174 lines
5.5 KiB
Plaintext
174 lines
5.5 KiB
Plaintext
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GNU LIBICONV - character set conversion library
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This library provides an iconv() implementation, for use on systems which
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don't have one, or whose implementation cannot convert from/to Unicode.
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It provides support for the encodings:
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European languages
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ASCII, ISO-8859-{1,2,3,4,5,7,9,10,13,14,15,16},
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KOI8-R, KOI8-U, KOI8-RU,
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CP{1250,1251,1252,1253,1254,1257}, CP{850,866,1131},
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Mac{Roman,CentralEurope,Iceland,Croatian,Romania},
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Mac{Cyrillic,Ukraine,Greek,Turkish},
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Macintosh
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Semitic languages
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ISO-8859-{6,8}, CP{1255,1256}, CP862, Mac{Hebrew,Arabic}
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Japanese
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EUC-JP, SHIFT_JIS, CP932, ISO-2022-JP, ISO-2022-JP-2, ISO-2022-JP-1,
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ISO-2022-JP-MS
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Chinese
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EUC-CN, HZ, GBK, CP936, GB18030, EUC-TW, BIG5, CP950, BIG5-HKSCS,
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BIG5-HKSCS:2004, BIG5-HKSCS:2001, BIG5-HKSCS:1999, ISO-2022-CN,
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ISO-2022-CN-EXT
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Korean
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EUC-KR, CP949, ISO-2022-KR, JOHAB
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Armenian
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ARMSCII-8
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Georgian
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Georgian-Academy, Georgian-PS
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Tajik
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KOI8-T
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Kazakh
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PT154, RK1048
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Thai
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ISO-8859-11, TIS-620, CP874, MacThai
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Laotian
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MuleLao-1, CP1133
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Vietnamese
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VISCII, TCVN, CP1258
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Platform specifics
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HP-ROMAN8, NEXTSTEP
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Full Unicode
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UTF-8
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UCS-2, UCS-2BE, UCS-2LE
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UCS-4, UCS-4BE, UCS-4LE
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UTF-16, UTF-16BE, UTF-16LE
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UTF-32, UTF-32BE, UTF-32LE
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UTF-7
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C99, JAVA
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Full Unicode, in terms of 'uint16_t' or 'uint32_t'
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(with machine dependent endianness and alignment)
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UCS-2-INTERNAL, UCS-4-INTERNAL
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Locale dependent, in terms of 'char' or 'wchar_t'
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(with machine dependent endianness and alignment, and with OS and
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locale dependent semantics)
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char, wchar_t
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The empty encoding name "" is equivalent to "char": it denotes the
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locale dependent character encoding.
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When configured with the option --enable-extra-encodings, it also provides
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support for a few extra encodings:
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European languages
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CP{437,737,775,852,853,855,857,858,860,861,863,865,869,1125}
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Semitic languages
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CP864
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Japanese
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EUC-JISX0213, Shift_JISX0213, ISO-2022-JP-3
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Chinese
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BIG5-2003 (experimental)
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Turkmen
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TDS565
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Platform specifics
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ATARIST, RISCOS-LATIN1
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EBCDIC compatible (not ASCII compatible, very rarely used)
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European languages
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IBM-{037,273,277,278,280,282,284,285,297,423,500,870,871,875,880},
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IBM-{905,924,1025,1026,1047,1112,1122,1123,1140,1141,1142,1143},
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IBM-{1144,1145,1146,1147,1148,1149,1153,1154,1155,1156,1157,1158},
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IBM-{1165,1166,4971}
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Semitic languages
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IBM-{424,425,12712,16804}
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Persian
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IBM-1097
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Thai
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IBM-{838,1160}
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Laotian
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IBM-1132
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Vietnamese
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IBM-{1130,1164}
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Indic languages
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IBM-1137
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It can convert from any of these encodings to any other, through Unicode
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conversion.
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It has also some limited support for transliteration, i.e. when a character
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cannot be represented in the target character set, it can be approximated
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through one or several similarly looking characters. Transliteration is
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activated when "//TRANSLIT" is appended to the target encoding name.
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libiconv is for you if your application needs to support multiple character
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encodings, but that support lacks from your system.
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Installation
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------------
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As usual for GNU packages:
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$ ./configure --prefix=[[PREFIX]] where [[PREFIX]] is e.g. $HOME/local
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$ make
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$ make install
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After installing GNU libiconv for the first time, it is recommended to
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recompile and reinstall GNU gettext, so that it can take advantage of
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libiconv.
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On systems other than GNU/Linux, the iconv program will be internationalized
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only if GNU gettext has been built and installed before GNU libiconv. This
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means that the first time GNU libiconv is installed, we have a circular
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dependency between the GNU libiconv and GNU gettext packages, which can be
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resolved by building and installing either
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- first libiconv, then gettext, then libiconv again,
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or (on systems supporting shared libraries, excluding AIX)
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- first gettext, then libiconv, then gettext again.
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Recall that before building a package for the second time, you need to erase
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the traces of the first build by running "make distclean".
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This library installs:
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- a library 'libiconv.so',
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- a header file '<iconv.h>'.
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To use it, simply #include <iconv.h> and use the functions.
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To use it in a package that uses GNU autoconf and GNU automake:
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- Use gnulib-tool to import the Gnulib module 'iconv'. It consists
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of a couple of *.m4 files (iconv.m4 and its dependencies) and a
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file 'build-aux/config.rpath'.
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- Add to the link command line of libraries and executables that use
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the functions the placeholder @LIBICONV@ (or, if using libtool for
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the link, @LTLIBICONV@). In Makefile.am files, the right place for
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these additions are the *_LDADD variables.
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Copyright
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---------
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The libiconv and libcharset _libraries_ and their header files are under LGPL,
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see file COPYING.LIB.
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The iconv _program_ and the documentation are under GPL, see file COPYING.
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Download
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--------
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https://ftp.gnu.org/gnu/libiconv/libiconv-1.17.tar.gz
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Homepage
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--------
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https://www.gnu.org/software/libiconv/
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Bug reports
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-----------
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Report bugs
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- in the bug tracker at <https://savannah.gnu.org/projects/libiconv>
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- or by email to <bug-gnu-libiconv@gnu.org>.
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Bruno Haible <bruno@clisp.org>
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