$OpenBSD: patch-wxpython_cpp,v 1.1.1.1 2013/04/04 14:15:23 bcallah Exp $

We need to load libutil before libpython to prevent
/usr/local/lib/libpythonX.Y.so.X.Y: undefined symbol 'forkpty'
/usr/local/lib/libpythonX.Y.so.X.Y: undefined symbol 'openpty'

--- wxpython.cpp.orig	Tue Jun 12 20:04:44 2012
+++ wxpython.cpp	Thu Feb 21 21:17:47 2013
@@ -257,6 +257,8 @@ static void GetPythonExceptions()
    Py_XDECREF(exmod);
 }
 
+// handle for libutil
+static wxDllType libutildll = NULL;
 // handle for Python lib
 static wxDllType pythondll = NULL;
 
@@ -266,15 +268,37 @@ static void FreePythonLib()
       wxDynamicLibrary::Unload(pythondll);
       pythondll = NULL;
    }
+
+   if ( libutildll ) {
+      wxDynamicLibrary::Unload(libutildll);
+      libutildll = NULL;
+   }
 }
 
 static bool LoadPythonLib()
 {
+   // load libutil
+   wxDynamicLibrary dynlibUtil;
    // load the Python library
    wxDynamicLibrary dynlib;
 
    // don't log errors in here
    wxLogNull noLog;
+
+   // Load libutil first, needed for openpty() and forkpty() symbols
+   if ( !dynlibUtil.Load(wxT("libutil.so"), wxDL_NOW | wxDL_VERBATIM | wxDL_GLOBAL) ) {
+      return false;
+   }
+
+   if ( dynlibUtil.IsLoaded() ) {
+      libutildll = dynlibUtil.Detach();
+   }
+
+   if ( libutildll == NULL ) {
+      // should never happen
+      Warning(_("Oh dear, libutil is not loaded!"));
+      return false;
+   }
 
    // wxDL_GLOBAL corresponds to RTLD_GLOBAL on Linux (ignored on Windows) and
    // is needed to avoid an ImportError when importing some modules (eg. time)