INSTALL revision c41d98af
1c41d98afSmrgInstallation Instructions 2c41d98afSmrg************************* 3c41d98afSmrg 4c41d98afSmrgCopyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005, 5c41d98afSmrg2006, 2007, 2008 Free Software Foundation, Inc. 6c41d98afSmrg 7c41d98afSmrg This file is free documentation; the Free Software Foundation gives 8c41d98afSmrgunlimited permission to copy, distribute and modify it. 9c41d98afSmrg 10c41d98afSmrgBasic Installation 11c41d98afSmrg================== 12c41d98afSmrg 13c41d98afSmrg Briefly, the shell commands `./configure; make; make install' should 14c41d98afSmrgconfigure, build, and install this package. The following 15c41d98afSmrgmore-detailed instructions are generic; see the `README' file for 16c41d98afSmrginstructions specific to this package. 17c41d98afSmrg 18c41d98afSmrg The `configure' shell script attempts to guess correct values for 19c41d98afSmrgvarious system-dependent variables used during compilation. It uses 20c41d98afSmrgthose values to create a `Makefile' in each directory of the package. 21c41d98afSmrgIt may also create one or more `.h' files containing system-dependent 22c41d98afSmrgdefinitions. Finally, it creates a shell script `config.status' that 23c41d98afSmrgyou can run in the future to recreate the current configuration, and a 24c41d98afSmrgfile `config.log' containing compiler output (useful mainly for 25c41d98afSmrgdebugging `configure'). 26c41d98afSmrg 27c41d98afSmrg It can also use an optional file (typically called `config.cache' 28c41d98afSmrgand enabled with `--cache-file=config.cache' or simply `-C') that saves 29c41d98afSmrgthe results of its tests to speed up reconfiguring. Caching is 30c41d98afSmrgdisabled by default to prevent problems with accidental use of stale 31c41d98afSmrgcache files. 32c41d98afSmrg 33c41d98afSmrg If you need to do unusual things to compile the package, please try 34c41d98afSmrgto figure out how `configure' could check whether to do them, and mail 35c41d98afSmrgdiffs or instructions to the address given in the `README' so they can 36c41d98afSmrgbe considered for the next release. If you are using the cache, and at 37c41d98afSmrgsome point `config.cache' contains results you don't want to keep, you 38c41d98afSmrgmay remove or edit it. 39c41d98afSmrg 40c41d98afSmrg The file `configure.ac' (or `configure.in') is used to create 41c41d98afSmrg`configure' by a program called `autoconf'. You need `configure.ac' if 42c41d98afSmrgyou want to change it or regenerate `configure' using a newer version 43c41d98afSmrgof `autoconf'. 44c41d98afSmrg 45c41d98afSmrgThe simplest way to compile this package is: 46c41d98afSmrg 47c41d98afSmrg 1. `cd' to the directory containing the package's source code and type 48c41d98afSmrg `./configure' to configure the package for your system. 49c41d98afSmrg 50c41d98afSmrg Running `configure' might take a while. While running, it prints 51c41d98afSmrg some messages telling which features it is checking for. 52c41d98afSmrg 53c41d98afSmrg 2. Type `make' to compile the package. 54c41d98afSmrg 55c41d98afSmrg 3. Optionally, type `make check' to run any self-tests that come with 56c41d98afSmrg the package. 57c41d98afSmrg 58c41d98afSmrg 4. Type `make install' to install the programs and any data files and 59c41d98afSmrg documentation. 60c41d98afSmrg 61c41d98afSmrg 5. You can remove the program binaries and object files from the 62c41d98afSmrg source code directory by typing `make clean'. To also remove the 63c41d98afSmrg files that `configure' created (so you can compile the package for 64c41d98afSmrg a different kind of computer), type `make distclean'. There is 65c41d98afSmrg also a `make maintainer-clean' target, but that is intended mainly 66c41d98afSmrg for the package's developers. If you use it, you may have to get 67c41d98afSmrg all sorts of other programs in order to regenerate files that came 68c41d98afSmrg with the distribution. 