--- bksys/generic.py.old	2006-10-14 22:04:18.000000000 +0200
+++ bksys/generic.py	2009-03-23 22:12:12.000000000 +0100
@@ -244,7 +244,8 @@
 			ret=self.env.Program(self.p_localtarget, self.p_localsource)
 			if not self.env.has_key('NOAUTOINSTALL'):
 				ins=self.env.bksys_install(self.instdir, ret)
-				if self.perms: self.env.AddPostAction(ins, self.env.Chmod(ins, self.perms))
+				if ins and self.perms:
+				    for i in ins: self.env.AddPostAction(ins, self.env.Chmod(str(i), self.perms))
 		elif self.type=='staticlib':
 			ret=self.env.StaticLibrary(self.p_localtarget, self.p_localsource)