Re: gcc8 on CentOS 7

[maya%NetBSD.org@localhost]

On Thu, Mar 12, 2020 at 08:26:04PM -0500, Jason Bacon wrote:
> On 2019-03-18 13:31, Jason Bacon wrote:
> > On 3/17/19 12:27 AM, maya%netbsd.org@localhost wrote:
> > > Re-run the gcc invocation manually (enter the same directory and run the
> > > command)
> > > If this succeeds, then it's a pkgsrc wrappers issue.
> > > If this fails still, use -Wl,--verbose to see why it has issues.
> > Attached the verbose output.
> > 
> > libz.* exist in ~/Pkgsrc/pkg/lib, but it's not looking there. Should it
> > be?  Or should there be a link to it somewhere else?
> > 
> > Thanks,
> > 
> >     JB
> FYI, I'm seeing another issue with gcc8 now that I have a working install:
> 
> Some programs built with gcc8 appear to get caught in an infinite loop on
> startup.  I noticed a few builds that hang running conftest and one
> installed program that hangs on startup.  All with 100% CPU usage.  They all
> work fine with gcc7.
> 
> I'd say let's shelve this until after the branch.  Even if we can fix these
> issues by then, I won't be confident enough to use gcc8 for my quarterly
> bulk builds without a good testing period.

Hi Jason,

In my experience with CentOS, I have found a lot of these issues to be
related to SSP/fortify. Please consider turning them off and rebuilding
GCC.