Re: btrfs-progs-v4.12: cross compiling

[David Sterba <dsterba@suse.cz>]

On Mon, Aug 14, 2017 at 09:17:08PM +0800, Qu Wenruo wrote:
> 
> 
> On 2017年08月14日 21:06, David Sterba wrote:
> > On Mon, Aug 14, 2017 at 02:17:26PM +0200, Hallo32 wrote:
> >> Since versions 4.12 btrfs-progs is complicated to cross compile for
> >> other systems.
> >> The problem is, that this version includes mktables, which needs to be
> >> compiled for the host system and executed there for the creation of
> >> tables.c.
> >>
> >> Are there any changes planed for the next version of btrfs-progs to make
> >> the cross compiling as simple as in the past? A included tables.c for
> >> example?
> > 
> > Yes, keeping the generated tables.c around is fine. There's no reason it
> > needs to be generated each time during build. I'll fix that in 4.12.1.
> 
> But the number of lines and impossibility to review it makes it not 
> suitable to be managed by git.

I don't understand your concern. The file is generated from a set of
formulas, not intended to be updated directly.
> 
> What about using script to generate it?

We do have the mktables utility to generate it and I'll regenerate it
should there be a change to kernel-lib/mktables.c