Pix application can't access cargo_io

I am running Manjaro Sway stable, the 2024-05-29 update, on two machines. I am using pix from extra repository, version 3.2.2-4. On one machine, pix works just fine. On the other, it recently began core dumping with this error msg when run from CLI:

** (pix:117761): CRITICAL **: 10:07:45.521: Could not load the mandatory extension 'cairo_io': Could not open the module “cairo_io”: libheif.so.1: cannot open shared object file: No such file or directory
[1]    117761 IOT instruction (core dumped)  pix

It also core dumps (with less diagnostics) when trying to open images with it in Thunar.

I haven’t been able to find which package provides cargo_io. I have tried uninstalling/reinstalling pix, but no change in behavior. Suggestions for debugging my setup would be greatly appreciated.

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libheif is an optional dependency and it seems to be missing - is it available?

This program (pix) seems to be something special or important, because it is only in the Manjaro standard repositories.
In Arch it is only available from AUR.

That was it! Clearly I should have read further down the line. Not so optional a dependency after all. Thanks! Funny thing, I don’t remember installing libheif explicitly on the working machine, nor removing it on the machine with the problem.

As for why pix is important, I can only guess, but I do like it. It’s gtk3-based, fairly lightweight, and provides cropping and resizing.

By “important” I meant:
it’s a bit unusual why this program would be in the main, normal, Manjaro repos,
while in Arch, it was only ever available via AUR.

Someone must have decided that it was.

Glad that the hint did result in it being functional now.

Let’s ping @Yochanan on that. Maybe this needs repackaging with libheif as a hard dependency? I wonder if the other optional dependencies are really optional (esp. the jpeg stuff). I already have all without brasero and it works.

Unfortunately, pix is failing to build right now. I’ll make the change once it’s building again.

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