git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27011 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			369 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			369 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
Building wxPython 2.5 for Development and Testing
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=================================================
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This file describes how I build wxWidgets and wxPython while doing
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development and testing, and is meant to help other people that want
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to do the same thing.  I'll assume that you are using either a CVS
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snapshot from http://wxWidgets.org/snapshots/, a checkout from CVS, or
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one of the released wxPythonSrc-2.5.* tarballs.  I'll also assume that
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you know your way around your system, the compiler, etc. and most
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importantly, that you know what you are doing!  ;-)
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If you want to also install the version of wxPython you build to be in
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your site-packages dir and be your default version of wxPython, then a
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few additional steps are needed, and you may want to use slightly
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different options.  See the INSTALL_ document for more details.  If
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you only use the instructions in this BUILD_ document file then you
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will end up with a separate installation of wxPython and you can
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switch back and forth between this and the release version that you
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may already have installed.
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.. _INSTALL: INSTALL.html
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.. _BUILD: BUILD.html
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If you want to make changes to any of the ``*.i`` files, (SWIG interface
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definition files,) or to regenerate the extension sources or renamer
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modules, then you will need an up to date version of SWIG.  Either get
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and build the current CVS version, or version 1.3.20, and then apply
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the patches in wxPython/SWIG.  See the README.txt in that dir for
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details about each patch and also info about those that may already
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have been applied to the SWIG sources.  If you install this build of
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SWIG to a location that is not on the PATH (so it doesn't interfere
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with an existing SWIG install for example) then you can set a setup.py
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command-line variable named SWIG to be the full path name of the
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executable and the wxPython build will use it.  See below for an
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example.
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In the text below I'll use WXDIR with environment variable syntax
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(either $WXDIR or %WXDIR%) to refer to the top level directory were
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your wxWidgerts and wxPython sources are located.  It will equate to
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whereever you checked out the wxWidgets module from CVS, or untarred
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the wxPythonSrc tarball to.  You can either substitute the $WXDIR text
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below with your actual dir, or set the value in the environment and
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use it just like you see it below.
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If you run into what appears to be compatibility issues between
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wxWidgets and wxPython while building wxPython, be sure you are using
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the wxWidgets sources included with the wxPythonSrc tarball or the CVS
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snapshot, and not a previously installed version or a version
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installed from one of the standard wxWidgets installers.  With the
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"unstable" releases (have a odd-numbered minor release value, where
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the APIs are allowed to change) there are often significant
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differences between the W.X.Y release of wxWidgets and the W.X.Y.Z
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release of wxPython.
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Building on Unix-like Systems (e.g. Linux and OS X)
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---------------------------------------------------
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These platforms are built almost the same way while in development
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so I'll combine the descriptions about their build process here.
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First we will build wxWidgets and install it to an out of the way
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place, then do the same for wxPython.
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1. Create a build directory in the main wxWidgets dir, and configure
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   wxWidgets.  If you want to have multiple builds with different
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   configure options, just use different subdirectories.  I normally
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   put the configure command in a script named ".configure" in each
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   build dir so I can easily blow away everything in the build dir and
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   rerun the script without having to remember the options I used
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   before::
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	 cd $WXDIR
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         mkdir bld
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         cd bld
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         ../configure --prefix=/opt/wx/2.5 \
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                      --with-gtk \
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                      --with-opengl \
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                      --disable-monolithic \
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                      --enable-debug \
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                      --enable-geometry \
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                      --enable-sound --with-sdl \
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                      --enable-display \
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   On OS X of course you'll want to use --with-mac instead of
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   --with-gtk.  For GTK2 and unicode add::
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                      --enable-gtk2 \
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                      --enable-unicode \
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   Notice that I used a prefix of /opt/wx/2.5.  You can use whatever
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   path you want, such as a path in your HOME dir or even one of the
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   standard prefix paths such as /usr or /usr/local if you like, but
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   using /opt this way lets me easily have multiple versions and ports
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   of wxWidgets "installed" and makes it easy to switch between them,
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   without impacting any versions of wxWidgets that may have been
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   installed via an RPM or whatever.  For the rest of the steps below
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   be sure to also substitute "/opt/wx/2.5" with whatever prefix you
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   choose for your build.
