Beginner Question: Best way to substitute variables

[Ion-Mihai Tetcu]

On Mon, 13 Dec 2004 12:37:56 +0100
"Frank Behrens" <frank at pinky.sax.de> wrote:

> Meanwhile I use FreeBSD for several years and now comes the time to 
> give something back. I'm creating a port and could not find an answer 
> to my question:
> 
> What is the best way to set variables in scripts (e.g. pkg-install) 
> and text files (e.g. pkg-message) depending from Makefile variables 
> (e.g. PREFIX)? 
> I understand the Makefile rules and it is no problem to use variable 
> paths depending from $PREFIX, $DOCSDIR and other, but how they are 
> later used in scripts, like pkg-install and rc.d/scripts? IMHO 
> changing these and other variables in the Makefile should be enough 
> to adjust the complete port.
> 
> As a possible solution I see:
> Put all files in a separate directory, create Makefile dependencies 
> and replace the desired strings with "sed". But this seems to be not 
> the usual way, I could not find any example port.
> 
> Please, could you point me to an example port, where this problem has 
> been solved in a practical way conform to FreeBSd development rules.

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IOnut
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