On Thu, Oct 1, 2015 at 6:47 PM, Dani Moncayo <dmoncayo@gmail.com> wrote:
>
> From MSYS bash, better use POSIX-style paths, e.g., write "/c/foo"
> instead of "c:/foo".

I've tried, but it makes no difference in this case.

> And --prefix should be an absolute path, e.g. "/c/usr".

pwd returns an absolute path

$ pwd

/c/Devel/emacs/repo/trunk