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Re: Latest snapshot and glibc regex support

From: Paolo Bonzini
Subject: Re: Latest snapshot and glibc regex support
Date: Fri, 19 Mar 2010 10:42:23 +0100
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On 03/19/2010 08:55 AM, Jim Meyering wrote:
             /* Reject hosts whose regoff_t values are too narrow.
                These include glibc 2.3.5 on hosts with 64-bit ptrdiff_t
                and 32-bit int.  */
             if (sizeof (regoff_t)<  sizeof (ptrdiff_t)
                 || sizeof (regoff_t)<  sizeof (ssize_t))
               return 1;

gnulib still has one very large change that glibc lacks.
Merging it for submission to glibc will very tedious and time
consuming, but I should get to it eventually.

This change was rejected by Uli on ABI compatibility grounds.

I don't think support for >2GB subjects is worth dropping support for collation symbols, so gnulib should IMO remove this check, and (I disagree with Jim) LFS in the meanwhile should use --without-included-regex despite the failure. It looks sufficiently obscure, sed may care but grep most likely doesn't.

We should look into the failure and fix it, either in grep or glibc.


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