+
+if BUILD_XRC:
+    msg('Preparing XRC...')
+    location = 'contrib/xrc'
+    XMLLOC = opj(location, 'contrib/src/xrc')
+    XMLINC = opj(location, 'contrib/include')
+
+    swig_files = ['xrc.i']
+
+    swig_sources = run_swig(swig_files, location, '', PKGDIR,
+                            USE_SWIG, swig_force, swig_args, swig_deps)
+
+    xmlres_includes = includes[:]
+    xmlres_includes.append('%s/expat/xmlparse' % XMLLOC)
+    xmlres_includes.append('%s/expat/xmltok' % XMLLOC)
+    xmlres_includes.append(XMLINC)
+
+
+    # make sure local copy of contrib files are up to date
+    if IN_CVS_TREE:
+        contrib_copy_tree(opj(CTRB_INC, 'xrc'), opj(XMLINC, 'wx/xrc'))
+        contrib_copy_tree(opj(CTRB_SRC, 'xrc'), XMLLOC)
+
+    ext = Extension('xrcc', ['%s/expat/xmlparse/xmlparse.c' % XMLLOC,
+                                '%s/expat/xmltok/xmlrole.c' % XMLLOC,
+                                '%s/expat/xmltok/xmltok.c' % XMLLOC,
+
+                                '%s/xh_bmp.cpp' % XMLLOC,
+                                '%s/xh_bmpbt.cpp' % XMLLOC,
+                                '%s/xh_bttn.cpp' % XMLLOC,
+                                '%s/xh_cald.cpp' % XMLLOC,
+                                '%s/xh_chckb.cpp' % XMLLOC,
+
+                                '%s/xh_chckl.cpp' % XMLLOC,
+                                '%s/xh_choic.cpp' % XMLLOC,
+                                '%s/xh_combo.cpp' % XMLLOC,
+                                '%s/xh_dlg.cpp' % XMLLOC,
+                                '%s/xh_frame.cpp' % XMLLOC,
+
+                                '%s/xh_gauge.cpp' % XMLLOC,
+                                '%s/xh_gdctl.cpp' % XMLLOC,
+                                '%s/xh_html.cpp' % XMLLOC,
+                                '%s/xh_listb.cpp' % XMLLOC,
+                                '%s/xh_listc.cpp' % XMLLOC,
+                                '%s/xh_menu.cpp' % XMLLOC,
+
+                                '%s/xh_notbk.cpp' % XMLLOC,
+                                '%s/xh_panel.cpp' % XMLLOC,
+                                '%s/xh_radbt.cpp' % XMLLOC,
+                                '%s/xh_radbx.cpp' % XMLLOC,
+                                '%s/xh_scrol.cpp' % XMLLOC,
+                                '%s/xh_scwin.cpp' % XMLLOC,
+
+                                '%s/xh_sizer.cpp' % XMLLOC,
+                                '%s/xh_slidr.cpp' % XMLLOC,
+                                '%s/xh_spin.cpp' % XMLLOC,
+                                '%s/xh_split.cpp' % XMLLOC,
+                                '%s/xh_stbmp.cpp' % XMLLOC,
+                                '%s/xh_stbox.cpp' % XMLLOC,
+
+                                '%s/xh_stlin.cpp' % XMLLOC,
+                                '%s/xh_sttxt.cpp' % XMLLOC,
+                                '%s/xh_text.cpp' % XMLLOC,
+                                '%s/xh_toolb.cpp' % XMLLOC,
+                                '%s/xh_tree.cpp' % XMLLOC,
+
+                                '%s/xh_unkwn.cpp' % XMLLOC,
+                                '%s/xml.cpp' % XMLLOC,
+                                '%s/xmlres.cpp' % XMLLOC,
+                                '%s/xmlrsall.cpp' % XMLLOC,
+
+                             ] + swig_sources,
+
+                    include_dirs =  xmlres_includes,
+                    define_macros = defines,
+
+                    library_dirs = libdirs,
+                    libraries = libs,
+
+                    extra_compile_args = cflags,
+                    extra_link_args = lflags,
+                    )
+
+    wxpExtensions.append(ext)
+
+
+
+#----------------------------------------------------------------------
+# Define the GIZMOS  extension module
+#----------------------------------------------------------------------
+
+if BUILD_GIZMOS:
+    msg('Preparing GIZMOS...')
+    location = 'contrib/gizmos'
+    GIZMOLOC = opj(location, 'contrib/src/gizmos')
+    GIZMOINC = opj(location, 'contrib/include')
+
+    swig_files = ['gizmos.i']
+
+    swig_sources = run_swig(swig_files, location, '', PKGDIR,
+                            USE_SWIG, swig_force, swig_args, swig_deps)
+
+    gizmos_includes = includes[:]
+    gizmos_includes.append(GIZMOINC)
+
+
+    # make sure local copy of contrib files are up to date
+    if IN_CVS_TREE:
+        contrib_copy_tree(opj(CTRB_INC, 'gizmos'), opj(GIZMOINC, 'wx/gizmos'))
+        contrib_copy_tree(opj(CTRB_SRC, 'gizmos'), GIZMOLOC)
+
+    ext = Extension('gizmosc', [
+                                '%s/dynamicsash.cpp' % GIZMOLOC,
+                                '%s/editlbox.cpp' % GIZMOLOC,
+                                #'%s/multicell.cpp' % GIZMOLOC,
+                                '%s/splittree.cpp' % GIZMOLOC,
+                                '%s/ledctrl.cpp'   % GIZMOLOC,
+                             ] + swig_sources,
+
+                    include_dirs =  gizmos_includes,
+                    define_macros = defines,
+
+                    library_dirs = libdirs,
+                    libraries = libs,
+
+                    extra_compile_args = cflags,
+                    extra_link_args = lflags,
+                    )
+
+    wxpExtensions.append(ext)
+
+
+
+#----------------------------------------------------------------------
+# Define the DLLWIDGET  extension module