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7<title>Building wxPython 2.5 for Development and Testing</title>
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11<div class="document" id="building-wxpython-2-5-for-development-and-testing">
12<h1 class="title">Building wxPython 2.5 for Development and Testing</h1>
13<p>This file describes how I build wxWindows and wxPython while doing
14development and testing, and is meant to help other people that want
15to do the same thing. I'll assume that you are using either a CVS
16snapshot from <a class="reference" href="http://wxwindows.org/snapshots/">http://wxwindows.org/snapshots/</a>, a checkout from CVS, or
17one of the released wxPythonSrc-2.5.* tarballs. I'll also assume that
18you know your way around your system, the compiler, etc. and that you
19know what you are doing! ;-)</p>
20<p>If you want to also install the version of wxPython you build to be in
21your site-packages dir and be your default version of wxPython, then a
22few additional steps are needed, and you may want to use slightly
23different options. See INSTALL.txt for more details. If you only use
24the instructions in this BUILD.txt file then you will end up with a
25separate installation of wxPython and you can switch back and forth
26between this and the release version that you may already have
27installed.</p>
28<p>If you want to make changes to any of the <tt class="literal"><span class="pre">*.i</span></tt> files, (SWIG interface
29definition files,) or to regenerate the extension sources or renamer
30modules, then you will need an up to date version of SWIG. Either get
31and build the current CVS version, or version 1.3.20, and then apply
32the patches in wxPython/SWIG. See the README.txt in that dir for
33details about each patch and also info about those that may already
34have been applied to the SWIG sources. If you install this build of
35SWIG to a location that is not on the PATH (so it doesn't interfere
36with an existing SWIG install for example) then you can set a setup.py
37command-line variable named SWIG to be the full path name of the
38executable and the wxPython build will use it. See below for an
39example.</p>
40<div class="section" id="building-on-unix-like-systems-e-g-linux-and-os-x">
41<h1><a name="building-on-unix-like-systems-e-g-linux-and-os-x">Building on Unix-like Systems (e.g. Linux and OS X)</a></h1>
42<p>These platforms are built almost the same way while in development
43so I'll combine the descriptions about their build process here.
44First we will build wxWindows and install it to an out of the way
45place, then do the same for wxPython.</p>
46<ol class="arabic">
47<li><p class="first">Create a build directory in the main wxWindows dir, and configure
48wxWindows. If you want to have multiple builds with different
49configure options, just use different subdirectories. I normally
50put the configure command in a script named &quot;.configure&quot; in each
51build dir so I can easily blow away everything in the build dir and
52rerun the script without having to remember the options I used
53before:</p>
54<pre class="literal-block">
55mkdir bld
56cd bld
57../configure --prefix=/opt/wx/2.5 \
58 --with-gtk \
59 --with-opengl \
60 --disable-monolithic \
61 --enable-debug \
62 --enable-geometry \
63</pre>
64<p>On OS X of course you'll want to use --with-mac instead of
65--with-gtk. For GTK2 and unicode add:</p>
66<blockquote>
67<p>--enable-gtk2 --enable-unicode </p>
68</blockquote>
69<p>Notice that I used a prefix of /opt/wx/2.5. You can use whatever
70path you want, such as a path in your HOME dir or even one of the
71standard prefix paths such as /usr or /usr/local if you like, but
72using /opt this way lets me easily have multiple versions and ports
73of wxWindows &quot;installed&quot; and makes it easy to switch between them,
74without impacting any versions of wxWindows that may have been
75installed via an RPM or whatever. For the rest of the steps below
76be sure to also substitute &quot;/opt/wx/2.5&quot; with whatever prefix you
