File: COMPILING

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THIS DOCUMENT DESCRIBES HOW YOU CAN COMPILE KDE WHEN USING SUBVERSION

(If you use source tarballs, you can skip "make -f Makefile.cvs" and
should use "make distclean" instead of "svn-clean")

What you need
=============

Make sure you get the following stuff from the repository:

qt-copy (This is qt-3.3.2)
arts
kdelibs
kdebase (strongly recommended but not strictly necessary)
<any other package you are interested in>

It is important that you compile AND INSTALL the above packages in the 
above order.

Further you will need GNU make, autoconf 2.52, automake 1.5 and 
a working C++ compiler (eg. gcc 2.95.2)

Preparations
============

Before you start you must decide two things:

1) Where do you want to have Qt installed? Qt is a bit lame in that it 
basically installs itself in its own source-tree, but symlinks are your 
friend. E.g you could link /usr/local/lib/qt3 to where you keep your Qt 
source. Qt libs then end up in /usr/local/lib/qt3/lib.

2) Where do you want to have KDE installed. A good candidate is /usr/local/kde

Make sure you do (if using sh, ksh, or bash):
export KDEDIR=/usr/local/kde

With csh or tcsh the following is more appropriate:

setenv KDEDIR /usr/local/kde

Now you want to make sure that Qt and KDE libraries are picked up correctly.

On systems that respond to environment variables something similar to the 
following is appropriate:

export LD_LIBRARY_PATH=$KDEDIR/lib:$QTDIR/lib

On systems whose diety of choice is ldconfig, try:
ldconfig -m $KDEDIR/lib
ldconfig -m $QTDIR/lib

You probably also want to add $KDEDIR/bin and $QTDIR/bin to your path.

See http://www.kde.org/kde2-and-kde3.html for tips about setting up
KDE 3.0 next to KDE 2.x.

Compiling
=========

The magic sequence to compile & install a package is:
gmake -f Makefile.cvs
./configure --enable-debug
gmake
gmake install

(On Linux, GNU make is the default make, and gmake in the above commands
can be replaced with make).

For Qt the magic sequence is:

./configure -debug -shared -qt-gif -thread -sm -system-zlib -system-libpng -system-jpeg
make

Common problems
===============

Wrong Qt paths: 
One of the biggest problems is picking up the correct version of Qt, 
especially if your system has more version of Qt installed. Be aware 
that information about library paths gets saved in the "config.cache" 
file, "Makefile.in" as well as "Makefile" files. So it can be that after 
some struggle to get QTDIR/KDEDIR setup correctly your setup is actually 
correct, but old -incorrect- settings are still lying around.

The best thing to do in such a case is to do a "svn-clean" (from kdesdk/scripts).
This removes all files which aren't stored in the repository. You can then start all over 
again with "makefile -f Makefile.cvs". Make sure you don't have any important 
files lying around in your source tree any more, they will be deleted!

New directories:
When a new directory gets added to the repository it usually only contains a 
Makefile.am but not a Makefile. If you try to compile such a directory
you will get an error like:

  Making all in management
  make[3]: Entering directory /home/gregturp/KDE/kdelibs/kdeprint/management'
  make[3]: *** No rule to make target all'.  Stop.
  make[3]: Leaving directory /home/gregturp/KDE/kdelibs/kdeprint/management'
  make[2]: *** [all-recursive] Error 1
  make[2]: Leaving directory /home/gregturp/KDE/kdelibs/kdeprint'
  make[1]: *** [all-recursive] Error 1
  make[1]: Leaving directory /home/gregturp/KDE/kdelibs'
  make: *** [all-recursive-am] Error 2

The solution is to redo "make -f Makefile.cvs; ./configure". 

You can create a single Makefile from a Makefile.am file with the
kdesdk/scripts/create_makefile script. Make sure to run it from the toplevel
directory. (E.g. /home/gregturp/KDE/kdelibs)

Problems?
=========

See http://www.kde.org/compilationfaq.html for common build problems
and their solution.

If you encounter _LINK_ problems you are probably doing something wrong.
Do a "svn-clean" and start from scratch, usually this solves the problem.

If you encounter missing include files, especially if the files start with
a 'q', you probably have not setup your QTDIR correct or have the wrong 
version of Qt.

If you encounter compile errors after updating from SVN, check whether you 
need to update kdelibs as well. If the problems persists, wait a few hours,
usually compile errors are fixed shortly after they have been introduced.

If you still have problems read the kde-devel@kde.org mailinglist and/or
post your problem there. You can subscribe by sending mail to
kde-devel-request@kde.org with "subscribe" in the subject.

Have fun!

Cheers,
Waldo Bastian
bastian@kde.org