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							163 lines
						
					
					
						
							6.7 KiB
						
					
					
				| 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, a file | |
| `config.cache' that saves the results of its tests to speed up | |
| reconfiguring, and a file `config.log' containing compiler output | |
| (useful mainly for debugging `configure'). | |
| 
 | |
|    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 documentation so they | |
| can be considered for the next release.  If at some point `config.cache' | |
| contains results you don't want to keep, you may remove or edit it. | |
| 
 | |
|    The file `configure.in' is used to create `configure' by a program | |
| called `autoconf'.  You only need `configure.in' 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 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.  You can give `configure' | |
| initial values for variables by setting them in the environment.  Using | |
| a Bourne-compatible shell, you can do that on the command line like | |
| this: | |
|      CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure | |
| 
 | |
| Or on systems that have the `env' program, you can do it like this: | |
|      env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure | |
| 
 | |
| 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, `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 `..'. | |
| 
 | |
| 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. | |
| 
 | |
|    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'. | |
| 
 | |
| Specifying the System Type | |
| ========================== | |
| 
 | |
|    There may be some features `configure' can not figure out | |
| automatically, but needs to determine by the type of host the package | |
| will run on.  Usually `configure' can figure that out, but if it prints | |
| a message saying it can not guess the host type, give it the | |
| `--host=TYPE' option.  TYPE can either be a short name for the system | |
| type, such as `sun4', or a canonical name with three fields: | |
|      CPU-COMPANY-SYSTEM | |
| 
 | |
| 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 host type. | |
| 
 | |
|    If you are building compiler tools for cross-compiling, you can also | |
| use the `--target=TYPE' option to select the type of system they will | |
| produce code for and the `--build=TYPE' option to select the type of | |
| system on which you are compiling the package. | |
| 
 | |
| 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. | |
| 
 | |
| Operation Controls | |
| ================== | |
| 
 | |
|    `configure' recognizes the following options to control how it | |
| operates. | |
| 
 | |
| `--cache-file=FILE' | |
|      Use and save the results of the tests in FILE instead of | |
|      `./config.cache'.  Set FILE to `/dev/null' to disable caching, for | |
|      debugging `configure'. | |
| 
 | |
| `--help' | |
|      Print a summary of the options to `configure', and exit. | |
| 
 | |
| `--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. | |
| 
 | |
| `--version' | |
|      Print the version of Autoconf used to generate the `configure' | |
|      script, and exit. | |
| 
 | |
| `--with-gmp' | |
| `--without-gmp' | |
|      CLN may be build upon GNU gmp (version 3 or above), recommended for  | |
|      maximum performance.  CLN will not work together with GNU gmp 2. | |
|      The default is to use gmp.  If you encounter problems relating to gmp,  | |
|      try configuring without gmp. | |
| 
 | |
| `configure' also accepts some other, not widely useful, options. | |
| 
 |