Re: What version of harfbuzz is required?

[Colin Baxter]

Hello Robert,
>>>>> Robert Pluim <rpluim@gmail.com> writes:

    > Colin Baxter <m43cap@yandex.com> writes:
    >> Hello,
    >> 
    >> When building emacs from master I get the warning:
    >> 
    >> WARNING: This configuration uses the Cairo graphics library, but
    >> not the HarfBuzz font shaping library.  We recommend the use of
    >> HarfBuzz when using Cairo, please install HarfBuzz development
    >> packages.
    >> 
    >> I have harfbuzz bin and dev libraries (0.9.35-2+deb8u1)
    >> installed, but presumably they are too old. I am using i686
    >> GNU/Linux 3.16.0-11-686-pae #1 SMP Debian 3.16.84-1 (2020-06-09).
    >> 
    >> What minimal harfbuzz version do I need?

    > From configure.ac:

    >     if test "${HAVE_W32}" = "yes"; then
    > EMACS_CHECK_MODULES([HARFBUZZ], [harfbuzz >= 1.2.3]) else
    > EMACS_CHECK_MODULES([HARFBUZZ], [harfbuzz >= 0.9.42]) fi

    > and the configure output says: checking for harfbuzz >=
    > 0.9.42... yes

Ok, 0.9.42. I suppose it's time to bite the bullet and upgrade my Debian.

    > I guess we could put the version in the warning as well, but it
    > seems a little excessive.

It could be useful in avoiding eye strain in searching the configure
output for a mention of 'harfbuzz' :-)

Thanks.



Colin.