Issues with building libvirt v6.7.0 on RHEL8.3

[Daniel P. Berrangé]

On Mon, Sep 14, 2020 at 02:49:20PM +0200, Erik Skultety wrote:
> On Mon, Sep 14, 2020 at 02:44:16PM +0300, Eli Cohen wrote:
> > On Mon, Sep 14, 2020 at 12:14:40PM +0100, Daniel P. Berrangé wrote:
> > > >
> > > > $ ninja -C build
> > > > ninja: Entering directory `build'
> > > > [1124/1210] Generating virsh.html.in with a meson_exe.py custom command
> > > > FAILED: docs/manpages/virsh.html.in
> > > > /usr/bin/meson --internal exe --capture docs/manpages/virsh.html.in --
> > > > /usr/local/bin/rst2html5 --stylesheet= --strict docs/manpages/virsh.rst
> > >
> > > We'd expect to see that in /usr/bin/rst2html5 - it looks lke you've
> > > installed a non-standard docutils build / version and that appears to
> > > be breaking docs generation.
> > >
> > >
> >
> > Looks to me like the build scripts look for rst2html5 in
> > /usr/local/bin/. In anycase I did not put any package in /usr/local. In
> > any case, I see different versions of rst2html5 in both /usr/bin and
> > /usr/local/bin.
> 
> It's not the build script that looks under /usr/local/bin, it's the PATH
> variable which likely lists /usr/local/bin before /usr/bin. So, the only
> explanation I have for you as for how rst2html5 appeared under /usr/local/bin
> is that you or someone else installed it with pip as root.
> And the new docutils 0.16 looks like broke libvirt, so please stick with 0.15.

It isn't docutils version that matters actually.

It turns out there are 2 completely separate impls of rst2html5. One
that is bundled with docutils on pip, which is the one libvirt works
with. The other is in a rst2html5 package on pip.

Basically need to remove the standalone rst2html5 pacakge that was
installed from pip, or remove /usr/local/bin from $PATH so that it
finds the from one docutils in /usr/bin

Regards,
Daniel
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