port upgrade outdated reports weird problems with deadline and poplar

[Richard L. Hamilton]

> On Aug 6, 2017, at 14:59, Ryan Schmidt <ryandesign at macports.org> wrote:
> 
> 
>> On Aug 4, 2017, at 20:36, Richard L. Hamilton <rlhamil at smart.net> wrote:
>> 
>> Some notes of mine on /usr/local:  I can't avoid /usr/local entirely, since VirtualBox and Parallels install their command line tools there.
> 
> Those probably won't cause problems for MacPorts.
> 
>> But I can move /usr/local out of the way, for the duration of MacPorts builds, as necessary.  More precisely, with System Integrity Protection turned off, I moved /usr/local elsewhere (not in /usr, which is mostly protected), and replaced it with a symlink to the new location.  That way, I can rename what the symlink points to, without necessarily needing to leave SIP turned off.
> 
> Grumble... I didn't realize SIP would prevent renaming /usr/local. That's inconvenient.
> 


sh-3.2$ ls -ldO /usr
drwxr-xr-x@ 16 root  wheel  restricted,hidden 544 May  4 09:08 /usr

The "restricted" flag indicates a file or directory is protected by SIP, AFAIK.

Also, in /System/Library/Sandbox/rootless.conf, there are (among others) the lines:
                                /usr
*                               /usr/libexec/cups
*                               /usr/local
*                               /usr/share/man
*                               /usr/share/snmp

where the lines not preceded by an asterisk are protected, and the lines that are preceded by an asterisk are exceptions to that protection.  Perhaps one could rename /usr/local out of /usr altogether, and then back; I never tried that with CSR enabled.  But I doubt one could e.g..  mv /usr/local /usr/local.hold

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