diff options
Diffstat (limited to 'SCons/Subst.py')
-rw-r--r-- | SCons/Subst.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/SCons/Subst.py b/SCons/Subst.py index 29698d5..fbb89b3 100644 --- a/SCons/Subst.py +++ b/SCons/Subst.py @@ -591,12 +591,13 @@ class ListSubber(collections.UserList): self.substitute(a, lvars, 1) self.next_word() elif callable(s): - try: + if (s and + set(signature(s).parameters.keys()) == set(['target', 'source', 'env', 'for_signature'])): s = s(target=lvars['TARGETS'], source=lvars['SOURCES'], env=self.env, for_signature=(self.mode != SUBST_CMD)) - except TypeError: + else: # This probably indicates that it's a callable # object that doesn't match our calling arguments # (like an Action). |