Andres Freund <andres@anarazel.de> writes:
> On 2020-11-29 20:33:41 -0800, Rosen Penev wrote:
>> GCC 4.8.5 does not default to gnu99 or gnu11 like the newer versions.
> We require C99 support since postgres 12, and configure should end up
> choosing flags to make the compiler support that if possible.
Hmm, yeah, that's a good point ... why didn't configure select
"-std=gnu99" for you? This might boil down to trying to use
CFLAGS selected for one compiler with a different compiler.
regards, tom lane
