| 1 | -------------------------------------------------------------------------- |
1 | Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002 Free Software |
| 2 | Using GNU autoconfig |
2 | Foundation, Inc. |
| 3 | -------------------------------------------------------------------------- |
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| 4 | 1. If you retrieved a CVS version of this package, you need the GNU |
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| 5 | autoconf package to generate the configure script. This is done |
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| 6 | by running ./genac in this directory which will automatically |
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| 7 | run autoconf with the appropriate options. |
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| 8 | |
3 | |
| 9 | 2. Run ./configure to generate config.h and the various Makefiles. |
4 | This file is free documentation; the Free Software Foundation gives |
| 10 | ./configure --help gives a list of possible options with slightly |
5 | unlimited permission to copy, distribute and modify it. |
| 11 | longer descriptions in README.configure |
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| 12 | |
6 | |
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7 | Basic Installation |
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8 | ================== |
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9 | |
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10 | These are generic installation instructions. |
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11 | |
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12 | The `configure' shell script attempts to guess correct values for |
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13 | various system-dependent variables used during compilation. It uses |
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14 | those values to create a `Makefile' in each directory of the package. |
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15 | It may also create one or more `.h' files containing system-dependent |
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16 | definitions. Finally, it creates a shell script `config.status' that |
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17 | you can run in the future to recreate the current configuration, and a |
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18 | file `config.log' containing compiler output (useful mainly for |
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19 | debugging `configure'). |
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20 | |
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21 | It can also use an optional file (typically called `config.cache' |
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22 | and enabled with `--cache-file=config.cache' or simply `-C') that saves |
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23 | the results of its tests to speed up reconfiguring. (Caching is |
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24 | disabled by default to prevent problems with accidental use of stale |
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25 | cache files.) |
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26 | |
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27 | If you need to do unusual things to compile the package, please try |
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28 | to figure out how `configure' could check whether to do them, and mail |
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29 | diffs or instructions to the address given in the `README' so they can |
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30 | be considered for the next release. If you are using the cache, and at |
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31 | some point `config.cache' contains results you don't want to keep, you |
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32 | may remove or edit it. |
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33 | |
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34 | The file `configure.ac' (or `configure.in') is used to create |
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35 | `configure' by a program called `autoconf'. You only need |
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36 | `configure.ac' if you want to change it or regenerate `configure' using |
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37 | a newer version of `autoconf'. |
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38 | |
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39 | The simplest way to compile this package is: |
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40 | |
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41 | 1. `cd' to the directory containing the package's source code and type |
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42 | `./configure' to configure the package for your system. If you're |
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43 | using `csh' on an old version of System V, you might need to type |
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44 | `sh ./configure' instead to prevent `csh' from trying to execute |
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45 | `configure' itself. |
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46 | |
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47 | Running `configure' takes awhile. While running, it prints some |
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48 | messages telling which features it is checking for. |
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49 | |
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50 | 2. Type `make' to compile the package. |
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51 | |
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52 | 3. Optionally, type `make check' to run any self-tests that come with |
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53 | the package. |
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54 | |
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55 | 4. Type `make install' to install the programs and any data files and |
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56 | documentation. |
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57 | |
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58 | 5. You can remove the program binaries and object files from the |
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59 | source code directory by typing `make clean'. To also remove the |
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60 | files that `configure' created (so you can compile the package for |
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61 | a different kind of computer), type `make distclean'. There is |
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62 | also a `make maintainer-clean' target, but that is intended mainly |
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63 | for the package's developers. If you use it, you may have to get |
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64 | all sorts of other programs in order to regenerate files that came |
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65 | with the distribution. |
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66 | |
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67 | Compilers and Options |
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68 | ===================== |
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69 | |
| 13 | Some systems require unusual options for compilation or linking that |
70 | Some systems require unusual options for compilation or linking that |
| 14 | the `configure' script does not know about. You can give `configure' |
71 | the `configure' script does not know about. Run `./configure --help' |
| 15 | initial values for variables by setting them in the environment. Using |
72 | for details on some of the pertinent environment variables. |
| 16 | a Bourne-compatible shell, you can do that on the command line like |
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| 17 | this: |
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| 18 | CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure |
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| 19 | Or on systems that have the `env' program, you can do it like this: |
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| 20 | env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure |
