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INSTALL.en
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Installation of coconet
============================
Copyright (C) 2011 coconet project (ses AUTHORS.en)
This file is free documentation; the coconet project gives unlimited
permission to copy, distribute and modify it.
This document explains all the steps needed to install coconet. The
document is structdured in three main sections:
1.- Installation Requirements: In this section we will describe the
hardware and software requirements for the installation of this
application.
2.- Installation Process: This section explains all the steps needed
to install the application successfully.
3.- First steps: This section shows some initial examples to start to
use the application.
Installation Requirements
===========================
Installation Process
======================
*) Basic Installation
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' installs the package's commands under
`/usr/local/bin', include files under `/usr/local/include', etc. You
can specify an installation prefix other than `/usr/local' by giving
`configure' the option `--prefix=PREFIX'.
You can specify separate installation prefixes for
architecture-specific files and architecture-independent files. If
you pass the option `--exec-prefix=PREFIX' to `configure', the
package uses PREFIX as the prefix for installing programs and
libraries. Documentation and other data files still use the
regular prefix.
In addition, if you use an unusual directory layout you can give
options like `--bindir=DIR' 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 option `--target=TYPE' 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
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:
/bin/bash ./configure CONFIG_SHELL=/bin/bash
Here the `CONFIG_SHELL=/bin/bash' operand causes subsequent
configuration-related scripts to be executed by `/bin/bash'.
*) `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.
First steps
==============