Bug#655086: this seems to be a problem in asterisk

[Joerg Dorchain]

On Sun, Feb 26, 2012 at 12:15:32PM +0800, Rolf Leggewie wrote:
> 
> I consulted with my co-maintainer and he concluded this was a problem in
> asterisk, possibly linking to a module instead of libcapi20 itself.  I'm
> not sure that's indeed the case, but he's the libcapi guy between us. 

Well, the actual module chain is asterisk dlopens chan_capi.so
links libcapi20.so dlopens lib_capi_mod_std.so
If you are going to investigate in that direction, please notice
the chan_capi package, too.

The effect of this bug report comes from the fact that
lib_capi_mod_std.so references a symbol defined in libcapi20.so.

The proposed patch just prolongs this chain at the end to asterisk
dlopens chan_capi.so links libcapi20.so dlopens
lib_capi_mod_std.so links libcapi20.so

E.g. the package built with the proposed patch shows
# ldd /usr/lib/capi/lib_capi_mod_std.so
        linux-gate.so.1 =>  (0xb7721000)
        libcapi20.so.3 => /usr/lib/libcapi20.so.3 (0xb76f9000)
        libc.so.6 => /lib/i386-linux-gnu/i686/cmov/libc.so.6 (0xb759c000)
        libdl.so.2 => /lib/i386-linux-gnu/i686/cmov/libdl.so.2 (0xb7597000)
        /lib/ld-linux.so.2 (0xb7722000)

In the resulting package there are no .la files contained.

Thanks for digging into this complicated shared library problem.

Best regards,

Joerg
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