Annotation of /psiconv/trunk/INSTALL

Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002 Free Software
Foundation, Inc.

   This file is free documentation; the Free Software Foundation gives
unlimited permission to copy, distribute and modify it.

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

   These are generic installation instructions.

   The `configure' shell script attempts to guess correct values for
various system-dependent variables used during compilation.  It uses
those values to create a `Makefile' in each directory of the package.
It may also create one or more `.h' files containing system-dependent
definitions.  Finally, it creates a shell script `config.status' that
you can run in the future to recreate the current configuration, and a
file `config.log' containing compiler output (useful mainly for
debugging `configure').

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

   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
diffs or instructions to the address given in the `README' so they can
be considered for the next release.  If you are using the cache, and at
some point `config.cache' contains results you don't want to keep, you
may remove or edit it.

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

The simplest way to compile this package is:

  1. `cd' to the directory containing the package's source code and type
     `./configure' to configure the package for your system.  If you're
     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
     messages telling which features it is checking for.

  2. Type `make' to compile the package.

  3. Optionally, type `make check' to run any self-tests that come with
     the package.

  4. Type `make install' to install the programs and any data files and
     documentation.

  5. You can remove the program binaries and object files from the
     source code directory by typing `make clean'.  To also remove the
     files that `configure' created (so you can compile the package for
     a different kind of computer), type `make distclean'.  There is
     also a `make maintainer-clean' target, but that is intended mainly
     for the package's developers.  If you use it, you may have to get
     all sorts of other programs in order to regenerate files that came
     with the distribution.

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

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

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

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

   *Note Defining Variables::, for more details.

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

   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
own directory.  To do this, you must use a version of `make' that
supports the `VPATH' variable, such as GNU `make'.  `cd' to the
directory where you want the object files and executables to go and run
the `configure' script.  `configure' automatically checks for the
source code in the directory that `configure' is in and in `..'.

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

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

   By default, `make install' will install the package's files in
`/usr/local/bin', `/usr/local/man', etc.  You can specify an
installation prefix other than `/usr/local' by giving `configure' the
option `--prefix=PATH'.

   You can specify separate installation prefixes for
architecture-specific files and architecture-independent files.  If you
give `configure' the option `--exec-prefix=PATH', the package will use
PATH as the prefix for installing programs and libraries.
Documentation and other data files will still use the regular prefix.

   In addition, if you use an unusual directory layout you can give
options like `--bindir=PATH' to specify different values for particular
kinds of files.  Run `configure --help' for a list of the directories
you can set and what kinds of files go in them.

   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'.

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

   Some packages pay attention to `--enable-FEATURE' options to
`configure', where FEATURE indicates an optional part of the 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
`README' should mention any `--enable-' and `--with-' options that the
package recognizes.

   For packages that use the X Window System, `configure' can usually
find the X include and library files automatically, but if it doesn't,
you can use the `configure' options `--x-includes=DIR' and
`--x-libraries=DIR' to specify their locations.

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

   There may be some features `configure' cannot figure out
automatically, but needs to determine by the type of machine the package
will run on.  Usually, assuming the package is built to be run on the
_same_ architectures, `configure' can figure that out, but if it prints
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
type, such as `sun4', or a canonical name which has the form:

     CPU-COMPANY-SYSTEM

where SYSTEM can have one of these forms:

     OS KERNEL-OS

   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
need to know the machine type.

   If you are _building_ compiler tools for cross-compiling, you should
use the `--target=TYPE' option to select the type of system they will
produce code for.

   If you want to _use_ a cross compiler, that generates code for a
platform different from the build platform, you should specify the
"host" platform (i.e., that on which the generated programs will
eventually be run) with `--host=TYPE'.

Sharing Defaults
================

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

Defining Variables
==================

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

     ./configure CC=/usr/local2/bin/gcc

will cause the specified gcc to be used as the C compiler (unless it is
overridden in the site shell script).

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

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

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

`--version'
`-V'
     Print the version of Autoconf used to generate the `configure'
     script, and exit.

`--cache-file=FILE'
     Enable the cache: use and save the results of the tests in FILE,
     traditionally `config.cache'.  FILE defaults to `/dev/null' to
     disable caching.

`--config-cache'
`-C'
     Alias for `--cache-file=config.cache'.

`--quiet'
`--silent'
`-q'
     Do not print messages saying which checks are being made.  To
     suppress all normal output, redirect it to `/dev/null' (any error
     messages will still be shown).