69c41d98afSmrg 70c41d98afSmrg 6. Often, you can also type `make uninstall' to remove the installed 71c41d98afSmrg files again. 72c41d98afSmrg 73c41d98afSmrgCompilers and Options 74c41d98afSmrg===================== 75c41d98afSmrg 76c41d98afSmrg Some systems require unusual options for compilation or linking that 77c41d98afSmrgthe `configure' script does not know about. Run `./configure --help' 78c41d98afSmrgfor details on some of the pertinent environment variables. 79c41d98afSmrg 80c41d98afSmrg You can give `configure' initial values for configuration parameters 81c41d98afSmrgby setting variables in the command line or in the environment. Here 82c41d98afSmrgis an example: 83c41d98afSmrg 84c41d98afSmrg ./configure CC=c99 CFLAGS=-g LIBS=-lposix 85c41d98afSmrg 86c41d98afSmrg *Note Defining Variables::, for more details. 87c41d98afSmrg 88c41d98afSmrgCompiling For Multiple Architectures 89c41d98afSmrg==================================== 90c41d98afSmrg 91c41d98afSmrg You can compile the package for more than one kind of computer at the 92c41d98afSmrgsame time, by placing the object files for each architecture in their 93c41d98afSmrgown directory. To do this, you can use GNU `make'. `cd' to the 94c41d98afSmrgdirectory where you want the object files and executables to go and run 95c41d98afSmrgthe `configure' script. `configure' automatically checks for the 96c41d98afSmrgsource code in the directory that `configure' is in and in `..'. 97c41d98afSmrg 98c41d98afSmrg With a non-GNU `make', it is safer to compile the package for one 99c41d98afSmrgarchitecture at a time in the source code directory. After you have 100c41d98afSmrginstalled the package for one architecture, use `make distclean' before 101c41d98afSmrgreconfiguring for another architecture. 102c41d98afSmrg 103c41d98afSmrg On MacOS X 10.5 and later systems, you can create libraries and 104c41d98afSmrgexecutables that work on multiple system types--known as "fat" or 105c41d98afSmrg"universal" binaries--by specifying multiple `-arch' options to the 106c41d98afSmrgcompiler but only a single `-arch' option to the preprocessor. Like 107c41d98afSmrgthis: 108c41d98afSmrg 109c41d98afSmrg ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ 110c41d98afSmrg CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ 111c41d98afSmrg CPP="gcc -E" CXXCPP="g++ -E" 112c41d98afSmrg 113c41d98afSmrg This is not guaranteed to produce working output in all cases, you 114c41d98afSmrgmay have to build one architecture at a time and combine the results 115c41d98afSmrgusing the `lipo' tool if you have problems. 116c41d98afSmrg 117c41d98afSmrgInstallation Names 118c41d98afSmrg================== 119c41d98afSmrg 120c41d98afSmrg By default, `make install' installs the package's commands under 121c41d98afSmrg`/usr/local/bin', include files under `/usr/local/include', etc. You 122c41d98afSmrgcan specify an installation prefix other than `/usr/local' by giving 123c41d98afSmrg`configure' the option `--prefix=PREFIX'. 124c41d98afSmrg 125c41d98afSmrg You can specify separate installation prefixes for 126c41d98afSmrgarchitecture-specific files and architecture-independent files. If you 127c41d98afSmrgpass the option `--exec-prefix=PREFIX' to `configure', the package uses 128c41d98afSmrgPREFIX as the prefix for installing programs and libraries. 129c41d98afSmrgDocumentation and other data files still use the regular prefix. 130c41d98afSmrg 131c41d98afSmrg In addition, if you use an unusual directory layout you can give 132c41d98afSmrgoptions like `--bindir=DIR' to specify different values for particular 133c41d98afSmrgkinds of files. Run `configure --help' for a list of the directories 134c41d98afSmrgyou can set and what kinds of files go in them. 135c41d98afSmrg 136c41d98afSmrg If the package supports it, you can cause programs to be installed 137c41d98afSmrgwith an extra prefix or suffix on their names by giving `configure' the 138c41d98afSmrgoption `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. 