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Re: Variable assignments from shell commands

From: John Graham-Cumming
Subject: Re: Variable assignments from shell commands
Date: Fri, 03 Nov 2006 17:07:59 +0100
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address@hidden wrote:
According to section 8.11 of the gnu manual, I should be able to use the shell command to assign a variable. However, this doesn't work. I've tried assigning the variable from outside a rule but the command does not get executed and the variable is empty. The only time the shell command is executed is from within a rule but variable assignments within rule is not allowed.

     contents := $(shell cat foo)

A more complete bug report than that would be good. $(shell) with a variable assignment definitely does work, so something else must be going on. Can you reply with a simple Makefile that fails for you.

John Graham-Cumming


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