| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Alan Nilsson <anilsson(at)apple(dot)com> |
| Cc: | PostgreSQL General Discussion Forum <pgsql-general(at)postgresql(dot)org>, Rad Cirskis <rad(dot)cirskis(at)endace(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net> |
| Subject: | Re: pgxs question - linking c-functions to external libraries |
| Date: | 2014-12-12 21:06:49 |
| Message-ID: | 7632.1418418409@sss.pgh.pa.us |
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| Lists: | pgsql-general |
Alan Nilsson <anilsson(at)apple(dot)com> writes:
> I am trying to link libuuid into a custom extension, here is my make file (building PG 9.3.5 on CentOS 6.5 (GCC 4.4.7) fwiw):
> MODULES = aitpowerpg
> EXTENSION = aitpowerpg
> DATA = aitpowerpg--1.0.sql
> SHLIB_LINK += -luuid
> ifdef USE_PGXS
> PG_CONFIG = pg_config
> PGXS := $(shell $(PG_CONFIG) --pgxs)
> include $(PGXS)
> else
> subdir = contrib/aitpowerpg
> top_builddir = ../..
> include $(top_builddir)/src/Makefile.global
> include $(top_srcdir)/contrib/contrib-global.mk
> endif
> The line SHLIB_LINK += -luuid has no effect.
I'm not sure how well documented this is, but pgxs.mk quoth
# SHLIB_LINK -- will be added to MODULE_big link line
Since you're using the MODULES target not the MODULE_big target, it gets
left out. Try following the pattern in the contrib/uuid-ossp Makefile.
regards, tom lane
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