diff -r ae56145f4282 Lib/ctypes/util.py
--- a/Lib/ctypes/util.py	Tue Jan 04 19:47:17 2011 +0100
+++ b/Lib/ctypes/util.py	Sun Feb 20 17:02:22 2011 +0100
@@ -220,17 +220,17 @@
             abi_type = mach_map.get(machine, 'libc6')
 
             # XXX assuming GLIBC's ldconfig (with option -p)
-            expr = r'(\S+)\s+\((%s(?:, OS ABI:[^\)]*)?)\)[^/]*(/[^\(\)\s]*lib%s\.[^\(\)\s]*)' \
-                   % (abi_type, re.escape(name))
-            f = os.popen('/sbin/ldconfig -p 2>/dev/null')
+            name = 'lib%s' % name
+            f = os.popen('/sbin/ldconfig -p 2>/dev/null | grep %s\\\\.' % name)
             try:
                 data = f.read()
             finally:
                 f.close()
-            res = re.search(expr, data)
-            if not res:
-                return None
-            return res.group(1)
+            for line in data.split('\n'):
+                path = line.rsplit('=>', 1)[1]
+                res = re.search('\s*(/[^\(\)\s]*%s\.[^\(\)\s]*)' % name, path)
+                if res:
+                    return res.group(1)
 
         def find_library(name):
             return _findSoname_ldconfig(name) or _get_soname(_findLib_gcc(name))