packageOptions

pub fn packageOptions(b: *std.Build, wc: *Configuration.Wip) Allocator.Error!void {
    const gpa = wc.gpa;

    try wc.available_options.ensureTotalCapacityPrecise(gpa, b.available_options_map.count());
    for (b.available_options_map.keys(), b.available_options_map.values()) |name, *opt| {
        wc.available_options.appendAssumeCapacity(.{
            .name = try wc.addString(name),
            .description = try wc.addString(opt.description),
            .type = opt.type_id,
            .enum_options = if (opt.enum_options) |enum_vals| .init(try wc.addStringList(enum_vals)) else .none,
        });
    }
}