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1.1 ! root 1: Basic Installation ! 2: ================== ! 3: ! 4: These are generic installation instructions. ! 5: ! 6: The `configure' shell script attempts to guess correct values for ! 7: various system-dependent variables used during compilation. It uses ! 8: those values to create a `Makefile' in each directory of the package. ! 9: It may also create one or more `.h' files containing system-dependent ! 10: definitions. Finally, it creates a shell script `config.status' that ! 11: you can run in the future to recreate the current configuration, a file ! 12: `config.cache' that saves the results of its tests to speed up ! 13: reconfiguring, and a file `config.log' containing compiler output ! 14: (useful mainly for debugging `configure'). ! 15: ! 16: If you need to do unusual things to compile the package, please try ! 17: to figure out how `configure' could check whether to do them, and mail ! 18: diffs or instructions to the address given in the `README' so they can ! 19: be considered for the next release. If at some point `config.cache' ! 20: contains results you don't want to keep, you may remove or edit it. ! 21: ! 22: The file `configure.in' is used to create `configure' by a program ! 23: called `autoconf'. You only need `configure.in' if you want to change ! 24: it or regenerate `configure' using a newer version of `autoconf'. ! 25: ! 26: The simplest way to compile this package is: ! 27: ! 28: 1. `cd' to the directory containing the package's source code and type ! 29: `./configure' to configure the package for your system. If you're ! 30: using `csh' on an old version of System V, you might need to type ! 31: `sh ./configure' instead to prevent `csh' from trying to execute ! 32: `configure' itself. ! 33: ! 34: Running `configure' takes awhile. While running, it prints some ! 35: messages telling which features it is checking for. ! 36: ! 37: 2. Type `make' to compile the package. ! 38: ! 39: 3. Optionally, type `make check' to run any self-tests that come with ! 40: the package. ! 41: ! 42: 4. Type `make install' to install the programs and any data files and ! 43: documentation. ! 44: ! 45: 5. You can remove the program binaries and object files from the ! 46: source code directory by typing `make clean'. To also remove the ! 47: files that `configure' created (so you can compile the package for ! 48: a different kind of computer), type `make distclean'. There is ! 49: also a `make maintainer-clean' target, but that is intended mainly ! 50: for the package's developers. If you use it, you may have to get ! 51: all sorts of other programs in order to regenerate files that came ! 52: with the distribution. ! 53: ! 54: Compilers and Options ! 55: ===================== ! 56: ! 57: Some systems require unusual options for compilation or linking that ! 58: the `configure' script does not know about. You can give `configure' ! 59: initial values for variables by setting them in the environment. Using ! 60: a Bourne-compatible shell, you can do that on the command line like ! 61: this: ! 62: CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure ! 63: ! 64: Or on systems that have the `env' program, you can do it like this: ! 65: env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure ! 66: ! 67: Compiling For Multiple Architectures ! 68: ==================================== ! 69: ! 70: You can compile the package for more than one kind of computer at the ! 71: same time, by placing the object files for each architecture in their ! 72: own directory. To do this, you must use a version of `make' that ! 73: supports the `VPATH' variable, such as GNU `make'. `cd' to the ! 74: directory where you want the object files and executables to go and run ! 75: the `configure' script. `configure' automatically checks for the ! 76: source code in the directory that `configure' is in and in `..'. ! 77: ! 78: If you have to use a `make' that does not supports the `VPATH' ! 79: variable, you have to compile the package for one architecture at a time ! 80: in the source code directory. After you have installed the package for ! 81: one architecture, use `make distclean' before reconfiguring for another ! 82: architecture. ! 83: ! 84: Installation Names ! 85: ================== ! 86: ! 87: By default, `make install' will install the package's files in ! 88: `/usr/local/bin', `/usr/local/man', etc. You can specify an ! 