SUSE:SLE-15:Update SLE 15 SLE 15 https://download.opensuse.org/update/leap/15.4/sle SUSE:SLE-15:GA SLE 15 SLE 15 https://download.opensuse.org/repositories/SUSE:/SLE-15:/GA/pool/ cross-s390x-gcc7 The GNU Compiler Collection targeting s390x The GNU Compiler Collection as a cross-compiler targeting s390x. Note this is only useful for building freestanding things like the kernel since it fails to include target libraries and headers.