Re: [PATCH] build: Require glib >= 2.56

On Mon, Mar 01, 2021 at 16:00:47 -0700, Jim Fehlig wrote: > There are a few uses of g_autoslist in the qemu driver and likely > more will come throughout the codebase in the future. g_autoslist > first appeared in glib 2.56, so bump the minimum version. > > https://developer.gnome.org/glib/stable/glib-Miscellaneous-Macros.html#g-... Hmm, oops g_autoslist was my doing, unfortunately I thought we had guards in place to prevent using stuff from newer glib. Now when glib was introduced Daniel provided the following analysis of glib versions: RHEL-8: 2.56.1 RHEL-7: 2.50.3 Debian (Buster): 2.58.3 Debian (Stretch): 2.50.3 OpenBSD (Ports): 2.58.3 FreeBSD (Ports): 2.56.3 OpenSUSE Leap 15: 2.54.3 SLE12-SP2: 2.48.2 Ubuntu (Xenial): 2.48.0 macOS (Homebrew): 2.56.0 (commit 58e7c9bc05106c2fb76f9a72497bfc1b28988d71 ) Out of the above, this would exclude RHEL-7, Debian (Stretch), OpenSUSE Leap 15, SLE 12 and Ubuntu Xenial. At this point some of the distros went out of the support window: OpenSUSE LEAP 15 -> currently supported is LEAP 15.2, which has 2.62 SLE12 -> SLE15 is now more than 2 years out Ubuntu (Xenial) -> Ubuntu (Bionic) is more than 2 years out (2.56) Debian (Stretch) -> Debian (Buster) was released in July of 2019, but stretch is EOL (even our CI dropped it [1] Now the problem is with: RHEL-7 - > RHEL-8 was released in May of 2019 Thus we are 2 months out of dropping support for RHEL-7. On the other hand starting from RHEL-7.6/CentOS7.6 glib was updated to 2.56, so on a updated rhel-7/centos-7 the package will work. I'm not sure though how we approach the update of package during the lifetime of the distro as our platform support policy isn't clear on that [2]. My vote definitely goes for bumping the version. [1] https://gitlab.com/libvirt/libvirt-ci/-/commit/5abf5e7e23263f839f4ff79588... [2] https://libvirt.org/platforms.html