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authorAndreas Schneider <mail@cynapses.org>2009-03-28 22:06:36 +0000
committerAndreas Schneider <mail@cynapses.org>2009-03-28 22:06:36 +0000
commit39a5b53eb588e5655565f219242c3b5887074fb4 (patch)
tree521b175d9e2203ab346b936cd0fe02a4351742f9
parentfc8ad69f5ce850f825521ccc1cd38653feca2ed0 (diff)
downloadlibssh-39a5b53eb588e5655565f219242c3b5887074fb4.tar.gz
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Update INSTALL file.
git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@296 7dcaeef0-15fb-0310-b436-a5af3365683c
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diff --git a/INSTALL b/INSTALL
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+++ b/INSTALL
@@ -1,236 +1,72 @@
-Installation Instructions
-*************************
-
-Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005 Free
-Software Foundation, Inc.
-
-This file is free documentation; the Free Software Foundation gives
-unlimited permission to copy, distribute and modify it.
-
-Basic Installation
-==================
-
-These are generic installation instructions.
-
- The `configure' shell script attempts to guess correct values for
-various system-dependent variables used during compilation. It uses
-those values to create a `Makefile' in each directory of the package.
-It may also create one or more `.h' files containing system-dependent
-definitions. Finally, it creates a shell script `config.status' that
-you can run in the future to recreate the current configuration, and a
-file `config.log' containing compiler output (useful mainly for
-debugging `configure').
-
- It can also use an optional file (typically called `config.cache'
-and enabled with `--cache-file=config.cache' or simply `-C') that saves
-the results of its tests to speed up reconfiguring. (Caching is
-disabled by default to prevent problems with accidental use of stale
-cache files.)
-
- If you need to do unusual things to compile the package, please try
-to figure out how `configure' could check whether to do them, and mail
-diffs or instructions to the address given in the `README' so they can
-be considered for the next release. If you are using the cache, and at
-some point `config.cache' contains results you don't want to keep, you
-may remove or edit it.
-
- The file `configure.ac' (or `configure.in') is used to create
-`configure' by a program called `autoconf'. You only need
-`configure.ac' if you want to change it 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 that the
-`configure' script does not know about. Run `./configure --help' for
-details on some of the pertinent environment variables.
-
- You can give `configure' initial values for configuration parameters
-by setting variables in the command line or in the environment. Here
-is an example:
-
- ./configure CC=c89 CFLAGS=-O2 LIBS=-lposix
-
- *Note Defining Variables::, for more details.
-
-Compiling For Multiple Architectures
-====================================
-
-You can compile the package for more than one kind of computer at the
-same time, by placing the object files for each architecture in their
-own directory. To do this, you must use a version of `make' that
-supports the `VPATH' variable, such as GNU `make'. `cd' to the
-directory where you want the object files and executables to go and run
-the `configure' script. `configure' automatically checks for the
-source code in the directory that `configure' is in and in `..'.
-
- If you have to use a `make' that does not support the `VPATH'
-variable, you have to compile the package for one architecture at a
-time in the source code directory. After you have installed the
-package for one architecture, use `make distclean' before reconfiguring
-for another architecture.
-
-Installation Names
-==================
-
-By default, `make install' installs the package's commands under
-`/usr/local/bin', include files under `/usr/local/include', etc. You
-can specify an installation prefix other than `/usr/local' by giving
-`configure' the option `--prefix=PREFIX'.
-
- You can specify separate installation prefixes for
-architecture-specific files and architecture-independent files. If you
-pass the option `--exec-prefix=PREFIX' to `configure', the package uses
-PREFIX as the prefix for installing programs and libraries.
-Documentation and other data files still use the regular prefix.
-
- In addition, if you use an unusual directory layout you can give
-options like `--bindir=DIR' to specify different values for particular
-kinds of files. Run `configure --help' for a list of the directories
-you can set and what kinds of files go in them.
-
- If the package supports it, you can cause programs to be installed
-with an extra prefix or suffix on their names by giving `configure' the
-option `--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 PACKAGE
-is something like `gnu-as' or `x' (for the X Window System). The
-`README' should mention any `--enable-' and `--with-' options that the
-package recognizes.
-
- For packages that use the X Window System, `configure' can usually
-find 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.
+# How to build from source
-Specifying the System Type
-==========================
+## Requirements
-There may be some features `configure' cannot figure out automatically,
-but needs to determine by the type of machine the package will run on.
