Re: configure error when CFLAGS='-Wall -Werror

Andy Fan <zhihuifan1213(at)163(dot)com> writes:
> I relies on some compiler's check to reduce some simple coding issues, I
> use clang 18.1.6 for now. however "CFLAGS='-Wall -Werror ' ./configure"
> would fail,

Nope, you cannot do that: -Werror breaks many of configure's tests.
See

https://www.postgresql.org/docs/current/install-make.html#CONFIGURE-ENVVARS

for the standard workaround.

regards, tom lane