[Libguestfs] Re: Notes on cross-compiling the daemon

[Jim Meyering]

Richard W.M. Jones wrote:
> Notes on issues cross-compiling the daemon.
>
> I installed the Fedora Windows cross compiler and
> mingw32-portablexdr[1] and then did:
>
>   cd daemon
>   mingw32-configure
>   make
>
> * No custom format specifiers.  No replacement in Gnulib's printf
>   either.  Bugger.
>
> * No chroot.  That means that cases where we use CHROOT_IN/CHROOT_OUT
>   have to be rewritten.  There's this almost laughable Windows library
>   function which we might use:
>   http://msdn.microsoft.com/en-us/library/bb773569%28VS.85%29.aspx
>   This one needs more thought.
>
> * guestfsd.c socket code needs some attention.
>
> * guestfsd.c: command* functions need a Win32 replacement.
>
> * proto.c: Protocol code uses a select loop which could be replaced
>   with a Win32 equivalent or (probably easier) we just use the Gnulib

I agree that using the Gnulib one sounds easier ;-)

>   replacement select function.
>
> * stubs.c: LVM tokenizing code is a bit broken for reasons I didn't
>   look into very deeply.  We need to check for LVM availability in
>   the appliance and disable all LVM-related code conditionally.
>
> These functions are missing, but Gnulib provides replacements:
>
>   + mkdtemp
>   + fstatat (gnulib module: openat)
>   + getline
>   + glob
>   + sleep
>   + strchrnul
>
> These functions are missing, and Gnulib provides no replacement
> (but it really should do):
>
>   - fstatvfs
>   - futimens
>   - posix_fallocate
>   - pread
>   - readlinkat

There is a new readlinkat module.
Does it not work?
It's probably just time to upgrade to more recent gnulib.

>   - realpath
>   - sync

These sound easy.  Esp the latter.