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Re: [Monotone-devel] Re: couple of things

From: Zack Weinberg
Subject: Re: [Monotone-devel] Re: couple of things
Date: Wed, 13 Feb 2008 10:11:21 -0500

On Wed, Feb 13, 2008 at 3:49 AM, Lapo Luchini <address@hidden> wrote:
> Zack Weinberg wrote:
>  > 1a) The configure script now will not let you use a system-provided
>  > libpcre if it's a different version than the bundled one.
>  Wow, does PCRE *really* break backward-compatibility so often and so
>  badly to need such a check?

I can argue it either way.  Right now I'm going with the following
argument (which is recorded in pcre.m4) but I'm not entirely convinced
by my own logic.

# "Unsuitable" is defined as "any version other than the bundled one".  In
# other words, if you want to use a system PCRE you must provide the exact
# same version that was shipped with this release of Monotone.  We do this
# because regexes are part of the visible user interface, but their syntax
# may change from release to release of PCRE.  We want each version of our
# program to exhibit the regex syntax that was documented in its manual.


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