- std.Build.TestOptions has been replaced with custom 'Config' struct
- enum `{ off, trap, full }` and enum `{ none, full, thin }` for options `c_sdl_sanitize_c` and `c_sdl_lto` has been correspondingly replaced with std.zig.SanitizeC and std.zig.LtoMode
- addStaticLibrary has been replaced with addLibrary
- `b.Module` is now properly populated and used