3 This is the GRUB. Welcome.
5 This file contains instructions for compiling and installing the GRUB.
10 GRUB depends on some software packages installed into your system. If
11 you don't have any of them, please obtain and install them before
16 * GNU Bison 2.3 or later
17 * GNU binutils 2.9.1.0.23 or later
18 * Other standard GNU/Unix tools
20 * Autoconf 2.59 or later
25 The `configure' shell script attempts to guess correct values for
26 various system-dependent variables used during compilation. It uses
27 those values to create a `Makefile' in each directory of the package.
28 It may also create one or more `.h' files containing system-dependent
29 definitions. Finally, it creates a shell script `config.status' that
30 you can run in the future to recreate the current configuration, a
31 file `config.cache' that saves the results of its tests to speed up
32 reconfiguring, and a file `config.log' containing compiler output
33 (useful mainly for debugging `configure').
35 If you need to do unusual things to compile the package, please try to
36 figure out how `configure' could check whether to do them, and mail
37 diffs or instructions to the address given in the `README' so they can
38 be considered for the next release. If at some point `config.cache'
39 contains results you don't want to keep, you may remove or edit it.
41 The file `configure.ac' is used to create `configure' by a program
42 called `autoconf'. You only need `configure.in' if you want to change
43 it or regenerate `configure' using a newer version of `autoconf'.
49 The simplest way to compile this package is:
51 1. `cd' to the directory containing the package's source code and
52 type `./autogen.sh' and then `./configure' to configure the
53 package for your system. If you're using `csh' on an old version
54 of System V, you might need to type `sh ./configure' instead to
55 prevent `csh' from trying to execute `configure' itself.
57 Running `configure' takes awhile. While running, it prints some
58 messages telling which features it is checking for.
60 2. Type `make' to compile the package.
62 3. Optionally, type `make check' to run any self-tests that come with
65 4. Type `make install' to install the programs and any data files and
68 5. You can remove the program binaries and object files from the
69 source code directory by typing `make clean'. To also remove the
70 files that `configure' created (so you can compile the package for
71 a different kind of computer), type `make distclean'. There is
72 also a `make maintainer-clean' target, but that is intended mainly
73 for the package's developers. If you use it, you may have to get
74 all sorts of other programs in order to regenerate files that came
75 with the distribution.
78 Compiling For Multiple Architectures
79 ====================================
81 You can compile the package for more than one kind of computer at the
82 same time, by placing the object files for each architecture in their
83 own directory. `cd' to the directory where you want the object files
84 and executables to go and run the `configure' script. `configure'
85 automatically checks for the source code in the directory that
86 `configure' is in and in `..'.
92 By default, `make install' will install the package's files in
93 `/usr/local/bin', `/usr/local/man', etc. You can specify an
94 installation prefix by giving `configure' the option `--prefix=PATH'.
96 You can specify separate installation prefixes for
97 architecture-specific files and architecture-independent files. If
98 you give `configure' the option `--exec-prefix=PATH', the package will
99 use PATH as the prefix for installing programs and libraries.
100 Documentation and other data files will still use the regular prefix.
102 In addition, if you use an unusual directory layout you can give
103 options like `--bindir=PATH' to specify different values for
104 particular kinds of files. Run `configure --help' for a list of the
105 directories you can set and what kinds of files go in them.
107 If the package supports it, you can cause programs to be installed
108 with an extra prefix or suffix on their names by giving `configure'
109 the option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
111 Please note, however, that the GRUB knows where it is located in the
112 filesystem. If you have installed it in an unusual location, the
113 system might not work properly, or at all. The chief utility of these
114 options for the GRUB is to allow you to "install" in some alternate
115 location, and then copy these to the actual root filesystem later.
121 If you want to set default values for `configure' scripts to share,
122 you can create a site shell script called `config.site' that gives
123 default values for variables like `CC', `cache_file', and `prefix'.
124 `configure' looks for `PREFIX/share/config.site' if it exists, then
125 `PREFIX/etc/config.site' if it exists. Or, you can set the
126 `CONFIG_SITE' environment variable to the location of the site script.
127 A warning: not all `configure' scripts look for a site script.
133 `configure' recognizes the following options to control how it
137 Use and save the results of the tests in FILE instead of
138 `./config.cache'. Set FILE to `/dev/null' to disable caching, for
139 debugging `configure'.
142 Print a summary of the options to `configure', and exit.
147 Do not print messages saying which checks are being made.
150 Look for the package's source code in directory DIR. Usually
151 `configure' can determine that directory automatically.
154 Print the version of Autoconf used to generate the `configure'