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1.\" Hey, Emacs! This is -*-nroff-*- you know...
2.\"
3.\" makeconv.1: manual page for the makeconv utility
4.\"
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5.\" Copyright (C) 2016 and later: Unicode, Inc. and others.
6.\" License & terms of use: http://www.unicode.org/copyright.html
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7.\" Copyright (C) 2000-2002 IBM, Inc. and others.
8.\"
9.\" Manual page by Yves Arrouye <yves@realnames.com>.
10.\"
11.TH MAKECONV 1 "16 April 2002" "ICU MANPAGE" "ICU @VERSION@ Manual"
12.SH NAME
13.B makeconv
14\- compile a converter table
15.SH SYNOPSIS
16.B makeconv
17[
18.BR "\-h\fP, \fB\-?\fP, \fB\-\-help"
19]
20[
21.BR "\-c\fP, \fB\-\-copyright"
22]
23[
24.BR "\-v\fP, \fB\-\-verbose"
25]
26[
27.BI "\-d\fP, \fB\-\-destdir" " destination"
28]
29.IR convertertable " .\|.\|."
30.SH DESCRIPTION
31.B makeconv
32converts the ICU converter table
33.I convertertable
34into a binary file. The binary file has the same base name as
35.I convertertable
36but has a
37.B .cnv
38extension (instead of the typical
39.B .ucm
40extension of the
41.I convertertable
42file).
43This binary file can then be read directly by ICU, or used by
44.BR pkgdata (1)
45for incorporation into a larger archive or library.
46.PP
47The
48.I convertertable
49must be in the ICU ucm (Unicode Codepage Mapping) format in order to
50be understood by
51.BR makeconv .
52The ICU ucm format is similar to the IBM NLTC upmap/tpmap/rpmap files.
53Comments in the
0f5d89e8 54.I convertertable
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55are handled as follows. If a comment (starting with a `#' sign) that
56is after some text does contain the fallback indicator `|' then only
57the text starting with the `#' sign, and ending before the `|' sign,
58is ignored.
59Otherwise, or if the comment is the first thing on the line,
60the comment runs up to the end of the line. This special
0f5d89e8 61handling of comments is to accommodate the practice of putting fallback
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62information in comments in the strict IBM NLTC ucmap format.
63.PP
64Note that new converters will be automatically found by ICU after their
65installation in ICU's data directory. They do not need to
66be listed in the
67.BR convrtrs.txt (5)
68converters aliases file in order to be available to applications using ICU.
69They do need to be listed there if one wants to give them aliases, or
70tags, though.
71.SH OPTIONS
72.TP
73.BR "\-h\fP, \fB\-?\fP, \fB\-\-help"
74Print help about usage and exit.
75.TP
76.BR "\-c\fP, \fB\-\-copyright"
77Include a copyright notice in the binary data.
78.TP
79.BR "\-v\fP, \fB\-\-verbose"
80Display extra informative messages during execution.
81.TP
82.BI "\-d\fP, \fB\-\-destdir" " destination"
83Set the destination directory to
84.IR destination .
85The default destination directory is specified by the environment variable
86.BR ICU_DATA .
87.SH CAVEATS
88If an existing converter table is changed and recompiled using
89.BR makeconv ,
90the resulting binary file must be packaged in the same way that it was
91packaged initially. For example, if converters were grouped together in
92an archive or a library with
93.BR pkgdata (1),
94then the archive or library must be rebuilt with the new binary file.
95A standalone binary converter file will not take precedence over a
96packaged one.
97.SH ENVIRONMENT
98.TP 10
99.B ICU_DATA
100Specifies the directory containing ICU data. Defaults to
101.BR @thepkgicudatadir@/@PACKAGE@/@VERSION@/ .
102Some tools in ICU depend on the presence of the trailing slash. It is thus
103important to make sure that it is present if
104.B ICU_DATA
105is set.
106.SH VERSION
107@VERSION@
108.SH COPYRIGHT
109Copyright (C) 2000 IBM, Inc. and others.
110.SH SEE ALSO
111.BR convrtrs.txt (5)
112.br
113.BR pkgdata (1)
114