v10.x and gcc version

[kazuhisya]

GCC 4.8 will no longer be supported in the future(may be).
Since the default GCC of .el7 is 4.8, we need to consider using SCL.

Notable Changes

No additional commits.

Due to incorrect staging of the upgrade to the GCC 4.9.X compiler, the latest releases for PPC little endian were built using GCC 4.9.X instead of GCC 4.8.X. This caused an ABI breakage on PPCLE based environments. This has been fixed in our infrastructure and we are doing this release to ensure that the hosted binaries are adhering to our platform support contract.

Note that Node.js versions 10.X and later will be built with version 4.9.X or later of the GCC compiler, and it is possible that Node.js version 9.X may be built on the 4.9.X compiler at a later time as the stated minimum compiler requirement for Node.js version 9.X is 4.9.4.

node/CHANGELOG_V9.md at master · nodejs/node
https://github.com/nodejs/node/blob/master/doc/changelogs/CHANGELOG_V9.md

[kazuhisya]

ref:
Red Hat Software Collections Product Life Cycle - Red Hat Customer Portal
https://access.redhat.com/support/policy/updates/rhscl

[kazuhisya]

Node.js 10.0.0 has been released.
https://nodejs.org/en/blog/release/v10.0.0/

Supported toolchains
Depending on host platform, the selection of toolchains may vary.

Unix
GCC 4.9.4 or newer
Clang 3.4.2 or newer

https://github.com/nodejs/node/blob/master/BUILDING.md#supported-toolchains