add '#define DD 0' support.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1553 bbd45198-f89e-11dd-88c7-29a3b14d5316

1 files changed, 5 insertions, 3 deletions

diff --git a/tools/building.py b/tools/building.py
index 88cdf7dc32..58eebb0cab 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -502,15 +502,17 @@ def PrepareBuilding(env, root_directory, has_libcpu=False):
 def GetDepend(depend):

     building = True

     if type(depend) == type('str'):

-        if not BuildOptions.has_key(depend):

+        if not BuildOptions.has_key(depend) or BuildOptions[depend] == 0:

             building = False

-

+        elif BuildOptions[depend] != '':

+            return BuildOptions[depend]

+          

         return building

 

     # for list type depend

     for item in depend:

         if item != '':

-            if not BuildOptions.has_key(item):

+            if not BuildOptions.has_key(item) or BuildOptions[item] == 0:

                 building = False

 

     return building