`--srcdir=DIR'
     Look for the package's source code in directory DIR.  Usually
     `configure' can determine that directory automatically.

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

1	frodo	154	Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002 Free Software
2			Foundation, Inc.
3
4			This file is free documentation; the Free Software Foundation gives
5			unlimited permission to copy, distribute and modify it.
6
7	frodo	2	Basic Installation
8			==================
9
10			These are generic installation instructions.
11
12			The `configure' shell script attempts to guess correct values for
13			various system-dependent variables used during compilation. It uses
14			those values to create a `Makefile' in each directory of the package.
15			It may also create one or more `.h' files containing system-dependent
16			definitions. Finally, it creates a shell script `config.status' that
17	frodo	154	you can run in the future to recreate the current configuration, and a
18			file `config.log' containing compiler output (useful mainly for
19			debugging `configure').
20	frodo	2
21	frodo	154	It can also use an optional file (typically called `config.cache'
22			and enabled with `--cache-file=config.cache' or simply `-C') that saves
23			the results of its tests to speed up reconfiguring. (Caching is
24			disabled by default to prevent problems with accidental use of stale
25			cache files.)
26
27	frodo	2	If you need to do unusual things to compile the package, please try
28			to figure out how `configure' could check whether to do them, and mail
29			diffs or instructions to the address given in the `README' so they can
30	frodo	154	be considered for the next release. If you are using the cache, and at
31			some point `config.cache' contains results you don't want to keep, you
32			may remove or edit it.
33	frodo	2
34	frodo	154	The file `configure.ac' (or `configure.in') is used to create
35			`configure' by a program called `autoconf'. You only need
36			`configure.ac' if you want to change it or regenerate `configure' using
37			a newer version of `autoconf'.
38	frodo	2
39			The simplest way to compile this package is:
40
41			1. `cd' to the directory containing the package's source code and type
42			`./configure' to configure the package for your system. If you're
43			using `csh' on an old version of System V, you might need to type
44			`sh ./configure' instead to prevent `csh' from trying to execute
45			`configure' itself.
46
47			Running `configure' takes awhile. While running, it prints some
48			messages telling which features it is checking for.
49
50			2. Type `make' to compile the package.
51
52			3. Optionally, type `make check' to run any self-tests that come with
53			the package.
54
55			4. Type `make install' to install the programs and any data files and
56			documentation.
57
58			5. You can remove the program binaries and object files from the
59			source code directory by typing `make clean'. To also remove the
60			files that `configure' created (so you can compile the package for
61			a different kind of computer), type `make distclean'. There is
62			also a `make maintainer-clean' target, but that is intended mainly
63			for the package's developers. If you use it, you may have to get
64			all sorts of other programs in order to regenerate files that came
65			with the distribution.
66
67			Compilers and Options
68			=====================
69
70			Some systems require unusual options for compilation or linking that
71	frodo	154	the `configure' script does not know about. Run `./configure --help'
72			for details on some of the pertinent environment variables.
73	frodo	2
74	frodo	154	You can give `configure' initial values for configuration parameters
75			by setting variables in the command line or in the environment. Here
76			is an example:
77	frodo	2
78	frodo	154	./configure CC=c89 CFLAGS=-O2 LIBS=-lposix
79
80			*Note Defining Variables::, for more details.
81
82	frodo	2	Compiling For Multiple Architectures
83			====================================
84
85			You can compile the package for more than one kind of computer at the
86			same time, by placing the object files for each architecture in their
87			own directory. To do this, you must use a version of `make' that
88			supports the `VPATH' variable, such as GNU `make'. `cd' to the
89			directory where you want the object files and executables to go and run
90			the `configure' script. `configure' automatically checks for the
91			source code in the directory that `configure' is in and in `..'.
92
93	frodo	154	If you have to use a `make' that does not support the `VPATH'
94			variable, you have to compile the package for one architecture at a
95			time in the source code directory. After you have installed the
96			package for one architecture, use `make distclean' before reconfiguring
97			for another architecture.
98	frodo	2
99			Installation Names
100			==================
101
102			By default, `make install' will install the package's files in
103			`/usr/local/bin', `/usr/local/man', etc. You can specify an
104			installation prefix other than `/usr/local' by giving `configure' the
105			option `--prefix=PATH'.
106
107			You can specify separate installation prefixes for
108			architecture-specific files and architecture-independent files. If you
