Index: libcfa/src/containers/array.hfa
===================================================================
--- libcfa/src/containers/array.hfa	(revision d1abc63c48f98806d5c9e03885a976c82352ee4e)
+++ libcfa/src/containers/array.hfa	(revision 058ece2989c03ebfdae409579c414e8364c40ead)
@@ -175,5 +175,5 @@
 
 // Wrapper
-struct all_t {} all;
+extern struct all_t {} all;
 forall( [N], S & | sized(S), Te &, result &, Tbase & | { tag(result) enq_( tag(Tbase), tag(N), tag(S), tag(Te) ); } )
 static inline result & ?[?]( arpk(N, S, Te, Tbase) & this, all_t ) {