77choose for your build.</p>
78<p>If you want to use the image and zlib libraries included with
79wxWindows instead of those already installed on your system, (for
80example, to reduce dependencies on 3rd party libraries) then you
81can add these flags to the configure command:</p>
82<pre class="literal-block">
83--with-libjpeg=builtin \
84--with-libpng=builtin \
85--with-libtiff=builtin \
86--with-zlib=builtin \
87</pre>
88</li>
89<li><p class="first">To build and install wxWindows you could just use the &quot;make&quot;
90command but there are other libraries besides the main wxWindows
91libs that also need to be built so again I make a script to do it
92all for me so I don't forget anything. This time it is called
93&quot;.make&quot; (I use the leading &quot;. so when I do <tt class="literal"><span class="pre">rm</span> <span class="pre">-r</span> <span class="pre">*</span></tt> in my build
94dir I don't lose my scripts too.) This is what it looks like:</p>
95<pre class="literal-block">
96make $* \
97 &amp;&amp; make -C contrib/src/gizmos $* \
98 &amp;&amp; make -C contrib/src/ogl CXXFLAGS=&quot;-DwxUSE_DEPRECATED=0&quot; $* \
99 &amp;&amp; make -C contrib/src/stc $* \
100 &amp;&amp; make -C contrib/src/xrc $*
101</pre>
102<p>So you just use .make as if it where make, but don't forget to set
103the execute bit on .make first!:</p>
104<pre class="literal-block">
105.make
106.make install
107</pre>
108<p>When it's done you should have an installed set of files under
109/opt/wx/2.5 containing just wxWindows. Now to use this version of
110wxWindows you just need to add /opt/wx/2.5/bin to the PATH and set
111LD_LIBRARY_PATH (or DYLD_LIBRARY_PATH on OS X) to /opt/wx/2.5/lib.</p>
112</li>
113<li><p class="first">I also have a script to help me build wxPython and it is checked in
114to the CVS as wxWindows/wxPython/b, but probably don't want to use
115it as it's very cryptic and expects that you want to run SWIG, so
116if you don't have the latest patched up version of SWIG then you'll
117probably get stuck. So I'll just give the raw commands instead.</p>
118<p>We're not going to install the development version of wxPython with
119these commands, so it won't impact your already installed version
120of the latest release. You'll be able test with this version when
121you want to, and use the installed release version the rest of the
122time. If do want to install the development verison please read
123INSTALL.txt.</p>
124<p>If you have more than one version of Python on your system then be
125sure to use the version of Python that you want to use when running
126wxPython programs to run the setup.py commands below. I'll be
127using python2.3.</p>
128<p>Make sure that the first wx-config found on the PATH is the one you
129installed above, and then change to the wxWindows/wxPython dir and
130run the this command:</p>
131<pre class="literal-block">
132cd wxPython
133python2.3 setup.py build_ext --inplace --debug
134</pre>
135<p>If your new wx-config script is not on the PATH, or there is some
136other version of it found first, then you can add this to the
137command line to ensure your new one is used instead:</p>
138<pre class="literal-block">
139WX_CONFIG=/opt/wx/2.5/bin/wx-config
140</pre>
141<p>If you are building with GTK2 then add the following flags to the
142command line:</p>
143<pre class="literal-block">
144WXPORT=gtk2 UNICODE=1
145</pre>
146<p>If you are wanting to have the source files regenerated with swig,
147then you need to turn on the USE_SWIG flag and optionally tell it
148where to find the new swig executable, so add these flags:</p>
149<pre class="literal-block">
150USE_SWIG=1 SWIG=/opt/swig/bin/swig
151</pre>
152<p>If you get errors about wxGLCanvas or being unable to find libGLU
153or something like that then you can add BUILD_GLCANVAS=0 to the
154setup.py command line to disable the building of the glcanvas
155module.</p>
156<p>When the setup.py command is done you should have fully populated
157wxPython and wx packages locally in wxWindows/wxPython/wxPython and
