Guest Additions Fail to Build on Scientific Linux (RHEL) 7.4

[pkMyt1]

I have tried vbox 5.2.8 and the 5.2.9 beta. Both give the same error. I have attached the screen shots of the information I saw. Anyone have any ideas?

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[andyp73]

You have updated your kernel to one that includes the retpoline feature which is part of the remediation for Meltdown/Spectre but you haven't updated your compiler to a version that knows how to compile that extra support in.

Start by making sure that the compiler package has been updated to the latest from Red Hat. If they haven't put it into their standard repositories yet then you may need to do some searching around on the web.

-Andy.

[pkMyt1]

I was afraid that is what the problem is. As far as I can tell one needs >=gcc 7.x to provide that. I have not found any RPM's for gcc 7.x or 8.x that are compatible with RHEL. For now I have a kernel pre-patch that works but I will have to change that soon. I guess I will learn how to compile gcc.

I just compiled gcc 7.3 which is supposed to have the patch. Still get the same error. This is obviously much more involved.