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Re: AIX library issues

On Oct 18, 2011, at 9:59 AM, David Edelsohn wrote:

> On Mon, Oct 17, 2011 at 10:05 PM, Perry Smith <> wrote:
>> dump -H
>> ...

>>  /usr/work/src/gcc-4.5.2/configure --prefix=/gsa/ausgsa/projects/r/ruby --with-gmp=/gsa/ausgsa/projects/r/ruby --with-mpfr=/gsa/ausgsa/projects/r/ruby --with-mpc=/gsa/ausgsa/projects/r/ruby --disable-nls --enable-threads=aix --with-libiconv-prefix=/usr --enable-languages=c,c++
> AIX inserts the list of libraries provided with -L options on the link
> command line into the default search path.  If you want, you can edit
> libtool created for libstdc++ to add
> -Wl,-blibpath:/gsa/ausgsa/projects/r/ruby/lib:/usr/lib:/lib and relink
> libstdc++ (or edit the path in the shared object header directly).

I'm working on a real solution to this but bumped into a question: wants libc.a, libpthreads.a, and libgcc_s.a.  The first two do not present a problem.  But there are four libgcc_s.a (normal, ppc64, pthread, and ppc64+pthread).

Note that there is also four versions of (normal, ppc64, pthread, ppc64+pthread).

My question is: which libgcc_s.a should I link to?  (this question is for each of the four versions of

Setting LIBPATH or whatever I do is going to override the internal path (since the internal path is broken).  So, this may be a question that has never been asked or answered.

My knee jerk is that the normal wants the normal libgcc_s.a, the ppc64 wants the ppc64, etc.  But I notice that it will always include pthread so that is what caused me to pause and ask.

Part of me wonders if the two non-pthread versions of libgomp make any sense.  I don't really know anything about libgomp.

Thank you for your time

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