1 files changed, 5 insertions, 2 deletions
diff --git a/scons/generic.py b/scons/generic.py
index 764b626e588..03563e4c620 100644
--- a/scons/generic.py
+++ b/scons/generic.py
@@ -331,9 +331,12 @@ def generate(env):
             #'UNICODE',
             # http://msdn2.microsoft.com/en-us/library/6dwk3a1z.aspx,
             #'WIN32_LEAN_AND_MEAN',
-            'VC_EXTRALEAN',
-            '_CRT_SECURE_NO_DEPRECATE',
         ]
+        if msvc:
+            cppdefines += [
+                'VC_EXTRALEAN',
+                '_CRT_SECURE_NO_DEPRECATE',
+            ]
         if debug:
             cppdefines += ['_DEBUG']
     if platform == 'winddk':