Annotation of embedaddon/libiconv/libcharset/INSTALL.generic, revision 1.1
1.1 ! misho 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.ac' is used to create `configure' by a program
! 23: called `autoconf'. You only need `configure.ac' 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: On MacOS X 10.5 and later systems, you can create libraries and
! 85: executables that work on multiple system types--known as "fat" or
! 86: "universal" binaries--by specifying multiple '-arch' options to the
! 87: compiler but only a single '-arch' option to the preprocessor. Like
! 88: this:
! 89:
! 90: ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
! 91: CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
! 92: CPP="gcc -E" CXXCPP="g++ -E"
! 93:
! 94: This is not guaranteed to produce working output in all cases. You
! 95: may have to build one architecture at a time and combine the results
! 96: using the 'lipo' tool if you have problems.
! 97:
! 98: Installation Names
! 99: ==================
! 100:
! 101: By default, `make install' will install the package's files in
! 102: `/usr/local/bin', `/usr/local/man', etc. You can specify an
! 103: installation prefix other than `/usr/local' by giving `configure' the
! 104: option `--prefix=PATH'.
! 105:
! 106: You can specify separate installation prefixes for
! 107: architecture-specific files and architecture-independent files. If you
! 108: give `configure' the option `--exec-prefix=PATH', the package will use
! 109: PATH as the prefix for installing programs and libraries.
! 110: Documentation and other data files will still use the regular prefix.
! 111:
! 112: In addition, if you use an unusual directory layout you can give
! 113: options like `--bindir=PATH' to specify different values for particular
! 114: kinds of files. Run `configure --help' for a list of the directories
! 115: you can set and what kinds of files go in them.
! 116:
! 117: If the package supports it, you can cause programs to be installed
! 118: with an extra prefix or suffix on their names by giving `configure' the
! 119: option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
! 120:
! 121: Relocatable Installation
! 122: ========================
! 123:
! 124: By default, `make install' will install a package with hardwired
! 125: file names, and the package will not work correctly when copied or
! 126: moved to a different location in the filesystem.
! 127:
! 128: Some packages pay attention to the `--enable-relocatable' option to
! 129: `configure'. This option makes the entire installed package
! 130: relocatable. This means, it can be moved or copied to a different
! 131: location on the filesystem. It is possible to make symlinks to the
! 132: installed and moved programs, and invoke them through the symlink. It
! 133: is possible to do the same thing with a hard link _only_ if the hard
! 134: linked file is in the same directory as the real program.
! 135:
! 136: For reliability it is best to give together with --enable-relocatable
! 137: a `--prefix' option pointing to an otherwise unused (and never used
! 138: again) directory, for example, `--prefix=/tmp/inst$$'. This is
! 139: recommended because on some OSes the executables remember the location
! 140: of shared libraries (and prefer them over LD_LIBRARY_PATH !), therefore
! 141: such an executable will look for its shared libraries first in the
! 142: original installation directory and only then in the current
! 143: installation directory.
! 144:
! 145: Installation with `--enable-relocatable' will not work for setuid /
! 146: setgid executables. (This is because such an executable kills its
! 147: LD_LIBRARY_PATH variable when it is launched.)
! 148:
! 149: The runtime penalty and size penalty are nearly zero on Linux 2.2 or
! 150: newer (just one system call more when an executable is launched), and
! 151: small on other systems (the wrapper program just sets an environment
! 152: variable and execs the real program).
! 153:
! 154: Optional Features
! 155: =================
! 156:
! 157: Some packages pay attention to `--enable-FEATURE' options to
! 158: `configure', where FEATURE indicates an optional part of the package.
! 159: They may also pay attention to `--with-PACKAGE' options, where PACKAGE
! 160: is something like `gnu-as' or `x' (for the X Window System). The
! 161: `README' should mention any `--enable-' and `--with-' options that the
! 162: package recognizes.
! 163:
! 164: For packages that use the X Window System, `configure' can usually
! 165: find the X include and library files automatically, but if it doesn't,
! 166: you can use the `configure' options `--x-includes=DIR' and
! 167: `--x-libraries=DIR' to specify their locations.
