irt: tools/squashfs4: enable parallel builds

[Paul Oranje]

> Op 3 apr. 2023, om 23:23 heeft Elliott Mitchell <ehem+openwrt at m5p.com> het volgende geschreven:
> 
> On Mon, Apr 03, 2023 at 09:43:28PM +0800, 刘林辉 wrote:
>> The reason may be that my computer is under high load all the time.
>> 
>> So I wrote a simple workflow to test squashfs4 using github actions
>> https://github.com/lovehackintosh/Actions-OpenWrt/actions/runs/4597175958.
> 
> Okay, I can believe that.  Just an issue that it made the commit message
> misleading.  Parallel building *can* slow things down.  `squashfs4` does
> look a bit risky for that since most of its source is in 3 files and
> everything else is tiny.
> 
> Might want to ensure your background jobs have been run via `nice` or
> run `renice` on them later.  This makes benchmarks better guides.
> 
> 
> 
> On Mon, Apr 03, 2023 at 09:12:47PM +0200, Paul Oranje wrote:
>> 
>>> Op 3 apr. 2023, om 00:28 heeft Elliott Mitchell <ehem+openwrt at m5p.com> het volgende geschreven:
>>> 
>>> Am I the only person who finds commit 3efd49a588
>> Cannot find that one, but have you seen 82e1f041f9a6cf9232c9f73938ef3b11c34cca0f ?
>> 
> 
> 3efd49a588 is about allowing the build process of `squashfs4` to use
> multiple processors.  Whereas 82e1f041f9 is about allowing `squashfs4`
> to use multiple processors during its runtime.  Thus these two do not
> conflict and do make sense together.
> 
> (FYI `git rev-parse --short 82e1f041f9a6cf9232c9f73938ef3b11c34cca`)
Ah, I should have looked better. Thanks

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