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CentOS 7.0 - man page for icu-config (centos section 1)

ICU-CONFIG(1)					  ICU 50.1.2 Manual					ICU-CONFIG(1)

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 ] [ --icud- ata-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 ] [ --uni- code-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 preproces- sor directives such as include path or defined symbols. Examples include debugging (-g) and optimiza- tion 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
50.1.2
COPYRIGHT
Copyright (C) 2002-2004 IBM, Inc. and others.
ICU MANPAGE
17 May 2004 ICU-CONFIG(1)
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