On Nov 12 2019, Richard Biener wrote: > This means a tentative definition for 'errno' is non-conforming?
https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html If a macro definition is suppressed in order to access an actual object, or a program defines an identifier with the name errno, the behavior is undefined. Andreas. -- Andreas Schwab, SUSE Labs, sch...@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."