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4	Changes in TIFF v4.0.6
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12<B><FONT SIZE=+3>T</FONT>IFF <FONT SIZE=+2>C</FONT>HANGE <FONT SIZE=+2>I</FONT>NFORMATION</B>
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15<UL>
16<HR SIZE=4 WIDTH=65% ALIGN=left>
17<B>Current Version</B>: v4.0.6<BR>
18<B>Previous Version</B>: <A HREF=v4.0.5.html>v4.0.5</a><BR>
19<B>Master FTP Site</B>: <A HREF="ftp://download.osgeo.org/libtiff">
20download.osgeo.org</a>, directory pub/libtiff</A><BR>
21<B>Master HTTP Site</B>: <A HREF="http://www.simplesystems.org/libtiff/">
22http://www.simplesystems.org/libtiff/</a>
23<HR SIZE=4 WIDTH=65% ALIGN=left>
24</UL>
25
26<P>
27This document describes the changes made to the software between the
28<I>previous</I> and <I>current</I> versions (see above).  If you don't
29find something listed here, then it was not done in this timeframe, or
30it was not considered important enough to be mentioned.  The following
31information is located here:
32<UL>
33<LI><A HREF="#highlights">Major Changes</A>
34<LI><A HREF="#configure">Changes in the software configuration</A>
35<LI><A HREF="#libtiff">Changes in libtiff</A>
36<LI><A HREF="#tools">Changes in the tools</A>
37<LI><A HREF="#contrib">Changes in the contrib area</A>
38</UL>
39<p>
40<P><HR WIDTH=65% ALIGN=left>
41
42<!--------------------------------------------------------------------------->
43
44<A NAME="highlights"><B><FONT SIZE=+3>M</FONT>AJOR CHANGES:</B></A>
45
46<UL>
47
48	<li> Now builds with CMake 2.8.9 and newer (previously required 3.0.0)
49
50</UL>
51
52
53<P><HR WIDTH=65% ALIGN=left>
54<!--------------------------------------------------------------------------->
55
56<A NAME="configure"><B><FONT SIZE=+3>C</FONT>HANGES IN THE SOFTWARE CONFIGURATION:</B></A>
57
58<UL>
59
60  <LI> CMakeLists.txt / CMake
61    <UL>
62      <LI> Supports CMake 2.8.9 and later.
63      <LI> Add missing file which wasn't being distributed, causing
64      unit tests to fail.
65      <LI> Make shared/static library building configurable.
66      <LI> CMake reads all version information directly from
67      configure.ac to avoid duplication of values.
68      <LI> CMake builds are now included in 'distcheck' target.
69    </UL>
70  </LI>
71
72  <LI> Makefile.am
73    <UL>
74      <LI> Autotools 'make distcheck' now tests the CMake-based build
75      if CMake is available.
76    </UL>
77  </LI>
78
79</UL>
80
81<P><HR WIDTH=65% ALIGN=left>
82
83<!--------------------------------------------------------------------------->
84
85<A NAME="libtiff"><B><FONT SIZE=+3>C</FONT>HANGES IN LIBTIFF:</B></A>
86
87<UL>
88
89    <LI> Fixes to avoid undefined behaviour of signed types (C
90    standard compliance).
91    <LI> Fixes to avoid possible isses when casting to unsigned char.
92    <LI> Fixes to avoid undefined behaviour with shifts.
93    <LI> Fix generation of output with 16 bit or 32 bit integer, when
94    byte swapping is needed, in horizontal predictor (#2521).
95    <LI> Fix decoding when there is a single pixel to decode (unlikely
96    case...) and byte swapping is involved.
97    <LI> Add add explicit masking with 0xff before casting to uchar in
98    floating-point horizontal differencing and accumulation routines.
99    <LI> Eliminate requirement for and use of 64-bit constant values.
100
101</UL>
102
103<P><HR WIDTH=65% ALIGN=left>
104
105<!-------------------------------------------------------------------------->
106
107<A NAME="tools"><B><FONT SIZE=+3>C</FONT>HANGES IN THE TOOLS:</B></A>
108
109<UL>
110
111  <LI> tiffgt
112    <UL>
113      <LI> Silence glut API deprecation warnings on MacOS X.
114    </UL>
115
116
117  <LI> fax2ps
118    <UL>
119      <LI> Detect failure to write to temporary file.
120    </UL>
121
122</UL>
123
124<P><HR WIDTH=65% ALIGN=left>
125
126<!--------------------------------------------------------------------------->
127
128<A NAME="contrib"><B><FONT SIZE=+3>C</FONT>HANGES IN THE CONTRIB AREA:</B></A>
129
130<UL>
131
132  <LI> None
133
134</UL>
135
136Last updated $Date: 2016-09-25 20:05:47 $.
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