Demitri Muna <postgre...@demitri.com> writes:
> I’m writing a C extension and have successfully based my Makefile on existing
> templates. This conveniently hides the details of the full Makefile provided
> by "pg_config --pgxs”. Which variable would be the appropriate one to specify
> the ‘-std=c99’ compiler flag? I’ve tried many and still get warnings that
> this flag should suppress (specifically, "ISO C90 forbids mixed declarations
> and code”). These are the variables I currently define:
PG_CPPFLAGS ought to work. One point is that you need to set that before
including pgxs.mk; maybe it's an ordering problem?
regards, tom lane
