the lines in question: const fuzz_exe_path = try std.fs.path.join(b.allocator, &[_][]const u8{ b.cache_root, fuzz_executable_name }); // We want `afl-

the lines in question: const fuzz_exe_path = try std.fs.path.join(b.allocator, &[_][]const u8{ b.cache_root, fuzz_executable_name }); // We want `afl-clang-lto -o path/to/output path/to/object.o` const fuzz_compile = b.addSystemCommand(&[_][]const u8{ "afl-clang-lto", "-o" }); can be updated to newer syntax: const fuzz_exe_path = try std.fs.path.join(b.allocator, &.{ b.cache_root, fuzz_executable_name }); // We want `afl-clang-lto -o path/to/output path/to/object.o` const fuzz_compile = b.addSystemCommand(&.{ "afl-clang-lto", "-o" }); docs: https://ziglang.org/documentation/master/#Anonymous-List-Literals https://ziglang.org/documentation/master/#Anonymous-List-Lit... added in zig 0.6.0: https://ziglang.org/download/0.6.0/release-notes.html#Tuples-Added-Var-Args-Removed https://ziglang.org/download/0.6.0/release-notes.html#Tuples...