Apologies. I realised late last night that I had forgotten to update the paths zint in my shell and after doing that this morning all now works.

Apologies again.

Thanks for the help.

Keith

On 20/08/2023 22:05, Bruce Horrocks wrote:
On 20 Aug 2023, at 17:28, Keith McKay <mckaymeis...@gmail.com> wrote:
Hi all,

I've updated the zint barcode generator on my mac mini to 2.12.0 and now no 
barcode is produced. I have this vague recollection that it is only the 2.10.0 
version of zint which works in ConTeXt. If I am correct, is ConTeXt likely to 
be updated so that 2.12.0 works?  I originally installed zint with Homebrew. 
There is a very complicated thread on stackoverflow on how to downgrade to 
previous versions of a formula in homebrew, but it is far too complicated for 
my wee brain.
zint 2.12.0 works for me on an x64 Mac mini using ConTeXt ver: 2023.08.10 02:59

Following the instructions here <https://wiki.contextgarden.net/Barcodes>

1) I had to create the path $TEXROOT/tex/texmf-osx-64/bin/lib/luametatex/zint
2) I symbolic linked directly to the homebrew created libzint library

    $ cd $TEXROOT/tex/texmf-osx-64/bin/lib/luametatex/zint
    $ ln -s /usr/local/Cellar/zint/2.12.0/lib/libzint.dylib libzint.so

3) Then
    $ cd ~
    $ mtxrun --generate

4) and the sample file

    \usemodule[zint]
    \starttext
    \barcode[alternative=isbnx, text=9783865419026, width=4cm]
    \stoptext

    produced a barcode.

—
Bruce Horrocks
Hampshire, UK

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