Date: Sun, 21 Mar 2021 13:50:46 +0000 From: tech-lists <tech-lists@zyxst.net> To: freebsd-arm@freebsd.org Subject: Re: RPI4 clock speeds and serial port Message-ID: <YFdPNiHX%2BUCU5R%2BM@ceres.zyxst.net> In-Reply-To: <C0FAA127-05CE-43E5-A7D5-B5EB975E7B4F@yahoo.com> References: <20210318170053.GA26688@www.zefox.net> <9FFA0A51-C0B7-4121-95CA-B98669809007@yahoo.com> <E4CF6642-CB70-4495-A865-05469953561C@yahoo.com> <YFaGFEXGUCigAJXD@ceres.zyxst.net> <C0FAA127-05CE-43E5-A7D5-B5EB975E7B4F@yahoo.com>
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On Sat, Mar 20, 2021 at 04:55:47PM -0700, Mark Millard wrote:
>To me the wording is unclear on an important
>point:
>
>Was this a rebuild after installing and booting
>the kernel and world that had been built with
>those flags? Or was this running the as yet
>not updated system and just doing the initial
>build with the -mcpu assignments?
1. cd /usr/src && git pull --ff-only
2. added those .clang statements to /etc/src.conf
3. it had already built world & kernel with the other WITHOUT_xyz=20
statements in days previously
this was the first time i'd tried those -mcpu assignments.
I'll try building again, this time noting exactly what's done.
>CCACHE status?
enabled. I almost always use ccache as the buildtime impact is=20
substantial with any c/c++ program. poudriere uses it if it's available
for this reason.
>Was this caching effectively cleaned-out/empty
>for the timing?
I don't know. All I know is that it looks after itself. I'll
disable/clear out ccache [1] if changing major freebsd=20
versions [2], or tracking down a problem with a program building.
I'm surprised you don't usually use it
[1] rm -rf /var/cache/ccache/*
[2] also rm -rf /usr/obj and re-make it again
--=20
J.
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