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ICU-1080 Update the documentation on data loading/unloading, Unicode support and s/390 building.

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X-SVN-Rev: 5524
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George Rhoten 2001-08-17 21:34:55 +00:00
parent fc61c83aa2
commit a3c9782b1c
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icu4c/readme.html
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@ -79,7 +79,7 @@
<ul class="TOC">
<li><a href="#ImportantNotesWindows">Windows Platform</a></li>
<li><a href="#sharedLibNote">Using Shared Data Libraries</a></li>
<li><a href="#ImportantNotesUnix">Unix Type Platforms</a></li>
</ul>
</li>
@ -153,8 +153,8 @@
<h3><a name="NewsUnicodeVer">Support for Unicode 3.1</a></h3>
<p>The ICU data has been upgraded to support Unicode 3.1. This means that
the character property data and normalization has changed. Recent
<p>The ICU 2.0 data has been upgraded to support Unicode 3.1. This means
that the character property data and normalization has changed. Recent
versions of ICU already supported Unicode 3.0 data with UTF-16 surrogate
pairs.</p>
@ -973,9 +973,9 @@
Release build: <code>CFLAGS=-2 IEEE390=1 ./configure</code></p>
</li>
<li>Since the default make on OS/390 is not gmake, pkgdata tool
requires that the environment variable MAKE be set to fully qualified
path to gmake.</li>
<li>Since the default make on OS/390 is not gmake, the pkgdata tool
requires that the "make" command is aliased to your installed version
of gmake.</li>
<li>The makedep executable that is used with the OS/390 ICU build
process is not shipped with ICU. It is available at the <a href=
@ -1219,16 +1219,12 @@ Data set name type : PDS
seemingly get memory errors when you run the executable.<br>
</p>
<h3><a name="sharedLibNote">Using Shared Data Libraries</a></h3>
<h3><a name="ImportantNotesUnix">Unix Type Platform</a></h3>
<p>HP/UX has a documented characteristic where the shl_unload() function
always unloads a library, regardless of how many times the library has
been loaded. Most operating systems reference count libraries as they are
opened. In the future (Jitterbug 414) this may be corrected in ICU, but
at present, we work around this problem by simply NOT ever unloading
shared libraries. This means that once a data library is loaded (ex:
libicudata.sl) by a process, it cannot be unloaded and replaced without
stopping and restarting the process.</p>
<p>If you are building on a Unix platform, it is important that you add
the location of your ICU libraries (including the data library) to your
LD_LIBRARY_PATH environment variable. The ICU libraries may not link or
load properly without doing this.</p>
<h2><a name="UsageInformation">Getting More Information About
ICU</a></h2>