Annotation of embedaddon/coova-chilli/INSTALL, revision 1.1.1.1
1.1 misho 1: Copyright 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: 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: 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:
21: 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: 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: 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:
34: 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:
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: the `configure' script does not know about. Run `./configure --help'
72: for details on some of the pertinent environment variables.
73:
74: 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:
78: ./configure CC=c89 CFLAGS=-O2 LIBS=-lposix
79:
80: *Note Defining Variables::, for more details.
81:
82: 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: 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:
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: 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: CPU-COMPANY-SYSTEM
149:
150: 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: `config.sub' isn't included in this package, then this package doesn't
156: need to know the machine type.
157:
158: If you are _building_ compiler tools for cross-compiling, you should
159: use the `--target=TYPE' option to select the type of system they will
160: produce code for.
161:
162: 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: 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: Defining Variables
179: ==================
180:
181: 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: `configure' recognizes the following options to control how it
196: operates.
197:
198: `--help'
199: `-h'
200: Print a summary of the options to `configure', and exit.
201:
202: `--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: `--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: `configure' also accepts some other, not widely useful, options. Run
228: `configure --help' for more details.
229:
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