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From "Madan, Hatinder" <hatinder.ma...@gs.com>
Subject Problems using log4cxx built on Solaris 8!
Date Fri, 05 Nov 2004 13:12:39 GMT
Hello everybody,
 I have compiled the log4cxx and built the shared library on Solaris 8
platform.
While I link this library dynamically to build my executable, I see the
following error:
---------------------------------------------------------------------
Undefined                       first referenced
 symbol                             in file
long __rwstd::InterlockedDecrement(long*)
/home/hatinm/projects/c++_logging/log4cxx-0.9.7/lib/liblogcxx.so
long __rwstd::InterlockedIncrement(long*)
/home/hatinm/projects/c++_logging/log4cxx-0.9.7/lib/liblogcxx.so
long __rwstd::InterlockedExchange(long*,long)
/home/hatinm/projects/c++_logging/log4cxx-0.9.7/lib/liblogcxx.so
ld: fatal: Symbol referencing errors. No output written
----------------------------------------------------------------------

The following is the output of nm -o -C liblogcxx.so | grep Interlocked
---------------------------------------------------------------------
[14131] |000000000000|000000000000|NOTY |GLOB |0    |UNDEF  |long
__rwstd::InterlockedDecrement(long*)
 
[__1cH__rwstdUInterlockedDecrement6Fpl_l_]
[13326] |000000000000|000000000000|NOTY |GLOB |0    |UNDEF  |long
__rwstd::InterlockedExchange(long*,long)
 
[__1cH__rwstdTInterlockedExchange6Fpll_l_]
[15089] |000000000000|000000000000|NOTY |GLOB |0    |UNDEF  |long
__rwstd::InterlockedIncrement(long*)
 
[__1cH__rwstdUInterlockedIncrement6Fpl_l_]
[14430] |000007275110|000000000140|FUNC |GLOB |0    |11     |long
log4cxx::helpers::Thread::InterlockedDecrement(volatile lon\
g*)
 
[__1cHlog4cxxHhelpersGThreadUInterlockedDecrement6Fpol_l_]
[14672] |000007274730|000000000140|FUNC |GLOB |0    |11     |long
log4cxx::helpers::Thread::InterlockedIncrement(volatile lon\
g*)
 
[__1cHlog4cxxHhelpersGThreadUInterlockedIncrement6Fpol_l_]
--------------------------------------------------------------------

1) How is the scope for the undefined symbols being resolved to __rwstd:: ??
2) Another thing I notice is that these functions (Interlocked*) occur only
in 3 source files: condition.cpp, thread.cpp, objectimpl.cpp.
    The references in the last file objectimpl.cpp are to the functions
Thread::Interlocked*. Hence, these are being resolved.
    In the other 2 files, condition.cpp thread.cpp, whatever references
exist (barring the definition of the member version of Thread class), they
should've 
    been EXCLUDED out by the pre-processor (controlled by pre-processor
macros like HAVE_MS_THREAD) !!! I have duly defined the macro 
    HAVE_PTHREAD.

I would greatly appreciate your suggestions/ ideas on how to resolve this.

Regards,
Hatinder


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