INSTALL
资源名称:fmradio.zip [点击查看]
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上传日期:2014-08-27
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驱动编程
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Unix_Linux
- 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.