SDK 10.15 available but not found

Philippe Morey-Chaisemartin pmorey at
Sat May 23 15:57:40 UTC 2020


I have a strange behaviour with the latest version of catalina/xcode/macport : SDK 10.15 is installed, but mac port doesn't find it...

here are some logs:
$ sudo port upgrade outdated
Warning: The macOS 10.15 SDK does not appear to be installed. Ports may not build correctly.
Warning: You can install it as part of the Xcode Command Line Tools package by running `xcode-select --install'.

$ xcode-select --install
xcode-select: error: command line tools are already installed, use "Software Update" to install updates

$ softwareupdate --list
Software Update Tool

Finding available software
No new software available.

 $ xcrun --sdk macosx10.15 --show-sdk-path

here is my current configuration:
macport version: 2.6.2
osx version: catalina 10.15.4
xcode version:  11.5 (11E608c)

Any idea would be more than welcome.


Philippe Morey-Chaisemartin
pmorey at

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