> For example, Haskell packages are not currently reproducible when compiled by more than one thread Doesn't seem like a big issue to me. The gcc compiler does

> For example, Haskell packages are not currently reproducible when compiled by more than one thread Doesn't seem like a big issue to me. The gcc compiler doesn't even support multithreaded compiling. In the C world, parallelism comes from compiling multiple translation units in parallel, not any one with multiple threads.