diff options
Diffstat (limited to 'INSTALL')
-rw-r--r-- | INSTALL | 321 |
1 files changed, 162 insertions, 159 deletions
@@ -1,8 +1,8 @@ | |||
1 | Installation Instructions | 1 | Installation Instructions |
2 | ************************* | 2 | ************************* |
3 | 3 | ||
4 | Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, | 4 | Copyright (C) 1994-1996, 1999-2002, 2004-2016 Free Software |
5 | 2006, 2007, 2008, 2009 Free Software Foundation, Inc. | 5 | Foundation, Inc. |
6 | 6 | ||
7 | Copying and distribution of this file, with or without modification, | 7 | Copying and distribution of this file, with or without modification, |
8 | are permitted in any medium without royalty provided the copyright | 8 | are permitted in any medium without royalty provided the copyright |
@@ -12,97 +12,96 @@ without warranty of any kind. | |||
12 | Basic Installation | 12 | Basic Installation |
13 | ================== | 13 | ================== |
14 | 14 | ||
15 | Briefly, the shell commands `./configure; make; make install' should | 15 | Briefly, the shell command './configure && make && make install' |
16 | configure, build, and install this package. The following | 16 | should configure, build, and install this package. The following |
17 | more-detailed instructions are generic; see the `README' file for | 17 | more-detailed instructions are generic; see the 'README' file for |
18 | instructions specific to this package. Some packages provide this | 18 | instructions specific to this package. Some packages provide this |
19 | `INSTALL' file but do not implement all of the features documented | 19 | 'INSTALL' file but do not implement all of the features documented |
20 | below. The lack of an optional feature in a given package is not | 20 | below. The lack of an optional feature in a given package is not |
21 | necessarily a bug. More recommendations for GNU packages can be found | 21 | necessarily a bug. More recommendations for GNU packages can be found |
22 | in *note Makefile Conventions: (standards)Makefile Conventions. | 22 | in *note Makefile Conventions: (standards)Makefile Conventions. |
23 | 23 | ||
24 | The `configure' shell script attempts to guess correct values for | 24 | The 'configure' shell script attempts to guess correct values for |
25 | various system-dependent variables used during compilation. It uses | 25 | various system-dependent variables used during compilation. It uses |
26 | those values to create a `Makefile' in each directory of the package. | 26 | those values to create a 'Makefile' in each directory of the package. |
27 | It may also create one or more `.h' files containing system-dependent | 27 | It may also create one or more '.h' files containing system-dependent |
28 | definitions. Finally, it creates a shell script `config.status' that | 28 | definitions. Finally, it creates a shell script 'config.status' that |
29 | you can run in the future to recreate the current configuration, and a | 29 | you can run in the future to recreate the current configuration, and a |
30 | file `config.log' containing compiler output (useful mainly for | 30 | file 'config.log' containing compiler output (useful mainly for |
31 | debugging `configure'). | 31 | debugging 'configure'). |
32 | 32 | ||
33 | It can also use an optional file (typically called `config.cache' | 33 | It can also use an optional file (typically called 'config.cache' and |
34 | and enabled with `--cache-file=config.cache' or simply `-C') that saves | 34 | enabled with '--cache-file=config.cache' or simply '-C') that saves the |
35 | the results of its tests to speed up reconfiguring. Caching is | 35 | results of its tests to speed up reconfiguring. Caching is disabled by |
36 | disabled by default to prevent problems with accidental use of stale | 36 | default to prevent problems with accidental use of stale cache files. |
37 | cache files. | ||
38 | 37 | ||
39 | If you need to do unusual things to compile the package, please try | 38 | If you need to do unusual things to compile the package, please try |
40 | to figure out how `configure' could check whether to do them, and mail | 39 | to figure out how 'configure' could check whether to do them, and mail |
41 | diffs or instructions to the address given in the `README' so they can | 40 | diffs or instructions to the address given in the 'README' so they can |
