ICU-63.1

#### Beyond Linux® From Scratch - Version 2019-02-27

### Chapter 9. General Libraries

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# ICU-63.1

## Introduction to ICU

The International Components for Unicode (ICU) package is a mature, widely used set of C/C++ libraries providing Unicode and Globalization support for software applications. ICU is widely portable and gives applications the same results on all platforms.

This package is known to build and work properly using an LFS-8.4 platform.

### Package Information

- Download (HTTP): http://download.icu-project.org/files/icu4c/63.1/icu4c-63_1-src.tgz

- Download MD5 sum: 9e40f6055294284df958200e308bce50

- Download size: 23 MB

- Estimated disk space required: 297 MB (add 35 MB for tests)

- Estimated build time: 0.5 SBU (add 1.6 SBU for tests)

### ICU Dependencies

#### Optional

LLVM-7.0.1 (with Clang), and Doxygen-1.8.15 (for documentation)

User Notes: http://wiki.linuxfromscratch.org/blfs/wiki/icu

## Installation of ICU

### Note

If clang++ is available, it will be used in the mistaken belief that g++ might not support C++11, even though configure has tested for that. If using g++ there will be an unnecessary warning at the end of configure. Building with g++ also takes longer than the estimated SBU shown.

Install ICU by running the following commands:

    cd source                                    &&

    ./configure --prefix=/usr                    &&
    make

To test the results, issue: make check.

Now, as the `root` user:

    make install

## Contents

Installed Programs: derb, escapesrc, genbrk, genccode, gencfu, gencmn, gencnval, gendict, gennorm2, genrb, gensprep, icu-config, icuinfo, icupkg, makeconv, pkgdata, and uconv
Installed Libraries: libicudata.so, libicui18n.so, libicuio.so, libicutest.so, libicutu.so, and libicuuc.so
Installed Directories: /usr/include/unicode, /usr/lib/icu, and /usr/share/icu

### Short Descriptions

derb | disassembles a resource bundle.
escapesrc | converts “\u” escaped characters into unicode characters.
genbrk | compiles ICU break iteration rules source files into binary data files.
genccode | generates C or platform specific assembly code from an ICU data file.
gencfu | reads in Unicode confusable character definitions and writes out the binary data.
gencmn | generates an ICU memory-mappable data file.
gencnval | compiles the converter's aliases file.
gendict | compiles word lists into ICU string trie dictionaries.
gennorm2 | builds binary data files with Unicode normalization data.
genrb | compiles a resource bundle.
gensprep | compiles StringPrep data from filtered RFC 3454 files.
icu-config | outputs ICU build options.
icuinfo | outputs configuration information about the current ICU.
icupkg | extracts or modifies an ICU .dat archive.
makeconv | compiles a converter table.
pkgdata | packages data for use by ICU.
uconv | converts data from one encoding to another.
`libicudata.so` | is the data library.
`libicui18n.so` | is the internationalization (i18n) library.
`libicuio.so` | is the ICU I/O (unicode stdio) library.
`libicutest.so` | is the test library.
`libicutu.so` | is the tool utility library.
`libicuuc.so` | is the common library.

Last updated on 2019-02-15 15:01:29 -0600

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