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-rw-r--r--src/engine/SCons/Environment.py8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/engine/SCons/Environment.py b/src/engine/SCons/Environment.py
index ce8e374..3834636 100644
--- a/src/engine/SCons/Environment.py
+++ b/src/engine/SCons/Environment.py
@@ -747,8 +747,10 @@ class Base(SubstitutionEnvironment):
else:
dk = self._dict[key]
if SCons.Util.is_List(dk):
+ # By elimination, val is not a list. Since dk is a
+ # list, wrap val in a list first.
if not val in dk:
- self._dict[key] = dk + val
+ self._dict[key] = dk + [val]
else:
self._dict[key] = self._dict[key] + val
self.scanner_map_delete(kw)
@@ -1044,8 +1046,10 @@ class Base(SubstitutionEnvironment):
else:
dk = self._dict[key]
if SCons.Util.is_List(dk):
+ # By elimination, val is not a list. Since dk is a
+ # list, wrap val in a list first.
if not val in dk:
- self._dict[key] = val + dk
+ self._dict[key] = [val] + dk
else:
self._dict[key] = val + dk
self.scanner_map_delete(kw)