allow '=' inside a value on command line.

return error code from calling makefiles in lower 8 bits so any
Makefile calling build.py will correctly interpret fatal build
errors.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6189 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/wxPython/distrib/build.py

@@ -189,7 +189,7 @@ def main(args):
             print "Running:", cmd
             err = os.system(cmd)
 
-    return err
+    return err/256
 
 
 #----------------------------------------------------------------------------
@@ -463,7 +463,7 @@ class BuildConfig:
             for st in args:
                 pair = string.split(st, '=')
                 name = pair[0]
-                value = pair[1]
+                value = string.join(pair[1:], '=')
                 self.__dict__[name] = value
         except:
             print "Error parsing command-line: %s" % st