-Usually, assuming the package is built to be run on the _same_
-architectures, `configure' can figure that out, but if it prints a
-message saying it cannot guess the machine type, give it the
-`--build=TYPE' option. TYPE can either be a short name for the system
-type, such as `sun4', or a canonical name which has the form:
+### Common requirements
- CPU-COMPANY-SYSTEM
+In order to build libssh, you need to install several components:
-where SYSTEM can have one of these forms:
+- A C compiler
+- [CMake](http://www.cmake.org) >= 2.6.0.
+- [openssl](http://www.openssl.org) >= 0.9.8
+- [gcrypt](http://www.gnu.org/directory/Security/libgcrypt.html) >= 1.4
+- [libz](http://www.zlib.net) >= 1.2
- OS KERNEL-OS
-
- See the file `config.sub' for the possible values of each field. If
-`config.sub' isn't included in this package, then this package doesn't
-need to know the machine type.
-
- If you are _building_ compiler tools for cross-compiling, you should
-use the option `--target=TYPE' to select the type of system they will
-produce code for.
-
- If you want to _use_ a cross compiler, that generates code for a
-platform different from the build platform, you should specify the
-"host" platform (i.e., that on which the generated programs will
-eventually be run) with `--host=TYPE'.
+Note that these version numbers are version we know works correctly. If you
+build and run libssh successfully with an older version, please let us know.
-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 gives default
-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.
+## Building
+First, you need to configure the compilation, using CMake. Go inside the
+`build` dir. Create it if it doesn't exist.
-Defining Variables
-==================
-
-Variables not defined in a site shell script can be set in the
-environment passed to `configure'. However, some packages may run
-configure again during the build, and the customized values of these
-variables may be lost. In order to avoid this problem, you should set
-them in the `configure' command line, using `VAR=value'. For example:
-
- ./configure CC=/usr/local2/bin/gcc
-
-causes the specified `gcc' to be used as the C compiler (unless it is
-overridden in the site shell script). Here is a another example:
+GNU/Linux and MacOS X:
- /bin/bash ./configure CONFIG_SHELL=/bin/bash
-
-Here the `CONFIG_SHELL=/bin/bash' operand causes subsequent
-configuration-related scripts to be executed by `/bin/bash'.
+ cmake -DCMAKE_BUILD_TYPE=Debug ..
+ make
-`configure' Invocation
-======================
+### CMake standard options
+Here is a list of the most interesting options provided out of the box by CMake.
-`configure' recognizes the following options to control how it operates.
+- CMAKE_BUILD_TYPE: The type of build (can be Debug Release MinSizeRel RelWithDebInfo)
+- CMAKE_INSTALL_PREFIX: The prefix to use when running make install (Default to
+ /usr/local on GNU/Linux and MacOS X)
+- CMAKE_C_COMPILER: The path to the C compiler
+- CMAKE_CXX_COMPILER: The path to the C++ compiler
-`--help'
-`-h'
- Print a summary of the options to `configure', and exit.
+### CMake options defined for libssh
-`--version'
-`-V'
- Print the version of Autoconf used to generate the `configure'
- script, and exit.
+Options are defined in the following files:
-`--cache-file=FILE'
- Enable the cache: use and save the results of the tests in FILE,
- traditionally `config.cache'. FILE defaults to `/dev/null' to
- disable caching.
+- DefineOptions.cmake
-`--config-cache'
-`-C'
- Alias for `--cache-file=config.cache'.
+They can be changed with the -D option:
-`--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).
+`cmake -DCMAKE_BUILD_TYPE=Debug -DWITH_LIBZ=OFF ..`
-`--srcdir=DIR'
- Look for the package's source code in directory DIR. Usually
- `configure' can determine that directory automatically.
+### Browsing/editing CMake options
-`configure' also accepts some other, not widely useful, options. Run
-`configure --help' for more details.
+In addition to passing options on the command line, you can browse and edit
+CMake options using `cmakesetup` (Windows) or `ccmake` (GNU/Linux and MacOS X).
+- Go to the build dir
+- On Windows: run `cmakesetup`
+- On GNU/Linux and MacOS X: run `ccmake ..`
+
+## Installing
+
+If you want to install libssh after compilation run:
+
+ make install
+
+## Running
+
+The libssh binary can be found in the `build/libssh` directory.
+
+## About this document
+
+This document is written using [Markdown][] syntax, making it possible to
+provide usable information in both plain text and HTML format. Whenever
+modifying this document please use [Markdown][] syntax.
+
+[markdown]: http://www.daringfireball.net/projects/markdown