interop defs = "c" (:current_dir, "defines.h", @[]);

int main()
{
    return /*defs:TEST2 + defs:TEST3 + defs:TEST4 + defs:TEST5 + defs:TEST6 +*/
           defs:x1 + defs:x2 + defs:x3 + defs:x4 + defs:x5 + defs:x6 +
           defs:x7 + defs:x8 + defs:x9 + defs:x10 + defs:x11 + defs:x12 +
           defs:x13 + defs:x14;
}