Hi all,



It seems that gcc compatibility is a big problem. I have found several issues 
when I try to run SPEC 2000 and SPEC 2006 in gem5.

(1) The SPEC 2006 cannot be built with gcc 7. I choose to downgrade to gcc 4.8, 
but it doesn't work.

(1) The stable release gem5-stable-2015-09 cannot be built with gcc 7 as well 
as gcc 4.8. It seems the compiler check is too strict.

(i)    undefined macro PROTOBUF_INLINE_NOT_IN_HEADERS caused compiling error.

(ii)   '~' on an expression of type bool caused error [-Werror=bool-operation]. 
(error from /dev/copy_engine/cc)




When building SPE 2006 bench... there are so many bugs...




My system is Ubuntu 18.04 LTS. Is there anyone run SPEC successfully on Ubuntu 
18.04?

Or I should reinstall my system?




Best Regards

Zheng Liang

Peking University


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