EXPERIMENTAL: don't link SDL2::SDL2main (removed in SDL 2.24.0)
Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -479,7 +479,6 @@ foreach(target devilution ${BIN_TARGET})
     target_compile_definitions(${target} PRIVATE USE_SDL1)
   else()
     target_link_libraries(${target} PRIVATE
-      SDL2::SDL2main
       SDL2::SDL2_ttf
       SDL2::SDL2_mixer)
   endif()
