Re: [PATCH] Make gnulib a submodule

[Paolo Bonzini]

> - determinism
>   in the past, several projects, including Bison, got
>   bitten because of interface changes or bugs in GNU Lib.
>   The problem is that it then happens for some people,
>   those who just run ./bootstrap.
> 
>   Now we have a fixed version of GNU Lib, and checking
>   out Bison will always give the same version of it.
>   Unless we upgrade it, via a commit.

Right.  You could also have a build bot trying new gnulibs every day or
two and committing a change automatically if the build went fine.

> When checking out bison for the first time (or whenever a
> submodule was added/updated), also run
> 
>     git submodules update --init

Updating the bootstrap script from gnulib.git will add submodule support
automatically.

Paolo