42 | be considered for the next release. If you are using the cache, and at | 41 | be considered for the next release. If you are using the cache, and at |
43 | some point `config.cache' contains results you don't want to keep, you | 42 | some point 'config.cache' contains results you don't want to keep, you |
44 | may remove or edit it. | 43 | may remove or edit it. |
45 | 44 | ||
46 | The file `configure.ac' (or `configure.in') is used to create | 45 | The file 'configure.ac' (or 'configure.in') is used to create |
47 | `configure' by a program called `autoconf'. You need `configure.ac' if | 46 | 'configure' by a program called 'autoconf'. You need 'configure.ac' if |
48 | you want to change it or regenerate `configure' using a newer version | 47 | you want to change it or regenerate 'configure' using a newer version of |
49 | of `autoconf'. | 48 | 'autoconf'. |
50 | 49 | ||
51 | The simplest way to compile this package is: | 50 | The simplest way to compile this package is: |
52 | 51 | ||
53 | 1. `cd' to the directory containing the package's source code and type | 52 | 1. 'cd' to the directory containing the package's source code and type |
54 | `./configure' to configure the package for your system. | 53 | './configure' to configure the package for your system. |
55 | 54 | ||
56 | Running `configure' might take a while. While running, it prints | 55 | Running 'configure' might take a while. While running, it prints |
57 | some messages telling which features it is checking for. | 56 | some messages telling which features it is checking for. |
58 | 57 | ||
59 | 2. Type `make' to compile the package. | 58 | 2. Type 'make' to compile the package. |
60 | 59 | ||
61 | 3. Optionally, type `make check' to run any self-tests that come with | 60 | 3. Optionally, type 'make check' to run any self-tests that come with |
62 | the package, generally using the just-built uninstalled binaries. | 61 | the package, generally using the just-built uninstalled binaries. |
63 | 62 | ||
64 | 4. Type `make install' to install the programs and any data files and | 63 | 4. Type 'make install' to install the programs and any data files and |
65 | documentation. When installing into a prefix owned by root, it is | 64 | documentation. When installing into a prefix owned by root, it is |
66 | recommended that the package be configured and built as a regular | 65 | recommended that the package be configured and built as a regular |
67 | user, and only the `make install' phase executed with root | 66 | user, and only the 'make install' phase executed with root |
68 | privileges. | 67 | privileges. |
69 | 68 | ||
70 | 5. Optionally, type `make installcheck' to repeat any self-tests, but | 69 | 5. Optionally, type 'make installcheck' to repeat any self-tests, but |
71 | this time using the binaries in their final installed location. | 70 | this time using the binaries in their final installed location. |
72 | This target does not install anything. Running this target as a | 71 | This target does not install anything. Running this target as a |
73 | regular user, particularly if the prior `make install' required | 72 | regular user, particularly if the prior 'make install' required |
74 | root privileges, verifies that the installation completed | 73 | root privileges, verifies that the installation completed |
75 | correctly. | 74 | correctly. |
76 | 75 | ||
77 | 6. You can remove the program binaries and object files from the | 76 | 6. You can remove the program binaries and object files from the |
78 | source code directory by typing `make clean'. To also remove the | 77 | source code directory by typing 'make clean'. To also remove the |
79 | files that `configure' created (so you can compile the package for | 78 | files that 'configure' created (so you can compile the package for |
80 | a different kind of computer), type `make distclean'. There is | 79 | a different kind of computer), type 'make distclean'. There is |
81 | also a `make maintainer-clean' target, but that is intended mainly | 80 | also a 'make maintainer-clean' target, but that is intended mainly |
82 | for the package's developers. If you use it, you may have to get | 81 | for the package's developers. If you use it, you may have to get |
83 | all sorts of other programs in order to regenerate files that came | 82 | all sorts of other programs in order to regenerate files that came |
