Portage preserve-libs removes the linker name (.so) of a library but leaves
the soname (.so.4) and realname (.so.4.0) installed.  findLib searches for 
mywxlibname.* and returns true if anything is found.  Disaster ensues.


--- a/wxPython/config.py
+++ b/wxPython/config.py
@@ -612,7 +612,7 @@ def findLib(name, libdirs):
         dirs = libdirs[:]
     for d in dirs:
         p = os.path.join(d, name)
-        if glob.glob(p+'*') != []:
+        if glob.glob(p+'*.so') != []:
             return True
     return False