139c41d98afSmrg 140c41d98afSmrgOptional Features 141c41d98afSmrg================= 142c41d98afSmrg 143c41d98afSmrg Some packages pay attention to `--enable-FEATURE' options to 144c41d98afSmrg`configure', where FEATURE indicates an optional part of the package. 145c41d98afSmrgThey may also pay attention to `--with-PACKAGE' options, where PACKAGE 146c41d98afSmrgis something like `gnu-as' or `x' (for the X Window System). The 147c41d98afSmrg`README' should mention any `--enable-' and `--with-' options that the 148c41d98afSmrgpackage recognizes. 149c41d98afSmrg 150c41d98afSmrg For packages that use the X Window System, `configure' can usually 151c41d98afSmrgfind the X include and library files automatically, but if it doesn't, 152c41d98afSmrgyou can use the `configure' options `--x-includes=DIR' and 153c41d98afSmrg`--x-libraries=DIR' to specify their locations. 154c41d98afSmrg 155c41d98afSmrgParticular systems 156c41d98afSmrg================== 157c41d98afSmrg 158c41d98afSmrg On HP-UX, the default C compiler is not ANSI C compatible. If GNU 159c41d98afSmrgCC is not installed, it is recommended to use the following options in 160c41d98afSmrgorder to use an ANSI C compiler: 161c41d98afSmrg 162c41d98afSmrg ./configure CC="cc -Ae" 163c41d98afSmrg 164c41d98afSmrgand if that doesn't work, install pre-built binaries of GCC for HP-UX. 165c41d98afSmrg 166c41d98afSmrg On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot 167c41d98afSmrgparse its `<wchar.h>' header file. The option `-nodtk' can be used as 168c41d98afSmrga workaround. If GNU CC is not installed, it is therefore recommended 169c41d98afSmrgto try 170c41d98afSmrg 171c41d98afSmrg ./configure CC="cc" 172c41d98afSmrg 173c41d98afSmrgand if that doesn't work, try 174c41d98afSmrg 175c41d98afSmrg ./configure CC="cc -nodtk" 176c41d98afSmrg 177c41d98afSmrgSpecifying the System Type 178c41d98afSmrg========================== 179c41d98afSmrg 180c41d98afSmrg There may be some features `configure' cannot figure out 181c41d98afSmrgautomatically, but needs to determine by the type of machine the package 182c41d98afSmrgwill run on. Usually, assuming the package is built to be run on the 183c41d98afSmrg_same_ architectures, `configure' can figure that out, but if it prints 184c41d98afSmrga message saying it cannot guess the machine type, give it the 185c41d98afSmrg`--build=TYPE' option. TYPE can either be a short name for the system 186c41d98afSmrgtype, such as `sun4', or a canonical name which has the form: 187c41d98afSmrg 188c41d98afSmrg CPU-COMPANY-SYSTEM 189c41d98afSmrg 190c41d98afSmrgwhere SYSTEM can have one of these forms: 191c41d98afSmrg 192c41d98afSmrg OS KERNEL-OS 193c41d98afSmrg 194c41d98afSmrg See the file `config.sub' for the possible values of each field. If 195c41d98afSmrg`config.sub' isn't included in this package, then this package doesn't 196c41d98afSmrgneed to know the machine type. 197c41d98afSmrg 198c41d98afSmrg If you are _building_ compiler tools for cross-compiling, you should 199c41d98afSmrguse the option `--target=TYPE' to select the type of system they will 200c41d98afSmrgproduce code for. 201c41d98afSmrg 202c41d98afSmrg If you want to _use_ a cross compiler, that generates code for a 203c41d98afSmrgplatform different from the build platform, you should specify the 204c41d98afSmrg"host" platform (i.e., that on which the generated programs will 205c41d98afSmrgeventually be run) with `--host=TYPE'. 206c41d98afSmrg 207c41d98afSmrgSharing Defaults 208c41d98afSmrg================ 209c41d98afSmrg 210c41d98afSmrg If you want to set default values for `configure' scripts to share, 211c41d98afSmrgyou can create a site shell script called `config.site' that gives 212c41d98afSmrgdefault values for variables like `CC', `cache_file', and `prefix'. 