Michael Paquier <michael.paquier@gmail.com> writes: > On Tue, Mar 31, 2015 at 9:40 AM, Peter Eisentraut <peter_e@gmx.net> wrote: >> I'm interested in the exact syntax you'd use, to compare it to the >> currently used techniques.
> With the presence of VERSION_NUM directly in pg_config, the following > expression: > VERSION_NUM=$(shell $(PG_CONFIG) --version-num)
> With its presence in Makefile.global, that's close to what you can do with > pg_config.h already: > VERSION_NUM := $(shell cat `$(PG_CONFIG) --libdir`/pgxs/src/Makefile.global > \ > | perl -ne 'print $$1 and exit if /VERSION_NUM =\s+(\d+)/') > But that looks a little bit magic..
I'm confused. If PG_VERSION_NUM is defined in Makefile.global, surely you don't need anything at all to make use of it in extension makefiles.
No, you don't... But well, coming back to the first point: fetching it through pg_config avoids any ugly parsing logic. --
