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Re: Question About Gmake Internals
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From: |
Paul Smith |
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Subject: |
Re: Question About Gmake Internals |
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Date: |
Fri, 03 Sep 2021 12:47:33 -0400 |
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User-agent: |
Evolution 3.36.5-0ubuntu1 |
On Fri, 2021-09-03 at 09:01 -0700, Jon Forrest wrote:
> Thanks, Paul. I've been looking at variable.c but it isn't clear to
> me when and why it's necessary to create a new variable set.
Variable sets are how make manages scoping in variables.
For one example, automatic variables created for a given recipe are in
a separate variable set. For another example, target-specific
variables are in a separate variable set.
FYI, there is no separate design document anywhere for GNU make.
There's the code, the changelogs, and the commit messages.