shared module chain under linux

[Gaspard Bucher <gaspard@...>]

Hi there,

I am porting lubyk to Linux and I am stuck with undefined symbols. Here is my scenario:

lib/lubyk/core.so contains the symbols for TimeRef class, including (nm output):

00004734 T _ZN5lubyk7TimeRef7elapsedEv

000046a0 T _ZN5lubyk7TimeRefC1Ev

000046a0 T _ZN5lubyk7TimeRefC2Ev

00004704 T _ZN5lubyk7TimeRefD1Ev

00004704 T _ZN5lubyk7TimeRefD2Ev

lib/lubyk/Worker.so uses the TimeRef class.

Doing this fails under Linux but works in Mac OS X:

> require 'lubyk.core'

Loaded again lubyk.core.

---> 0.001955           ---- Here I try to use TimeRef from lua_open_lubyk_core and it works fine.

> require 'lubyk.Worker'

error loading module 'lubyk.Worker' from file '/home/gaspard/git/lubyk/deploy/linux/lib/lubyk/Worker.so':

/home/gaspard/git/lubyk/deploy/linux/lib/lubyk/Worker.so: undefined symbol: _ZN5lubyk7TimeRef7elapsedEv

I am clueless: it seems the loaded Worker.so does not find an already used symbol in the active binary...

Any idea ?

                                                               Gaspard