| Geant4 Cross Reference (Editor's cut) |
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1 Gunter Folger - 12 June 2018
2 ============================
3 - Switch to original zlib sources, using zlib 1.2.11. Use C as compiler.
4 Keep sources.cmake, this has most of zlib CMakeLists.txt code.
5
6 Gunter Folger - 17 June 2015
7 ============================
8 - Update to zlib-1.2.8, keeping Geant4 specific structure of files.
9 Compare files to new zlib, and transfer changes, keeping local
10 modifications, like function declarationss, and removed register keyword.
11
12
13 Gunter Folger - 27-March 2013
14 =============================
15 Update to zlib 1.2.7
16 Again, rename source files to .cc.
17 Add files for reading zlib format, i.e. zlib is now complete.
18 Re-modify functions to compile with C++ compiler, "type-name" rather than
19 "name { type" in all .cc code.
20 In {gzlib,gzread,gzwrite}.cc, introduced several casts to avoid compile error for invalid
21 converion
22 - May 2013:
23 Adapt to Geant4 cmake; copied portions of zlib CMakeLists.tzt to sources.cmake,
24 using standard G4 CMakeLists.txt. Private header are in src, include only has
25 zlib.h; zconf.h is configured and put into build tree; these two header files
26 are installed.
27
28 Mark Donszelmann - 4 May 2005
29 =============================
30 Files renamed to .cc
31 Removed all files for reading zlib format.
32 Functions were modified to compile with C++ compiler, "type-name" rather than
33 "name { type", in:
34
35 adler32.cc, compress.cc, crc32.cc, deflate.cc, trees.cc
36
37 In: deflate.cc and trees.cc all strings are casted to (char*) to avoid warnings.
38 =============================================================
39
40
41 Original zlib README:
42 =====================
43 ZLIB DATA COMPRESSION LIBRARY
44
45 zlib 1.2.7 is a general purpose data compression library. All the code is
46 thread safe. The data format used by the zlib library is described by RFCs
47 (Request for Comments) 1950 to 1952 in the files
48 http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and
49 rfc1952 (gzip format).
50
51 All functions of the compression library are documented in the file zlib.h
52 (volunteer to write man pages welcome, contact zlib@gzip.org). A usage example
53 of the library is given in the file test/example.c which also tests that
54 the library is working correctly. Another example is given in the file
55 test/minigzip.c. The compression library itself is composed of all source
56 files in the root directory.
57
58 To compile all files and run the test program, follow the instructions given at
59 the top of Makefile.in. In short "./configure; make test", and if that goes
60 well, "make install" should work for most flavors of Unix. For Windows, use
61 one of the special makefiles in win32/ or contrib/vstudio/ . For VMS, use
62 make_vms.com.
63
64 Questions about zlib should be sent to <zlib@gzip.org>, or to Gilles Vollant
65 <info@winimage.com> for the Windows DLL version. The zlib home page is
66 http://zlib.net/ . Before reporting a problem, please check this site to
67 verify that you have the latest version of zlib; otherwise get the latest
68 version and check whether the problem still exists or not.
69
70 PLEASE read the zlib FAQ http://zlib.net/zlib_faq.html before asking for help.
71
72 Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan. 1997
73 issue of Dr. Dobb's Journal; a copy of the article is available at
74 http://marknelson.us/1997/01/01/zlib-engine/ .
75
76 The changes made in version 1.2.7 are documented in the file ChangeLog.
77
78 Unsupported third party contributions are provided in directory contrib/ .
79
80 zlib is available in Java using the java.util.zip package, documented at
81 http://java.sun.com/developer/technicalArticles/Programming/compression/ .
82
83 A Perl interface to zlib written by Paul Marquess <pmqs@cpan.org> is available
84 at CPAN (Comprehensive Perl Archive Network) sites, including
85 http://search.cpan.org/~pmqs/IO-Compress-Zlib/ .
86
87 A Python interface to zlib written by A.M. Kuchling <amk@amk.ca> is
88 available in Python 1.5 and later versions, see
89 http://docs.python.org/library/zlib.html .
90
91 zlib is built into tcl: http://wiki.tcl.tk/4610 .
92
93 An experimental package to read and write files in .zip format, written on top
94 of zlib by Gilles Vollant <info@winimage.com>, is available in the
95 contrib/minizip directory of zlib.
96
97
98 Notes for some targets:
99
100 - For Windows DLL versions, please see win32/DLL_FAQ.txt
101
102 - For 64-bit Irix, deflate.c must be compiled without any optimization. With
103 -O, one libpng test fails. The test works in 32 bit mode (with the -n32
104 compiler flag). The compiler bug has been reported to SGI.
105
106 - zlib doesn't work with gcc 2.6.3 on a DEC 3000/300LX under OSF/1 2.1 it works
107 when compiled with cc.
108
109 - On Digital Unix 4.0D (formely OSF/1) on AlphaServer, the cc option -std1 is
110 necessary to get gzprintf working correctly. This is done by configure.
111
112 - zlib doesn't work on HP-UX 9.05 with some versions of /bin/cc. It works with
113 other compilers. Use "make test" to check your compiler.
114
115 - gzdopen is not supported on RISCOS or BEOS.
116
117 - For PalmOs, see http://palmzlib.sourceforge.net/
118
119
120 Acknowledgments:
121
122 The deflate format used by zlib was defined by Phil Katz. The deflate and
123 zlib specifications were written by L. Peter Deutsch. Thanks to all the
124 people who reported problems and suggested various improvements in zlib; they
125 are too numerous to cite here.
126
127 Copyright notice:
128
129 (C) 1995-2012 Jean-loup Gailly and Mark Adler
130
131 This software is provided 'as-is', without any express or implied
132 warranty. In no event will the authors be held liable for any damages
133 arising from the use of this software.
134
135 Permission is granted to anyone to use this software for any purpose,
136 including commercial applications, and to alter it and redistribute it
137 freely, subject to the following restrictions:
138
139 1. The origin of this software must not be misrepresented; you must not
140 claim that you wrote the original software. If you use this software
141 in a product, an acknowledgment in the product documentation would be
142 appreciated but is not required.
143 2. Altered source versions must be plainly marked as such, and must not be
144 misrepresented as being the original software.
145 3. This notice may not be removed or altered from any source distribution.
146
147 Jean-loup Gailly Mark Adler
148 jloup@gzip.org madler@alumni.caltech.edu
149
150 If you use the zlib library in a product, we would appreciate *not* receiving
151 lengthy legal documents to sign. The sources are provided for free but without
152 warranty of any kind. The library has been entirely written by Jean-loup
153 Gailly and Mark Adler; it does not include third-party code.
154
155 If you redistribute modified sources, we would appreciate that you include in
156 the file ChangeLog history information documenting your changes. Please read
157 the FAQ for more information on the distribution of modified source versions.
