Index: third_party/libusb/INSTALL |
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-Installation Instructions |
-************************* |
- |
-Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, |
-2006 Free Software Foundation, Inc. |
- |
-This file is free documentation; the Free Software Foundation gives |
-unlimited permission to copy, distribute and modify it. |
- |
-Basic Installation |
-================== |
- |
-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. |
- |
- 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 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. |
- |
- Running `configure' might take a while. 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=c99 CFLAGS=-g 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 can use 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 `..'. |
- |
- With a non-GNU `make', it is safer 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). |
- |
-Unfortunately, this technique does not work for `CONFIG_SHELL' due to |
-an Autoconf bug. Until the bug is fixed you can use this workaround: |
- |
- CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/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. |
- |