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Re: Linking against indirect dependencies
From: |
Szombathelyi György |
Subject: |
Re: Linking against indirect dependencies |
Date: |
Sat, 29 May 2004 03:31:57 +0200 |
User-agent: |
KMail/1.6.52 |
Friday 28 May 2004 09:27 dátummal ezt Ãrta:
> And there's another problem. When libtool passes -ldependency in the
> command line, the linker will look for libdependency in the
> directories where it looks for libraries (-L). If libdependency is
> only brought in by another shared library that has it in DT_RPATH,
> libdependency will be looked for in the --rpath-link search path, and
> it will have to be a shared library, i.e., static libs will be
> ignored.
>
> Now consider the following scenario:
>
> - libfoo.la is linked with libdep.la, but libdep.la was PIC and
> static-only. Both are installed.
>
> - libdep is rebuilt as both static and shared, and reinstalled.
>
> - program links with libfoo.la, using symbols from libdep.la that
> weren't brought into libfoo.la
>
> - libtool sees libdep.la is available as a shared lib, so it drops it
> from the link command. Link fails because libfoo.so doesn't bring
> in libdep.a.
AFAIK it's possible to link in libdep to libfoo if libdep is static (at least
I'm succeeded with a small test case), and then the program not need to link
with libdep.
I tried:
gcc -c libdep.c
gcc -c libfoo.c
ar q libdep.a libdep.o
ld libfoo.o -o libfoo.so -shared -ldep -L.
gcc prog.c -o prog -lfoo -L.
Or am I wrong?
Bye,
György
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- Re: Linking against indirect dependencies, (continued)
- Re: Linking against indirect dependencies, Albert Chin, 2004/05/24
- Re: Linking against indirect dependencies, Szombathelyi György, 2004/05/25
- Re: Linking against indirect dependencies, Albert Chin, 2004/05/25
- Re: Linking against indirect dependencies, Szombathelyi György, 2004/05/26
- Re: Linking against indirect dependencies, Bob Friesenhahn, 2004/05/26
- Re: Linking against indirect dependencies, Alexandre Oliva, 2004/05/29
- Re: Linking against indirect dependencies,
Szombathelyi György <=
- Re: Linking against indirect dependencies, Alexandre Oliva, 2004/05/29
- RE: Linking against indirect dependencies, Howard Chu, 2004/05/29
- Re: Linking against indirect dependencies, Szombathelyi György, 2004/05/31
- Re: Linking against indirect dependencies, Scott James Remnant, 2004/05/26
- Re: Linking against indirect dependencies, Szombathelyi György, 2004/05/27
Re: Linking against indirect dependencies, Szombathelyi György, 2004/05/26