Re: "Undefined functions" pg_dlopen and pg_dlerror when compiling PG7.2.3 under Linux 2.0.?

Tom,

-----Original Message-----
From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]

Hmm. It looks to me like someone messed up the support for dynamic
loading on pre-HAVE_DLOPEN Linuxen. Would you confirm that configure
did not define HAVE_DLOPEN in your src/include/pg_config.h file?
-----

A grep of pg_config.h for DLOPEN shows that its only instance is in a
comment line:
/* #undef HAVE_DLOPEN */

--------
If you want to try to fix it yourself, the files to look at are
src/backend/port/dynloader/linux.h
src/backend/port/dynloader/linux.c
It looks to me like the "#ifdef NOT_USED" in the latter ought to be
"#ifndef HAVE_DLOPEN" instead. But I'm unsure about the linux.h
file; surely it should have extern declarations for the functions
in linux.c?

regards, tom lane
------------

linux.h has no externs.

I changed #ifdef NOT_USED to #ifndef HAVE_DLOPEN in linux.c, and make'd
again....
"All of PostgreSQL successfully made. Ready to install."

Thanks, Tom!

Brendan LeFebvre
brendanl(at)iname(dot)com