84 | with the distribution. | 83 | with the distribution. |
85 | 84 | ||
86 | 7. Often, you can also type `make uninstall' to remove the installed | 85 | 7. Often, you can also type 'make uninstall' to remove the installed |
87 | files again. In practice, not all packages have tested that | 86 | files again. In practice, not all packages have tested that |
88 | uninstallation works correctly, even though it is required by the | 87 | uninstallation works correctly, even though it is required by the |
89 | GNU Coding Standards. | 88 | GNU Coding Standards. |
90 | 89 | ||
91 | 8. Some packages, particularly those that use Automake, provide `make | 90 | 8. Some packages, particularly those that use Automake, provide 'make |
92 | distcheck', which can by used by developers to test that all other | 91 | distcheck', which can by used by developers to test that all other |
93 | targets like `make install' and `make uninstall' work correctly. | 92 | targets like 'make install' and 'make uninstall' work correctly. |
94 | This target is generally not run by end users. | 93 | This target is generally not run by end users. |
95 | 94 | ||
96 | Compilers and Options | 95 | Compilers and Options |
97 | ===================== | 96 | ===================== |
98 | 97 | ||
99 | Some systems require unusual options for compilation or linking that | 98 | Some systems require unusual options for compilation or linking that |
100 | the `configure' script does not know about. Run `./configure --help' | 99 | the 'configure' script does not know about. Run './configure --help' |
101 | for details on some of the pertinent environment variables. | 100 | for details on some of the pertinent environment variables. |
102 | 101 | ||
103 | You can give `configure' initial values for configuration parameters | 102 | You can give 'configure' initial values for configuration parameters |
104 | by setting variables in the command line or in the environment. Here | 103 | by setting variables in the command line or in the environment. Here is |
105 | is an example: | 104 | an example: |
106 | 105 | ||
107 | ./configure CC=c99 CFLAGS=-g LIBS=-lposix | 106 | ./configure CC=c99 CFLAGS=-g LIBS=-lposix |
108 | 107 | ||
@@ -113,21 +112,21 @@ Compiling For Multiple Architectures | |||
113 | 112 | ||
114 | You can compile the package for more than one kind of computer at the | 113 | You can compile the package for more than one kind of computer at the |
115 | same time, by placing the object files for each architecture in their | 114 | same time, by placing the object files for each architecture in their |
116 | own directory. To do this, you can use GNU `make'. `cd' to the | 115 | own directory. To do this, you can use GNU 'make'. 'cd' to the |
117 | directory where you want the object files and executables to go and run | 116 | directory where you want the object files and executables to go and run |
118 | the `configure' script. `configure' automatically checks for the | 117 | the 'configure' script. 'configure' automatically checks for the source |
119 | source code in the directory that `configure' is in and in `..'. This | 118 | code in the directory that 'configure' is in and in '..'. This is known |
120 | is known as a "VPATH" build. | 119 | as a "VPATH" build. |
121 | 120 | ||
122 | With a non-GNU `make', it is safer to compile the package for one | 121 | With a non-GNU 'make', it is safer to compile the package for one |
123 | architecture at a time in the source code directory. After you have | 122 | architecture at a time in the source code directory. After you have |
124 | installed the package for one architecture, use `make distclean' before | 123 | installed the package for one architecture, use 'make distclean' before |
125 | reconfiguring for another architecture. | 124 | reconfiguring for another architecture. |
126 | 125 | ||
127 | On MacOS X 10.5 and later systems, you can create libraries and | 126 | On MacOS X 10.5 and later systems, you can create libraries and |
128 | executables that work on multiple system types--known as "fat" or | 127 | executables that work on multiple system types--known as "fat" or |
129 | "universal" binaries--by specifying multiple `-arch' options to the | 128 | "universal" binaries--by specifying multiple '-arch' options to the |
130 | compiler but only a single `-arch' option to the preprocessor. Like | 129 | compiler but only a single '-arch' option to the preprocessor. Like |
