Introduction============  This installation guide is for UNIX (Autoconf) systems.  For DOS, Windows and OS/2 please read the file b/00readme.txt.  Quick start  -----------    ./configure    make    make check    make test     (run a full test)    make install  (when logged in as root)  The makefiles should work with most versions of `make' - in  case of troubles I recommend using GNU make.  Shared libraries  ----------------  LZO uses Libtool so that shared libraries are supported on  many systems. If you want to build shared libraries type  `./configure --enable-shared'.  Assembler versions  ------------------  Assembler versions of the decompressors are built by default on  i386 systems that use GNU C. If your system does not use `gas' or  there are some other problems (e.g. in combination with shared libraries)  you can disable them by typing `./configure --disable-asm'.Basic Installation==================   These are generic installation instructions.   The `configure' shell script attempts to guess correct values forvarious system-dependent variables used during compilation.  It usesthose values to create a `Makefile' in each directory of the package.It may also create one or more `.h' files containing system-dependentdefinitions.  Finally, it creates a shell script `config.status' thatyou can run in the future to recreate the current configuration, a file`config.cache' that saves the results of its tests to speed upreconfiguring, and a file `config.log' containing compiler output(useful mainly for debugging `configure').   If you need to do unusual things to compile the package, please tryto figure out how `configure' could check whether to do them, and maildiffs or instructions to the address given in the `README' so they canbe considered for the next release.  If at some point `config.cache'contains results you don't want to keep, you may remove or edit it.   The file `configure.in' is used to create `configure' by a programcalled `autoconf'.  You only need `configure.in' if you want to changeit or regenerate `configure' using a newer version of `autoconf'.The simplest way to compile this package is:  1. `cd' to the directory containing the package's source code and type     `./configure' to configure the package for your system.  If you're     using `csh' on an old version of System V, you might need to type     `sh ./configure' instead to prevent `csh' from trying to execute     `configure' itself.     Running `configure' takes awhile.  While running, it prints some     messages telling which features it is checking for.  2. Type `make' to compile the package.  3. Optionally, type `make check' to run any self-tests that come with     the package.  4. Type `make install' to install the programs and any data files and     documentation.  5. You can remove the program binaries and object files from the     source code directory by typing `make clean'.  To also remove the     files that `configure' created (so you can compile the package for     a different kind of computer), type `make distclean'.  There is     also a `make maintainer-clean' target, but that is intended mainly     for the package's developers.  If you use it, you may have to get     all sorts of other programs in order to regenerate files that came     with the distribution.Compilers and Options=====================   Some systems require unusual options for compilation or linking thatthe `configure' script does not know about.  You can give `configure'initial values for variables by setting them in the environment.  Usinga Bourne-compatible shell, you can do that on the command line likethis:     CC=c89 CFLAGS=-O2 LIBS=-lposix ./configureOr on systems that have the `env' program, you can do it like this:     env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configureInstallation Names==================   By default, `make install' will install the package's files in`/usr/local/bin', `/usr/local/man', etc.  You can specify aninstallation prefix other than `/usr/local' by giving `configure' theoption `--prefix=PATH'.   You can specify separate installation prefixes forarchitecture-specific files and architecture-independent files.  If yougive `configure' the option `--exec-prefix=PATH', the package will usePATH as the prefix for installing programs and libraries.Documentation and other data files will still use the regular prefix.   In addition, if you use an unusual directory layout you can giveoptions like `--bindir=PATH' to specify different values for particularkinds of files.  Run `configure --help' for a list of the directoriesyou can set and what kinds of files go in them.   If the package supports it, you can cause programs to be installedwith an extra prefix or suffix on their names by giving `configure' theoption `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.Optional Features=================   Some packages pay attention to `--enable-FEATURE' options to`configure', where FEATURE indicates an optional part of the package.They may also pay attention to `--with-PACKAGE' options, where PACKAGEis something like `gnu-as' or `x' (for the X Window System).  The`README' should mention any `--enable-' and `--with-' options that thepackage recognizes.   For packages that use the X Window System, `configure' can usuallyfind the X include and library files automatically, but if it doesn't,you can use the `configure' options `--x-includes=DIR' and`--x-libraries=DIR' to specify their locations.Specifying the System Type==========================   There may be some features `configure' can not figure outautomatically, but needs to determine by the type of host the packagewill run on.  Usually `configure' can figure that out, but if it printsa message saying it can not guess the host type, give it the`--host=TYPE' option.  TYPE can either be a short name for the systemtype, such as `sun4', or a canonical name with three fields:     CPU-COMPANY-SYSTEMSee the file `config.sub' for the possible values of each field.  If`config.sub' isn't included in this package, then this package doesn'tneed to know the host type.   If you are building compiler tools for cross-compiling, you can alsouse the `--target=TYPE' option to select the type of system they willproduce code for and the `--build=TYPE' option to select the type ofsystem on which you are compiling the package.Sharing Defaults================   If you want to set default values for `configure' scripts to share,you can create a site shell script called `config.site' that givesdefault values for variables like `CC', `cache_file', and `prefix'.`configure' looks for `PREFIX/share/config.site' if it exists, then`PREFIX/etc/config.site' if it exists.  Or, you can set the`CONFIG_SITE' environment variable to the location of the site script.A warning: not all `configure' scripts look for a site script.Operation Controls==================   `configure' recognizes the following options to control how itoperates.`--cache-file=FILE'     Use and save the results of the tests in FILE instead of     `./config.cache'.  Set FILE to `/dev/null' to disable caching, for     debugging `configure'.`--help'     Print a summary of the options to `configure', and exit.`--quiet'`--silent'`-q'     Do not print messages saying which checks are being made.  To     suppress all normal output, redirect it to `/dev/null' (any error     messages will still be shown).`--srcdir=DIR'     Look for the package's source code in directory DIR.  Usually     `configure' can determine that directory automatically.`--version'     Print the version of Autoconf used to generate the `configure'     script, and exit.`configure' also accepts some other, not widely useful, options.