158.../wx, with all the extension modules (<tt class="literal"><span class="pre">*.so</span></tt> files) located in the
159wx package.</p>
160</li>
161<li><p class="first">To run code with the development verison of wxPython, just set the
162PYTHONPATH to the wxPython dir in the CVS tree. For example:</p>
163<pre class="literal-block">
164export LD_LIBRARY=/opt/wx/2.5/lib
165export PYTHONPATH=/myprojects/wxWindows/wxPython
166cd /myprojects/wxWindows/wxPython/demo
167python2.3 demo.py
168</pre>
169<p>OS X NOTE: You need to use &quot;pythonw&quot; on the command line to run
170wxPython applications. This version of the Python executable is
171part of the Python Framework and is allowed to interact with the
172display. You can also Double Click on a .py or a .pyw file from
173the finder (assuming that PythonLauncher is still associated with
174these file extensions) and it will launch the Framework version of
175Python for you. For information about creating Applicaiton Bundles
176of your wxPython apps please see the wiki and the mail lists.</p>
177<p>SOLARIS NOTE: If you get unresolved symbol errors when importing
178wxPython and you are running on Solaris and building with gcc, then
179you may be able to work around the problem by uncommenting a bit of
180code in setup.py and building again. Look for 'SunOS' in setup.py
181and uncomment the block containing it. The problem is that Sun's ld
182does not automatically add libgcc to the link step.</p>
183</li>
184</ol>
185</div>
186<div class="section" id="building-on-windows">
187<h1><a name="building-on-windows">Building on Windows</a></h1>
188<p>The Windows builds currently require the use of Microsoft Visual C++.
189Theoretically, other compilers (such as mingw32 or the Borland
190compilers) can also be used but I've never done the work to make that
191happen. If you want to try that then first you'll want to find out if
192there are any tricks that have to be done to make Python extension
193modules using that compiler, and then make a few changes to setup.py
194to accomodate that. (And send the patches to me.) If you plan on
195using VisualStudio.Net (a.k.a. MSVC 7.1) keep in mind that you'll also
196have to build Python and any other extension modules that you use with
197that compiler because a different version of the C runtime likbrary is
198used. The Python executable that comes from PythonLabs and the
199wxPython extensions that I distribute are built with MSVC 6 with all
200the Service Packs applied.</p>
201<p>If you want to build a debugable version of wxWindows and wxPython you
202will need to have also built a debug version of Python and any other
203extension modules you need to use. You can tell if you have them
204already if there is a _d in the file names, for example python_d.exe
205or python23_d.dll. If you don't need to trace through the C/C++ parts
206of the code with the debugger then building the normal (or hybrid)
207version is fine, and you can use the regular python executables with
208it.</p>
209<p>Just like the unix versions I also use some scripts to help me build
210wxWindows, but I use some non-standard stuff to do it. So if you want
211to use them too you'll need to get a copy or 4DOS or 4NT from
212<a class="reference" href="http://www.jpsoft.com/">http://www.jpsoft.com/</a> and also a copy of unix-like cat and sed
213programs. You can also do by hand what my scripts are doing, but
214there are a lof steps involved and I won't be going into details
215here. There is a copy of my build scripts in wxWindowswxPythondistribmsw</p>
216<ol class="arabic">
217<li><p class="first">Set an environment variable to the root of the wxWindows source
218tree:</p>
219<pre class="literal-block">
220set WXWIN=e:\projects\wxWindows
221</pre>
222</li>
223<li><p class="first">Copy setup0.h to setup.h</p>
224<blockquote>
225<p>cd %WXWIN%includewxmsw
226copy setup0.h setup.h</p>
227</blockquote>
228</li>
229<li><p class="first">Edit %WXWIN%includewxmswsetup.h and change a few settings.