131 | this: | 130 | this: |
132 | 131 | ||
133 | ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ | 132 | ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ |
@@ -136,100 +135,104 @@ this: | |||
136 | 135 | ||
137 | This is not guaranteed to produce working output in all cases, you | 136 | This is not guaranteed to produce working output in all cases, you |
138 | may have to build one architecture at a time and combine the results | 137 | may have to build one architecture at a time and combine the results |
139 | using the `lipo' tool if you have problems. | 138 | using the 'lipo' tool if you have problems. |
140 | 139 | ||
141 | Installation Names | 140 | Installation Names |
142 | ================== | 141 | ================== |
143 | 142 | ||
144 | By default, `make install' installs the package's commands under | 143 | By default, 'make install' installs the package's commands under |
145 | `/usr/local/bin', include files under `/usr/local/include', etc. You | 144 | '/usr/local/bin', include files under '/usr/local/include', etc. You |
146 | can specify an installation prefix other than `/usr/local' by giving | 145 | can specify an installation prefix other than '/usr/local' by giving |
147 | `configure' the option `--prefix=PREFIX', where PREFIX must be an | 146 | 'configure' the option '--prefix=PREFIX', where PREFIX must be an |
148 | absolute file name. | 147 | absolute file name. |
149 | 148 | ||
150 | You can specify separate installation prefixes for | 149 | You can specify separate installation prefixes for |
151 | architecture-specific files and architecture-independent files. If you | 150 | architecture-specific files and architecture-independent files. If you |
152 | pass the option `--exec-prefix=PREFIX' to `configure', the package uses | 151 | pass the option '--exec-prefix=PREFIX' to 'configure', the package uses |
153 | PREFIX as the prefix for installing programs and libraries. | 152 | PREFIX as the prefix for installing programs and libraries. |
154 | Documentation and other data files still use the regular prefix. | 153 | Documentation and other data files still use the regular prefix. |
155 | 154 | ||
156 | In addition, if you use an unusual directory layout you can give | 155 | In addition, if you use an unusual directory layout you can give |
157 | options like `--bindir=DIR' to specify different values for particular | 156 | options like '--bindir=DIR' to specify different values for particular |
158 | kinds of files. Run `configure --help' for a list of the directories | 157 | kinds of files. Run 'configure --help' for a list of the directories |
159 | you can set and what kinds of files go in them. In general, the | 158 | you can set and what kinds of files go in them. In general, the default |
160 | default for these options is expressed in terms of `${prefix}', so that | 159 | for these options is expressed in terms of '${prefix}', so that |
161 | specifying just `--prefix' will affect all of the other directory | 160 | specifying just '--prefix' will affect all of the other directory |
162 | specifications that were not explicitly provided. | 161 | specifications that were not explicitly provided. |
163 | 162 | ||
164 | The most portable way to affect installation locations is to pass the | 163 | The most portable way to affect installation locations is to pass the |
165 | correct locations to `configure'; however, many packages provide one or | 164 | correct locations to 'configure'; however, many packages provide one or |
166 | both of the following shortcuts of passing variable assignments to the | 165 | both of the following shortcuts of passing variable assignments to the |
167 | `make install' command line to change installation locations without | 166 | 'make install' command line to change installation locations without |
168 | having to reconfigure or recompile. | 167 | having to reconfigure or recompile. |
169 | 168 | ||
170 | The first method involves providing an override variable for each | 169 | The first method involves providing an override variable for each |
171 | affected directory. For example, `make install | 170 | affected directory. For example, 'make install |
172 | prefix=/alternate/directory' will choose an alternate location for all | 171 | prefix=/alternate/directory' will choose an alternate location for all |
