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Installation
In order to compile KVIrc 4.0 you need at least these software libraries:
- Qt GUI Toolkit 4.6 - http://qt-project.org
- CMake 2.6.4 - http://www.cmake.org
- C++ compiler - http://gcc.gnu.org
- Pthread
- Dynamic Linker
- KDE (Optional) - http://www.kde.org
- GNU gettext (Optional) - http://www.gnu.org/software/gettext
- OpenSSL (Optional) - http://www.openssl.org
- Perl (Optional) - http://www.perl.com
- Sound System
If your distro has KDE installed then Qt is already installed. If not, simply install qt4 from your distro's repositories.
So before running Cmake make sure that the environment variable $QTDIR points to the right location. This will help in finding the correct version of Qt.
You might eventually set it with the command:
# export QTDIR="your Qt dir"
On my system qt is installed in /usr/lib64/qt so I actually execute:
# export QTDIR=/usr/lib64/qt
To check you have the right version of Qt, simply run:
# qmake -v
On my system the output is:
QMake version 2.01a Using Qt version 4.7.2 in /usr/lib64/qt/lib
If you have multiple versions of Qt4 installed in your system and you want to use a specific version, exporting QTDIR won't suffice. Since the CMake module searching for Qt4 uses qmake itself to determine the Qt4 library dir, you can set your PATH to have CMake using using your preferred qmake version:
#PATH=/opt/qt4.7/bin/:$PATH cmake ..
Please note that compiling with KDE4 support enabled will force KVIrc to link against the Qt4 version that KDE4 is using, and this may lead to problems in linking. Disabling KDE4 support is the only known solution at the moment. Note also that you'll need to override the Qt libraries used when running KVIrc:
#LD_LIBRARY_PATH=/opt/qt4.7/lib/ kvirc4
This is usually included in the last distros. To check which Cmake you have, simply run
# cmake --version
On my system the output is:
cmake version 2.8.3
You need a decent C++ compiler. Usually under Linux it is gcc from GNU tools. It is preferred to use gcc 4.3. To check your gcc version, just run:
# gcc -v
On my system the output is:
Reading specs from /usr/lib64/gcc/x86_64-slackware-linux/4.5.2/specs COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-slackware-linux/4.5.2/lto-wrapper Target: x86_64-slackware-linux Configured with: ../gcc-4.5.2/configure --prefix=/usr --libdir=/usr/lib64 --mandir=/usr/man --infodir=/usr/info --enable-shared --enable-bootstrap --enable-languages=ada,c,c++,fortran,java,objc,lto --enable-threads=posix --enable-checking=release --with-system-zlib --enable-libssp --enable-lto --with-python-dir=/lib64/python2.6/site-packages --disable-libunwind-exceptions --enable-__cxa_atexit --with-gnu-ld --verbose --disable-multilib --target=x86_64-slackware-linux --build=x86_64-slackware-linux --host=x86_64-slackware-linux Thread model: posix gcc version 4.5.2 (GCC)
This is usually included in your distribution and is probably already installed. The library is called libpthread.so. You can look for it with the "find" command:
# find / -name libpthread.so
On my system the output is:
# /usr/lib64/libpthread.so
If you don't have it (CMake will tell you) you can download it from your favorite GNU mirror. The configure script will also fail if the library is hidden somewhere on your system (e.g. not in /lib , /usr/lib or /usr/local/lib): you should probably move it.
You need the dynamic linker interface library libdl.so. This is usually installed on your system , so don't care until configure complains about it. Some system have the interface builtin in libc.
If you want to compile the KDE integration support you obviously need KDE. The kdelibs package should suffice.
So before running Cmake make sure that the environment variable $KDEDIR points to the right location.
You might eventually set it with the command:
# export KDEDIR="your KDE dir"
In my case KDE is installed in /usr so I use:
# export KDEDIR=/usr
If you want the translations to non-English languages to work then you need the GNU gettext package. In particular KVIrc uses the msgfmt program.
This is usually included in your distribution and is probably already installed. You can check it by running:
# msgfmt --version
KVIrc will not complain if the command above is missing: it will just skip the creation of the translation files. If the command above fails then you need to install the gettext package if you want any language other than English.
If you want the secure socket layer (SSL) support to be compiled you need the OpenSSL library and headers (libssl.so and openssl/ssl.h).
If you want to generate the on-line documentation you also need Perl: any version will do (I guess).
If you want Perl scripting support to be compiled you need a working Perl installation. Your libperl.so MUST be compiled with the MULTIPLICITY option. You can check it with perl -V The way external software can embed Perl has changed between Perl version 5.8 and 5.10; KVIrc should play nice with Perl if >= 5.004, but 5.10 is strongly suggested, since future updates can break back compatibility.
