Linking shared C++ libs on sparc-solaris with gcc2.95

[Wolfgang Bangerth]

Hi there,
using the tagdemo example in libtool (today's CVS), I noticed that no
C++isms are used, so tried the following patch on foo.cpp:
===================================================================
RCS file: /cvsroot/libtool/libtool/tagdemo/foo.cpp,v
retrieving revision 1.3
diff -r1.3 foo.cpp
28a29,30
> #include <iostream>
> 
40c42
<   printf ("** This is libfoo (tagdemo) **\n");
---
>   std::cout << "** This is libfoo (tagdemo) **\n";

Now running libtool to create a shared library succeeds as before on a
Linux box, but fails on a sparc-sun-solaris2.7 machine using gcc2.95, with
hundreds of error messages of the form

<unknown>                           0xac8 
/usr/local/gcc/gcc-2.95.2-mt/lib/gcc-lib/sparc-sun-solaris2.6/2.95.2/libstdc++.a(iovfscanf.o)
[...]
ostdiostream::ios virtual table     0x5ac 
/usr/local/gcc/gcc-2.95.2-mt/lib/gcc-lib/sparc-sun-solaris2.6/2.95.2/libstdc++.a(stdiostream.o)
[...]

It succeeded on this machine before, probably since the example sources
did not use elements from libstdc++, so there was no reason to pull this
library in. It _also_ succeeds if I use gcc3.0.4 instead of gcc2.95.

Question: does anyone know what to do here? I.e. get it to work with
gcc2.95 as well?

Thanks
  Wolfgang

-------------------------------------------------------------------------
Wolfgang Bangerth          email: address@hidden
                             www: http://gaia.iwr.uni-heidelberg.de/~wolf