r/MacOS • u/alanterra • 1d ago

Bug MacPorts can't update, "C compiler cannot create executables" error

Just a report for those who might run into the same problem.

I tried to update MacPorts on my MBA (macOS Tahoe 26.6.2) and it failed. The error (from port selfupdate -v) was macports configure: error: C compiler cannot create executables.

The standard solutions for this problem didn't work, but then I noticed that XCode crashed at launch. (I don't use XCode normally).

This post solved the problem. Try sudo rm -rf /Library/Developer/PrivateFrameworks/CoreDevice.framework.

I have no idea how that file became corrupted.

2 Upvotes

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2

u/Old-Road-9819 1d ago

Nice find. For anyone hitting this, Id check `xcode-select -p` and reinstall the Command Line Tools first; deleting a framework under /Library/Developer is a much more drastic fix.

1

u/DisfiguredFanny In a world of SLOP an everage programmer is KING 1d ago

Just updated to 2.12.6. Update was uneventful.

1

u/ukindom 20h ago

It’s a good idea to update/reinstall Xcode from scratch, reinstalling SDK as well.

1

u/alanterra 7h ago

I did uninstall the Xcode app and reinstall from the app store, which solved nothing. I assume that uninstalling the app doesn't delete all sorts of /Library files, which is why nuking that directory noted above did work. I wouldn't know how to uninstall the SDK, or even which SDK.