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Re: [v3] libstdc++/21726


Janis Johnson wrote:

>I run the testsuites with "--target_board=unix'{-m32,-m64}'", making the
>other tests run with both -m32 and -m64.  I see abi_check being built
>both ways and two summaries, but both summaries are identical.
>  
>
Thanks for the info.

>Configuring GCC on powerpc64-linux to generate 32-bit objects by default
>is done for the compilers in SLES9 and RHEL4, so it's not unusual.  See
>config/rs6000/t-linux64 for the usual multilib directories.
>  
>
Indeed you are right. The problem is, we have got the  - unwritten,
maybe, that would be bad: I have to check and, in case, complete the
docs - rule that the ABI baseline files are generated for a *default*
configured compiler: for instance, if you select a special locale model,
via --enable-clocale=, abi_check also fails. Therefore, either we
improve fundamentally the abi_check machinery, or I can only assume no
--with-cpu=, I believe (+ fixing the docs, in case)

Paolo.


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