Date: Sat, 21 Aug 2010 19:21:12 -0500 From: CyberLeo Kitsana <cyberleo@cyberleo.net> To: FreeBSD Ports <freebsd-ports@freebsd.org> Cc: CyberLeo <cyberleo@cyberleo.net> Subject: Overriding port knobs in child ports Message-ID: <4C706D78.70200@cyberleo.net>
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Hi!
In the interests of keeping my embedded installations small, I wish to
avoid installing certain run-time dependencies for unused features.
For instance, the port www/squid is set USE_PERL5, which registers perl5
as a bdep and rdep; however, the only components of squid that actually
make use of perl5 are two authentication helper scripts that I do not
use. Since nothing else on the machine uses perl5, there's no point in
actually having it installed and using up space on the flashcard.
So I figure I can change www/squid from USE_PERL5 to USE_PERL5_BUILD,
while inheriting all other settings and options; but I don't want to
tamper with the original port and introduce problems updating the tree
later on. To accommodate this, I created a child port,
www/squid-perlless, and placed the following in the Makefile:
----8<----
MASTERDIR= ${.CURDIR}/../../www/squid
.include "${MASTERDIR}/Makefile"
PORTNAME= squid-perlless
.undef USE_PERL5
USE_PERL5_BUILD=yes
----8<----
Installing this port creates a package named 'squid-perlless', but it
still has perl5 registered as an rdep, regardless of where I put the
.include.
I even tried including bsd.port*.mk after the master makefile, but that
just spewed a bunch of 'redefined' messages, and changed nothing.
Am I missing something here, or am I approaching the problem from the
wrong angle? It seems that this is a relatively necessary bit of
functionality for child ports, but I have not discovered anything in the
porters handbook that provides any hints for changing port knobs in a
child port.
Thanks!
--
Fuzzy love,
-CyberLeo
Technical Administrator
CyberLeo.Net Webhosting
http://www.CyberLeo.Net
<CyberLeo@CyberLeo.Net>
Furry Peace! - http://wwww.fur.com/peace/
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