Re: macOS Catalina 10.15.4 breakage

[Jonathan Perkin <jperkin%joyent.com@localhost>]

* On 2020-03-31 at 13:29 BST, Jonathan Perkin wrote:

> I upgraded my macos15 bulk build hosts today to 10.15.4, and now
> bootstrap is failing where previously it was fine with 10.15.3.
> 
> The errors are all similarly related to dyld, for example:
> 
>   dyld: dyld cache load error: shared cache file open() failed
>   dyld: Symbol not found: _xmlFree
>     Referenced from: /usr/lib/libxar.1.dylib
>     Expected in: /usr/lib/libxar.1.dylib
>   in /usr/lib/libxar.1.dylib
>   clang: error: unable to execute command: Abort trap: 6
>   clang: error: linker command failed due to signal (use -v to see invocation)

This turned out to be yet another NFS regression in Catalina.  If I
force the sandbox NFS mounts to use "-o vers=2" then the problems
disappear.

-- 
Jonathan Perkin  -  Joyent, Inc.  -  www.joyent.com