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This commit was manufactured by cvs2svn to create tag 'WX_2_2_9'.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/tags/WX_2_2_9@13364 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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Bryan Petty
2002-01-04 16:15:08 +00:00
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Building wxPython on Unix or Unix-like Systems
----------------------------------------------
The basic steps for building wxPython for Unix or Unix-like systems
are:
1. Compile and/or install glib and gtk+
2. Compile and/or install wxGTK
3. Compile and install wxPython
We'll go into more detail of each of these steps below, but first a
few bits of background information on tools.
I use a tool called SWIG (http://www.swig.org) to help generate the
C++ sources used in the wxPython extension module. However you don't
need to have SWIG unless you want to modify the *.i files. If you do
you'll want to have version 1.1-883 of SWIG and you'll need to change
a flag in the setup.py script as described below.
I use the new Python Distutils tool to build wxPython. It is included
with Python 2.0, but if you want to use Python 1.5.2 or 1.6 then
you'll need to download and install Distutils 1.0 from
http://www.python.org/sigs/distutils-sig/
I usually use RedHat Linux when working on the wxGTK version of
wxPython, but I occasionally build and test on Solaris and I hope to
be able to add some other platforms soon. The compiler I use is
whatever comes with the current version of RedHat I am using. I find
that there are less portability problems with the RPMs if I don't try
using the latest and greatest compilers all the time. On the other
platforms I usually stick with as recent a version of GCC that I can
find pre-built for that platform.
Okay, now on the the fun stuff...
1. Compile and/or install glib and gtk+
---------------------------------------
A. First of all, check and see if you've already got glib/gtk+ on your
system, all the Linux distributions I know of come with it, at
least as an option. Look for libglib.* and libgtk.* in your system's
standard library directories. You'll also need the headers and
config scripts in order to build things that use glib/gtk. Try
running gtk-config:
gtk-config --version
If you have version 1.2.5 or better then you're all set. You can
skip to step #2.
B. If your system has a binary package mechanism, (RPMs, debs,
whatever...) check and see if binaries for glib abd gtk+ are
available. Be sure to get the runtime library package as well as
the development package, if they are separate. Install them with
your package tool, and skip to step #2.
C. If all else fails, you can get the source code for glib and gtk+ at
http://www.gtk.org/. Fetch the latest of each in the 1.2.x
series. Compile and install each of them like this:
gzip -d [package].tar.gz | tar xvf -
cd [package]
./configure
make
make install
The last step will probably have to be done as root. Also, if your
system needs anything done to update the dynamic loader for shared
libraries, (such as running ldconfig on Linux) then do it after
each library is installed.
2. Compile and/or install wxGTK
-------------------------------
A. You can find the sources and RPMs for wxGTK at
ftp://wesley.informatik.uni-freiburg.de/pub/linux/wxxt/source/, or
just follow the download links from http://wxwindows.org/. You can
also check out a current snapshot of the sources from the CVS
server. (Some information about annonymous CVS access is at
http://wxwindows.org/cvs.htm.) The advantage of using CVS is that
you can easily update as soon as the developers check in new
sources or fixes. The advantage of using a released version is
that it usually has had more testing done. You can decide which
method is best for you.
B. You'll usually want to use a version of wxGTK that has the same
version number as the wxPython sources you are using. (Another
advantage of using CVS is that you'll get both at the same time.)
C. If using the RPMs be sure to get both the wxGTK and wxGTK-devel
RPMs (at a minimum) and then install them as root.
rpm -Uhv wxGTK-2.2.2-0.i386.rpm wxGTK-devel-2.2.2-0.i386.rpm
D. If using the sources (either from the tarball or from CVS) then
configure it like this:
cd wxWindows # or whatever your top-level directory is called
mkdir build
cd build
../configure --with-gtk
There are gobs and gobs of options for the configure script, run
../configure --help to see them all. I'll describe some that I find
useful here.
If you have OpenGL or compatible libraries installed, then add the
--with-opengl flag.
If you are on Solaris and are using a recent version of GCC, then
you'll probably want to add the --enable-permissive flag so the
compiler won't barf on your broken X11 header files.
To make a debugging version of wxGTK, add the --enable-debug flag.
This sets the -g flag for the compiler and also activates some
special debugging code in wxWindows by defining the __WXDEBUG__
macro. You'll get some extra asserts, failure logging, etc.
To make a static library and not make a shared library, use the
--disable-shared and --enable-static flags.
