[Buildroot] Newbie question: BR2_... vs !BR2_...

Giulio Benetti giulio.benetti at micronovasrl.com
Tue Sep 18 18:06:04 UTC 2018


Hi,

Il 18/09/2018 20:01, Enoch W. ha scritto:
> Hi,
> 
> What is the reason for some Buildroot Config.in variables having an 
> exclamation mark prefix, !BR2_... , but most don't.

It means *not* BR2_...
Like:
config BR2_PACKAGE_FOO
	depends on !BR2_USE_MMU

It means that package FOO can't be selected if BR2_USE_MMU=y

Best regards
-- 
Giulio Benetti
CTO

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