If you want DCC VOICE to support the GSM codec, you need a recent copy of libgsm. This is not strictly required at compile time since KVIrc will look for the library at run-time, and only if the DCC VOICE with the GSM codec is requested. You can check for libgsm using the "find" command:
# find / -name libgsm*
On my system the output is:
# /usr/lib64/libgsm.so
This library is included in most distributions. Some distros ship only the static version of the library "libgsm.a": if the previous find returned only something similar to "/usr/lib64/libgsm.a", you might create manually the shared archive by running:
`# cd /usr/lib64
If you don't have it installed at all, you might have a look in your distribution CD, or download it from the web
If you want the /snd plugin to play various audio formats you either need a running sound system like phonon, a running sound daemon like esd or a reasonably recent audiofile library. Without these KVIrc will be only able to play *.au files.
Since KVIrc 4.0 uses CMake as build system, we have to use it to create the Makefile's rules for make program. To do it, we encourage the "out-of-source" building: build all files without dirtying the sources directory.
`# mkdir release
In this way you have just created an out-of-source environment useful to have a clean working directory. Note that the final dots are required or Cmake will NOT create the right environment.
The CMake rules support some flags. If you don't specify them, CMake will try to make a good environment for you :) To use these flags, you have to pass a bool value or a string.
For example, to install in /usr instead of /usr/local and disable Phonon support, the command would be:
# cmake -DCMAKE_INSTALL_PREFIX=/usr -DWANT_PHONON=0 ..
Here's a list with explanations:
- -DWANT_DEBUG (default: OFF) When enabled, compiles the executable with debug symbols. Useful to report bugs.
- -DWANT_STRIP (default: OFF) Available only if debug is disabled, this flag disables objects stripping before installation. (Object stripping discards symbols from object files, lowering their size on disk, at the expense of more complicated or rather impossible debugging.)
- -DWANT_VERBOSE(default: OFF) Generate verbose output when compiling.
- -DCMAKE_INSTALL_PREFIX=PATH (default: a system-dependant directory) It will install all stuff under /path directory
- -DLIB_SUFFIX=SUFFIX (default: empty) It will install libkvilib and KVIrc modules under ${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX} directory. It defaults to an empty suffix. Mainly used for 64-bit distros (-DLIB_SUFFIX=64).
- -DMANDIR=DIRECTORY (default: $CMAKE_INSTALL_PREFIX/share/man) This will install man pages to DIRECTORY.
- -DCOEXISTENCE (default: OFF) If enabled, appends version information to KVIrc and libkvilib, so that different KVIrc versions can coexist in the same system.
- -DUSE_ENV_FLAGS (default: OFF) When enabled, KVIrc install rules won't try to figure out and set CMAKE_C(XX)_FLAGS. Instead, it will let CMake use the ones from environment variables. Activating this flag will override the value of -DWANT_DEBUG.
- -DCMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT (default: OFF, not cached This will re-initialize the installation path to a good default. Following compilations should use the correct path value cached by CMake. This flag is useful to solve OS X install problems.
- -DWANT_UNIVERSAL_BINARY (default: OFF) Enables or disables the compilation of universal binaries for the OS X platform.
- -DWANT_PHONON (default: ON) Enables or disables Phonon audio backend support.
- -DWANT_OSS (default: ON) Enables or disables OpenSoundSystem audio backend support. If disabled, audiofile support will be disabled as well
- -DWANT_AUDIOFILE (default: ON) Enables or disables Audiofile audio backend support.
- -DWANT_ESD (default: ON) Enables or disables ESounD audio backend support.
- -DWANT_QTDBUS (default: ON) Enables or disables Qt-DBus support.
- -DWANT_QTWEBKIT (default: ON) Enables or disables Qt-WebKit support.
- -DWANT_KDE4 (default: ON) Enables or disables KDE4 support.
- -DWANT_SSL (default: ON) Enables or disables the crypto functions support using OpenSSL.
- -DWANT_CRYPT (default: ON) Enables or disables the cryptographic engines and the whole cryptography/text transformation support. Produces a slightly smaller executable
- -DWANT_IPV6 (default: ON) Enables or disables the IPv6 support. Even if you have a plain IPv4-only connection, you might want to keep the IPv6 support: you will be able to lookup IPv6 hostnames.
- -DWANT_TRANSPARENCY (default: ON) This option enables or disables pseudo and real transparency support. The pseudo transparency support makes the KVIrc windows look like semi-transparent (this is NOT real transparency: this is just a nice-looking hack). Transparency uses compositing and needs proper hardware support to work. If KDE support is enabled, KVIrc will have an option that makes all windows use a faded KDE desktop background image as background. Without KDE support you will be able to choose a fake background image and use it as background. (You can still choose your desktop wallpaper: this will (more-or-less) work in all the window managers). It is cool-looking but usually eats some memory and makes the executable slightly bigger, when enabled. Especially when moving objects around, CPU consumption may get high as well. You can thus disable transparency here.
- -DWANT_PERL (default: ON) Enables or disables Perl support. You will not be able to use Perl scripts inside of KVIrc. You still can execute Perl scripts outside of KVIrc, i.e. with the exec() command. Note that Perl support will be checked anyway, and used to generate the documentation if present.
- -DWANT_PYTHON (default: ON) Enables or disables python support. You will not be able to use python scripts inside of KVIrc.
