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The zlib library itself is released under specific zlib license see
zlib.h in tarball
However files
zlib-1.2.3/contrib/asm586/match.S
zlib-1.2.3/contrib/masm686/match.asm
zlib-1.2.3/contrib/masmx86/gvmat32.asm
zlib-1.2.3/contrib/ada/zlib.ads
which are not used to build zlib library, but are shipped in source
of zlib are release under the GNU General Public License, see the
text of the GNU GPL below.
---------------------------------------------------------------
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
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<signature of Ty Coon>, 1 April 1989
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This General Public License does not permit incorporating your program into
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consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

56
zlib-1.2.3-686.patch Normal file
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@ -0,0 +1,56 @@
diff -uNr zlib-1.2.3/contrib/asm686/match.S zlib-1.2.3-686/contrib/asm686/match.S
--- zlib-1.2.3/contrib/asm686/match.S 2005-07-12 11:08:20.000000000 -0700
+++ zlib-1.2.3-686/contrib/asm686/match.S 2007-04-10 22:48:15.000000000 -0700
@@ -1,9 +1,23 @@
-/* match.s -- Pentium-Pro-optimized version of longest_match()
- * Written for zlib 1.1.2
- * Copyright (C) 1998 Brian Raiter <breadbox@muppetlabs.com>
+/* match.S -- x86 assembly version of the zlib longest_match() function.
+ * Optimized for the Intel 686 chips (PPro and later).
*
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License.
+ * Copyright (C) 1998, 2007 Brian Raiter <breadbox@muppetlabs.com>
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the author be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
*/
#ifndef NO_UNDERLINE
diff -uNr zlib-1.2.3/contrib/asm686/README.686 zlib-1.2.3-686/contrib/asm686/README.686
--- zlib-1.2.3/contrib/asm686/README.686 1998-06-19 07:47:27.000000000 -0700
+++ zlib-1.2.3-686/contrib/asm686/README.686 2007-04-10 22:33:54.000000000 -0700
@@ -32,3 +32,20 @@
CFLAGS="-O3 -DASMV" ./configure
make OBJA=match.o
+
+
+Update:
+
+I've been ignoring these assembly routines for years, believing that
+gcc's generated code had caught up with it sometime around gcc 2.95
+and the major rearchitecting of the Pentium 4. However, I recently
+learned that, despite what I believed, this code still has some life
+in it. On the Pentium 4 and AMD64 chips, it continues to run about 8%
+faster than the code produced by gcc 4.1.
+
+In acknowledgement of its continuing usefulness, I've altered the
+license to match that of the rest of zlib. Share and Enjoy!
+
+Brian Raiter
+breadbox@muppetlabs.com
+April, 2007

7
zlib.changes
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@ -1,3 +1,10 @@
-------------------------------------------------------------------
Fri Apr 24 10:33:06 CEST 2009 - mseben@suse.cz
- added LICENSE file, for GPL licensed contrib files, however
they are not used to build our zlib library (bnc#490107)
- added zlib-1.2.3-686.patch - update license text (bnc#490107)
-------------------------------------------------------------------
Sat Mar 21 16:23:42 CET 2009 - crrodriguez@suse.de

10
zlib.spec
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@ -30,14 +30,17 @@ Obsoletes: zlib-64bit
%endif
#
Version: 1.2.3
Release: 138
Release: 139
Summary: Data Compression Library
Source: zlib-%{version}.tar.bz2
Source1: LICENSE
Patch: zlib-1.2.1-make-test.patch
Patch1: zlib-1.2.1-vsnprintf.patch
Patch2: zlib-1.2.1-CFLAGS.dif
Patch3: zlib-1.2.2-format.patch
Patch4: zlib-1.2.3-visibility-support.patch
#PATCH-FIX-UPSTREAM patch from Brian Raiter, update only license text of contrib file (#490107)
Patch5: zlib-1.2.3-686.patch
Url: http://www.zlib.net/
BuildRoot: %{_tmppath}/%{name}-%{version}-build
@ -95,6 +98,7 @@ libraries.
%patch2
%patch3 -p1
%patch4 -p1
%patch5 -p1
%build
CFLAGS="$RPM_OPT_FLAGS" ./configure --shared
@ -145,6 +149,10 @@ rm -rf %{buildroot}
%{_libdir}/libz.a
%changelog
* Fri Apr 24 2009 mseben@suse.cz
- added LICENSE file, for GPL licensed contrib files, however
they are not used to build our zlib library (bnc#490107)
- added zlib-1.2.3-686.patch - update license text (bnc#490107)
* Sat Mar 21 2009 crrodriguez@suse.de
- there is one valid use case of static zlib in "qemu" package
split a -devel-static subpackage, please do not BuildRequire