Libreoffice 6.1 branch fails to build against >=harfbuzz-1.8.1

[georgediam@xxxxxxxxx (George Diamantopoulos)]

This is the exact same output I'm getting on my machine from
pkg-config. Are you saying this is an issue with the ebuild, and that
libreoffice build system should be able to find the headers fine?
On Tue, 10 Jul 2018 at 11:42, Michael Stahl <mst at libreoffice.org> wrote:
>
> On 09.07.2018 18:25, George Diamantopoulos wrote:
> > Hello all,
> >
> > I've been trying to build the current 6.1 git branch of libreoffice,
> > and it seems that it has trouble finding some headers provided by
> > harfbuzz. More specifically, compilation fails with:
> >
> >> libreoffice-6.1.9999/vcl/inc/sallayout.hxx:28:10: fatal error: hb.h: No such file or directory
> >
> > This is on gentoo, using the ebuild found in portage. I opened a bug
> > on gentoo's bugzilla first, but I was told by a developer there that I
> > should notify upstream. I checked for presence of the header file on
> > my system, and it's available in the following path:
> >
> >> /usr/include/harfbuzz/hb.h
> >
> > You may find a build log and environment information at the
> > aforementioned gentoo bug page:
> >
> >> https://bugs.gentoo.org/659896
> >
> > Please let me know if I can be of further help. I've tried with
> > harfbuzz 1.8.1 and 1.8.2, same result. I'm not sure if 1.8.0 is
> > affected as well. Reportedly, libreoffice 6.0 builds fine with these
> > library versions (not tested by me, other users said so in the gentoo
> > bug page). Thank you.
>
> on Fedora 28, i get:
>
> > pkg-config --cflags harfbuzz
> > -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include
>
> given the location of /usr/include/harfbuzz/hb.h, the first include path
> in that output is what makes this work.