173 | directory configuration variables that were expressed in terms of | 172 | directory configuration variables that were expressed in terms of |
174 | `${prefix}'. Any directories that were specified during `configure', | 173 | '${prefix}'. Any directories that were specified during 'configure', |
175 | but not in terms of `${prefix}', must each be overridden at install | 174 | but not in terms of '${prefix}', must each be overridden at install time |
176 | time for the entire installation to be relocated. The approach of | 175 | for the entire installation to be relocated. The approach of makefile |
177 | makefile variable overrides for each directory variable is required by | 176 | variable overrides for each directory variable is required by the GNU |
178 | the GNU Coding Standards, and ideally causes no recompilation. | 177 | Coding Standards, and ideally causes no recompilation. However, some |
179 | However, some platforms have known limitations with the semantics of | 178 | platforms have known limitations with the semantics of shared libraries |
180 | shared libraries that end up requiring recompilation when using this | 179 | that end up requiring recompilation when using this method, particularly |
181 | method, particularly noticeable in packages that use GNU Libtool. | 180 | noticeable in packages that use GNU Libtool. |
182 | 181 | ||
183 | The second method involves providing the `DESTDIR' variable. For | 182 | The second method involves providing the 'DESTDIR' variable. For |
184 | example, `make install DESTDIR=/alternate/directory' will prepend | 183 | example, 'make install DESTDIR=/alternate/directory' will prepend |
185 | `/alternate/directory' before all installation names. The approach of | 184 | '/alternate/directory' before all installation names. The approach of |
186 | `DESTDIR' overrides is not required by the GNU Coding Standards, and | 185 | 'DESTDIR' overrides is not required by the GNU Coding Standards, and |
187 | does not work on platforms that have drive letters. On the other hand, | 186 | does not work on platforms that have drive letters. On the other hand, |
188 | it does better at avoiding recompilation issues, and works well even | 187 | it does better at avoiding recompilation issues, and works well even |
189 | when some directory options were not specified in terms of `${prefix}' | 188 | when some directory options were not specified in terms of '${prefix}' |
190 | at `configure' time. | 189 | at 'configure' time. |
191 | 190 | ||
192 | Optional Features | 191 | Optional Features |
193 | ================= | 192 | ================= |
194 | 193 | ||
195 | If the package supports it, you can cause programs to be installed | 194 | If the package supports it, you can cause programs to be installed |
196 | with an extra prefix or suffix on their names by giving `configure' the | 195 | with an extra prefix or suffix on their names by giving 'configure' the |
197 | option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. | 196 | option '--program-prefix=PREFIX' or '--program-suffix=SUFFIX'. |
198 | 197 | ||
199 | Some packages pay attention to `--enable-FEATURE' options to | 198 | Some packages pay attention to '--enable-FEATURE' options to |
200 | `configure', where FEATURE indicates an optional part of the package. | 199 | 'configure', where FEATURE indicates an optional part of the package. |
201 | They may also pay attention to `--with-PACKAGE' options, where PACKAGE | 200 | They may also pay attention to '--with-PACKAGE' options, where PACKAGE |
202 | is something like `gnu-as' or `x' (for the X Window System). The | 201 | is something like 'gnu-as' or 'x' (for the X Window System). The |
203 | `README' should mention any `--enable-' and `--with-' options that the | 202 | 'README' should mention any '--enable-' and '--with-' options that the |
204 | package recognizes. | 203 | package recognizes. |
205 | 204 | ||
206 | For packages that use the X Window System, `configure' can usually | 205 | For packages that use the X Window System, 'configure' can usually |
207 | find the X include and library files automatically, but if it doesn't, | 206 | find the X include and library files automatically, but if it doesn't, |
208 | you can use the `configure' options `--x-includes=DIR' and | 207 | you can use the 'configure' options '--x-includes=DIR' and |
