Results of a test mass rebuild of rawhide/x86_64 with gcc-5.0.0-0.5.fc22

Marek Polacek polacek at redhat.com
Wed Feb 11 14:11:21 UTC 2015


On Wed, Feb 11, 2015 at 02:58:25PM +0100, Jakub Jelen wrote:
> On 02/08/2015 06:17 PM, Marek Polacek wrote:
> >To get some sense on how is GCC 5 standing, we (myself and Jakub Jelinek)
> >have performed a test mass rebuild of rawhide (January 15th package list)
> >using gcc-5.0.0-0.5.fc22 on x86_64, and for those packages that failed also
> >rebuilt the same package with gcc-4.9.2-5.fc22.x86_64 to quickly remove from
> >the list packages that fail for non-GCC related reasons.
> Looks like there are some new issues with gcc > 5.0.0-0.5.fc22 - my package
> got through your rebuild (or was not mention in list), but I see failures
> now in Koji or VM with gcc-5.0.0-0.10.fc22.x86_64 (koji) and
> gcc-5.0.0-0.9.fc22.x86_64 (virtual machine).
> 
> Can somebody have a look at this issue (yes, this is update, but it fails
> even with last git revision on fedorahosted which worked well with
> gcc-4.9.2-5.fc22.x86_64 [1])? I wonder if there will be more people with
> such problems.
> 
> Error message [2]:
> /usr/bin/ld: ../libssh.a(sshkey.o): relocation R_X86_64_PC32 against
> undefined symbol `stderr@@GLIBC_2.2.5' can not be used when making a shared
> object; recompile with -fPIC

Indeed, it looks like openssh passed with 5.0.0-0.5.fc22;
unfortunately I don't have the logs of the passed packages anymore.

I'd firstly take a look into diff between config.log with 4.9 and 5;
it sounds like some -fpic detection configure routine failed.  Maybe
it passed the rebuild only by luck (?).

	Marek


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