Discover stored options different from port defaults/defines
John W. O'Brien
john at saltant.com
Mon Mar 31 14:47:07 UTC 2014
On 3/30/14 10:21 PM, Randy Pratt wrote:
> On Sun, 30 Mar 2014 17:13:15 -0400
> "John W. O'Brien" <john at saltant.com> wrote:
>> [blah blah blah]
>> The first part of my solution to these problems is to store only the
>> options that I know I care about. That is, I know I need to find out
>> where a stored option disagrees with the default.
>> I couldn't figure out how to use the stock tools to peel apart currently
>> stored options from current default options, so I wrote a
>> ``nondefaultconfig`` target for Mk/bsd.port.mk (see attached), set all
>> the common options (DOCS, IPv6, etc) explicitly in /etc/make.conf using
>> OPTIONS_SET/OPTIONS_UNSET, and ran the new target against all of my
>> installed ports, replacing a subtree full of options files with a
>> single, quite modest make.conf. To make this more generally-useful, it
>> would need to behave more like NEW_OPTIONS.
>> cd /usr/ports
>> pkg info -aoq | sort | xargs -n1 make nondefaultconfig -C \
>> >> /usr/local/etc/poudriere.d/$jail-make.conf
>> rm -fr /usr/local/etc/poudriere.d/$jail-$ports-$set-options
> I found this posting useful to find OPTIONS:
> The mailing list archives seem to be missing for the past month PR187557
> so here an excerpt from my notes:
>> On 3/4/2014 9:40 AM, Thierry Thomas wrote:
>> from within a port's directory,
>> make showconfig
>> will show you the current options set and
>> make __MAKE_CONF=/dev/null PORT_DBDIR=/var/empty showconfig
>> will show you the defaults.
> See make(1)'s -C option for specifying ports pathname.
> It shouldn't take too much to write a small script and find
> the diff in the output for each command.
I like that this approach doesn't muck with /usr/ports/Mk/. I doubt I
would have discovered __MAKE_CONF on my own, but now that I know to look
for it, I see that it's covered early in make(1):
First of all, the initial list of specifications will be read from
the system makefile, sys.mk, unless inhibited with the -r option.
The standard sys.mk as shipped with FreeBSD also handles
make.conf(5), the default path to which can be altered via the
make variable __MAKE_CONF.
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