Re: package options

[Geert Hendrickx <ghen%telenet.be@localhost>]

On Thu, Feb 16, 2006 at 08:53:43PM +0000, Iain Hibbert wrote:
> Hi,
>    Had a thought - the package wip/lzs-lkm that I am currently waiting on
> something for creates a Loadable Kernel Module for NetBSD (net/mppe-lkm
> and security/pflkm also do that)
> 
> There is a problem with LKM's in NetBSD, in that if the kernel is compiled
> with certain flags (option DIAGNOSTIC at least, not sure about any others)
> then a LKM will not load unless it also used -DDIAGNOSTIC because some
> system structures apparently change size in that case.
> 
> "make CFLAGS=-DDIAGNOSTIC" does work, but I thought I if I made something
> generic like
> 
> PKG_OPTIONS.lkm=      diagnostic
> 
> then the end user can specify that and all kernel modules will get built
> correctly. This works for my package but for security/pflkm at least uses
> its own PKG_OPTIONS_VAR=PKG_OPTIONS.pf and I'm not sure how to integrate
> that with PKG_OPTIONS.lkm - can a package read two PKG_OPTIONS settings?
> 
> So, not sure that its a great idea in any case but how to proceed? (any
> example packages I should look at?)

Sounds like a good idea.  

If you add an "lkm-diagnostic" option to each pkg's option list, the user
can just add this to his PKG_DEFAULT_OPTIONS.  

        Geert


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