209 | `--x-libraries=DIR' to specify their locations. | 208 | '--x-libraries=DIR' to specify their locations. |
210 | 209 | ||
211 | Some packages offer the ability to configure how verbose the | 210 | Some packages offer the ability to configure how verbose the |
212 | execution of `make' will be. For these packages, running `./configure | 211 | execution of 'make' will be. For these packages, running './configure |
213 | --enable-silent-rules' sets the default to minimal output, which can be | 212 | --enable-silent-rules' sets the default to minimal output, which can be |
214 | overridden with `make V=1'; while running `./configure | 213 | overridden with 'make V=1'; while running './configure |
215 | --disable-silent-rules' sets the default to verbose, which can be | 214 | --disable-silent-rules' sets the default to verbose, which can be |
216 | overridden with `make V=0'. | 215 | overridden with 'make V=0'. |
217 | 216 | ||
218 | Particular systems | 217 | Particular systems |
219 | ================== | 218 | ================== |
220 | 219 | ||
221 | On HP-UX, the default C compiler is not ANSI C compatible. If GNU | 220 | On HP-UX, the default C compiler is not ANSI C compatible. If GNU CC |
222 | CC is not installed, it is recommended to use the following options in | 221 | is not installed, it is recommended to use the following options in |
223 | order to use an ANSI C compiler: | 222 | order to use an ANSI C compiler: |
224 | 223 | ||
225 | ./configure CC="cc -Ae -D_XOPEN_SOURCE=500" | 224 | ./configure CC="cc -Ae -D_XOPEN_SOURCE=500" |
226 | 225 | ||
227 | and if that doesn't work, install pre-built binaries of GCC for HP-UX. | 226 | and if that doesn't work, install pre-built binaries of GCC for HP-UX. |
228 | 227 | ||
228 | HP-UX 'make' updates targets which have the same time stamps as their | ||
229 | prerequisites, which makes it generally unusable when shipped generated | ||
230 | files such as 'configure' are involved. Use GNU 'make' instead. | ||
231 | |||
229 | On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot | 232 | On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot |
230 | parse its `<wchar.h>' header file. The option `-nodtk' can be used as | 233 | parse its '<wchar.h>' header file. The option '-nodtk' can be used as a |
231 | a workaround. If GNU CC is not installed, it is therefore recommended | 234 | workaround. If GNU CC is not installed, it is therefore recommended to |
232 | to try | 235 | try |
233 | 236 | ||
234 | ./configure CC="cc" | 237 | ./configure CC="cc" |
235 | 238 | ||
@@ -237,26 +240,26 @@ and if that doesn't work, try | |||
237 | 240 | ||
238 | ./configure CC="cc -nodtk" | 241 | ./configure CC="cc -nodtk" |
239 | 242 | ||
240 | On Solaris, don't put `/usr/ucb' early in your `PATH'. This | 243 | On Solaris, don't put '/usr/ucb' early in your 'PATH'. This |
241 | directory contains several dysfunctional programs; working variants of | 244 | directory contains several dysfunctional programs; working variants of |
242 | these programs are available in `/usr/bin'. So, if you need `/usr/ucb' | 245 | these programs are available in '/usr/bin'. So, if you need '/usr/ucb' |
243 | in your `PATH', put it _after_ `/usr/bin'. | 246 | in your 'PATH', put it _after_ '/usr/bin'. |
244 | 247 | ||
245 | On Haiku, software installed for all users goes in `/boot/common', | 248 | On Haiku, software installed for all users goes in '/boot/common', |
246 | not `/usr/local'. It is recommended to use the following options: | 249 | not '/usr/local'. It is recommended to use the following options: |
247 | 250 | ||
248 | ./configure --prefix=/boot/common | 251 | ./configure --prefix=/boot/common |
249 | 252 | ||
250 | Specifying the System Type | 253 | Specifying the System Type |
251 | ========================== | 254 | ========================== |
252 | 255 | ||
253 | There may be some features `configure' cannot figure out | 256 | There may be some features 'configure' cannot figure out |
254 | automatically, but needs to determine by the type of machine the package | 257 | automatically, but needs to determine by the type of machine the package |
255 | will run on. Usually, assuming the package is built to be run on the | 258 | will run on. Usually, assuming the package is built to be run on the |