213c41d98afSmrg`configure' looks for `PREFIX/share/config.site' if it exists, then 214c41d98afSmrg`PREFIX/etc/config.site' if it exists. Or, you can set the 215c41d98afSmrg`CONFIG_SITE' environment variable to the location of the site script. 216c41d98afSmrgA warning: not all `configure' scripts look for a site script. 217c41d98afSmrg 218c41d98afSmrgDefining Variables 219c41d98afSmrg================== 220c41d98afSmrg 221c41d98afSmrg Variables not defined in a site shell script can be set in the 222c41d98afSmrgenvironment passed to `configure'. However, some packages may run 223c41d98afSmrgconfigure again during the build, and the customized values of these 224c41d98afSmrgvariables may be lost. In order to avoid this problem, you should set 225c41d98afSmrgthem in the `configure' command line, using `VAR=value'. For example: 226c41d98afSmrg 227c41d98afSmrg ./configure CC=/usr/local2/bin/gcc 228c41d98afSmrg 229c41d98afSmrgcauses the specified `gcc' to be used as the C compiler (unless it is 230c41d98afSmrgoverridden in the site shell script). 231c41d98afSmrg 232c41d98afSmrgUnfortunately, this technique does not work for `CONFIG_SHELL' due to 233c41d98afSmrgan Autoconf bug. Until the bug is fixed you can use this workaround: 234c41d98afSmrg 235c41d98afSmrg CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash 236c41d98afSmrg 237c41d98afSmrg`configure' Invocation 238c41d98afSmrg====================== 239c41d98afSmrg 240c41d98afSmrg `configure' recognizes the following options to control how it 241c41d98afSmrgoperates. 242c41d98afSmrg 243c41d98afSmrg`--help' 244c41d98afSmrg`-h' 245c41d98afSmrg Print a summary of all of the options to `configure', and exit. 246c41d98afSmrg 247c41d98afSmrg`--help=short' 248c41d98afSmrg`--help=recursive' 249c41d98afSmrg Print a summary of the options unique to this package's 250c41d98afSmrg `configure', and exit. The `short' variant lists options used 251c41d98afSmrg only in the top level, while the `recursive' variant lists options 252c41d98afSmrg also present in any nested packages. 253c41d98afSmrg 254c41d98afSmrg`--version' 255c41d98afSmrg`-V' 256c41d98afSmrg Print the version of Autoconf used to generate the `configure' 257c41d98afSmrg script, and exit. 258c41d98afSmrg 259c41d98afSmrg`--cache-file=FILE' 260c41d98afSmrg Enable the cache: use and save the results of the tests in FILE, 261c41d98afSmrg traditionally `config.cache'. FILE defaults to `/dev/null' to 262c41d98afSmrg disable caching. 263c41d98afSmrg 264c41d98afSmrg`--config-cache' 265c41d98afSmrg`-C' 266c41d98afSmrg Alias for `--cache-file=config.cache'. 267c41d98afSmrg 268c41d98afSmrg`--quiet' 269c41d98afSmrg`--silent' 270c41d98afSmrg`-q' 271c41d98afSmrg Do not print messages saying which checks are being made. To 272c41d98afSmrg suppress all normal output, redirect it to `/dev/null' (any error 273c41d98afSmrg messages will still be shown). 274c41d98afSmrg 275c41d98afSmrg`--srcdir=DIR' 276c41d98afSmrg Look for the package's source code in directory DIR. Usually 277c41d98afSmrg `configure' can determine that directory automatically. 278c41d98afSmrg 279c41d98afSmrg`--prefix=DIR' 280c41d98afSmrg Use DIR as the installation prefix. *Note Installation Names:: 281c41d98afSmrg for more details, including other options available for fine-tuning 282c41d98afSmrg the installation locations. 283c41d98afSmrg 284c41d98afSmrg`--no-create' 285c41d98afSmrg`-n' 286c41d98afSmrg Run the configure checks, but stop before creating any output 287c41d98afSmrg files. 288c41d98afSmrg 289c41d98afSmrg`configure' also accepts some other, not widely useful, options. Run 290c41d98afSmrg`configure --help' for more details. 291c41d98afSmrg 292