Vreixo Formoso
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Vreixo Formoso <metalpain2002@yahoo.es>, |
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Mario Danic <mario.danic@gmail.com>, |
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Thomas Schmitt <scdbackup@gmx.net> |
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Copyright (C) 2007 Vreixo Formoso, Mario Danic, Thomas Schmitt |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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Installation Instructions |
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************************* |
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Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, |
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2006 Free Software Foundation, Inc. |
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This file is free documentation; the Free Software Foundation gives |
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unlimited permission to copy, distribute and modify it. |
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Basic Installation |
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================== |
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Briefly, the shell commands `./configure; make; make install' should |
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configure, build, and install this package. The following |
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more-detailed instructions are generic; see the `README' file for |
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instructions specific to this package. |
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The `configure' shell script attempts to guess correct values for |
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various system-dependent variables used during compilation. It uses |
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those values to create a `Makefile' in each directory of the package. |
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It may also create one or more `.h' files containing system-dependent |
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definitions. Finally, it creates a shell script `config.status' that |
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you can run in the future to recreate the current configuration, and a |
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file `config.log' containing compiler output (useful mainly for |
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debugging `configure'). |
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It can also use an optional file (typically called `config.cache' |
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and enabled with `--cache-file=config.cache' or simply `-C') that saves |
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the results of its tests to speed up reconfiguring. Caching is |
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disabled by default to prevent problems with accidental use of stale |
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cache files. |
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If you need to do unusual things to compile the package, please try |
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to figure out how `configure' could check whether to do them, and mail |
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diffs or instructions to the address given in the `README' so they can |
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be considered for the next release. If you are using the cache, and at |
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some point `config.cache' contains results you don't want to keep, you |
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may remove or edit it. |
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The file `configure.ac' (or `configure.in') is used to create |
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`configure' by a program called `autoconf'. You need `configure.ac' if |
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you want to change it or regenerate `configure' using a newer version |
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of `autoconf'. |
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The simplest way to compile this package is: |
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1. `cd' to the directory containing the package's source code and type |
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`./configure' to configure the package for your system. |
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Running `configure' might take a while. While running, it prints |
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some messages telling which features it is checking for. |
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2. Type `make' to compile the package. |
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3. Optionally, type `make check' to run any self-tests that come with |
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the package. |
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4. Type `make install' to install the programs and any data files and |
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documentation. |
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5. You can remove the program binaries and object files from the |
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source code directory by typing `make clean'. To also remove the |
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files that `configure' created (so you can compile the package for |
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a different kind of computer), type `make distclean'. There is |
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also a `make maintainer-clean' target, but that is intended mainly |
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for the package's developers. If you use it, you may have to get |
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all sorts of other programs in order to regenerate files that came |
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with the distribution. |
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Compilers and Options |
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===================== |
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Some systems require unusual options for compilation or linking that the |
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`configure' script does not know about. Run `./configure --help' for |
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details on some of the pertinent environment variables. |
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You can give `configure' initial values for configuration parameters |
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by setting variables in the command line or in the environment. Here |
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is an example: |
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./configure CC=c99 CFLAGS=-g LIBS=-lposix |
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*Note Defining Variables::, for more details. |
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Compiling For Multiple Architectures |
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==================================== |
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You can compile the package for more than one kind of computer at the |
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same time, by placing the object files for each architecture in their |
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own directory. To do this, you can use GNU `make'. `cd' to the |
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directory where you want the object files and executables to go and run |
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the `configure' script. `configure' automatically checks for the |
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source code in the directory that `configure' is in and in `..'. |
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With a non-GNU `make', it is safer to compile the package for one |
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architecture at a time in the source code directory. After you have |
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installed the package for one architecture, use `make distclean' before |
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reconfiguring for another architecture. |
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Installation Names |
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================== |
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By default, `make install' installs the package's commands under |
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`/usr/local/bin', include files under `/usr/local/include', etc. You |
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can specify an installation prefix other than `/usr/local' by giving |
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`configure' the option `--prefix=PREFIX'. |
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You can specify separate installation prefixes for |
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architecture-specific files and architecture-independent files. If you |
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pass the option `--exec-prefix=PREFIX' to `configure', the package uses |