230Some of them are changed by my build scripts depending on the type
231of build (debug/hybrid, unicode/ansi). I change a few of the other
232defaults to have these values:</p>
233<pre class="literal-block">
234wxDIALOG_UNIT_COMPATIBILITY 0
235wxUSE_DEBUG_CONTEXT 1
236wxUSE_MEMORY_TRACING 1
237wxUSE_DIALUP_MANAGER 0
238wxUSE_GLCANVAS 1
239wxUSE_POSTSCRIPT 1
240wxUSE_AFM_FOR_POSTSCRIPT 0
241</pre>
242</li>
243<li><p class="first">Make a %WXWIN%BIN directory and add it to the PATH. My build
244scripts will copy the wxWindows DLLs there.</p>
245</li>
246<li><p class="first">Change to the %WXWIN%buildmsw directory and copy my build scripts
247there.</p>
248</li>
249<li><p class="first">Use the .make.btm command to build wxWindows. It needs one
250command-line parameter which controls what kind of build(s) to do.
251Use one of the following:</p>
252<pre class="literal-block">
253debug Build debug version
254hybrid Build hybrid version
255both Both debug and hybrid
256debug-uni Build a debug unicode library
257hybrid-uni Hybrid unicode (see the pattern yet? ;-)
258both-uni and finally both unicode libraries
259</pre>
260<p>For example:</p>
261<pre class="literal-block">
262 .make hybrid
263
264You can also pass additional command line parameters as needed and
265they will all be passed on to the nmake commands, for example to
266clean up the build::
267
268 .make hybrid clean
269</pre>
270</li>
271<li><p class="first">When that is done it will have built the main wxWindows DLLs and
272also some of the contribs DLLs. There should be a ton of DLLs in
273%WXDIR%bin and lots of lib files and other stuff in
274%WXDIR%libvc_dll.</p>
275</li>
276<li><p class="first">Building wxPython on Windows is very similar to doing it for the
277unix systems. We're not going to install the development version
278of wxPython with these commands, so it won't impact your already
279installed version of the latest release. You'll be able to test
280with this version when you want to, and use the installed release
281version the rest of the time. If you ever do want to install the
282development verison please refer to INSTALL.txt.</p>
283<p>Change to the wxWindowswxPython dir and run the this command,
284makeing sure that you use the version of python that you want to
285build for (if you have more than one on your system):</p>
286<pre class="literal-block">
287cd %WXWIN%\wxPython
288python setup.py build_ext --inplace
289</pre>
290<p>If you are wanting to have the source files regenerated with swig,
291then you need to turn on the USE_SWIG flag and optionally tell it
292where to find the new swig executable, so add these flags:</p>
293<pre class="literal-block">
294USE_SWIG=1 SWIG=e:\projects\SWIG-cvs\swig.exe
295</pre>
296<p>If you built a Unicode version of wxWindows and want to also build
297the Unicode version of wxPython then add this flag:</p>
298<pre class="literal-block">
299UNICODE=1
300</pre>
301<p>If you have a debug version of Python and wxWindows and want to
302build a debug version of wxPython too, add the --debug flag to the
303command line. You should then end up with a set of <tt class="literal"><span class="pre">*_d.pyd</span></tt>
304files in the wx package and you'll have to run <tt class="literal"><span class="pre">python_d.exe</span></tt> to
305use them. The debug and hybrid(release) versions can coexist.</p>
306<p>When the setup.py command is done you should have fully populated
307wxPython and wx packages locally in wxWindows/wxPython/wxPython and
308wxWindows/wxPython/wx, with all the extension modules (<tt class="literal"><span class="pre">*.pyd</span></tt>
309files) located in the wx package.</p>
310</li>
311<li><p class="first">To run code with the development verison of wxPython, just set the
312PYTHONPATH to the wxPython dir in the CVS tree. For example:</p>
313<pre class="literal-block">
314set PYTHONPATH=e:\projects\wxWindows\wxPython
315cd e:\projects\wxWindows\wxPython
316python demo.py
317</pre>
318</li>
319</ol>
320</div>
321</div>
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324Generated on: 2004-02-04 23:31 UTC.
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