Intalling QGIS

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hawk...@electricfish.com

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Dec 2, 2025, 3:57:13 PM12/2/25
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Hey gang -

I've been trying to install QGIS, and it has been an obstacle course so far.

* The download site says not to use the installer, but MacPorts
* MacPorts seems extremely complex to install and use (compared to, say, HomeBrew)
* I installed MacPorts using the installer for the latest MacOS (Sequoia) because all the advice about migrating resulted in incomprehensible failures.
sudo port install qgis3 +grass also failed with strange SQLite foreign key errors
sudo port clean qgis3; sudo port install qgis3 eventually ran to completion, but took an extremely long time finding dependencies that I thought it had hung.
* Once it had found dependencies, the install failed

Error: Failed to activate pkgconfig: Image error: Can't find image file /opt/local/var/macports/software/pkgconfig/pkgconfig-0.29.2_0.darwin_19.x86_64.tbz2

Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_pkgconfig/pkgconfig/main.log for details.

Error: Follow https://guide.macports.org/#project.tickets if you believe there is a bug.

Error: Processing of port qgis3 failed

hawk...@electricfish.com

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Dec 2, 2025, 3:57:43 PM12/2/25
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Sorry I thought I hit "post" the other day but apparently not...

hawk...@electricfish.com

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Dec 2, 2025, 5:02:14 PM12/2/25
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Running the installer worked great.

Jenny Sahng

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Dec 10, 2025, 7:22:26 PM12/10/25
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Sorry I missed this Richard! I didn't see the note about using MacPorts, and just ran it with the installer 😳 Don't think my machine's had any horrible bugs in the 24 hours since..! 🤞

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Hamish Bowman

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Dec 10, 2025, 8:39:46 PM12/10/25
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> * The download site says not to use the installer, but MacPorts

The Mac .dmg installer has always worked fine for me. I'm guessing problems arise or don't depending on how much externally-linked vs. core parts of the software you are using.


shrug,
Hamish

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