Re: [libvirt PATCH 000/351] port libvirt to Meson build system

On a Tuesday in 2020, Daniel P. Berrangé wrote: > On Tue, Jul 28, 2020 at 10:00:20AM +0200, Pavel Hrdina wrote: > > 3) Keep the patches as they are but error out in meson until the > > conversion is complete. The error can be used to detect if git > > bisect is withing the meson rewrite. > > > > Pros: - full history of changes where each commit removes the > > relevant bits from autotools > > > > - git bisect is not broken if failed compilation is not an > > issue and marked as git bisect skip > > > > > > Cons: - meson build will fail and there is no autogen.sh so no > > way how to compile libvirt even partially > > > > - script used for git bisect will have to skip failed > > compilation with an option to check for specific error > > ..So explicitly failing the meson build is a significant improvement. > > We could have > > - Meson build is forced to fail out of the box > - An option "force_incomplete_build" to turn off the fail > - When failing prints an error message > > "This commit is part of the meson conversion and does not > build a complete libvirt. If bisecting, use "git bisect skip" > to continue, or "-Dforce_incomplete_build=true" to perform a > partial build" > For unattended bisects, it would be nice to return 125 which is the magic value meaning 'skip' to 'git bisect run'.