Created attachment 1308446 [details] Patch to enable building on s390x Description of problem: switch-arch script is missing logic for building package under s390x (64-bit big endian) Version-Release number of selected component (if applicable): 20170311-1.gitf233c3f How reproducible: Build on s390x system Steps to Reproduce: 1. rpmbuild -bb openbios.spec 2. 3. Actual results: Segment exception running forthstrap Expected results: Clean build Additional info: switch arch doesn't recognize s390x so it defaults to big-endian 32-bit. This causes problems in the definition of cell2pointer etc.