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   If you want to use the image and zlib libraries included with
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   wxWidgets instead of those already installed on your system, (for
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   example, to reduce dependencies on 3rd party libraries) then you
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   can add these flags to the configure command::
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                     --with-libjpeg=builtin \
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                     --with-libpng=builtin \
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                     --with-libtiff=builtin \
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                     --with-zlib=builtin \
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2. To build and install wxWidgets you could just use the "make"
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   command but there are other libraries besides the main wxWidgets
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   libs that also need to be built so again I make a script to do it
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   all for me so I don't forget anything.  This time it is called
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   ".make" (I use the leading ".  so when I do ``rm -r *`` in my build
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   dir I don't lose my scripts too.)  This is what it looks like::
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        make $* \
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            && make -C contrib/src/gizmos $* \
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            && make -C contrib/src/ogl CXXFLAGS="-DwxUSE_DEPRECATED=0" $* \
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            && make -C contrib/src/stc $* \
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            && make -C contrib/src/xrc $* 
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   So you just use .make as if it where make, but don't forget to set
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   the execute bit on .make first!::
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         .make
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         .make install
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   When it's done you should have an installed set of files under
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   /opt/wx/2.5 containing just wxWidgets.  Now to use this version of
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   wxWidgets you just need to add /opt/wx/2.5/bin to the PATH and set
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   LD_LIBRARY_PATH (or DYLD_LIBRARY_PATH on OS X) to /opt/wx/2.5/lib.
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3. I also have a script to help me build wxPython and it is checked in
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   to the CVS as wxWidgets/wxPython/b, but you probably don't want to
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   use it as it's very cryptic and expects that you want to run SWIG,
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   so if you don't have the latest patched up version of SWIG then
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   you'll probably get stuck.  So I'll just give the raw commands
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   instead.
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   We're not going to install the development version of wxPython with
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   these commands, so it won't impact your already installed version
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   of the latest release.  You'll be able test with this version when
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   you want to, and use the installed release version the rest of the
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   time.  If you want to install the development version please read
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   INSTALL.txt.
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   If you have more than one version of Python on your system then be
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   sure to use the version of Python that you want to use when running
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   wxPython programs to run the setup.py commands below.  I'll be
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   using python2.3.
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   Make sure that the first wx-config found on the PATH is the one you
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   installed above, and then change to the $WXDIR/wxPython dir and
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   run the this command::
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         cd $WXDIR/wxPython
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         python2.3 setup.py build_ext --inplace --debug
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   If your new wx-config script is not on the PATH, or there is some
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   other version of it found first, then you can add this to the
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   command line to ensure your new one is used instead::
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         WX_CONFIG=/opt/wx/2.5/bin/wx-config
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   If you are building with GTK2 then add the following flags to the
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   command line::
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         WXPORT=gtk2 UNICODE=1
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   If you are wanting to have the source files regenerated with swig,
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   then you need to turn on the USE_SWIG flag and optionally tell it
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   where to find the new swig executable, so add these flags::
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         USE_SWIG=1 SWIG=/opt/swig/bin/swig
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   If you get errors about being unable to find libGLU, wxGLCanvas
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   being undeclared, or something similar then you can add
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   BUILD_GLCANVAS=0 to the setup.py command line to disable the
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   building of the glcanvas module.
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   When the setup.py command is done you should have fully populated
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   wxPython and wx packages locally in $WXDIR/wxPython/wxPython and
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   $WXDIR/wxPython/wx, with all the extension modules (``*.so`` files)
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   located in the wx package.
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4. To run code with the development version of wxPython, just set the
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   PYTHONPATH to the wxPython dir located in the source tree.  For
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   example::
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        export LD_LIBRARY_PATH=/opt/wx/2.5/lib
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        export PYTHONPATH=$WXDIR/wxPython
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        cd $WXDIR/wxPython/demo
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        python2.3 demo.py
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   OS X NOTE: You need to use "pythonw" on the command line to run
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   wxPython applications.  This version of the Python executable is
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   part of the Python Framework and is allowed to interact with the
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   display.  You can also double click on a .py or a .pyw file from
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   the finder (assuming that the PythonLauncher app is associated with
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   these file extensions) and it will launch the Framework version of
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   Python for you.  For information about creating Applicaiton Bundles
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   of your wxPython apps please see the wiki and the mail lists.
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   SOLARIS NOTE: If you get unresolved symbol errors when importing
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   wxPython and you are running on Solaris and building with gcc, then
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   you may be able to work around the problem by uncommenting a bit of
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   code in setup.py and building again.  Look for 'SunOS' in setup.py
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   and uncomment the block containing it.  The problem is that Sun's ld
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   does not automatically add libgcc to the link step.
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Building on Windows
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-------------------
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The Windows builds currently require the use of Microsoft Visual C++.
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Theoretically, other compilers (such as mingw32 or the Borland
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compilers) can also be used but I've never done the work to make that
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happen.  If you want to try that then first you'll want to find out if
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there are any tricks that have to be done to make Python extension
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modules using that compiler, and then make a few changes to setup.py
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to accomodate that.  (And send the patches to me.)  If you plan on
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using VisualStudio.Net (a.k.a. MSVC 7.1) keep in mind that you'll also
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have to build Python and any other extension modules that you use with
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that compiler because a different version of the C runtime library is
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used.  The Python executable that comes from PythonLabs and the
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wxPython extensions that I distribute are built with MSVC 6 with all
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the Service Packs applied.  This policy will change with Python 2.4
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and MSVC 7.1 will be used starting with that version.
