[Buildroot] How to change compiler to newer in old build-root

Carlos Santos casantos at datacom.com.br
Thu Jul 12 11:19:56 UTC 2018


> From: "Denis Kotov" <redradist at gmail.com>
> To: "buildroot" <buildroot at busybox.net>
> Sent: Thursday, July 12, 2018 4:58:09 AM
> Subject: [Buildroot] How to change compiler to newer in old build-root

> Hello everyone,

> I am curious if I can change old gcc-4.8 compiler in buildroot-2014 to to gcc-7
> ??
> I have just replace name of compiler from gcc-4.8 to gcc-7, but failed with an
> error:

> >>> toolchain-external undefined Configuring

> What did I wrong ?

Support for GCC7 was introduced in Buildroot 2017.05:

$ git --no-pager log --oneline -1 4314161159c
4314161159 package/gcc: add support for gcc 7

$ git describe 4314161159c
2017.05-rc1-114-g4314161159

-- 
Carlos Santos (Casantos) - DATACOM, P&D
“Marched towards the enemy, spear upright, armed with the certainty
that only the ignorant can have.” — Epitaph of a volunteer


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