MacOSX: fix rather dumb buglet that made it impossible to create extensions on

OSX 10.3 when using a binary distribution build on 10.4.

Lib/distutils/sysconfig.py

@@ -512,7 +512,7 @@ def get_config_vars(*args):
                 for key in ('LDFLAGS', 'BASECFLAGS'):
                     flags = _config_vars[key]
                     flags = re.sub('-arch\s+\w+\s', ' ', flags)
-                    flags = re.sub('-isysroot [^ \t]* ', ' ', flags)
+                    flags = re.sub('-isysroot [^ \t]*', ' ', flags)
                     _config_vars[key] = flags
 
     if args:

Lib/distutils/unixccompiler.py

@@ -78,7 +78,7 @@ def _darwin_compiler_fixup(compiler_so, cc_args):
         try:
             index = compiler_so.index('-isysroot')
             # Strip this argument and the next one:
-            del compiler_so[index:index+1]
+            del compiler_so[index:index+2]
         except ValueError:
             pass