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PROGRAM:

NAME


icu-config - output ICU build options

SYNOPSIS


icu-config [ --bindir ] [ --cc ] [ --cflags ] [ --cppflags ] [ --cppflags-searchpath ] [
--cxx ] [ --cxxflags ] [ --detect-prefix ] [ --exec-prefix ] [ --exists ] [ --help, -?,
--usage ] [ --icudata ] [ --icudata-install-dir ] [ --icudata-mode ] [ --icudatadir ] [
--invoke ] [ --invoke=prog ] [ --ldflags ] [ --ldflags-layout ] [ --ldflags-libsonly ] [
--ldflags-searchpath ] [ --ldflags-system ] [ --ldflags-icuio ] [ --mandir ] [ --prefix ]
[ --prefix=prefix ] [ --sbindir ] [ --shared-datadir ] [ --sysconfdir ] [
--unicode-version ] [ --version ] [ --incfile ]

DESCRIPTION


icu-config simplifies the task of building and linking against ICU as compared to manually
configuring user makefiles or equivalent. Because icu-config is an executable script, it
also solves the problem of locating the ICU libraries and headers, by allowing the system
PATH to locate it.

EXAMPLES


icu-config can be used without a makefile. The command line below is sufficient for
building a single-file c++ program against ICU. (For example,
icu/source/samples/props/props.cpp)

`icu-config --cxx --cxxflags --cppflags --ldflags` -o props props.cpp

More commonly, icu-config will be called from within a makefile, and used to set up
variables. The following example also builds the props example.

CC=$(shell icu-config --cc)

CXX=$(shell icu-config --cxx)

CPPFLAGS=$(shell icu-config --cppflags)

CXXFLAGS=$(shell icu-config --cxxflags)

LDFLAGS =$(shell icu-config --ldflags)

all: props

props.o: props.cpp

make(1) will automatically use the above variables.

OPTIONS


--bindir
Prints the binary (executable) directory path. Normally equivalent to 'bin'. ICU
user-executable applications and scripts are found here.

--cc Print the C compiler used. Equivalent to the $(CC) Makefile variable.

--cflags
Print the C compiler flags. Equivalent to the $(CFLAGS) Makefile variable. Does
NOT include preprocessor directives such as include path or defined symbols.
Examples include debugging (-g) and optimization flags

--cppflags
Print the C preprocessor flags. Equivalent to the $(CPPFLAGS) Makefile variable.
Examples are -I include paths and -D define directives.

--cppflags-searchpath
Print the C preprocessor flags, as above but only -I search paths.

--cxx Print the C++ compiler. Equivalent to the $(CXX) Makefile variable.

--cxxflags
Print the C++ compiler flags. Equivalent to the $(CXXFLAGS) Makefile variable.

--detect-prefix
If ICU has been moved from its installed location, prepending this flag to other
icu-config calls will attempt to locate ICU relative to where the icu-config script
has been located. Can be used as a last-chance effort if the ICU install has been
damaged.

--exec-prefix
Print the prefix used for executable program directories (such as bin, sbin, etc).
Normally the same as the prefix.

--exists
Script will return with a successful (0) status if ICU seems to be installed and
located correctly, otherwise an error message and nonzero status will be displayed.

--help, -?,--usage
Print a help and usage message.

--icudata
Print the shortname of the ICU data file. This does not include any suffix such as
.dat, .dll, .so, .lib, .a, etc nor does it include prefixes such as 'lib'. It may
be in the form icudt21b

--icudata-install-dir
Print the directory where ICU packaged data should be installed. Can use as
pkgdata(1)'s --install option.

--icudata-mode
Print the default ICU pkgdata mode, such as dll or common. Can use as pkgdata(1)'s
--mode option.

--icudatadir
Print the path to packaged archive data. (should be where $ICU_DATA or equivalent
default path points.) Will NOT point to the libdir.

--invoke
If ICU is not installed in a location where the operating system will locate its
shared libraries, this option will print out commands so as to set the appropriate
environment variables to load ICU's shared libraries. For example, on many systems
a variable named LD_LIBRARY_PATH or equivalent must be set.

--invoke=prog
Same as the --invoke option, except includes options for invoking a program named
prog. If prog is the name of an ICU tool, such as genrb(1), then icu-config will
also include the full path to that tool.

--ldflags
Print any flags which should be passed to the linker. These may include -L for
library search paths, and -l for including ICU libraries. By default, this option
will attempt to link in the "common" (libicuuc) and "i18n" (libicui18n) libraries,
as well as the data library. If additional libraries are required, any of the
following two flags may be added in conjunction with this one, for example
"--ldflags --ldflags-icuio" if the icuio library is required in addition to the
standard ICU libraries. Equivalent to the $(LDFLAGS) Makefile variable.

--ldflags-layout
Prints the link option for the ICU layout library.

--ldflags-icuio
Prints the link option to add the ICU I/O package

--ldflags-libsonly
Similar to --ldflags but only includes the -l options.

--ldflags-searchpath
Similar to --ldflags but only includes the -L search path options.

--ldflags-system
Similar to --ldflags but only includes system libraries (such as pthreads) --mandir
Prints the location of the installed ICU man pages. Normally (man)

--prefix
Prints the prefix (base directory) under which the installed ICU resides.

--prefix=prefix
Sets the ICU prefix to prefix for the remainder of this command line. Does test
whether the new prefix is valid.

--sbindir
Prints the location of ICU system binaries, normally (sbin)

--shared-datadir
Prints the location of ICU shared data, normally (share)

--sysconfdir
Prints the location of ICU system configuration data, normally (etc)

--unicode-version
Prints the Version of the Unicode Standard which the current ICU uses.

--version
Prints the current version of ICU.

--incfile
Prints the 'Makefile.inc' path, suitable for use with pkgdata(1)'s -O option.

AUTHORS


Steven Loomis

VERSION


55.1

COPYRIGHT


Copyright (C) 2002-2004 IBM, Inc. and others.

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