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| 21 | Or if you're using a non Bourne-compatible shell, you can do: |
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| 22 | sh -c 'CFLAGS="-O2 -g" ./configure |
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| 23 | |
73 | |
| 24 | If you are making different versions of rxvt you can configure them |
74 | All confgiure options are also described in README.configure. |
| 25 | to be installed with different names using configure arguments, e.g. |
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| 26 | ./configure --enable-languages --program-transform-name='s,rxvt,kxvt,;' |
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| 27 | |
75 | |
| 28 | 3. set any other main preferences: |
76 | You can give `configure' initial values for configuration parameters |
| 29 | Edit "src/feature.h" |
77 | by setting variables in the command line or in the environment. Here |
| 30 | Edit "config.h" if you didn't use ./configure options |
78 | is an example: |
| 31 | If you're cross-compiling, edit the following in "config.h" |
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| 32 | NO_XLOCALE |
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| 33 | SIZEOF_* # sizeof some types |
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| 34 | |
79 | |
| 35 | 4. Build it (repeat step 2 as desired): |
80 | ./configure CC=c89 CFLAGS=-O2 LIBS=-lposix |
| 36 | make |
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| 37 | |
81 | |
| 38 | 5. build rclock (small xclock with biff & appointments) and |
82 | *Note Defining Variables::, for more details. |
| 39 | optionally edit rclock/feature.h to add/remove features: |
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| 40 | make clock |
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| 41 | |
83 | |
| 42 | 6. Install both rxvt and rclock: |
84 | Compiling For Multiple Architectures |
| 43 | make install |
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| 44 | |
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| 45 | or install them separately |
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| 46 | (cd src; make install) |
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| 47 | (cd rclock; make install) |
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| 48 | |
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| 49 | you may also want to install doc/etc/rxvt-unicode.terminfo and |
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| 50 | doc/etc/rxvt-unicode.termcap |
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| 51 | |
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| 52 | 7 a. If compiled with UTMP_SUPPORT, you may need to install rxvt setuid |
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| 53 | root or setuid/setgid to match the file permissions on /etc/utmp |
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| 54 | 7 b. You may need to install setuid root anyway for some systems so that |
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| 55 | they can give you ownership of the tty devices. |
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| 56 | |
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| 57 | =================================== |
85 | ==================================== |
| 58 | |
86 | |
| 59 | NB: SunOS (with/without gcc?) gets reported by configure as |
87 | You can compile the package for more than one kind of computer at the |
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88 | same time, by placing the object files for each architecture in their |
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89 | own directory. To do this, you must use a version of `make' that |
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90 | supports the `VPATH' variable, such as GNU `make'. `cd' to the |
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91 | directory where you want the object files and executables to go and run |
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92 | the `configure' script. `configure' automatically checks for the |
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93 | source code in the directory that `configure' is in and in `..'. |
| 60 | |
94 | |
| 61 | #undef STDC_HEADERS |
95 | If you have to use a `make' that does not support the `VPATH' |
| 62 | #define HAVE_SYS_IOCTL_H 1 |
96 | variable, you have to compile the package for one architecture at a |
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97 | time in the source code directory. After you have installed the |
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98 | package for one architecture, use `make distclean' before reconfiguring |
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99 | for another architecture. |
| 63 | |
100 | |
| 64 | but the ioctl() defines aren't protected against multiple |
101 | Installation Names |
| 65 | inclusion, in this case by <termios.h> so use a hack in |
102 | ================== |
| 66 | "feature.h" to avoid the problem. |
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| 67 | |
103 | |
| 68 | Gave up checking for `STDC_HEADERS', since they really should be |
104 | By default, `make install' will install the package's files in |
| 69 | there and I don't want to deal with the problems when they don't |
105 | `/usr/local/bin', `/usr/local/man', etc. You can specify an |
| 70 | exist. |
106 | installation prefix other than `/usr/local' by giving `configure' the |
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107 | option `--prefix=PATH'. |
| 71 | |
108 | |
| 72 | SunOS users might complain to the right places and get their |
109 | You can specify separate installation prefixes for |
| 73 | system headers fixed so that one day the rest of us won't have |
110 | architecture-specific files and architecture-independent files. If you |
| 74 | to keep compensating :( |
111 | give `configure' the option `--exec-prefix=PATH', the package will use |
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112 | PATH as the prefix for installing programs and libraries. |
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113 | Documentation and other data files will still use the regular prefix. |
| 75 | |
114 | |
| 76 | SVR4 users (that aren't using gcc) will have to add -DSVR4 to |
115 | In addition, if you use an unusual directory layout you can give |
| 77 | CPPFLAGS for configure. |
116 | options like `--bindir=PATH' to specify different values for particular |
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117 | kinds of files. Run `configure --help' for a list of the directories |
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118 | you can set and what kinds of files go in them. |
| 78 | |
119 | |
| 79 | -- |
120 | If the package supports it, you can cause programs to be installed |
| 80 | EOF |
121 | with an extra prefix or suffix on their names by giving `configure' the |
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122 | option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. |
| 81 | |
123 | |
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124 | Optional Features |
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125 | ================= |
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126 | |
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127 | Some packages pay attention to `--enable-FEATURE' options to |
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128 | `configure', where FEATURE indicates an optional part of the package. |
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129 | They may also pay attention to `--with-PACKAGE' options, where PACKAGE |
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130 | is something like `gnu-as' or `x' (for the X Window System). The |
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131 | `README' should mention any `--enable-' and `--with-' options that the |
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132 | package recognizes. |
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133 | |
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134 | For packages that use the X Window System, `configure' can usually |
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135 | find the X include and library files automatically, but if it doesn't, |
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136 | you can use the `configure' options `--x-includes=DIR' and |
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137 | `--x-libraries=DIR' to specify their locations. |
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138 | |
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139 | Specifying the System Type |
