jenkins: use ccache with devtoolset on ppc64le #2157
Merged
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Relands the first commit from #1927 for
centos7-ppcle
to reenable ccache. The other commit is not required as onppcle-ubuntu1404
we useccache
via the symbolic links in/usr/lib/ccache
.This is blocked on nodejs/node#31628 landing on all supported release lines to avoid breaking https://ci.nodejs.org/job/node-test-commit-v8-linux/.
Refs: nodejs/node#31628
Refs: #1940
cc @nodejs/platform-ppc