89: installation prefix other than `/usr/local' by giving `configure' the ! 90: option `--prefix=PATH'. ! 91: ! 92: You can specify separate installation prefixes for ! 93: architecture-specific files and architecture-independent files. If you ! 94: give `configure' the option `--exec-prefix=PATH', the package will use ! 95: PATH as the prefix for installing programs and libraries. ! 96: Documentation and other data files will still use the regular prefix. ! 97: ! 98: In addition, if you use an unusual directory layout you can give ! 99: options like `--bindir=PATH' to specify different values for particular ! 100: kinds of files. Run `configure --help' for a list of the directories ! 101: you can set and what kinds of files go in them. ! 102: ! 103: If the package supports it, you can cause programs to be installed ! 104: with an extra prefix or suffix on their names by giving `configure' the ! 105: option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. ! 106: ! 107: Optional Features ! 108: ================= ! 109: ! 110: Some packages pay attention to `--enable-FEATURE' options to ! 111: `configure', where FEATURE indicates an optional part of the package. ! 112: They may also pay attention to `--with-PACKAGE' options, where PACKAGE ! 113: is something like `gnu-as' or `x' (for the X Window System). The ! 114: `README' should mention any `--enable-' and `--with-' options that the ! 115: package recognizes. ! 116: ! 117: For packages that use the X Window System, `configure' can usually ! 118: find the X include and library files automatically, but if it doesn't, ! 119: you can use the `configure' options `--x-includes=DIR' and ! 120: `--x-libraries=DIR' to specify their locations. ! 121: ! 122: Specifying the System Type ! 123: ========================== ! 124: ! 125: There may be some features `configure' can not figure out ! 126: automatically, but needs to determine by the type of host the package ! 127: will run on. Usually `configure' can figure that out, but if it prints ! 128: a message saying it can not guess the host type, give it the ! 129: `--host=TYPE' option. TYPE can either be a short name for the system ! 130: type, such as `sun4', or a canonical name with three fields: ! 131: CPU-COMPANY-SYSTEM ! 132: ! 133: See the file `config.sub' for the possible values of each field. If ! 134: `config.sub' isn't included in this package, then this package doesn't ! 135: need to know the host type. ! 136: ! 137: If you are building compiler tools for cross-compiling, you can also ! 138: use the `--target=TYPE' option to select the type of system they will ! 139: produce code for and the `--build=TYPE' option to select the type of ! 140: system on which you are compiling the package. ! 141: ! 142: Sharing Defaults ! 143: ================ ! 144: ! 145: If you want to set default values for `configure' scripts to share, ! 146: you can create a site shell script called `config.site' that gives ! 147: default values for variables like `CC', `cache_file', and `prefix'. ! 148: `configure' looks for `PREFIX/share/config.site' if it exists, then ! 149: `PREFIX/etc/config.site' if it exists. Or, you can set the ! 150: `CONFIG_SITE' environment variable to the location of the site script. ! 151: A warning: not all `configure' scripts look for a site script. ! 152: ! 153: Operation Controls ! 154: ================== ! 155: ! 156: `configure' recognizes the following options to control how it ! 157: operates. ! 158: ! 159: `--cache-file=FILE' ! 160: Use and save the results of the tests in FILE instead of ! 161: `./config.cache'. Set FILE to `/dev/null' to disable caching, for ! 162: debugging `configure'. ! 163: ! 164: `--help' ! 165: Print a summary of the options to `configure', and exit. ! 166: ! 167: `--quiet' ! 168: `--silent' ! 169: `-q' ! 170: Do not print messages saying which checks are being made. To ! 171: suppress all normal output, redirect it to `/dev/null' (any error ! 172: messages will still be shown). ! 173: ! 174: `--srcdir=DIR' ! 175: Look for the package's source code in directory DIR. Usually ! 176: `configure' can determine that directory automatically. ! 177: ! 178: `--version' ! 179: Print the version of Autoconf used to generate the `configure' ! 180: script, and exit. ! 181: ! 182: `configure' also accepts some other, not widely useful, options. ! 183:
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