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-rw-r--r--src/engine/SCons/Action.py2
-rw-r--r--src/engine/SCons/ActionTests.py3
2 files changed, 4 insertions, 1 deletions
diff --git a/src/engine/SCons/Action.py b/src/engine/SCons/Action.py
index 16866b6..1c746be 100644
--- a/src/engine/SCons/Action.py
+++ b/src/engine/SCons/Action.py
@@ -337,7 +337,7 @@ def _do_create_keywords(args, kw):
'You must either pass a string or a callback which '
'accepts (target, source, env) as parameters.')
if len(args) > 1:
- kw['varlist'] = args[1:] + kw['varlist']
+ kw['varlist'] = tuple(SCons.Util.flatten(args[1:])) + kw['varlist']
if kw.get('strfunction', _null) is not _null \
and kw.get('cmdstr', _null) is not _null:
raise SCons.Errors.UserError(
diff --git a/src/engine/SCons/ActionTests.py b/src/engine/SCons/ActionTests.py
index 809e5ce..b46347d 100644
--- a/src/engine/SCons/ActionTests.py
+++ b/src/engine/SCons/ActionTests.py
@@ -211,6 +211,9 @@ def test_varlist(pos_call, str_call, cmd, cmdstrfunc, **kw):
a = call_action((cmd, cmdstrfunc, 'a', 'b', 'c'))
assert a.varlist == ('a', 'b', 'c'), a.varlist
+ a = call_action((cmd, cmdstrfunc, ['a', 'b', 'c']))
+ assert a.varlist == ('a', 'b', 'c'), a.varlist
+
kw['varlist'] = 'foo'
a = call_action((cmd, cmdstrfunc))
assert a.varlist == ('foo',), a.varlist