ns-2 compilation with "gcc"

[Yu-Kung Ke <yukung@gcatt.gatech.edu>]

  Hi, everyone
  
  I have been trying to compile ns-2 module with gcc compiler.
  
  I got some error message. Can anyone tell me how I can overcome these
  
  problems.
  
  Thx.
  
  
error messages--->
  
ld: fatal: symbol `__default_unexpected__Fv' is multiply defined:
        (file /usr/local/lib/libstdc++.a(exceptioni.o) and file 
/usr/local/lib/gcc-lib/sparc-sun-solaris2.6/2.8.0/libgcc.a(exception.o));
ld: fatal: symbol `terminate__Fv' is multiply defined:
        (file /usr/local/lib/libstdc++.a(exceptioni.o) and file 
/usr/local/lib/gcc-lib/sparc-sun-solaris2.6/2.8.0/libgcc.a(exception.o));
ld: fatal: symbol `set_terminate__FPFv_v' is multiply defined:
        (file /usr/local/lib/libstdc++.a(exceptioni.o) and file 
/usr/local/lib/gcc-lib/sparc-sun-solaris2.6/2.8.0/libgcc.a(exception.o));
ld: fatal: symbol `set_unexpected__FPFv_v' is multiply defined:
        (file /usr/local/lib/libstdc++.a(exceptioni.o) and file 
/usr/local/lib/gcc-lib/sparc-sun-solaris2.6/2.8.0/libgcc.a(exception.o));
ld: fatal: symbol `unexpected__Fv' is multiply defined:
        (file /usr/local/lib/libstdc++.a(exceptioni.o) and file 
/usr/local/lib/gcc-lib/sparc-sun-solaris2.6/2.8.0/libgcc.a(exception.o));
ld: fatal: File processing errors. No output written to ns
*** Error code 1
make: Fatal error: Command failed for target `ns'