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version 1.1.1.1, 2011/06/08 07:09:12	version 1.1.1.2, 2012/02/17 12:50:02
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Installation Instructions	Installation Instructions
*************************	*************************

Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005 Free	Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005,
Software Foundation, Inc.	2006, 2007, 2008, 2009 Free Software Foundation, Inc.

This file is free documentation; the Free Software Foundation gives	Copying and distribution of this file, with or without modification,
unlimited permission to copy, distribute and modify it.	are permitted in any medium without royalty provided the copyright
	notice and this notice are preserved. This file is offered as-is,
	without warranty of any kind.

Basic Installation	Basic Installation
==================	==================

These are generic installation instructions.	Briefly, the shell commands `./configure; make; make install' should
	configure, build, and install this package. The following
	more-detailed instructions are generic; see the `README' file for
	instructions specific to this package. Some packages provide this
	`INSTALL' file but do not implement all of the features documented
	below. The lack of an optional feature in a given package is not
	necessarily a bug. More recommendations for GNU packages can be found
	in *note Makefile Conventions: (standards)Makefile Conventions.

The `configure' shell script attempts to guess correct values for	The `configure' shell script attempts to guess correct values for
various system-dependent variables used during compilation. It uses	various system-dependent variables used during compilation. It uses
Line 23 debugging `configure').	Line 32 debugging `configure').

It can also use an optional file (typically called `config.cache'	It can also use an optional file (typically called `config.cache'
and enabled with `--cache-file=config.cache' or simply `-C') that saves	and enabled with `--cache-file=config.cache' or simply `-C') that saves
the results of its tests to speed up reconfiguring. (Caching is	the results of its tests to speed up reconfiguring. Caching is
disabled by default to prevent problems with accidental use of stale	disabled by default to prevent problems with accidental use of stale
cache files.)	cache files.

If you need to do unusual things to compile the package, please try	If you need to do unusual things to compile the package, please try
to figure out how `configure' could check whether to do them, and mail	to figure out how `configure' could check whether to do them, and mail
Line 35 some point `config.cache' contains results you don't w	Line 44 some point `config.cache' contains results you don't w
may remove or edit it.	may remove or edit it.

The file `configure.ac' (or `configure.in') is used to create	The file `configure.ac' (or `configure.in') is used to create
`configure' by a program called `autoconf'. You only need	`configure' by a program called `autoconf'. You need `configure.ac' if
`configure.ac' if you want to change it or regenerate `configure' using	you want to change it or regenerate `configure' using a newer version
a newer version of `autoconf'.	of `autoconf'.

The simplest way to compile this package is:	The simplest way to compile this package is:

1. `cd' to the directory containing the package's source code and type	1. `cd' to the directory containing the package's source code and type
`./configure' to configure the package for your system. If you're	`./configure' to configure the package for your system.
using `csh' on an old version of System V, you might need to type
`sh ./configure' instead to prevent `csh' from trying to execute
`configure' itself.

Running `configure' takes awhile. While running, it prints some	Running `configure' might take a while. While running, it prints
messages telling which features it is checking for.	some messages telling which features it is checking for.

2. Type `make' to compile the package.	2. Type `make' to compile the package.

3. Optionally, type `make check' to run any self-tests that come with	3. Optionally, type `make check' to run any self-tests that come with
the package.	the package, generally using the just-built uninstalled binaries.

4. Type `make install' to install the programs and any data files and	4. Type `make install' to install the programs and any data files and
documentation.	documentation. When installing into a prefix owned by root, it is
	recommended that the package be configured and built as a regular
	user, and only the `make install' phase executed with root
	privileges.

5. You can remove the program binaries and object files from the	5. Optionally, type `make installcheck' to repeat any self-tests, but
	this time using the binaries in their final installed location.
	This target does not install anything. Running this target as a
	regular user, particularly if the prior `make install' required
	root privileges, verifies that the installation completed
	correctly.

	6. You can remove the program binaries and object files from the
source code directory by typing `make clean'. To also remove the	source code directory by typing `make clean'. To also remove the
files that `configure' created (so you can compile the package for	files that `configure' created (so you can compile the package for
a different kind of computer), type `make distclean'. There is	a different kind of computer), type `make distclean'. There is
Line 67 The simplest way to compile this package is:	Line 83 The simplest way to compile this package is:
all sorts of other programs in order to regenerate files that came	all sorts of other programs in order to regenerate files that came
with the distribution.	with the distribution.

