Running Basic Examples After Xcode Upgrade

Getting Started
1

Having recently installed GEANT4, I am still familiarizing myself with it by running the basic examples. I was able to run examples B1 and B2a. However, an update to Xcode was available and I updated it. After the update, I was not able to run B2b, or even re-run B2a. Can anyone tell me if there is anything I need to do after an Xcode update? The following is what happened when I tried to re-run B2a.

(base) Jamess-iMac:B2a jamesbowen$ ./exampleB2a
dyld: Library not loaded: /opt/X11/lib/libGL.1.dylib
Referenced from: /Users/jamesbowen/geant4.10.07-install/lib/libG4OpenGL.dylib
Reason: Incompatible library version: libG4OpenGL.dylib requires version 4.0.0 or later, but libGL.1.dylib provides version 1.0.0
Abort trap: 6
(base) Jamess-iMac:B2a jamesbowen$

2

Which macOS and Xcode versions are you running? It looks like something’s changed in the Xquartz installation, so maybe try reinstalling that.

3

Yes, that’s right, it was XQuartz. What exactly do I need to reinstall? I think the update was already installed.

4

That’s why I asked about which macOS and Xcode versions this was on - I don’t have experience with Xcode updates breaking installs of Xquartz (not that it can’t happen!).

Given that the libGL version is “1.0.0”, but as far as I know the current Xquartz installer provides 4.0.0, I’m not sure what’s broken. I’d try downloading the latest Xquartz installer and reinstall it from that.

5

Wow, I’m sorry I did not answer that. It is macOS Big Sur Version 11.1. Xcode is Version 12.4. I just opened Xcode, and was told I needed additional components to open it, which I downloaded. I will therefore try recompiling and running these examples again. I will let you know if I am still having the problem.

6

No worries, and thanks for the info. Let us know if there are issues - and equally if and how you resolved things!

1 Like
7

Thanks bmorgan. It looks like it is working now. Thanks for your help!

1 Like