256 | _same_ architectures, `configure' can figure that out, but if it prints | 259 | _same_ architectures, 'configure' can figure that out, but if it prints |
257 | a message saying it cannot guess the machine type, give it the | 260 | a message saying it cannot guess the machine type, give it the |
258 | `--build=TYPE' option. TYPE can either be a short name for the system | 261 | '--build=TYPE' option. TYPE can either be a short name for the system |
259 | type, such as `sun4', or a canonical name which has the form: | 262 | type, such as 'sun4', or a canonical name which has the form: |
260 | 263 | ||
261 | CPU-COMPANY-SYSTEM | 264 | CPU-COMPANY-SYSTEM |
262 | 265 | ||
@@ -265,101 +268,101 @@ where SYSTEM can have one of these forms: | |||
265 | OS | 268 | OS |
266 | KERNEL-OS | 269 | KERNEL-OS |
267 | 270 | ||
268 | See the file `config.sub' for the possible values of each field. If | 271 | See the file 'config.sub' for the possible values of each field. If |
269 | `config.sub' isn't included in this package, then this package doesn't | 272 | 'config.sub' isn't included in this package, then this package doesn't |
270 | need to know the machine type. | 273 | need to know the machine type. |
271 | 274 | ||
272 | If you are _building_ compiler tools for cross-compiling, you should | 275 | If you are _building_ compiler tools for cross-compiling, you should |
273 | use the option `--target=TYPE' to select the type of system they will | 276 | use the option '--target=TYPE' to select the type of system they will |
274 | produce code for. | 277 | produce code for. |
275 | 278 | ||
276 | If you want to _use_ a cross compiler, that generates code for a | 279 | If you want to _use_ a cross compiler, that generates code for a |
277 | platform different from the build platform, you should specify the | 280 | platform different from the build platform, you should specify the |
278 | "host" platform (i.e., that on which the generated programs will | 281 | "host" platform (i.e., that on which the generated programs will |
279 | eventually be run) with `--host=TYPE'. | 282 | eventually be run) with '--host=TYPE'. |
280 | 283 | ||
281 | Sharing Defaults | 284 | Sharing Defaults |
282 | ================ | 285 | ================ |
283 | 286 | ||
284 | If you want to set default values for `configure' scripts to share, | 287 | If you want to set default values for 'configure' scripts to share, |
285 | you can create a site shell script called `config.site' that gives | 288 | you can create a site shell script called 'config.site' that gives |
286 | default values for variables like `CC', `cache_file', and `prefix'. | 289 | default values for variables like 'CC', 'cache_file', and 'prefix'. |
287 | `configure' looks for `PREFIX/share/config.site' if it exists, then | 290 | 'configure' looks for 'PREFIX/share/config.site' if it exists, then |
288 | `PREFIX/etc/config.site' if it exists. Or, you can set the | 291 | 'PREFIX/etc/config.site' if it exists. Or, you can set the |
289 | `CONFIG_SITE' environment variable to the location of the site script. | 292 | 'CONFIG_SITE' environment variable to the location of the site script. |
290 | A warning: not all `configure' scripts look for a site script. | 293 | A warning: not all 'configure' scripts look for a site script. |
291 | 294 | ||
292 | Defining Variables | 295 | Defining Variables |
293 | ================== | 296 | ================== |
294 | 297 | ||
295 | Variables not defined in a site shell script can be set in the | 298 | Variables not defined in a site shell script can be set in the |
296 | environment passed to `configure'. However, some packages may run | 299 | environment passed to 'configure'. However, some packages may run |
297 | configure again during the build, and the customized values of these | 300 | configure again during the build, and the customized values of these |
298 | variables may be lost. In order to avoid this problem, you should set | 301 | variables may be lost. In order to avoid this problem, you should set |
299 | them in the `configure' command line, using `VAR=value'. For example: | 302 | them in the 'configure' command line, using 'VAR=value'. For example: |
300 | 303 | ||
301 | ./configure CC=/usr/local2/bin/gcc | 304 | ./configure CC=/usr/local2/bin/gcc |
302 | 305 | ||
303 | causes the specified `gcc' to be used as the C compiler (unless it is | 306 | causes the specified 'gcc' to be used as the C compiler (unless it is |