- -DWANT_IPC (default: ON) Enables or disables support for inter-process communication. You will be not able to send remote commands to running KVIrc sessions: this basically means that every time you run the KVIrc executable, a new session will be started. If you don't use this switch, a new session will be started only if no session is running on the same display or "new session" has been forced by a commandline switch. If a session is already running, the commandline will be passed to that session via IPC (X-event-based communication). This option saves some KB of the KVIrc executable, so if you're really short in memory, you might use it, otherwise, IPC is a nice feature.
- -DWANT_GETTEXT (default: ON) Enables or disables the use of GetText to generate translation files.
- -DWANT_DOXYGEN (default: ON) Enables or disables developers docs generation through Doxygen.
- -DWANT_GSM (default: ON) Enables or disables the usage of the GSM library. This will disable the DCC VOICE GSM codec but might help when the compilation stops complaining of something related to GSM :)
- -DWANT_IGNORE_SIGALARM (default: OFF) Under Solaris, both usleep() and threads implementation are based on SIGALARM. KVIrc uses both, and this could lead to some spontaneous application quits. This option enables a workaround for this problem.
- -DWANT_DCC_VOICE (default: ON) Enables or disables the DCC VOICE sound support. This might help if you have problems in compilation of src/modules/dcc/voice.cpp. It will disable the sound support (and thus make DCC VOICE not usable).
- -DWANT_DCC_VIDEO (default: OFF) Enables or disables EXPERIMENTAL DCC VIDEO support.
- -DWANT_OGG_THEORA (default: OFF) Enables or disables EXPERIMENTAL Ogg/Theora Support for DCC video.
- -DWANT_DCC_CANVAS (default: OFF) Enables or disables OBSOLETE DCC CANVAS support.
- -DWANT_MEMORY_PROFILE (default: OFF) Enables or disables memory allocation profiling. Don't set it, unless you are a developer and know what you are doing. It will have high impact on executable size and most notably speed. Please do not use this.
- -DWANT_MEMORY_CHECKS (default: OFF) Enables or disables malloc() memory checks. This will print a nice message if your system goes out of memory. It can't save you from buying new RAM, but at least you will know that your system went out of memory and it is not a proper KVIrc fault. Most systems do actually already notice you when you are out of RAM (i.e. Linux and the OOM killer.) Most probably you will not need to enable this flag.
- -DMANUAL_REVISION (default: empty) Manually set a revision number if subversion is not found on your system. This is useful mostly on windows. Please do not specify useless information here, as it will make debugging harder and you won't profit from it.
- -DWANT_PIZZA (default: OFF) Add some pizza for dinner :)
- -DWANT_BEER (default: OFF) Add some beers to chat :)
- -DWANT_GTKSTYLE (default: OFF) QGtkStyle is a QT backend that uses native Gtk widgets. In recent Gtk versions some insane choices are hardcoded and impossible to workaround (example: icons can't be shown in menus, label background color is fixed). By default we disable QGtkStyle since it messes up with KVIrc internal theme engine creating bad problems (like unreadable white text on a white background). Some users wants to use it anyway and sometimes we like to check if GTK developers quit smoking pot, so this option let you enable the QGtkStyle engine. Please don't report any theme-related bug if you enabled this option: we already know it's broken, but nobody's gonna fix it.
The CMake build system provide also an interactive mode to configure the environment before compiling. Again, we encourage the "out-of-source" building: build all files without dirtying the sources directory.
`# mkdir release
Now you're in interactive mode, just follow the instructions on screen to configure your compilation environment.
This step is easy :) Cross your fingers and run:
# make
If your make is not a GNU make (this happens on FreeBSD for example) you should use "gmake" instead. The compilation process will take from 3-4 minutes to some hours depending on the machine capabilities and load. If you have a slow cpu but have a couple of computers in a LAN you might consider using distcc to distribute the compilation.
Once the compilation has been successful, run:
# make install
Same as above: use "gmake install" if your make is not GNU make.
This will install the executable in /usr/local/bin (if you don't have specified a different -DCMAKE_INSTALL_PREFIX option in the Cmake rules), the libraries in /usr/local/lib (if you don't have specified a different -DLIB_SUFFIX option in the Cmake rules) and the shared data in /usr/local/share/kvirc.
Make sure that /usr/local/lib is in your /etc/ld.so.conf , if it isn't there, put it there and run:
# ldconfig
If you have decided to use the KDE support the installation might have placed all these files in your $KDEDIR tree instead of /usr/local. In this case you should be OK since KDE requires its library dir to be in /etc/ld.so.conf
There is a detailed compilation and installation how-to for OS X systems located in the doc/ directory. It's named INSTALL-MacOS.txt
There is a detailed compilation and installation how-to for Win32 systems located in the doc/ directory. It's named INSTALL-Win32.txt
CMake supports DESTDIR argument. So, if you want to make a package for your distro, you simply have to pass it at "make install" stage: your install files will go to the chosen path. The syntax is:
# make install DESTDIR=/tmp/kvirc-4.0
After this step, just follow your distribution's rules to make a good package for the distro you're running.
Alternatively, you can try the experimental CPack support included in CMakeLists.txt to build a package: in this case, please refer to the CPack documentation.
That's all folks.