CentOS 7 for Node 12+

[rvagg]

@nodejs/build @nodejs/release we should start discussion on this and get something into BUILDING.md on master in preparation for Node 12.

CentOS 6 is EOL in November 2020, which is fine for Node 10 which is EOL in April. 11 doesn't matter but 12 goes out to April 2021, leaving 5 months without updates to our CentOS 6 infra. It'd be nice not to have to hang on to CentOS 6 as long as we've had to do for CentOS 5.

CentOS 7 is kernel 3.10.0 and libc 2.17 and (I think) we're using devtoolset-6 which has GCC 6.3.1.

/cc @cjihrig anything to consider here re libuv?

[richardlau]

but 12 goes out to April 2021, leaving 5 months without updates to our CentOS 6 infra.

April 2021 is the maintenance start date for Node.js 12. It's EOL date is April 2022.

[cjihrig]

anything to consider here re libuv?

Nothing that I'm aware of, but also cc @bnoordhuis

[refack]

we're using devtoolset-6 which has GCC 6.3.1.

Can we take this opportunity to move to devtoolset7 (#1543)

[rvagg]

Can we take this opportunity to move to devtoolset7 (#1543)

Yes, I'd like that too and it'd be a good time to do it if we're making such a big leap already.

[mhdawson]

@gdams we need to put together plans for the IBM plastforms in this context

[github-actions]

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