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f3c0d7a5 1Copyright (C) 2016 and later: Unicode, Inc. and others. License & terms of use: http://www.unicode.org/copyright.html
4388f060 2Copyright (c) 2002-2011, International Business Machines Corporation and others. All Rights Reserved.
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3The genren.pl script is used to generate source/common/unicode/urename.h header file, which is needed for renaming the ICU exported names.
4
5This script is intended to be used on Linux, although it should work on any platform that has Perl and nm command. Makefile may need to be updated, it's not 100% portable.
6
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7It also does not currently work well in an out-of-source situation.
8
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9The following instructions are for Linux version.
10- urename.h file should be generated after implementation is complete for a release.
729e4ab9 11- the version number for a release should be set according to the list in source/common/unicode/uvernum.h
b75a7d8f 12
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13Before generating urename.h, the layout engine header files must be installed from the harfbuzz project.
14This is prerequisite for the icu layoutex (Paragraph Layout) project, which is subject to renaming.
15(Using the svn command is the simplest way of getting just the files from one subdirectory of the git project.)
16
17 cd icu4c/source
18 svn export https://github.com/behdad/icu-le-hb/trunk/src layout
19
20- Regenerate urename.h
21
22 cd icu4c/source/tools/genren
23 make install-header
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24
25- urename.h will be updated in icu/source/common/unicode/urename.h **in your original source directory**
0f5d89e8 26- Warnings concerning bad namespace (not 'icu') on UCaseMap can be ignored.
4388f060 27- Eyeball the new file for errors
b75a7d8f 28
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29 cd icu4c/source
30 svn diff common/unicode/urename.h
31
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32- Other make targets here
33
34 clean - cleans out intermediate files
35 urename.h -just builds ./urename.h