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Re: [PATCH] support --without-multilib --with-specs=-pthread on AIX
- From: David Edelsohn <dje dot gcc at gmail dot com>
- To: Michael Haubenwallner <michael dot haubenwallner at ssi-schaefer dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 17 Feb 2015 22:44:44 -0500
- Subject: Re: [PATCH] support --without-multilib --with-specs=-pthread on AIX
- Authentication-results: sourceware.org; auth=none
- References: <54E2F5EF dot 3030209 at ssi-schaefer dot com> <CAGWvnykaRsL9B1-bdY6fDK58KCZyHCq3fp_6VwPA53c2H9t_5g at mail dot gmail dot com> <54E368C1 dot 1050302 at ssi-schaefer dot com>
On Tue, Feb 17, 2015 at 11:13 AM, Michael Haubenwallner
<michael.haubenwallner@ssi-schaefer.com> wrote:
>>> Anyway, this patch allows me to configure --without-multilib --with-specs=-pthread
>>
>> libgcc build does not distinguish between different releases of AIX.
>> This patch will break AIX 4.3. There apparently are people using
>> current GCC on AIX. Why are you submitting a patch that explicitly
>> reverts AIX 4.3 support?
>
> Erm, this patch is meant to make use of LIB_SPEC found in config/rs6000/aixXY.h even for
> libgcc_s, and with config/rs6000/aix43.h the linked pthread libraries would not change.
Other than multilib configure options, what is the advantage of this?
AIX has enough other gratuitous differences, I'm loath to use this
libgcc specs trick.
Thanks, David