On Tue, Jan 8, 2013 at 12:55 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
David Fuhry <dfuhry@gmail.com> writes: > Hi, I'm trying to add a C-Language function but getting the following error: > $ psql -f test_cfunc.sql > psql:test_cfunc.sql:3: ERROR: incompatible library > "/usr/local/pgsql/lib/test_cfunc.so": missing magic block > HINT: Extension libraries are required to use the PG_MODULE_MAGIC macro.
> I am calling PG_MODULE_MAGIC in my c file. Minimal Makefile, .c, and .sql > files are attached. In the Makefile, if I change "MODULE_big" to "MODULES", > it works. However, I want to use "MODULE_big" because I need to later link > to a shared library using SHLIB_LINK, and "MODULES" doesn't support > SHLIB_LINK as per > http://archives.postgresql.org/pgsql-hackers/2012-03/msg00537.php
I think you're missing the OBJS line, with the result that the .so ends up empty.