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If you want to build a debuggable version of wxWidgets and wxPython you
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will need to have also built a debug version of Python and any other
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extension modules you need to use.  You can tell if you have them
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already if there is a _d in the file names, for example python_d.exe
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or python23_d.dll.  If you don't need to trace through the C/C++ parts
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of the code with the debugger then building the normal (or hybrid)
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version is fine, and you can use the regular python executables with
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it.
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Just like the unix versions I also use some scripts to help me build
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wxWidgets, but I use some non-standard stuff to do it.  So if you want
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to use my scripts you'll need to get a copy or 4DOS or 4NT from
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http://www.jpsoft.com/ and also a copy of unix-like cat and sed
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programs.  You can also do by hand what my scripts are doing, but
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there are alot of steps involved and I won't be going into details
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here.  There is a copy of my build scripts in %WXDIR%\\wxPython\\distrib\\msw
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that you can use for reference (if you don't use them directly) for
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adapting these instructions to your specific needs.  The directions
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below assume that you are using my scripts.
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1. Set an environment variable to the root of the wxWidgets source
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   tree.  This is used by the makefiles::
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         set WXWIN=%WXDIR%
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2. Copy setup0.h to setup.h::
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         cd %WXDIR%\include\wx\msw
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         copy setup0.h setup.h
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3. Edit %WXDIR%\\include\\wx\\msw\\setup.h and change a few settings.
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   Some of them are changed by my build scripts depending on the type
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   of build (debug/hybrid, unicode/ansi). I change a few of the other
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   defaults to have these values::
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         wxDIALOG_UNIT_COMPATIBILITY    0
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         wxUSE_DEBUG_CONTEXT            1
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         wxUSE_MEMORY_TRACING           1
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         wxUSE_DIALUP_MANAGER           0
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         wxUSE_GLCANVAS                 1
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         wxUSE_POSTSCRIPT               1
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         wxUSE_AFM_FOR_POSTSCRIPT       0
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         wxUSE_DISPLAY                  1
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4. Make sure that %WXDIR%\\lib\\vc_dll directory is on the PATH.  The
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   wxWidgets DLLs will end up there as part of the build and so you'll
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   need it on the PATH for them to be found at runtime.
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5. Change to the %WXDIR%\\build\\msw directory and copy my build scripts
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   there from their default location in %WXDIR%\\wxPython\\distrib\\msw
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   if they are not present already.
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6. Use the .make.btm command to build wxWidgets.  It needs one
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   command-line parameter which controls what kind of build(s) to do.
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   Use one of the following::
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         debug          Build debug version
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         hybrid         Build hybrid version
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         both           Both debug and hybrid
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         debug-uni      Build a debug unicode library
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         hybrid-uni     Hybrid unicode (see the pattern yet? ;-)
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         both-uni       and finally both unicode libraries
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   For example::
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         .make hybrid
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    You can also pass additional command line parameters as needed and
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    they will all be passed on to the nmake commands, for example to
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    clean up the build::
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         .make hybrid clean
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7.  When that is done it will have built the main wxWidgets DLLs and
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    also some of the contribs DLLs.  There should be a ton of DLLs and
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    lots of lib files and other stuff in %WXDIR%\\lib\\vc_dll.
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8. Building wxPython on Windows is very similar to doing it for the
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   unix systems.  We're not going to install the development version
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   of wxPython with these commands, so it won't impact your already
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   installed version of the latest release.  You'll be able to test
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   with this version when you want to, and use the installed release
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   version the rest of the time.  If you ever do want to install the
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   development version please refer to INSTALL.txt.
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   Change to the %WXDIR%\\wxPython dir and run the this command,
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   makeing sure that you use the version of python that you want to
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   build for (if you have more than one on your system)::
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         cd %WXDIR%\wxPython
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         python setup.py build_ext --inplace 
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   If you are wanting to have the source files regenerated with swig,
 | 
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   then you need to turn on the USE_SWIG flag and optionally tell it
 | 
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   where to find the new swig executable, so add these flags::
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         USE_SWIG=1 SWIG=e:\projects\SWIG-cvs\swig.exe
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   If you built a Unicode version of wxWidgets and want to also build
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   the Unicode version of wxPython then add this flag::
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         UNICODE=1
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   If you have a debug version of Python and wxWidgets and want to
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   build a debug version of wxPython too, add the --debug flag to the
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   command line.  You should then end up with a set of ``*_d.pyd``
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   files in the wx package and you'll have to run ``python_d.exe`` to
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   use them.  The debug and hybrid(release) versions can coexist.
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   When the setup.py command is done you should have fully populated
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   wxPython and wx packages locally in %WXDIR%/wxPython/wxPython and
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   %WXDIR%/wxPython/wx, with all the extension modules (``*.pyd``
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   files) located in the wx package.
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9. To run code with the development version of wxPython, just set the
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   PYTHONPATH to the wxPython dir in the CVS tree.  For example::
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        set PYTHONPATH=%WXDIR%\wxPython
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	cd %WXDIR\wxPython\demo
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        python demo.py
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