Peter Eisentraut <peter.eisentraut@2ndquadrant.com> writes:
> During the cleanup of the _MSC_VER versions (commit
> 38d8dce61fff09daae0edb6bcdd42b0c7f10ebcd), I found it useful to use
> -Wundef, but that resulted in a bunch of gratuitous warnings. Here is a
> patch to fix those. Most of these are just stylistic cleanups, but the
> change in pg_bswap.h is potentially useful to avoid misuse by
> third-party extensions.
Looks reasonable offhand.
regards, tom lane