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Re: In Make 4.3, how does specifying a value for '-j' in MAKEFLAGS inter
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From: |
Paul Smith |
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Subject: |
Re: In Make 4.3, how does specifying a value for '-j' in MAKEFLAGS interact with Target Specific Variables? |
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Date: |
Tue, 18 Jan 2022 13:24:07 -0500 |
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User-agent: |
Evolution 3.36.5-0ubuntu1 |
On Tue, 2022-01-18 at 18:07 +0000, Cook, Malcolm wrote:
> Specifically, if '-j' is specified in MAKEFLAGS as a target specific
> variable, should I expect to find that make 'enable that parallelism
> mode' for the specified target (and its preconditions)?
> I hope to find the intended behaviour is 'yes'.
Definitely not. Jobserver mode is enabled once for an entire instance
of the make program. It cannot be managed on a per-target basis
(except by running a recursive invocation of make).