Is this bug in g++ /gcc-3.4.0 #3?

[llewelly@xmission.com]

I cc'd this to the gcc-help list because someone else there may either
    have a suggestion, or may have the same problem.

yuki shimada <epsoft@mint.ocn.ne.jp> writes:

> Dear person
> I am Yuki Shimada.
> Thank you for your helpping me.
> I had tried 
> 
> 1) I can find "libstdc++.so.6" is in "/usr/local/lib/libstdc++.so.6"
>    for example, I can read following list.
>      libstdc++.so
>      libstdc++.so.6
>      libstdc++.so.6.0.0
> 
> (  "find / -iname 'libstdc++.so.6' -print" takes very long time in my
> cpu .
>     So I did not complete it . ) 
> 
> 2) # echo /usr/local/lib >> /etc/ld.so.conf
>    # ldconfig
>    ---> after that,in "/etc/ld.so.conf",  command list are as followes.
> 
>       /usr/kerberos/lib
>       /usr/X11R6/lib
>       /usr/lib/sane
>       /usr/lib/qt-3.1/lib
>       /usr/local/lib     
> 
> 
> 3) in bash: I added some command like followings. Is this OK ?
> 
> # .bash_profile
> 
> # Get the aliases and functions
> if [ -f ~/.bashrc ]; then
> 	. ~/.bashrc
> fi
> 
> # User specific environment and startup programs
> 
> PATH=$PATH:$HOME/bin
> $export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
> BASH_ENV=$HOME/.bashrc
> USERNAME="root"

You don't need to do both LD_LIBRARY_PATH and ldconfig; only one or
    the other. LD_LIBRARY_PATH is per-user, ldconfig affects the whole
    machine. The cache updated by ldconfig is checked before
    LD_LIBRARY_PATH, however.

> 
> export USERNAME BASH_ENV PATH
> 
> 4) For about "csh", I have no knowledge about this.
>    Usually,I use "linux ". Must I set LD_LIBRARY_PATH in csh ?

You only need to set LD_LIBRARY_PATH for the shell you use. If you
    only use bash, don't worry about csh.

> 5) compilling and excuting result for my case;
> 
> [root@localhost c++]# g++ hello.cc
> [root@localhost c++]# ./a.out
> ./a.out: /lib/libgcc_s.so.1: version `GCC_3.3' not found (required by
> /usr/local/lib/libstdc++.so.6)
> [root@localhost c++]#

This is rather strange. I don't get this problem my fbsd or linux
    boxen. But I think the problem can be solved a same way: find
    libgcc_s.so.1, and then add the dir it is in to ldconfig.
    There are two caveats: you will have more than
    one libgcc_s.so.1 The one you want is probably in
    /usr/local/lib/gcc/i686-pc-linux-gnu/3.4.0/lib or in
    /usr/local/lib . You can find out for sure it is the right one by
    using:

    $ nm /usr/local/lib/libgcc_s.so.1 | grep GCC_3.4

    which should print something like:

    00000000 A GCC_3.4

The second caveat is that the directory containing the libgcc_s.so.1
    from gcc 3.4 *must* come first in both lists. So change your
    ld.so.conf to look like this:

    /usr/local/lib
    /lib
    /usr/lib
    /usr/kerberos/lib  
    /usr/X11R6/lib     
    /usr/lib/sane      
    /usr/lib/qt-3.1/lib

Finally run:

    # ldconfig

If this doesn't work, try LD_PRELOAD (which is also explained in the
    ld.so man page.) like this:

    $ export LD_PRELOAD=/usr/local/lib/libgcc_s.so.1



> 6) totally, I can not excute ./a.out still now.
>    Must I install "GCC_3.3" ?

GCC_3.3 is a symbol which libstdc++.so.6 requires. You could install
    gcc 3.3.3, but it wouldn't help; you still need to make ld.so find
    the *right* libgcc_s.so.1, and then, instead of having two, you'd
    have 3! So hold off on installing gcc 3.3.3 until you get 3.4
    working. 

> 7)Please help me!.