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140 | ========================== |
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141 | |
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142 | There may be some features `configure' cannot figure out |
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143 | automatically, but needs to determine by the type of machine the package |
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144 | will run on. Usually, assuming the package is built to be run on the |
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145 | _same_ architectures, `configure' can figure that out, but if it prints |
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146 | a message saying it cannot guess the machine type, give it the |
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147 | `--build=TYPE' option. TYPE can either be a short name for the system |
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148 | type, such as `sun4', or a canonical name which has the form: |
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149 | |
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150 | CPU-COMPANY-SYSTEM |
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151 | |
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152 | where SYSTEM can have one of these forms: |
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153 | |
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154 | OS KERNEL-OS |
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155 | |
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156 | See the file `config.sub' for the possible values of each field. If |
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157 | `config.sub' isn't included in this package, then this package doesn't |
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158 | need to know the machine type. |
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159 | |
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160 | If you are _building_ compiler tools for cross-compiling, you should |
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161 | use the `--target=TYPE' option to select the type of system they will |
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162 | produce code for. |
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163 | |
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164 | If you want to _use_ a cross compiler, that generates code for a |
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165 | platform different from the build platform, you should specify the |
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166 | "host" platform (i.e., that on which the generated programs will |
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167 | eventually be run) with `--host=TYPE'. |
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168 | |
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169 | Sharing Defaults |
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170 | ================ |
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171 | |
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172 | If you want to set default values for `configure' scripts to share, |
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173 | you can create a site shell script called `config.site' that gives |
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174 | default values for variables like `CC', `cache_file', and `prefix'. |
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175 | `configure' looks for `PREFIX/share/config.site' if it exists, then |
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176 | `PREFIX/etc/config.site' if it exists. Or, you can set the |
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177 | `CONFIG_SITE' environment variable to the location of the site script. |
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178 | A warning: not all `configure' scripts look for a site script. |
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179 | |
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180 | Defining Variables |
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181 | ================== |
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182 | |
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183 | Variables not defined in a site shell script can be set in the |
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184 | environment passed to `configure'. However, some packages may run |
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185 | configure again during the build, and the customized values of these |
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186 | variables may be lost. In order to avoid this problem, you should set |
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187 | them in the `configure' command line, using `VAR=value'. For example: |
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188 | |
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189 | ./configure CC=/usr/local2/bin/gcc |
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190 | |
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191 | will cause the specified gcc to be used as the C compiler (unless it is |
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192 | overridden in the site shell script). |
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193 | |
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194 | `configure' Invocation |
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195 | ====================== |
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196 | |
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197 | `configure' recognizes the following options to control how it |
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198 | operates. |
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199 | |
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200 | `--help' |
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201 | `-h' |
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202 | Print a summary of the options to `configure', and exit. |
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203 | |
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204 | `--version' |
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205 | `-V' |
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206 | Print the version of Autoconf used to generate the `configure' |
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207 | script, and exit. |
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208 | |
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209 | `--cache-file=FILE' |
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210 | Enable the cache: use and save the results of the tests in FILE, |
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211 | traditionally `config.cache'. FILE defaults to `/dev/null' to |
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212 | disable caching. |
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213 | |
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214 | `--config-cache' |
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215 | `-C' |
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216 | Alias for `--cache-file=config.cache'. |
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217 | |
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218 | `--quiet' |
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219 | `--silent' |
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220 | `-q' |
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221 | Do not print messages saying which checks are being made. To |
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222 | suppress all normal output, redirect it to `/dev/null' (any error |
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223 | messages will still be shown). |
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224 | |
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225 | `--srcdir=DIR' |
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226 | Look for the package's source code in directory DIR. Usually |
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227 | `configure' can determine that directory automatically. |
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228 | |
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229 | `configure' also accepts some other, not widely useful, options. Run |
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230 | `configure --help' for more details. |
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231 | |
