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Install gcc 9 (if necessary) on one each x,p,z linux machine #12723
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Not sure how feasible it is to install gcc 9 on CentOS 6. We should give it a try, but can fallback to trying CentOS 7 if necessary. |
@keithc-ca not asking you to try it, but wondering if you have tried gcc 9 on any platforms. I think you have tried newer compilers in the past. |
Yes, I believe I have tried gcc 9 before (and opened PRs to fix warnings discovered that way). |
OpenJ9 can support compilation with gcc 10, but I don't think we should consider switching until it's listed as a supported version for OpenJDK. https://wiki.openjdk.java.net/display/Build/Supported+Build+Platforms |
Using gcc 10 doesn't go well:
and the build hangs there.
|
Using the link you supplied @pshipton I'm guessing that means v9.2 for active builds of JDK15+. aarch64 too I would assume? |
We might as well use the latest gcc 9. First we want to evaluate, not switch anything over. |
Obsoleted by #14268 |
We should do some lower priority investigation of builds with gcc 9. If we can get one build machine for each x,p,z linux with gcc 9 installed, then we can try some builds and see where we stand in terms of successfully building, and performance comparison with existing builds.
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