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Re: Symbol versioning bug

From: Simon Josefsson
Subject: Re: Symbol versioning bug
Date: Fri, 05 Feb 2010 12:49:27 +0100
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.1 (gnu/linux)

Simon Josefsson <address@hidden> writes:

> I have pre-released 1.17, available from:

The NEWS blurb is below.  I'll wait with making this a
release until this issue has been more thoroughly understood...


* Version 1.17 (released 2010-02-05)

** Fix symbol export problem for a few variables.
Applications (that use these rarely used variables) built against
versions before 1.13 did not work with libidn versions 1.13 to 1.16.

Symbol versioning was introduced in version 1.13 but by accident some
symbols that were visible before that release were not exported, and
the consequence was that those symbols were not available in version
1.13 to 1.16.  This release fixes the problem, so the symbols are
visible again, making this release backwards compatible with all
earlier releases.

The affected symbols are the following variables:
stringprep_iscsi_prohibit, stringprep_rfc3454_A_1,
stringprep_rfc3454_B_1, stringprep_rfc3454_B_2,
stringprep_rfc3454_B_3, stringprep_rfc3454_C_1_1,
stringprep_rfc3454_C_1_2, stringprep_rfc3454_C_2_1,
stringprep_rfc3454_C_2_2, stringprep_rfc3454_C_3,
stringprep_rfc3454_C_4, stringprep_rfc3454_C_5,
stringprep_rfc3454_C_6, stringprep_rfc3454_C_7,
stringprep_rfc3454_C_8, stringprep_rfc3454_C_9,
stringprep_rfc3454_D_1, stringprep_rfc3454_D_2,

Thanks to Marco d'Itri <address@hidden> for reporting
<> that led to
discovering this problem.

** Really fix the link error of self-tests on MinGW.

** API and ABI is backwards compatible with the previous version.

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