Help with static linking and UnsatisfiedLinkError

[Andrew Haley]

Suresh Raman writes:
 > 
 > Here it is, the ldd output of my .so
 > 
 > ldd libCRC.so
 >   libgcc_s.so.1 => /usr/local/gcc31/lib/libgcc_s.so.1 (0x40003000)
 >   libc.so.6 => /lib/libc.so.6 (0x4001c000)
 >   /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000)
 > 
 > Now, if I also copy libgcc_s.so.1 in the directory pointed to by
 > LD_LIBRARY_PATH, the program works fine.
 > 
 > Is that all you have to say O' master, or do you have more words of
 > your boundless wisdom for my humble self. :-)

Well, it looks to me like your .so needs libgcc_s.so.1 even if your
executable does not.  It seems that your problem has been solved; you
will either need to link your .so statically with libgcc or include
libgcc_s.so with your program.  What is the problem?

Andrew.

 > thanks,
 > --Suresh
 > 
 > --- Andrew Haley <aph@cambridge.redhat.com> wrote:
 > > Suresh Raman writes:
 > >  > 
 > >  > Hi,
 > >  > 
 > >  > I have a simple java program that uses JNI, thereby requiring a
 > >  > loadLibrary call.  It runs fine when I build it using the normal
 > > way.
 > >  > (gcj --main=test test.java).
 > >  > 
 > >  > I build it using "-static" and it still runs fine, but only if my
 > >  > LD_LIBRARY_PATH environment variable points to the gcc31
 > > installation's
 > >  > lib directory (/usr/local/gcc31/lib).
 > >  > 
 > >  > The moment I remove /usr/local/gcc31/lib from my LD_LIBRARY_PATH,
 > > (the
 > >  > path to my JNI implementation .so file is still there), I get a
 > >  > UnsatisfiedLinkError in the System.loadLibrary() call.
 > > 
 > > What libraries does the native code use?  What does "ldd" say about
 > > the .so?
 > > 
 > > Andrew.
 > 
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