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Re: target-specific variables

From: David Boyce
Subject: Re: target-specific variables
Date: Sun, 14 Mar 2004 09:56:37 -0500

At 09:38 AM 3/14/2004, Sven Köhler wrote:
I'd still like to use the $(shell ...) stuff and define a variable, but only if the target t1 is executed. Is there any trick to achieve that?

ohh, i guess = instead of := does the trick, although the shell-command will be executed many times if the variable is used many times.

It seems clearly documented to me, but here's an example anyway:

% cat Makefile
t1: hallo :=target 1

        echo $(hallo)

        echo $(hallo)

% make t1
echo target 1
target 1
% make t2


-David Boyce

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