112 lines
3.8 KiB
Plaintext
112 lines
3.8 KiB
Plaintext
ICU is packaged into a number of small, interdependent packages. This
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file describes what these packages are, what their name should be
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like, and what their contents are. It is useful as a reference and a
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guide when packaging ICU on a new system.
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+ List of ICU packages.
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ICU is distributed as the following packages:
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- ICU libraries. This package contains the runtime libraries needed by
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applications that use ICU. All the other packages require this package
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to be installed.
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- ICU. This package contains the converters data, the timezones data,
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and all the ICU tools.
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- ICU locales. This package adds locales and break data.
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- ICU development. This package contains the files necessary to build
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applications that use ICU, i.e. header files, links to shared
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libraries used by the linker, static libraries, etc... It also
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contains sample applications and documentation.
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- ICU docs. This package contains further documentation for ICU,
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including a complete API reference.
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- ICU data. This package contains the source for the compiled data
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contained by the ICU package.
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- ICU international data. This package contains the source for the
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compiled data contained by the ICU locales package.
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In this file, we will refer to Autoconf variables as in $(bindir). In
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addition to these, we will use the following variables to denote
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ICU-specific directories or information:
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VERSION ICU's dotted version number, e.g. 1.6.0.1 as of this
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writing.
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ICUDATADIR The directory where ICU data are. This is defined as
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$(datadir)/icu/$(VERSION).
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ICUSYSCONFDIR The directory where ICU configuration files are. This
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is defined as $(sysconfdir)/icu.
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When referring to libraries, .so will be used to denote the extension
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of a shared library, and .a to denote the extension of a static
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library. These extensions will actually be different on some platforms.
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+ Configuration and compilation of ICU
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ICU should be configured with the following options:
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--with-data-packaging=files
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--disable-rpath
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--enable-shared
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--enable-static
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--without-samples
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in addition to platform-specific settings (like a specific mandir or
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sysconfdir).
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The configure script invokation should also be done with
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CFLAGS="-O2"
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set, as in:
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$ CFLAGS="-O2" ./configure ...
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The files packaging mode is chosen because it offers the maximum
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flexibility. Packages can be split easily, and system administrators
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can add converters, aliases, and other resources with little
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effort.
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+ The ICU libraries package
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The ICU libraries package is typically named `libicuXX' where XX is
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the major number of ICU's libraries. This number is ICU's version
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number multiplied by 10 and rounded down to the nearest integer (it is
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also the value of the LIB_VERSION_MAJOR configure substitution
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variable). For example, for ICU 1.6.0.1, it is 16, so the package name
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is `libicu16'. The major version is part of the package name to allow
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for the simultaneous installation of different ICU releases.
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This package contains:
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- All the shared libraries, and their major number symbolic link, but
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not the .so symbolic link that is only used at link time (this one is
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part of the development package).
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+ The ICU package
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The ICU package is simply named `icu'. It provides data used by the ICU
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libraries package and commands to create and manipulate that data.
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This package contains:
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- The Unicode data files (uprops.dat and unames.dat as of this writing).
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- The time zones data files (tz.dat).
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- All the binary data files for converters (.cnv files).
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- All the ICU commands.
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- The manual pages for ICU commands and file formats.
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+ The ICU locales package
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The ICU locales package is named `icu-locales'. It provides data used by
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internationalization support in ICU.
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- This package contains:
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- All the data for locales in ICU (.dat files).
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- All the break data for specific locales (.brk files).
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+ More to be written...
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----
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Yves Arrouye <yves@realnames.com>
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