Date: Mon, 22 Apr 2002 08:52:46 +0800 From: Christopher Hall <hsw@acm.org> To: Henrik Motakef <henrik.motakef@web.de> Cc: ports@FreeBSD.org Subject: Re: Configuration files Message-ID: <200204220052.g3M0qkg6057445@x4.tucheng.generalresources.com> In-Reply-To: Message of "19 Apr 2002 18:12:05 %2B0200." <87g01r652i.fsf@apo.hmotakef.int>
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In message <87g01r652i.fsf@apo.hmotakef.int>,
Henrik Motakef writes:
>Hi.
>
>I am unsure about how to handle configuration files best.
>
>I am preparing ports for some Objective Caml libraries, some of wich
>depend on something called "findlib" at build-time. Basically, findlib
>keeps track of necessary compiler flags for installed libraries, like,
>e.g. gtk2-config does for GTK.
>
>Findlib needs a configuration file to work. It is highly likely that
>it will be installed as a dependency of other ports, so requiring
>manual intervention, like renaming a ${PREFIX}/etc/findlib.conf.sample,
>is not a good idea, scince the build of the other ports will break.
>
>On the other hand, the Porter's Handbook says that it's a bad idea to
>install configuration files in a way that they will be deleted by
>pkg_delete, which sounds reasonable.
>
>So, what should I do?
>
>- Install the config file and list it in pkg-plist
>- Install the config file and don't list it in pkg-plist, eventually
> with a "default" config file parallel to it
How about:
a) @exec to copy X.default file to X
b) @unexec to cmp if X and X.default are the same,
if they are rm X
c) X.default is listed in pkg-plist so gets deleted by pkg_delete
d) The port Makefile must also do the same copy as (a) so make install
works.
>It is also possible to substitute the config file with some
>environment variables. However, that would make writing ports that
>depend on it harder - they would have to check whether the file
>already exists, and only if it doesn't, set the environment variables
>accordingly.
>
>Any hints?
Have a look at
1) net/samba/Makefile - makefile adds commands to TMPPLIST so commands
can make use of Makefile macros.
2) japanese/samba/pkg-plist - commands were justs added to end of pkg-plist
and only use %D.
Method 1 is more flexible.
>tia
>Henrik
>
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---
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Christopher Hall <hsw@acm.org> Phone: +886-2-2795-5799
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