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Date: Thu, 16 Jun 2011 09:40:08 GMT
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To: freebsd-geom@FreeBSD.org
From: Guillem Jover <guillem@debian.org>
Cc: 
Subject: Re: kern/157879: [libgeom] ABI change without version bump in 8.2
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The following reply was made to PR kern/157879; it has been noted by GNATS.

From: Guillem Jover <guillem@debian.org>
To: bug-followup@FreeBSD.org, kaduk@mit.edu
Cc:  
Subject: Re: kern/157879: [libgeom] ABI change without version bump in 8.2
Date: Thu, 16 Jun 2011 11:25:34 +0200

 --mP3DRpeJDSE+ciuQ
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 Hi!
 
 The ‘struct gprovider’ got two new members in the middle of a public
 struct, so this might cause programs built against the old headers to
 access the wrong member with the new library or the other way around.
 That's exactly what happened to us at least with grub2.
 
 I'm attaching the trivial patch we are using in Debian GNU/kFreeBSD.
 
 thanks,
 guillem
 
 --mP3DRpeJDSE+ciuQ
 Content-Type: text/x-diff; charset=us-ascii
 Content-Disposition: attachment; filename="libgeom_abi_bump.patch"
 
 Index: lib/libgeom/Makefile
 ===================================================================
 --- lib/libgeom/Makefile	(revision 223144)
 +++ lib/libgeom/Makefile	(working copy)
 @@ -1,6 +1,7 @@
  # $FreeBSD$
  
  LIB=	geom
 +SHLIB_MAJOR=	1
  SHLIBDIR?= /lib
  SRCS+=	geom_getxml.c
  SRCS+=	geom_stats.c
 
 --mP3DRpeJDSE+ciuQ--