bug#41421: 28.0.50; HarfBuzz font shaping library not found

[Eli Zaretskii]

> From: Andreas Röhler <andreas.roehler@easy-emacs.de>
> Date: Thu, 21 May 2020 08:50:09 +0200
> Cc: 41421@debbugs.gnu.org
> 
> > What does
> >
> >      pkg-config --exists --print-errors "harfbuzz >= 1.2.3"
> >
> > return? Itʼs possible you need to adjust your PKG_CONFIG_PATH to
> > include the location of libharfbuzz.pc
> >
> > Robert
> 
> 
> configure:15649: checking for harfbuzz >= 0.9.42
> configure:15656: $PKG_CONFIG --exists --print-errors "harfbuzz >= 0.9.42"
> Requested 'harfbuzz >= 0.9.42' but version of harfbuzz is 0.9.35
> configure:15659: $? = 1
> configure:15673: $PKG_CONFIG --exists --print-errors "harfbuzz >= 0.9.42"
> Requested 'harfbuzz >= 0.9.42' but version of harfbuzz is 0.9.35
> configure:15676: $? = 1
> configure:15690: result: no
> Requested 'harfbuzz >= 0.9.42' but version of harfbuzz is 0.9.35

So I suggest to upgrade to a newer version of HarfBuzz.  0.9.35 is
very old.