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To: cygwin <cygwin AT cygwin DOT com>
From: Ken Brown <kbrown AT cornell DOT edu>
Subject: Problem with nm in binutils-2.25-2 on x86
Message-ID: <5613C8B0.5060604@cornell.edu>
Date: Tue, 6 Oct 2015 09:12:16 -0400
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This is a followup to 
https://www.cygwin.com/ml/cygwin/2015-10/msg00059.html .

I tried to build icu using gcc-5 and binutils-2.25-2 on x86.  The build 
appeared to hang when cygport was stripping executables.  I traced the 
problem to a call to 'nm -l' in src_postinst.cygpart.  This produced 
errors like the following when called on some of the DLLs:

$ nm -l cygicui18n56.dll
6270c458 b .bssBFD: Dwarf Error: Could not find abbrev number 1151.
6270c594 b .bssBFD: Dwarf Error: Could not find abbrev number 1151.
6270c0cc b .bssBFD: Dwarf Error: Could not find abbrev number 1151.
...

This particular DLL can be found at

   http://sanibeltranquility.com/cygwin/cygicui18n56.dll.xz

nm -l from binutils-2.25-1 has no problem on this DLL.  The behavior is 
the same whether the DLL is built using binutils-2.25-1 or 2.25-2, so 
this appears to just be a bug in nm.  [The DLL I posted at the above URL 
was buil with binutils-2.25-1.]

Ken

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