Kodi build fails /usr/local/lib/compat/libstdc++.so.6: version GLIBCXX_3.4.11 required

[Dave]

On Monday 27 February 2017 21:25:08 you wrote:
> > Enviar: lunes 27 de febrero de 2017 a las 21:12
> > De: Dave <freebsd01 at dgmm.net>
> > Para: freebsd-ports at freebsd.org
> > CC: "Carlos Jacobo Puga Medina" <cjpm at gmx.es>
> > Asunto: Re: Kodi build fails /usr/local/lib/compat/libstdc++.so.6: version GLIBCXX_3.4.11 required
> >
> > On Monday 27 February 2017 18:54:56 you wrote:
> > > Hi Dave,
> > > 
> > > You must deinstall misc/compat9x before install multimedia/kodi.
> > > 
> > > When the kodi installation is complete, you can install compat9x port again.
> > 
> > Yes, that fixed it.  Thanks!
> > 
> > I was almost at the solution myself when your email arrived.
> > 
> > I was being a bit blind in terms of the relevant file being in
> > the compat hierarchy and had just noticed that.  I'd not quite
> > got to the point of thinking of or trying a deinstall of compat9x
> > though.  I was just about to try a reinstall of compat9x
> > 
> > Doing a pgk delete of compat9x showed only archivers/rar as
> > a dependency.  Sadly, I need rar installed so need compat9 too.
> > 
> > Both reinstalled safely after the Kodi build/install though.
> > 
> > Thanks again.
> > 
> 
> Unfortunately, build conflicts are not recorded in the resulting package.
> 
> % cd /usr/ports/multimedia/kodi && make -V CONFLICTS_BUILD
> compat9x
> 
> misc/compat9x is listed in CONFLICTS_BUILD [0]. So it's a good idea to manually check the Makefile.
> 
> [0] https://www.freebsd.org/doc/en_US.ISO8859-1/books/porters-handbook/conflicts.html

Thanks Carlos, I wasn't aware of that.  Added to my "fix it" armoury :-)
(Copied into ports@ list for completeness of solution)