OSX/JoystickImpl.hpp:35,
                 from /Users/eijkhout/Installation/sfml/sfml-2.6.0/src/SFML/Window/JoystickImpl.hpp:102,
                 from /Users/eijkhout/Installation/sfml/sfml-2.6.0/src/SFML/Window/JoystickManager.hpp:32,
                 from /Users/eijkhout/Installation/sfml/sfml-2.6.0/src/SFML/Window/Joystick.cpp:29:
/Library/Developer/CommandLineTools/SDKs/MacOSX13.3.sdk/System/Library/Frameworks/IOKit.framework/Headers/hid/IOHIDDevice.h:273:34: error: 'dispatch_block_t' has not been declared
  273 |                                  dispatch_block_t               handler)
      |                                  ^~~~~~~~~~~~~~~~
make[3]: *** [src/SFML/Window/CMakeFiles/sfml-window.dir/Joystick.cpp.o] Error 1
make[2]: *** [src/SFML/Window/CMakeFiles/sfml-window.dir/all] Error 2
make[2]: *** Waiting for unfinished jobs....

[VictorEijkhout]

Apparently a known problem. I'll try clang.

[ChrisThrasher]

If anyone comes across this issue in the future, we'd love to fix this and make GCC work on Apple platforms but we're simply unaware of how to do it.

[Bromeon]

Loosely related: #2582 #2583

[eXpl0it3r]

Duplicates #2790