How to make sure that there is no undefined references to a module

Alan DeKok aland at
Wed Sep 7 18:00:59 CEST 2011

Ming-Ching Tiew wrote:
> I am trying to develope a little module of my own, the modules compiles fine.
> But to make sure that my modules has no undefined references, I 
> added this to the Makefile :-
> RLM_LDFLAGS =  -Wl,--no-undefined

  The modules all require symbols from the server coe.

> I tried the idea on one of the simplest module which comes with the 
> sources, rlm_exec, but after that the module then failed to compile, 
> having lots of undefined references.
> eg :-
> :273: undefined reference to `radlog'
> :442: undefined reference to `radius_exec_program'
> Any advise how should I go about fixing this problem ?

  Remove the " -Wl,--no-undefined" change.

  Or, update the server core so that all of the functions needed by the
modules are in a "libfreeradius-server" library.

  As always, patches are welcome.

  Alan DeKok.

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