	7. Often, you can also type `make uninstall' to remove the installed
	files again. In practice, not all packages have tested that
	uninstallation works correctly, even though it is required by the
	GNU Coding Standards.

	8. Some packages, particularly those that use Automake, provide `make
	distcheck', which can by used by developers to test that all other
	targets like `make install' and `make uninstall' work correctly.
	This target is generally not run by end users.

Compilers and Options	Compilers and Options
=====================	=====================

Some systems require unusual options for compilation or linking that the	Some systems require unusual options for compilation or linking that
`configure' script does not know about. Run `./configure --help' for	the `configure' script does not know about. Run `./configure --help'
details on some of the pertinent environment variables.	for details on some of the pertinent environment variables.

You can give `configure' initial values for configuration parameters	You can give `configure' initial values for configuration parameters
by setting variables in the command line or in the environment. Here	by setting variables in the command line or in the environment. Here
is an example:	is an example:

./configure CC=c89 CFLAGS=-O2 LIBS=-lposix	./configure CC=c99 CFLAGS=-g LIBS=-lposix

*Note Defining Variables::, for more details.	*Note Defining Variables::, for more details.

Compiling For Multiple Architectures	Compiling For Multiple Architectures
====================================	====================================

You can compile the package for more than one kind of computer at the	You can compile the package for more than one kind of computer at the
same time, by placing the object files for each architecture in their	same time, by placing the object files for each architecture in their
own directory. To do this, you must use a version of `make' that	own directory. To do this, you can use GNU `make'. `cd' to the
supports the `VPATH' variable, such as GNU `make'. `cd' to the
directory where you want the object files and executables to go and run	directory where you want the object files and executables to go and run
the `configure' script. `configure' automatically checks for the	the `configure' script. `configure' automatically checks for the
source code in the directory that `configure' is in and in `..'.	source code in the directory that `configure' is in and in `..'. This
	is known as a "VPATH" build.

If you have to use a `make' that does not support the `VPATH'	With a non-GNU `make', it is safer to compile the package for one
variable, you have to compile the package for one architecture at a	architecture at a time in the source code directory. After you have
time in the source code directory. After you have installed the	installed the package for one architecture, use `make distclean' before
package for one architecture, use `make distclean' before reconfiguring	reconfiguring for another architecture.
for another architecture.

	On MacOS X 10.5 and later systems, you can create libraries and
	executables that work on multiple system types--known as "fat" or
	"universal" binaries--by specifying multiple `-arch' options to the
	compiler but only a single `-arch' option to the preprocessor. Like
	this:

	./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
	CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
	CPP="gcc -E" CXXCPP="g++ -E"

	This is not guaranteed to produce working output in all cases, you
	may have to build one architecture at a time and combine the results
	using the `lipo' tool if you have problems.

Installation Names	Installation Names
==================	==================

By default, `make install' installs the package's commands under	By default, `make install' installs the package's commands under
`/usr/local/bin', include files under `/usr/local/include', etc. You	`/usr/local/bin', include files under `/usr/local/include', etc. You
can specify an installation prefix other than `/usr/local' by giving	can specify an installation prefix other than `/usr/local' by giving
`configure' the option `--prefix=PREFIX'.	`configure' the option `--prefix=PREFIX', where PREFIX must be an
	absolute file name.

You can specify separate installation prefixes for	You can specify separate installation prefixes for
architecture-specific files and architecture-independent files. If you	architecture-specific files and architecture-independent files. If you
Line 116 Documentation and other data files still use the regul	Line 156 Documentation and other data files still use the regul
In addition, if you use an unusual directory layout you can give	In addition, if you use an unusual directory layout you can give
options like `--bindir=DIR' to specify different values for particular	options like `--bindir=DIR' to specify different values for particular
kinds of files. Run `configure --help' for a list of the directories	kinds of files. Run `configure --help' for a list of the directories
you can set and what kinds of files go in them.	you can set and what kinds of files go in them. In general, the
	default for these options is expressed in terms of `${prefix}', so that
	specifying just `--prefix' will affect all of the other directory
	specifications that were not explicitly provided.