109			give `configure' the option `--exec-prefix=PATH', the package will use
110			PATH as the prefix for installing programs and libraries.
111			Documentation and other data files will still use the regular prefix.
112
113			In addition, if you use an unusual directory layout you can give
114			options like `--bindir=PATH' to specify different values for particular
115			kinds of files. Run `configure --help' for a list of the directories
116			you can set and what kinds of files go in them.
117
118			If the package supports it, you can cause programs to be installed
119			with an extra prefix or suffix on their names by giving `configure' the
120			option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
121
122			Optional Features
123			=================
124
125			Some packages pay attention to `--enable-FEATURE' options to
126			`configure', where FEATURE indicates an optional part of the package.
127			They may also pay attention to `--with-PACKAGE' options, where PACKAGE
128			is something like `gnu-as' or `x' (for the X Window System). The
129			`README' should mention any `--enable-' and `--with-' options that the
130			package recognizes.
131
132			For packages that use the X Window System, `configure' can usually
133			find the X include and library files automatically, but if it doesn't,
134			you can use the `configure' options `--x-includes=DIR' and
135			`--x-libraries=DIR' to specify their locations.
136
137			Specifying the System Type
138			==========================
139
140	frodo	154	There may be some features `configure' cannot figure out
141			automatically, but needs to determine by the type of machine the package
142			will run on. Usually, assuming the package is built to be run on the
143			_same_ architectures, `configure' can figure that out, but if it prints
144			a message saying it cannot guess the machine type, give it the
145			`--build=TYPE' option. TYPE can either be a short name for the system
146			type, such as `sun4', or a canonical name which has the form:
147
148	frodo	2	CPU-COMPANY-SYSTEM
149
150	frodo	154	where SYSTEM can have one of these forms:
151
152			OS KERNEL-OS
153
154			See the file `config.sub' for the possible values of each field. If
155	frodo	2	`config.sub' isn't included in this package, then this package doesn't
156	frodo	154	need to know the machine type.
157	frodo	2
158	frodo	154	If you are _building_ compiler tools for cross-compiling, you should
159	frodo	2	use the `--target=TYPE' option to select the type of system they will
160	frodo	154	produce code for.
161	frodo	2
162	frodo	154	If you want to _use_ a cross compiler, that generates code for a
163			platform different from the build platform, you should specify the
164			"host" platform (i.e., that on which the generated programs will
165			eventually be run) with `--host=TYPE'.
166
167	frodo	2	Sharing Defaults
168			================
169
170			If you want to set default values for `configure' scripts to share,
171			you can create a site shell script called `config.site' that gives
172			default values for variables like `CC', `cache_file', and `prefix'.
173			`configure' looks for `PREFIX/share/config.site' if it exists, then
174			`PREFIX/etc/config.site' if it exists. Or, you can set the
175			`CONFIG_SITE' environment variable to the location of the site script.
176			A warning: not all `configure' scripts look for a site script.
177
178	frodo	154	Defining Variables
179	frodo	2	==================
180
181	frodo	154	Variables not defined in a site shell script can be set in the
182			environment passed to `configure'. However, some packages may run
183			configure again during the build, and the customized values of these
184			variables may be lost. In order to avoid this problem, you should set
185			them in the `configure' command line, using `VAR=value'. For example:
186
187			./configure CC=/usr/local2/bin/gcc
188
189			will cause the specified gcc to be used as the C compiler (unless it is
190			overridden in the site shell script).
191
192			`configure' Invocation
193			======================
194
195	frodo	2	`configure' recognizes the following options to control how it
196			operates.
197
198			`--help'
199	frodo	154	`-h'
200	frodo	2	Print a summary of the options to `configure', and exit.
201
202	frodo	154	`--version'
203			`-V'
204			Print the version of Autoconf used to generate the `configure'
205			script, and exit.
206
207			`--cache-file=FILE'
208			Enable the cache: use and save the results of the tests in FILE,
209			traditionally `config.cache'. FILE defaults to `/dev/null' to
210			disable caching.
211
212			`--config-cache'
213			`-C'
214			Alias for `--cache-file=config.cache'.
215
216	frodo	2	`--quiet'
217			`--silent'
218			`-q'
219			Do not print messages saying which checks are being made. To
220			suppress all normal output, redirect it to `/dev/null' (any error
221			messages will still be shown).
222
223			`--srcdir=DIR'
224			Look for the package's source code in directory DIR. Usually
225			`configure' can determine that directory automatically.
226
227	frodo	154	`configure' also accepts some other, not widely useful, options. Run
228			`configure --help' for more details.
229	frodo	2
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