E. Now just compile and install. You need to use GNU make, so if your
system has something else get GNU make and build and install it and
use it instead of your system's default make command.
make
make install
The last step will probably have to be done as root. Also, if your
system needs anything done to update the dynamic loader for shared
libraries, (such as running ldconfig on Linux) then do it now.
F. You can test your build by changing to one of the directories under
build/samples or build/demos, running make and then running the
executable that is built.
3. Compile and install wxPython
-------------------------------
A. You have the same options (and same advantages/disadvantages) for
getting the wxPython source, either a released snapshot or from
CVS. The released version file is named wxPython-[version].tar.gz
and is available at http://wxpython.org/download.php. If you want
to use CVS you'll find wxPython in the wxWindows CVS tree (see
above) in the wxWindows/wxPython directory.
B. As mentioned previouslly, wxPython is built with the standard
Python Distutils tool. If you are using Python 2.0 or later you
are all set, otherwise you need to download and install Distutils
1.0 from http://www.python.org/sigs/distutils-sig/.
On Unix systems Distutils figures out what commands and flags to
use for the compiler and linker by looking in the Makefile that was
used to build Python itself. Most of the time this works okay. If
it doesn't, there doesn't seem to be a way to override the values
that Distutils uses without hacking either Distutils itself, or
Python's Makefile. (Complain to the distutils-sig about this
please.) For example, on my Solaris system I had to edit
/usr/local/lib/python1.5/config/Makefile and replace
LDSHARED=ld -G
with
LDSHARED=gcc -G
This particular problem has been fixed in Python 1.6 and beyond,
but there may be similar issues on other platforms.
While we're on the subject of how Python was built... Since
wxPython is a C++ extension some platforms and/or compilers will
require that the Python executable was linked with the C++ linker
in order for everything to work correctly. If you build and
install Python yourself then this is easy to take care of,
otherwise you may have to mess with binary packages or bribe your
system administrator...
In my case on Solaris wxPython applications would core dump on
exit. The core file indicated that the fault happened after
_exit() was called and the run-time was trying to execute cleanup
code. After relinking the Python executable the problem went away.
To build Python to link with the C++ linker do this:
cd Python-2.0 # wherever the root of the source tree is
rm python # in case it's still there from an old build
make LINKCC=g++ # or whatever your C++ command is
make install
C. Change to the root wxPython directory and look at the setup.py
file. This is the script that configures and defines all the
information that Distutils needs to build wxPython. There are some
options near the begining of the script that you may want or need
to change based on your system and what options you have selected
up to this point, (sources from tar.gz or from CVS, etc.) You can
either change these flags directly in setup.py or supply them on
the command-line.
BUILD_GLCANVAS Set to zero if you don't want to build the
Open GL canvas extension module. If you don't
have OpenGL or compatible libraries then you'll
need to set this to zero.
BUILD_OGL Set to zero if you don't want to build the
Object Graphics Library extension module.
BUILD_STC Set to zero if you don't want to build the
wxStyledTextCtrl (the Scintilla wrapper)
extension module.
USE_SWIG If you have edited any of the *.i files you
will need to set this flag to non-zero so SWIG
will be executed to regenerate the wrapper C++
and shadow python files.
IN_CVS_TREE If you are using the CVS version of the
wxWindows and wxPython sources then you will
need to set this flag to non-zero. This is
needed because some source files from the
wxWindows tree are copied to be under the
wxPython tree in order to keep Distutils happy.
With this flag set then setup.py will
automatically keep these copied sources up to
date if the original version is ever updated.
If you are using the tar.gz version of the
Python sources then these copied sources are
already present in your source tree.
D. To build and install wxPython you simply need to execute the
setup.py script. If you have more than one version of Python
installed, be sure to execute setup.py with the version you want to
build wxPython for. Depending on the permissions on your
site-packages directory you may need to be root to run the install
command.
python setup.py build
python setup.py install
E. At this point you should be able to change into the wxPython/demo
directory and run the demo:
python demo.py
F. If you would like to make a test build that doesn't overwrite the
installed version of wxPython you can do so with this command
instead of the install command above:
python setup.py build_ext --inplace
This will build the wxPython package in the local wxPython
directory instead of installing it under your Python installation.
To run using this test version just add the base wxPython source
directory to the PYTHONPATH:
export PYTHONPATH=~/projects/wxWindows/wxPython
# or whatever is required for your shell
cd ~/projects/wxWindows/wxPython/demo
python demo.py
That's all folks!
-----------------
robin@alldunn.com