If the package supports it, you can cause programs to be installed	The most portable way to affect installation locations is to pass the
with an extra prefix or suffix on their names by giving `configure' the	correct locations to `configure'; however, many packages provide one or
option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.	both of the following shortcuts of passing variable assignments to the
	`make install' command line to change installation locations without
	having to reconfigure or recompile.

	The first method involves providing an override variable for each
	affected directory. For example, `make install
	prefix=/alternate/directory' will choose an alternate location for all
	directory configuration variables that were expressed in terms of
	`${prefix}'. Any directories that were specified during `configure',
	but not in terms of `${prefix}', must each be overridden at install
	time for the entire installation to be relocated. The approach of
	makefile variable overrides for each directory variable is required by
	the GNU Coding Standards, and ideally causes no recompilation.
	However, some platforms have known limitations with the semantics of
	shared libraries that end up requiring recompilation when using this
	method, particularly noticeable in packages that use GNU Libtool.

	The second method involves providing the `DESTDIR' variable. For
	example, `make install DESTDIR=/alternate/directory' will prepend
	`/alternate/directory' before all installation names. The approach of
	`DESTDIR' overrides is not required by the GNU Coding Standards, and
	does not work on platforms that have drive letters. On the other hand,
	it does better at avoiding recompilation issues, and works well even
	when some directory options were not specified in terms of `${prefix}'
	at `configure' time.

Optional Features	Optional Features
=================	=================

Some packages pay attention to `--enable-FEATURE' options to	If the package supports it, you can cause programs to be installed
	with an extra prefix or suffix on their names by giving `configure' the
	option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.

	Some packages pay attention to `--enable-FEATURE' options to
`configure', where FEATURE indicates an optional part of the package.	`configure', where FEATURE indicates an optional part of the package.
They may also pay attention to `--with-PACKAGE' options, where PACKAGE	They may also pay attention to `--with-PACKAGE' options, where PACKAGE
is something like `gnu-as' or `x' (for the X Window System). The	is something like `gnu-as' or `x' (for the X Window System). The
Line 137 find the X include and library files automatically, bu	Line 208 find the X include and library files automatically, bu
you can use the `configure' options `--x-includes=DIR' and	you can use the `configure' options `--x-includes=DIR' and
`--x-libraries=DIR' to specify their locations.	`--x-libraries=DIR' to specify their locations.

	Some packages offer the ability to configure how verbose the
	execution of `make' will be. For these packages, running `./configure
	--enable-silent-rules' sets the default to minimal output, which can be
	overridden with `make V=1'; while running `./configure
	--disable-silent-rules' sets the default to verbose, which can be
	overridden with `make V=0'.

	Particular systems
	==================

	On HP-UX, the default C compiler is not ANSI C compatible. If GNU
	CC is not installed, it is recommended to use the following options in
	order to use an ANSI C compiler:

	./configure CC="cc -Ae -D_XOPEN_SOURCE=500"

	and if that doesn't work, install pre-built binaries of GCC for HP-UX.

	On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
	parse its `<wchar.h>' header file. The option `-nodtk' can be used as
	a workaround. If GNU CC is not installed, it is therefore recommended
	to try

	./configure CC="cc"

	and if that doesn't work, try

	./configure CC="cc -nodtk"

	On Solaris, don't put `/usr/ucb' early in your `PATH'. This
	directory contains several dysfunctional programs; working variants of
	these programs are available in `/usr/bin'. So, if you need `/usr/ucb'
	in your `PATH', put it _after_ `/usr/bin'.

	On Haiku, software installed for all users goes in `/boot/common',
	not `/usr/local'. It is recommended to use the following options:

	./configure --prefix=/boot/common

Specifying the System Type	Specifying the System Type
==========================	==========================

There may be some features `configure' cannot figure out automatically,	There may be some features `configure' cannot figure out
but needs to determine by the type of machine the package will run on.	automatically, but needs to determine by the type of machine the package
Usually, assuming the package is built to be run on the _same_	will run on. Usually, assuming the package is built to be run on the
architectures, `configure' can figure that out, but if it prints a	_same_ architectures, `configure' can figure that out, but if it prints
message saying it cannot guess the machine type, give it the	a message saying it cannot guess the machine type, give it the
`--build=TYPE' option. TYPE can either be a short name for the system	`--build=TYPE' option. TYPE can either be a short name for the system
type, such as `sun4', or a canonical name which has the form:	type, such as `sun4', or a canonical name which has the form:

