"Daniel Westermann (DWE)" <daniel.westermann@xxxxxxxxxxxxxxxx> writes: > I was wondering if someone already has seen these warnings on Debian 10 (PostgreSQL 13.1): > ../../../../src/include/port.h:176:70: warning: 'format' attribute argument not supported: gnu_printf > [-Wignored-attributes] Huh. What compiler are you using, exactly? Perhaps you used a different compiler when running configure (or are trying to re-use configure results from some other machine)? regards, tom lane