304 | overridden in the site shell script). | 307 | overridden in the site shell script). |
305 | 308 | ||
306 | Unfortunately, this technique does not work for `CONFIG_SHELL' due to | 309 | Unfortunately, this technique does not work for 'CONFIG_SHELL' due to an |
307 | an Autoconf bug. Until the bug is fixed you can use this workaround: | 310 | Autoconf limitation. Until the limitation is lifted, you can use this |
311 | workaround: | ||
308 | 312 | ||
309 | CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash | 313 | CONFIG_SHELL=/bin/bash ./configure CONFIG_SHELL=/bin/bash |
310 | 314 | ||
311 | `configure' Invocation | 315 | 'configure' Invocation |
312 | ====================== | 316 | ====================== |
313 | 317 | ||
314 | `configure' recognizes the following options to control how it | 318 | 'configure' recognizes the following options to control how it |
315 | operates. | 319 | operates. |
316 | 320 | ||
317 | `--help' | 321 | '--help' |
318 | `-h' | 322 | '-h' |
319 | Print a summary of all of the options to `configure', and exit. | 323 | Print a summary of all of the options to 'configure', and exit. |
320 | 324 | ||
321 | `--help=short' | 325 | '--help=short' |
322 | `--help=recursive' | 326 | '--help=recursive' |
323 | Print a summary of the options unique to this package's | 327 | Print a summary of the options unique to this package's |
324 | `configure', and exit. The `short' variant lists options used | 328 | 'configure', and exit. The 'short' variant lists options used only |
325 | only in the top level, while the `recursive' variant lists options | 329 | in the top level, while the 'recursive' variant lists options also |
326 | also present in any nested packages. | 330 | present in any nested packages. |
327 | 331 | ||
328 | `--version' | 332 | '--version' |
329 | `-V' | 333 | '-V' |
330 | Print the version of Autoconf used to generate the `configure' | 334 | Print the version of Autoconf used to generate the 'configure' |
331 | script, and exit. | 335 | script, and exit. |
332 | 336 | ||
333 | `--cache-file=FILE' | 337 | '--cache-file=FILE' |
334 | Enable the cache: use and save the results of the tests in FILE, | 338 | Enable the cache: use and save the results of the tests in FILE, |
335 | traditionally `config.cache'. FILE defaults to `/dev/null' to | 339 | traditionally 'config.cache'. FILE defaults to '/dev/null' to |
336 | disable caching. | 340 | disable caching. |
337 | 341 | ||
338 | `--config-cache' | 342 | '--config-cache' |
339 | `-C' | 343 | '-C' |
340 | Alias for `--cache-file=config.cache'. | 344 | Alias for '--cache-file=config.cache'. |
341 | 345 | ||
342 | `--quiet' | 346 | '--quiet' |
343 | `--silent' | 347 | '--silent' |
344 | `-q' | 348 | '-q' |
345 | Do not print messages saying which checks are being made. To | 349 | Do not print messages saying which checks are being made. To |
346 | suppress all normal output, redirect it to `/dev/null' (any error | 350 | suppress all normal output, redirect it to '/dev/null' (any error |
347 | messages will still be shown). | 351 | messages will still be shown). |
348 | 352 | ||
349 | `--srcdir=DIR' | 353 | '--srcdir=DIR' |
350 | Look for the package's source code in directory DIR. Usually | 354 | Look for the package's source code in directory DIR. Usually |
351 | `configure' can determine that directory automatically. | 355 | 'configure' can determine that directory automatically. |
352 | 356 | ||
353 | `--prefix=DIR' | 357 | '--prefix=DIR' |
354 | Use DIR as the installation prefix. *note Installation Names:: | 358 | Use DIR as the installation prefix. *note Installation Names:: for |
355 | for more details, including other options available for fine-tuning | 359 | more details, including other options available for fine-tuning the |
356 | the installation locations. | 360 | installation locations. |
357 | 361 | ||
358 | `--no-create' | 362 | '--no-create' |
359 | `-n' | 363 | '-n' |
360 | Run the configure checks, but stop before creating any output | 364 | Run the configure checks, but stop before creating any output |
361 | files. | 365 | files. |
362 | 366 | ||
363 | `configure' also accepts some other, not widely useful, options. Run | 367 | 'configure' also accepts some other, not widely useful, options. Run |
364 | `configure --help' for more details. | 368 | 'configure --help' for more details. |
365 | |||