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Re: Tracking down source of libgcc_s.so compatibility?
- From: Daniel Jacobowitz <drow at false dot org>
- To: Daniel Kegel <dank at kegel dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Thu, 9 Jun 2005 09:21:36 -0400
- Subject: Re: Tracking down source of libgcc_s.so compatibility?
- References: <42A787E6.80208@kegel.com>
On Wed, Jun 08, 2005 at 05:05:58PM -0700, Daniel Kegel wrote:
> Daniel Jacobowitz wrote:
> >Daniel Kegel wrote:
> >>Can somebody suggest a place to start looking for
> >>why the libgcc_s.so built by crosstool's gcc-3.4 can't handle
> >>exceptions from apps built by fc3's gcc-3.4?
> >
> >Try diffing the output of configure from building one and the other.
> >Probably some important linker feature is misdetected.
>
> OK, good idea.
>
> One other data point: the crosstool gcc was built against glibc-2.2.2,
> but the fc3 gcc was of course built against glibc-2.3.x.
> How likely is that to cause problems in exception handling?
Very. The fc3 gcc may assume dl_iterate_phdr.
--
Daniel Jacobowitz
CodeSourcery, LLC