MacPorts compatible with macOS 10.15 Catalina

Chris Jones jonesc at
Tue Oct 8 07:59:14 UTC 2019

The solution is in the error below...

Follow the guidelines at

When reinstalling macports, as there is currently no binary installer 
you will have to follow the install from source option.


On 08/10/2019 8:45 am, Peter Hohmann via macports-users wrote:
> Hello,
> yesterday I updated my Mac Mini running macOS Mojave to macOS 10.15 Catalina. Macports might have been up to date before the migration from 10.14 to 10.15 (Macports 2.6.1, regularly updated via sudo port selfupdate), but after updating to 10.15 I get the error message
> Error: Current platform "darwin 19" does not match expected platform "darwin 18"
> Error: If you upgraded your OS, please follow the migration instructions:
> OS platform mismatch
>      while executing
> "mportinit ui_options global_options global_variations"
> Error: /opt/local/bin/port: Failed to initialize MacPorts, OS platform mismatch
> Is there a solution for the incompatibility? Unfortunately, I am not the expert for using the terminal and only use Macports for a few smaller applications. On the Macports website there are only installers up to macOS 10.14.

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