[aspectc-user] ac++ error

Olaf Spinczyk Olaf.Spinczyk at informatik.uni-erlangen.de
Wed Nov 24 14:11:47 CET 2004

Hi Antonio,

Antonio S. de A. Terceiro wrote:
> Olaf Spinczyk escreveu isso aĆ­:
>>Hi Michael,
>>Michael Labhard wrote:
>>>Is this complaint (no version information available) a problem:
>>>New install on Gentoo Linux amd64 machine:
>>>mel at goliath aspectc++-0.9 $ ac++ -V
>>>ac++: /usr/lib/gcc-lib/x86_64-pc-linux-gnu/3.3.4/32/libstdc++.so.5: no 
>>>version information available (required by ac++)
>>>ac++: /usr/lib/gcc-lib/x86_64-pc-linux-gnu/3.3.4/32/libstdc++.so.5: no 
>>>version information available (required by ac++)
>>>ac++: /usr/lib/gcc-lib/x86_64-pc-linux-gnu/3.3.4/32/libstdc++.so.5: no 
>>>version information available (required by ac++)
>>>ac++ 0.9 (Oct 21 2004)
>>>machine details:
>>>Portage 2.0.51-r3 (default-amd64-2004.0, gcc-3.3.4, 
>>>glibc-, 2.6.9-gentoo-r1 x86_64)
>>>System uname: 2.6.9-gentoo-r1 x86_64 5
>>>Gentoo Base System version 1.4.16
>>>ccache version 2.3 [enabled]
>>>Autoconf: sys-devel/autoconf-2.59-r5
>>>Automake: sys-devel/automake-1.8.5-r1
>>>Binutils: sys-devel/binutils-
>>>Headers:  sys-kernel/linux26-headers-
>>>Libtools: sys-devel/libtool-1.5.2-r5
>>>CFLAGS="-O2 -fPIC"
>>I guess that it is no problem, because ac++ starts to execute. However, 
>>I have never seen this message before. So we can't be sure.
> I guess not, it looks that the system *tried* to execute ac++.

Well, "ac++ 0.9 (Oct 21 2004)" is the correct output of "ac++ -V".

> To run the ac++ executable, the system needs to get
> version information from the shared object (because ac++ was linked to a
> specific version of the shared library). In this case the libstdc++.so.5
> seems to not provide version information. To confirm that you can run:
> $ objdump -p libstdc++.so.5 | grep SONAME
> If you get nothing, the your installed libstdc++ doesn't provide version
> information, which is needed to run executables linked to specific
> versions of shared libraries.

thanks a lot for sharing your experience with us. Can we do anything to 
handle this problem when we compile and link ac++?

>>Did you try the statically linked version? If it works for you, you 
>>would be on the safe side.
> Yes, the static ac++ executable should work.

Michael, does the static version work properly on your system?


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