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Re: Debian patches

From: Reuben Thomas
Subject: Re: Debian patches
Date: Wed, 10 Mar 2010 15:21:14 +0000

2010/3/7 Jim Meyering <address@hidden>:
> Reuben Thomas wrote:
>> Could I get some clarification on whether there's any desire for an
>> acceptable version of my patch to allow libpcre to be linked at
>> run-time?
> I certainly like the idea.

So, currently comments against patch #7017 include:

Mike Frysinger: you cant dlopen(libpcre.so)

Paolo Bonzini: This would be acceptable together with a configure test
that dlopen("libpcre.so"). I don't think we want something as
complicated as libltdl for grep.

This does not yet look like a consensus. I'd also point out that this
issue potentially affects patch #6107, which is for transparent
decompression, as logically one would like transparently to decompress
as many formats as possible, and at least gzip, bz2, lzma and xz, I
imagine (as they are all formats supported by, for example, GNU tar).
These are all libraries which may or in some cases may not be present,
and could be in /lib or in /usr/lib.

To try to please everyone, I attach a patch that uses dlopen (where
available) and allows dlopening not to be used (configure
--without-dl) when desired.


Attachment: 0001-Optionally-dlopen-PCRE.patch
Description: Binary data

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