Hi all, Following the RFC on this mailing list, the baseline ISA of the s390x port has been raised z196. This allows Debian to support packages like rust, go or nodejs, which do not support older ISAs. For now only this packages are affected, but in the future the default ISA in GCC will also be raised, so more and more packages will use the corresponding instructions.
As a consequence people should not upgrade to buster or sid if they have and older CPU. The change does not affect Stretch, which will still be supported for a bit more than 2 years. Regards, Aurelien  https://lists.debian.org/debian-s390/2018/01/msg00015.html -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurel...@aurel32.net http://www.aurel32.net
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