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PREFIX as the prefix for installing programs and libraries. |
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Documentation and other data files still use the regular prefix. |
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In addition, if you use an unusual directory layout you can give |
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options like `--bindir=DIR' to specify different values for particular |
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kinds of files. Run `configure --help' for a list of the directories |
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you can set and what kinds of files go in them. |
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If the package supports it, you can cause programs to be installed |
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with an extra prefix or suffix on their names by giving `configure' the |
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option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. |
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Optional Features |
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================= |
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Some packages pay attention to `--enable-FEATURE' options to |
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`configure', where FEATURE indicates an optional part of the package. |
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They may also pay attention to `--with-PACKAGE' options, where PACKAGE |
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is something like `gnu-as' or `x' (for the X Window System). The |
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`README' should mention any `--enable-' and `--with-' options that the |
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package recognizes. |
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For packages that use the X Window System, `configure' can usually |
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find the X include and library files automatically, but if it doesn't, |
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you can use the `configure' options `--x-includes=DIR' and |
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`--x-libraries=DIR' to specify their locations. |
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Specifying the System Type |
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========================== |
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There may be some features `configure' cannot figure out automatically, |
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but needs to determine by the type of machine the package will run on. |
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Usually, assuming the package is built to be run on the _same_ |
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architectures, `configure' can figure that out, but if it prints a |
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message saying it cannot guess the machine type, give it the |
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`--build=TYPE' option. TYPE can either be a short name for the system |
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type, such as `sun4', or a canonical name which has the form: |
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CPU-COMPANY-SYSTEM |
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where SYSTEM can have one of these forms: |
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OS KERNEL-OS |
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See the file `config.sub' for the possible values of each field. If |
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`config.sub' isn't included in this package, then this package doesn't |
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need to know the machine type. |
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If you are _building_ compiler tools for cross-compiling, you should |
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use the option `--target=TYPE' to select the type of system they will |
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produce code for. |
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If you want to _use_ a cross compiler, that generates code for a |
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platform different from the build platform, you should specify the |
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"host" platform (i.e., that on which the generated programs will |
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eventually be run) with `--host=TYPE'. |
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Sharing Defaults |
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================ |
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If you want to set default values for `configure' scripts to share, you |
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can create a site shell script called `config.site' that gives default |
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values for variables like `CC', `cache_file', and `prefix'. |
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`configure' looks for `PREFIX/share/config.site' if it exists, then |
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`PREFIX/etc/config.site' if it exists. Or, you can set the |
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`CONFIG_SITE' environment variable to the location of the site script. |
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A warning: not all `configure' scripts look for a site script. |
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Defining Variables |
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================== |
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Variables not defined in a site shell script can be set in the |
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environment passed to `configure'. However, some packages may run |
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configure again during the build, and the customized values of these |
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variables may be lost. In order to avoid this problem, you should set |
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them in the `configure' command line, using `VAR=value'. For example: |
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./configure CC=/usr/local2/bin/gcc |
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causes the specified `gcc' to be used as the C compiler (unless it is |
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overridden in the site shell script). |
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Unfortunately, this technique does not work for `CONFIG_SHELL' due to |
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an Autoconf bug. Until the bug is fixed you can use this workaround: |
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CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash |
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`configure' Invocation |
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====================== |
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`configure' recognizes the following options to control how it operates. |
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`--help' |
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`-h' |
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Print a summary of the options to `configure', and exit. |
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`--version' |
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`-V' |
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Print the version of Autoconf used to generate the `configure' |
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script, and exit. |
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`--cache-file=FILE' |
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Enable the cache: use and save the results of the tests in FILE, |
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traditionally `config.cache'. FILE defaults to `/dev/null' to |
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disable caching. |
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`--config-cache' |
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`-C' |
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Alias for `--cache-file=config.cache'. |
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`--quiet' |
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`--silent' |
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`-q' |
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Do not print messages saying which checks are being made. To |
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suppress all normal output, redirect it to `/dev/null' (any error |
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messages will still be shown). |
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`--srcdir=DIR' |
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Look for the package's source code in directory DIR. Usually |
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`configure' can determine that directory automatically. |
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`configure' also accepts some other, not widely useful, options. Run |
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`configure --help' for more details. |
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