! 168:
! 169: For packages that use the GNU libiconv library, you can use the
! 170: `configure' option `--with-libiconv-prefix' to specify the prefix you
! 171: used while installing GNU libiconv. This option is not necessary if
! 172: that other prefix is the same as the one now specified through --prefix.
! 173:
! 174: For packages that use the GNU libintl library, you can use the
! 175: `configure' option `--with-libintl-prefix' to specify the prefix you
! 176: used while installing GNU gettext-runtime. This option is not necessary if
! 177: that other prefix is the same as the one now specified through --prefix.
! 178:
! 179: Particular Systems
! 180: ==================
! 181:
! 182: On HP-UX, the default C compiler is not ANSI C compatible. If GNU CC
! 183: is not installed, it is recommended to use the following options in order
! 184: to use an ANSI C compiler:
! 185:
! 186: ./configure CC="cc -Ae -D_XOPEN_SOURCE=500"
! 187:
! 188: and if that doesn't work, install pre-built binaries of GCC for HP-UX.
! 189:
! 190: On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
! 191: parse its `<wchar.h>' header file. The option `-nodtk' can be used as
! 192: a workaround. If GNU CC is not installed, it is therefore recommended
! 193: to try
! 194:
! 195: ./configure CC="cc"
! 196:
! 197: and if that doesn't work, try
! 198:
! 199: ./configure CC="cc -nodtk"
! 200:
! 201: On AIX 3, the C include files by default don't define some necessary
! 202: prototype declarations. If GNU CC is not installed, it is recommended to
! 203: use the following options:
! 204:
! 205: ./configure CC="xlc -D_ALL_SOURCE"
! 206:
! 207: On BeOS, user installed software goes in /boot/home/config, not
! 208: /usr/local. It is recommended to use the following options:
! 209:
! 210: ./configure --prefix=/boot/home/config
! 211:
! 212: Specifying the System Type
! 213: ==========================
! 214:
! 215: There may be some features `configure' can not figure out
! 216: automatically, but needs to determine by the type of host the package
! 217: will run on. Usually `configure' can figure that out, but if it prints
! 218: a message saying it can not guess the host type, give it the
! 219: `--host=TYPE' option. TYPE can either be a short name for the system
! 220: type, such as `sun4', or a canonical name with three fields:
! 221: CPU-COMPANY-SYSTEM
! 222:
! 223: See the file `config.sub' for the possible values of each field. If
! 224: `config.sub' isn't included in this package, then this package doesn't
! 225: need to know the host type.
! 226:
! 227: If you are building compiler tools for cross-compiling, you can also
! 228: use the `--target=TYPE' option to select the type of system they will
! 229: produce code for and the `--build=TYPE' option to select the type of
! 230: system on which you are compiling the package.
! 231:
! 232: Sharing Defaults
! 233: ================
! 234:
! 235: If you want to set default values for `configure' scripts to share,
! 236: you can create a site shell script called `config.site' that gives
! 237: default values for variables like `CC', `cache_file', and `prefix'.
! 238: `configure' looks for `PREFIX/share/config.site' if it exists, then
! 239: `PREFIX/etc/config.site' if it exists. Or, you can set the
! 240: `CONFIG_SITE' environment variable to the location of the site script.
! 241: A warning: not all `configure' scripts look for a site script.
! 242:
! 243: Operation Controls
! 244: ==================
! 245:
! 246: `configure' recognizes the following options to control how it
! 247: operates.
! 248:
! 249: `--cache-file=FILE'
! 250: Use and save the results of the tests in FILE instead of
! 251: `./config.cache'. Set FILE to `/dev/null' to disable caching, for
! 252: debugging `configure'.
! 253:
! 254: `--help'
! 255: Print a summary of the options to `configure', and exit.
! 256:
! 257: `--quiet'
! 258: `--silent'
! 259: `-q'
! 260: Do not print messages saying which checks are being made. To
! 261: suppress all normal output, redirect it to `/dev/null' (any error
! 262: messages will still be shown).
! 263:
! 264: `--srcdir=DIR'
! 265: Look for the package's source code in directory DIR. Usually
! 266: `configure' can determine that directory automatically.
! 267:
! 268: `--version'
! 269: Print the version of Autoconf used to generate the `configure'
! 270: script, and exit.
! 271:
! 272: `configure' also accepts some other, not widely useful, options.
! 273:
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