Re: [PATCH v2] configure: add support for pseudo-"in source tree" builds

[Kevin Wolf]

Am 21.08.2020 um 12:15 hat Paolo Bonzini geschrieben:
> On 21/08/20 12:04, Kevin Wolf wrote:
> >> So I'm not sure why the first build gets as far as it does, but does NOT
> >> complete things and yet does not fail make, but my advice is that you 
> >> should
> >> NOT try to an incremental build on in-tree build when crossing the meson
> >> epoch.  If you are a fan of in-tree convenience, you need a ONE-TIME
> >> distclean when pulling in these changes (the fact that you HAVE to clean up
> >> trace.h files to merge in the meson stuff should be a hint for that).  
> >> After
> >> that has been done, you can go back to pretending meson supports in-tree.
> > Sounds like it will be painful to switch between branches based on make
> > and branches based on meson. By extension, it will also be painful to
> > check out and build old versions for comparison, or doing that even more
> > than once during git bisect. :-(
> 
> Not if you switch to out-of-tree builds...

I don't see what out-of-tree builds change about this unless I delete
and reconfigure them after each step? Even in those cases where I use
out-of-tree builds, I often reuse the same directory.

Kevin