* link shared library against another shared library
@ 2008-07-24 20:42 qcp
2008-07-24 20:51 ` Eljay Love-Jensen
0 siblings, 1 reply; 2+ messages in thread
From: qcp @ 2008-07-24 20:42 UTC (permalink / raw)
To: gcc-help
Hi all,
I have a shared library A which uses shared library B, and an application P
which relies on A.
I don't want to link P against A and B, but to link P against A only, and A
against B (and somehow hide B to P)
How can I do ?
The shared libraries are generated with 'g++ -shared...'
Thanks for your answers
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* Re: link shared library against another shared library
2008-07-24 20:42 link shared library against another shared library qcp
@ 2008-07-24 20:51 ` Eljay Love-Jensen
0 siblings, 0 replies; 2+ messages in thread
From: Eljay Love-Jensen @ 2008-07-24 20:51 UTC (permalink / raw)
To: qcp, GCC-help
Hi qcp,
> I have a shared library A which uses shared library B, and an application P
> which relies on A.
>
> I don't want to link P against A and B, but to link P against A only, and A
> against B (and somehow hide B to P)
>
> How can I do ?
>
> The shared libraries are generated with 'g++ -shared...'
>
> Thanks for your answers
g++ -o P P.cpp -lA
That will make P directly dependent on libA.so, and not directly dependent
on libB.so (although it is indirectly dependent on libB.so, via libA.so).
You can use... ldd P ...to display the dependencies. Depending on your
ldd, it may-or-may-not show indirect dependencies as well. Check your
platform's "man ldd" for relevant flags.
HTH,
--Eljay
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