RE: Build failures with gcc 4.5 and older

From: David Laight
Date: Wed Aug 15 2018 - 08:38:52 EST

From: Guenter Roeck
> Sent: 14 August 2018 18:09
> Does that mean that gcc 4.5 and older are now officially no longer
> supported for compiling the kernel ?

Never mind the version of gcc, the x86 kernel doesn't build with the
default kernel options because the ORC unwinder hits a bug in libelf
(in objtool) that was only fixed late last year.

It isn't even obvious from the build log what has gone wrong.


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