http://bugzilla.opensuse.org/show_bug.cgi?id=1167501 Bug ID: 1167501 Summary: Invalid alignment in Pyhton 3.8 cpython header Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Development Assignee: screening-team-bugs@suse.de Reporter: asn@cryptomilk.org QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- In file included from /builds/cryptomilk/pam_wrapper/src/python/pypamtest.c:21: In file included from /usr/include/python3.8/Python.h:147: In file included from /usr/include/python3.8/abstract.h:837: /usr/include/python3.8/cpython/abstract.h:91:11: error: cast from 'char *' to 'vectorcallfunc *' (aka 'struct _object *(**)(struct _object *, struct _object *const *, unsigned long, struct _object *)') increases required alignment from 1 to 8 [-Werror,-Wcast-align] ptr = (vectorcallfunc*)(((char *)callable) + offset); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. union { vectorcallfunc *ptr; The correct way to do it would be: union { char *data; vectorcallfunc *ptr; } vc; vc.data = (char *)callable + offset; return *vc.ptr; -- You are receiving this mail because: You are on the CC list for the bug.