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Re: pkgsrc buildlink small patch

as an example
I recently committed a port of wip/mlton, an sml compiler.
This can bootstrap both by means of smlnj, a very heavy process,
or by means of itself.
However, this second option requires that mlton accesses
the headers it installs.
In my humble knowledge of pkgsrc I included in the mlton
port Makefile a buildlink3 of itself, just to discover
that it is ignored, so as to avoid circular recurrencies.
However, I thought, there is no circularity problem when including
a buildlink3 if the package is already installed.
So I added a check that the package is installed, in which
case buildlink3 is not ignored.
I hope this is all correct and clear

From: Joerg Sonnenberger <>
Subject: Re: pkgsrc buildlink small patch
Date: Mon, 12 Oct 2009 22:06:09 +0200

> On Mon, Oct 12, 2009 at 09:08:37PM +0200, fulvio ciriaco wrote:
>> It serves the purpose of programs optionally booting
>> by means of themselves.
> I do not understand what you are saying. Can you please describe in
> detail what you are trying to do and why you are trying to do it?
> Joerg

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