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-rw-r--r--src/engine/SCons/PathList.py10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/engine/SCons/PathList.py b/src/engine/SCons/PathList.py
index 870c195..f3de57c 100644
--- a/src/engine/SCons/PathList.py
+++ b/src/engine/SCons/PathList.py
@@ -131,12 +131,14 @@ class _PathList(object):
value = env.subst(value, target=target, source=source,
conv=node_conv)
if SCons.Util.is_Sequence(value):
- result.extend(value)
- continue
-
+ result.extend(SCons.Util.flatten(value))
+ elif value:
+ result.append(value)
elif type == TYPE_OBJECT:
value = node_conv(value)
- if value:
+ if value:
+ result.append(value)
+ elif value:
result.append(value)
return tuple(result)