Line 152 type, such as `sun4', or a canonical name which has th	Line 262 type, such as `sun4', or a canonical name which has th

where SYSTEM can have one of these forms:	where SYSTEM can have one of these forms:

OS KERNEL-OS	OS
	KERNEL-OS

See the file `config.sub' for the possible values of each field. If	See the file `config.sub' for the possible values of each field. If
`config.sub' isn't included in this package, then this package doesn't	`config.sub' isn't included in this package, then this package doesn't
Line 170 eventually be run) with `--host=TYPE'.	Line 281 eventually be run) with `--host=TYPE'.
Sharing Defaults	Sharing Defaults
================	================

If you want to set default values for `configure' scripts to share, you	If you want to set default values for `configure' scripts to share,
can create a site shell script called `config.site' that gives default	you can create a site shell script called `config.site' that gives
values for variables like `CC', `cache_file', and `prefix'.	default values for variables like `CC', `cache_file', and `prefix'.
`configure' looks for `PREFIX/share/config.site' if it exists, then	`configure' looks for `PREFIX/share/config.site' if it exists, then
`PREFIX/etc/config.site' if it exists. Or, you can set the	`PREFIX/etc/config.site' if it exists. Or, you can set the
`CONFIG_SITE' environment variable to the location of the site script.	`CONFIG_SITE' environment variable to the location of the site script.
Line 181 A warning: not all `configure' scripts look for a site	Line 292 A warning: not all `configure' scripts look for a site
Defining Variables	Defining Variables
==================	==================

Variables not defined in a site shell script can be set in the	Variables not defined in a site shell script can be set in the
environment passed to `configure'. However, some packages may run	environment passed to `configure'. However, some packages may run
configure again during the build, and the customized values of these	configure again during the build, and the customized values of these
variables may be lost. In order to avoid this problem, you should set	variables may be lost. In order to avoid this problem, you should set
Line 190 them in the `configure' command line, using `VAR=value	Line 301 them in the `configure' command line, using `VAR=value
./configure CC=/usr/local2/bin/gcc	./configure CC=/usr/local2/bin/gcc

causes the specified `gcc' to be used as the C compiler (unless it is	causes the specified `gcc' to be used as the C compiler (unless it is
overridden in the site shell script). Here is a another example:	overridden in the site shell script).

/bin/bash ./configure CONFIG_SHELL=/bin/bash	Unfortunately, this technique does not work for `CONFIG_SHELL' due to
	an Autoconf bug. Until the bug is fixed you can use this workaround:

Here the `CONFIG_SHELL=/bin/bash' operand causes subsequent	CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash
configuration-related scripts to be executed by `/bin/bash'.

`configure' Invocation	`configure' Invocation
======================	======================

`configure' recognizes the following options to control how it operates.	`configure' recognizes the following options to control how it
	operates.

`--help'	`--help'
`-h'	`-h'
Print a summary of the options to `configure', and exit.	Print a summary of all of the options to `configure', and exit.

	`--help=short'
	`--help=recursive'
	Print a summary of the options unique to this package's
	`configure', and exit. The `short' variant lists options used
	only in the top level, while the `recursive' variant lists options
	also present in any nested packages.

`--version'	`--version'
`-V'	`-V'
Print the version of Autoconf used to generate the `configure'	Print the version of Autoconf used to generate the `configure'
Line 230 configuration-related scripts to be executed by `/bin/	Line 349 configuration-related scripts to be executed by `/bin/
`--srcdir=DIR'	`--srcdir=DIR'
Look for the package's source code in directory DIR. Usually	Look for the package's source code in directory DIR. Usually
`configure' can determine that directory automatically.	`configure' can determine that directory automatically.

	`--prefix=DIR'
	Use DIR as the installation prefix. *note Installation Names::
	for more details, including other options available for fine-tuning
	the installation locations.

	`--no-create'
	`-n'
	Run the configure checks, but stop before creating any output
	files.

`configure' also accepts some other, not widely useful, options. Run	`configure' also accepts some other, not widely useful, options. Run
`configure --help' for more details.	`configure --help' for more details.

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